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Sun Enterprise 420R Server Service Manual

1. J4105 J4108 J4107 Serial port A a J2805 left J2902 se pal 02004 J4106 Serial port B o Bank 3 UT404 right J2903 530011 U1403 iz Banki 702 J4112 scsi J3002 Bank2 07307 left J2201 DER Bank 0 UT302 Parallel port J2802 U1301 right J2702 2802 1501 J1601 OO E 88 ine CPU module J0401 eo g OO EE Keyboardimouse F KE EG storz CPU module J0301 83 ae CPU Rear Slot 1 CPU module J0201 PET Front RJ 45 TPE P J2401 eae CPU module J0101 5 318 oji 7 PCI 4 J4701 PCI 3 J2001 PCI 2 J1901 PCI 66 1 J1801 LR Appendix 259 260 Sun Enterprise 420R Server Service Manual October 1999 APPENDIX D Illustrated Parts Breakdown This appendix consists of a sequence of illustrations that show how the various pieces of the system fit together Part numbers are also provided 261 Part Numbers The follow
2. Slot 3 install 3rd Slot 2 install 1st Slot 1 install 2nd Slot 0 install 4th 2 Remove the CPU filler panel if you are adding a new CPU module Pull the CPU filler panel straight up from the CPU card cage assembly 3 Align the edges of the CPU module board with card guides in the CPU card cage 4 Verify that the two ejection levers are open Chapter 69 5 Slide the CPU module evenly into the grooves in the CPU card cage Push down until the CPU module meets the connector at the back of the CPU card cage A Y 6 Engage the notch in each lever with its side of the CPU card cage 70 Sun Enterprise 420R Server Service Manual October 1999 7 Simultaneously push both levers toward the center of the CPU module until the CPU module seats in its connector What Next Complete this task to reassemble the system a How to Replace the System Cover on page 16 When you are ready to restart the system be sure to run OpenBoot Diagnostics tests to verify that the system functions correctly with the new parts you have just installed For additional information see a How to Use OpenBoot Diagnostics OBDiag on page 169 Chapter 71 72 How to Remove the NVRAM TOD Module Before You Begin Complete
3. UPA_AD2 BANK_SEL_ cpt i UPA_AD3 Aide asc Memory address control CPU ASIC modules DD a 0 and 1 Control SPRSAPI CPU modules U2P 2 and 3 ASIC 144 UPA_DATAO BERE DATE 144 Memory UPA UPAE DAT XB9 Memory me graphics 4 ASIC data CBT 287 slots 1 2 64 gt Ntwk Memory 4 data Ly UPA_D_DAT 287 a a asc BANK_SE ASIC e Clock control SCSI bus 33 MHz 32 or 64 bit PCI bus SCSI controller SCSI bus 5 a T PCI Pcio 8 EBus2 5 Slot 4 ASIC En oO T PCI S slot 3 X PHY PCI slot 2 ASIC NVRAM TOD 10 100 gt XCVR PCI Ethernet Serial 66 1 Ports Memory RISC ASIC Keyboard mouse parallel port External Internal 1 Mbyte Flash PROM Appendix 231 UPA The UltraSPARC port architecture UPA provides a packet based interconnect between the UPA clients CPU modules U2P ASIC and UPA graphics cards Electrical interconnection is provided through four address buses and four data buses Bus Name Bus Designation Bus Type Function UPA address bus 0 UPA_ADO Address Connects the OSC ASIC to the CPU modules and the U2P ASIC UPA address bus 1 UPA_AD1 Address Connects the QSC ASIC to the CPU modu
4. U1304 U1303 U1302 U1301 CPU module J0101 Sun Enterprise 420R Server Service Manual October 1999 Main logic board Front BANK 3 U0403 U0404 BANK 2 U0401 U0402 BANK 1 U0303 U0304 BANK 0 U0301 U0302 Chapter 211 212 Sun Enterprise 420R Server Service Manual October 1999 APPENDIX A Connector Signal Descriptions This appendix describes the Sun Enterprise 420R system main logic board connector signals and pin assignments accessible from the back panel Topics covered in this appendix include Reference for the Keyboard Mouse Connector on page 214 Reference for the Serial Port A and B Connectors on page 215 Reference for the Twisted Pair Ethernet TPE Connector on page 217 Reference for the UltraSCSI Connector on page 219 Reference for the Parallel Port Connector on page 223 213 214 Reference for the Keyboard Mouse Connector Keyboard Mouse Connector Diagram The keyboard mouse connector J2701 is a DIN 8 type connector located on the main logic board back panel Keyboard Mouse Connector Signals
5. 0 0000 0000 0000 0000 00000000 0000000 000 1470000 0000 0000 0000 00 00 00000 000 0000 00000 2000 0000 0000 00 00 0000 00000000 0000000 000 moy 2 Connect the terminal s power cable to an AC outlet 3 Set the terminal to receive m At 9600 baud m An 8 bit signal with no parity and 1 stop bit See the documentation accompanying your terminal for more information What Next You can now issue system commands from the terminal keyboard and view system messages Continue with your service or diagnostic procedure as needed Chapter 25 How to Configure a Local Graphics Console Before You Begin If your server is configured without a local graphics console you need to install one in order to install the system and to run diagnostic tests For background information see About Communicating With the Server on page 23 Alternatively you can attach an alphanumeric ASCII terminal to the system s serial port see How to Attach an Alphanumeric Terminal on page 24 To install a local graphics console you must have A supported PCI based graphics card A monitor with appropriate resolution A Sun compatible keyboard A Sun compatible mouse and mouse pad What to Do 1 Install the graphics card in a vacant PCI slot Note Installation must be performed by a qualified Sun service provider For further information see How to I
6. How to Remove the Air Guide Before You Begin Complete these tasks How to Power Off the System on page 2 How to Position the System for Service on page 8 How to Remove the System Cover on page 14 How to Avoid Electrostatic Discharge on page 18 What to Do O Gently pull the air guide up from the CPU card cage assembly The air guide is attached to tabs on the top of the CPU card cage assembly Chapter 77 What Next To replace the air guide complete this task a How to Replace the Air Guide on page 79 78 Sun Enterprise 420R Server Service Manual October 1999 How to Replace the Air Guide Before You Begin Complete this task a How to Avoid Electrostatic Discharge on page 18 What to Do 1 Position the air guide on the CPU card cage assembly 2 Gently press the air guide onto the CPU card cage assembly tab Guide the air guide tab on the bottom of the air guide into the notch on the main logic board Chapter 79 What Next Complete the following task to reassemble the system a How to Replace the System Cover on page 16 80 Sun Enterprise 420R Server Service Manual October 1999 How to Remove the CPU Card Cage Assembly Before You Begin Complete these tasks How to Power Off the System on page 2 How to Position the System for Service on page 8 How to Remove the System Cover on page 14 How to Avoid Electrosta
7. When the ok prompt is displayed enter the following command ok boot r This command rebuilds the device trees for the system incorporating any newly installed options After a device has been added to a device tree it can be recognized by the system After the reconfiguration reboot has successfully completed the system prompt will be displayed Caution Never move the system when system power is on Movement can cause catastrophic disk drive failure Always power off the system before moving it What Next The system s front panel LED indicators provide power on status information For information about the system LEDs see m System LED Indicators on page 22 Chapter 7 How to Position the System for Service This procedure describes placing the system in position for service by sliding it out of the rack enclosure without removing it from the rack All service procedures except removing and replacing the main logic board can be performed while the system is still attached to the rack enclosure Note Sliding the system out of the rack is not required for servicing disk drives and power supplies Before You Begin tip legs and adjust their stabilizing feet to the floor You must level and secure the n Caution Unless the rack is bolted to the floor you must extend the cabinet s anti cabinet to provide a safe working environment What to Do 1 Extend and adjust the cabinet s
8. Chapter 93 2 Set the main logic board jumpers J2804 and J2805 Using long nose pliers place a shunt over the appropriate pins according to the following table A shunt on pins 1 and A shunt on pins 2 and The default shunt is on Serial port jumper 2 selects 3 selects pins J2804 RS 232D RS 432 2 and 3 J2805 RS 232D RS 432 2 and 3 What Next Complete the following task to reassemble the system a How to Replace the System Cover on page 16 94 Sun Enterprise 420R Server Service Manual October 1999 How to Set the Flash PROM Jumpers The system uses flash PROMs to permit the reprogramming of specific code blocks that are held in non volatile system memory and to permit remote reprogramming of that code by an authorized system administrator over a local area network When you reprogram NVRAM it stores the old program in the high half of NVRAM as a backup copy in case something goes wrong in the new program The jumper switches enable you to select which half of NVRAM you want to boot from the low half or normal default or the high half This means that you can set the jumpers to select either high half booting or low half booting Before You Begin Complete these tasks How to Power Off the System on page 2 How to Position the System for Service on page 8 How to Remove the System Cover on page 14 How to Avoid Electrostatic Discharge on page 18 What to Do Lo
9. About the Status and Control Panel The status and control panel includes two LED indicators and a three position security keyswitch Qe Sun ENTERPRISE 420R a microsystems OL UNA DADA DADA DABA AD OOO ed OSOS OSOS OSORIO OSOS ISOSOSOS 000500060006 0006000500060005 000 08080808 9 0838 O Aae E EEEREN EENET OS EEANN E ENSS 06060605050506060606 0060605050 50605050505050 Power button Keyswitch On Off position DEN ES NS BB2BQ525S583282528 25859326 Ooo Oreo oo one Keyswitch Keyswitch Locked position Keyswitch Standby position 20 Sun Enterprise 420R Server Service Manual October 1999 Keyswitch Settings The front panel keyswitch controls the power on modes of the system The following table describes the function of each switch setting Keyswitch Position Icon Power On Off Locked Standby Description This setting enables the system s Power button to turn the system power on or power off If the system has power holding the Power button down for five seconds while the keyswitch is in this position will cause an immediate hardware power off If Solaris is running quickly pressing and releasing the power button initiates a softwar
10. How to Replace the Memory Riser Assembly on page 43 How to Replace the DC to DC Converter on page 56 How to Install a PCI Card on page 61 How to Replace the System Cover on page 16 When you are ready to restart the system be sure to run OpenBoot Diagnostics tests to verify that the system functions correctly with the parts you have just installed For additional information see a How to Use OpenBoot Diagnostics OBDiag on page 169 You may also have to perform a reconfiguration boot so that your system is able to recognize any new parts For additional information see a How to Initiate a Reconfiguration Boot on page 6 Chapter 91 How to Set the Serial Port Jumpers The serial port jumpers on the main logic board J2804 and J2805 permit the configuration of the system s two serial ports for either E A 432 or EIA 232D signal levels EIA 432 levels are the default standard for North American users EIA 232D levels are required for digital telecomunication in nations of the European Economic Community For further information see your Sun Enterprise 420R Server Owner s Guide Before You Begin Complete these tasks How to Power Off the System on page 2 How to Position the System for Service on page 8 n a a How to Remove the System Cover on page 14 a How to Avoid Electrostatic Discharge on page 18 92 Sun Enterprise 420R Server Service Manual October 199
11. Older PCI cards operate at 5 VDC while newer cards are designed to operate at 3 3 VDC Cards that require 5 volts will not operate in 3 3 volt slots and 3 3 volt cards will not operate in 5 volt slots Universal PCI cards are designed to operate on either 3 3 volts or 5 volts so these cards can be inserted into either type of slot The system provides three slots for 5 volt cards and one slot for a 3 3 volt card All four PCI slots accept universal cards Most PCI cards operate at clock speeds of 33 MHz while some newer cards operate at 66 MHz All four PCI slots can accept 33 MHz cards 66 MHz cards are restricted to the slot labelled PCI 1 The following table lists the mapping of the PCI slots to the two PCI buses and the type of PCI cards supported in each slot Slot Width Bits Clock Rates DC Voltage VDC Connector Label Jack No PCI Bus Card Type Bits MHz Card Type PCI 1 J1801 1 64 32 or 64 66 3 64 bit PCI 2 J2001 0 64 32 or 64 33 5 universal PCI 3 J1901 0 64 32 or 64 33 5 universal PCI 4 J4701 0 32 32 33 5 32 bit U2P ASIC The UPT to PCI bridge U2P ASIC controls the PCI buses It forms the bridge from the UPA bus to the PCI buses For a brief description of the U2P ASIC see U2P on page 255 SCSI Controller The SCSI controller provides electrical connection between the main logic board and the internal and external SCSI buses to the PCI bus The Symbios controller is a dual SCSI bus controller
12. How to Remove a Disk Drive on page 98 How to Power Off the System on page 2 How to Position the System for Service on page 8 How to Remove the System Cover on page 14 How to Avoid Electrostatic Discharge on page 18 Note You must remove all disk drives from the disk cage assembly Be sure to note the disk slot number associated with each drive Later when you reinstall the disk drives it is important to return each drive to its original location Sun Enterprise 420R Server Service Manual October 1999 What to Do 1 Disconnect the I O power cable from the UltraSCSI backplane at connector J0101 See Step 4 for the location of the UltraSCSI backplane in the system J0101 J0102 2 Disconnect the UltraSCSI data cable from the UltraSCSI backplane at connector J0102 Press the levers on the sides of the backplane connector 3 Disconnect the removable media SCSI cable from the UltraSCSI backplane at connector J0302 Chapter 117 4 Remove the two Phillips screws that secure the UltraSCSI backplane to the chassis N ANANN Sees SIAN ER SAO E SS SOS bi Se 3 5 Remove the backplane from the chassis Place the backplane on an antistatic mat What Next To replace the UltraSCSI backplane complete this task m How to Replace the UltraSCSI Backplane on page 119 118 Sun Enterprise 420R Server Service Manual October 1999 How to Replace the UltraS
13. xi Caution The power switch of this product functions as a standby type device only The power cord serves as the primary disconnect device for the system Be sure to plug the power cord into a grounded power outlet that is nearby the system and is readily accessible Do not connect the power cord when the power supply has been removed from the system chassis Sun Enterprise 420R Server Service Manual October 1999 Lithium Battery A Caution On Sun CPU boards there is a lithium battery molded into the real time clock SGS No MK48T59Y MK48TXXB XX MK48T18 XXXPCZ M48T59W XXXPCZ or MK48T08 Batteries are not customer replaceable parts They may explode if mishandled Do not dispose of the battery in fire Do not disassemble it or attempt to recharge it Battery Pack A Caution There is a sealed lead acid battery in Product Name units Portable Energy Products No TLC02V50 There is danger of explosion if the battery pack is mishandled or incorrectly replaced Replace only with the same type of Sun Microsystems battery pack Do not disassemble it or attempt to recharge it outside the system Do not dispose of the battery in fire Dispose of the battery properly in accordance with local regulations System Unit Cover A Caution Do not operate Sun products without the top cover in place Failure to take this precaution may result in personal injury and system damage Laser Complian
14. Bank U Number Main Logic Board U Number Riser Card 0 U1301 and U1302 U0301 and U0302 2 U1303 and U1304 U0303 and U0304 1 U1401 and U1402 U0401 and U0402 3 U1403 and U1404 U0403 and U0404 Interleaving Whenever banks 0 and 1 are populated with identical capacity DIMMs memory reads and writes are automatically interleaved between the two banks This is called two way interleaving Two way interleaving significantly reduces the average memory latency thus improving overall system performance When all four banks contain identical capacity DIMMs the system interleaves across all four banks called four way interleaving to further reduce average memory latency The system can operate with memory DIMMs of different capacities in different banks for example four 64 Mbyte DIMMs in bank 0 and four 128 Mbyte DIMMs in bank 1 but for improved performance populate all banks with DIMMs of identical capacity For maximum performance install identical capacity DIMMs in all four memory banks The following table lists how to best populate the memory banks when configuring the system for 512 Mbytes of memory The following tables list memory addressing with various interleaving configuration scenarios Sun Enterprise 420R Server Service Manual October 1999 The following table lists memory addressing with no interleaving DIMM Size Quantity 16 Mbyte 4 16 Mbyte 4 16 Mbyte 4 16 Mbyte 4 32 Mbyte 4 32 Mbyte 4 32 Mbyte 4 32 Mbyte 4
15. keymap data not available ttyb rts dtr of fals ttyb ignore cd t ru ttya rts dtr of fals ttya ignore cd t ru ttyb mode 9600 8 n 1 ttya mode 9600 8 n 1 pcia probe list 1 pcib probe list 1 3 2 4 5 enclosure type 540 4115 banner name Sun Enterprise 420R energystar enabled fals mfg mode off diag level min power cycles 35 system board serial 5014450071228 system board date 371c1bc9 fcode debug fals output device screen input device keyboard load base 16384 boot command boot auto boot true watchdog reboot fals diag file data not available diag device net boot file data not available boot device disk net local mac address fals ansi terminal true screen columns 80 screen rows 34 silent mode fals use nvramrc false Chapter 197 198 nvramrc data not available security mode non security password data not available security badlogins 0 oem logo data not available oem logo fals oem banner data not available oem banner fals hardware revision data not available last hardware update data not available diag switch true Caution If the NVRAM is a new part you must reset the values of the following OpenBoot PROM configuration variables banner name Sun Enterprise 420R enclosure type 540 4115 and energystar enabled fals To set the values for the OpenBoot PROM configuration variables shown in the f
16. Before You Begin Complete these tasks How to Power Off the System on page 2 How to Position the System for Service on page 8 How to Remove the System Cover on page 14 How to Avoid Electrostatic Discharge on page 18 Chapter 141 What to Do 1 Loosen the two captive Phillips screws securing the fan tray assembly to the chassis SS S SS E SS RARES RDC D a SS gt SS 2 Lift the fan tray assembly out of the system chassis What Next To replace the fan tray assembly complete this task a How to Replace the Fan Tray Assembly on page 143 142 Sun Enterprise 420R Server Service Manual October 1999 How to Replace the Fan Tray Assembly Before You Begin Complete this task a How to Avoid Electrostatic Discharge on page 18 What to Do Position the fan tray approximately 2 inches 5 centimeters over its final location in the system chassis Route the UltraSCSI disk data cable flat under the tab on the side of the fan tray assembly Route the main power and keyswitch power button LED cables under the right notch on the fan tray assembly For information about cable locations see How to Connect the System Cables on page 130 Route the I O power and the control cables under the left notch on the fan tray assembly Chapter 143 5 Lower the fan tray into place in the system chassis Align the tabs on the fan tray assembly with the notches on
17. Caution DIMMs are made of electronic components that are extremely sensitive to static electricity Static electricity from your clothes or work environment can destroy the DIMM Always wear a grounding strap when you handle the modules and the memory riser assembly The two thumbscrews on the top of the memory riser assembly will be one of two types If they have standard Phillips head screw holes they are torque limiting thumbscrews You can tighten them with a Phillips 2 screwdriver If they have square shaped screw head holes you must tighten them with a torque indicator driver to ensure that they are not overtightened Caution Do not overtighten the thumbscrews on the memory riser Overtightening these screws can damage the main logic board What to Do Position the memory riser assembly on the main logic board connectors Caution The memory riser assembly connectors must be seated straight into the main logic board socket to avoid damaging the main logic board connection pins Chapter 43 2 Ease the memory riser assembly into the main logic board socket Using your thumbs apply pressure evenly along the top edge of the riser assembly 3 Using your fingers tighten the thumbscrews simultaneously on the memory riser assembly Caution Do not overtighten the thumbscrews on the memory riser Overtightening these screws can damage the main logic board 4 Finish tightening the thumbsc
18. F3 due ie Display this Menu VA suite Toggle script debug AEDS e Enable External Loopback Tests E See Disable External Loopback Tests Enter 0 11 tests 12 Quit 13 Menu gt Chapter 167 Configuration Variable The following table provides information about the OpenBoot PROM configuration variable stored in NVRAM This variable affects the operation of OBDiag Use the printenvs command to show current values and the setenv command to set or change a value Both commands are described in Software Commands on page 195 Variable Setting Description Default diag level off No tests are run at power up min Performs minimal testing of core functionality min max Runs exhaustive tests for all functions except external loopbacks External loopback tests are not available 168 Sun Enterprise 420R Server Service Manual October 1999 How to Use OpenBoot Diagnostics OBDiag When you turn on the system power OBDiag runs automatically if any of the following conditions apply m The diag switch OpenBoot PROM variable is set to true m You hold down the keyboard s Stop and D keys as you power on the system The systems s ok prompt will appear In the event of an automatic system reset POST diagnostics run under the following condition m The OpenBoot PROM variable diag switch is set to true You can also run OBDiag in an interactive mode and select which tests you want to perform The following procedu
19. FAILED UBTES RRORS TF 4 PEED T mouse_loopback 1 56 450 04 MHz ES 1 ESSAG EST E Error Timeout receiving a character floppy_test Sun Enterprise 420R Server Service Manual October 1999 SUBTEST floppy_id0_read_ test EST parallel _port_ test SUBTEST dma_read EST uarta test TEST uartb test BAUDRATE 1200 BAUDRATE 1800 BAUDRATE 240 BAUDRATE 480 BAUDRATE 960 BAUDRATE 192 BAUDRATE 38400 BAUDRATE 57600 BAUDRATE 76800 BAUDRATE 115200 BAUDRATE 153600 BAUDRATE 230400 BAUDRATE 307200 BAUDRATE 460800 d 0 2010 00 0 0 0 0 nvram_test SUBTEST write read_patterns B uN C EST audio_test UBTEST cs4231 test odec_ID 8a ersion_ID a0 UBTEST external_lpbk xternal Audio Test not run Pl OBDIAG_MFG_START EST audio_test STATUS FAILED SUBTEST external_lpbk ERRORS 1 TTF 468 S P AnGQGaANH PEED 450 04 MHz ASSES 1 TEST selftest Enter 0 12 tests 13 Quit 14 EST write read_inverted_patterns UART A in use a
20. October 1999 XB9 ASIC From QSC ASIC The following figure shows the memory system functional block diagram MEM_B_WR MEM_A_WR MEM_B_RD MEM_A_RD MEM_B_SEL MEM_A_SEL MEM_A_SEL MEM_B_SEL MEM_A_RD MEM_B_RD MEM_A_WR MEM_B_WR UPA_DATA0 lt 127 000 gt UPA_DATA1 lt 127 000 UPA_D_DAT lt 71 00 gt UPA_E_DAT lt 63 00 gt MEM_ADDR MEM_RASA2 L gt MEM_RASAO L gt MEM_CASR2_L Se mmcano y MEM_CASRO_L ASIC _CASRO_ MEM_WRR2_L MEM_WRRO_L Memory BANK SEL ri interface XB9 _CMD Memory module ceT _MEM DAT SW 2287 000 gt a MEM_DAT ASIC lt 575 000 gt CBT _MEM_DAT SW pon 287 000 gt Appendix 237 238 The following figure shows the memory module functional block diagram MEM_ADR_A WE_AL RASO_L CASO_L MEM_ADR_B WE_BL RAS2_L CAS2_L Bank 0 PRA A 7 r MEM_ADR_A U0301 WEA L D U0302 RAS1_L CASO_L MEM_DAT _ _ _ _ D fo tar ss sil L MEM_ADR_B EE WE BL RAS3L l gt l CAS2_L He MEM_DAT Sun Enterprise 420R Server Service Manual October 1999 MEM_DAT lt 287 000 gt MEM_DAT lt 287 000 gt The following figure shows DIMM mapping on the main logic board J4107 U1404 U1403 U1402 U1401 U1304 U1303
21. Remove the washers from the screws securing the decorative panel to the chassis flange The washers are on the captive screws that attach the system to the rack rails Chapter 151 b Pull the decorative panel off the chassis flange 152 Sun Enterprise 420R Server Service Manual October 1999 3 Unscrew the hinge from the chassis flange Use a Phillips 2 screwdriver What Next To replace a door complete this task a How to Replace a System Door on page 154 Chapter 153 How to Replace a System Door What to Do 1 Position the door hinge on the chassis flange The hinge goes on the front of the chassis flange 2 Replace the two hinge screws securing the hinge to the chassis flange Use a Phillips 2 screwdriver 3 Replace the decorative panel on the chassis flange a Press the decorative panel into place on the chassis flange 154 Sun Enterprise 420R Server Service Manual October 1999 b Replace the washers on the back of the decorative panel captive screws Tighten the washers on the screws until the decorative panel is secure on the flange 4 Close and lock the system doors What Next To reassemble the system complete this task a How to Slide the System Into the Rack on page 11 Chapter 155 156 Sun Enterprise 420R Server Service Manual October 1999 CHAPTER 6 Diagnostics and Troubl
22. Sun Enterprise 420R Server Service Manual October 1999 Caution Be sure that the AC power cord s has been disconnected from the system before continuing Attempting to remove the power distribution board while the AC power cord is plugged into a power source can result in serious personal injury 9 Remove the left when looking from the back of the system AC power connector assembly from the chassis Keep the cable attached to the connector assembly Use a Phillips 2 screwdriver to remove the screw Set the end of the cable aside in the back of the system so that the cable does not interfere with lifting the power distribution board out of the chassis Chapter 123 10 Remove the seven screws securing the power distribution board to the chassis RQ o o Coxe S S S 11 Adjust the cable connected to the center AC power connector assembly so that it does not interfere with lifting the power distribution board out of the chassis 12 Lift the power distribution board out from the chassis Place it on an antistatic mat What Next To replace the power distribution board complete this task a How to Replace the Power Distribution Board on page 125 124 Sun Enterprise 420R Server Service Manual October 1999 How to Replace the Power Distribution Board Before You Begin Complete this task a How to Avoid Electrostatic Discharge on page 18 Caution Be sure that the AC power c
23. die von den hier beschriebenen abweichen knnen gefhrliche Strahlungen zur Folge haben Warnung Die Verwendung von anderen Conformit aux normes de s curit Ce texte traite des mesures de s curit qu il convient de prendre pour l installation d un produit Sun Microsystems Mesures de s curit Pour votre protection veuillez prendre les pr cautions suivantes pendant l installation du mat riel m Suivre tous les avertissements et toutes les instructions inscrites sur le mat riel m V rifier que la tension et la fr quence de la source d alimentation lectrique correspondent la tension et la fr quence indiqu es sur l tiquette de classification de l appareil m Ne jamais introduire d objets quels qu ils soient dans une des ouvertures de l appareil Vous pourriez vous trouver en pr sence de hautes tensions dangereuses Tout objet conducteur introduit de la sorte pourrait produire un court circuit qui entra nerait des flammes des risques d lectrocution ou des d g ts mat riels Symboles Vous trouverez ci dessous la signification des diff rents symboles utilis s Attention risques de blessures corporelles et de d gats mat riels Veuillez suivre les instructions Attention surface a temp rature lev e Evitez le contact La temp rature des surfaces est lev e et leur contact peut provoquer des blessures corporelles Attention pr sence de tensions dang
24. optional equipment see Illustrated Parts Breakdown on page 261 The following tasks are covered in this chapter How to Remove a Disk Drive on page 98 How to Install a Disk Drive on page 100 How to Remove the Removable Media Assembly RMA on page 103 How to Replace the Removable Media Assembly RMA on page 107 How to Remove a CD ROM or Tape Drive on page 110 How to Install a CD ROM or Tape Drive on page 112 97 How to Remove a Disk Drive The system s disk hot plug feature lets you remove a disk drive without shutting down the operating system or turning off the system power For more information see your Sun Enterprise 420R Server Owner s Guide Before You Begin Complete this task a How to Avoid Electrostatic Discharge on page 18 Note If the system is set up without a local graphics console terminal or monitor you need to set up one of these options in order to issue software commands For more information see About Communicating With the Server on page 23 What to Do 1 Prepare the system for disk removal The hot plug removal procedure involves software commands for preparing the system prior to removing the disk drive See your Sun Enterprise 420R Server Owner s Guide 2 If you are not hot plugging the disk drive halt the operating system and turn off the system power See How to Power Off the System on page 2 3 Unlock the front
25. 4230 530 2824 250 1317 530 2827 530 2826 520 2823 530 2830 530 2822 530 2821 530 2824 Appendix 263 Sun Enterprise 420R Server Service Manual October 1999 264 Reference Number Part Part Number D oO FF Q N Main Logic Board and Components DC to DC Converter Fan Tray Assembly Power Distribution Board Power Distribution Board Cover UltraSCSI Backplane See next illustration 300 1407 540 4169 501 5506 Not a FRU 501 5505 Appendix 265 y Y Q V4 N 266 Sun Enterprise 420R Server Service Manual October 1999 Reference Number Part Part Number 1 2 3 4 5 6 Not Shown 7 Not Shown Main Logic Board CPU Card Cage Air Guide CPU Module Memory Riser Assembly NVRAM CPU Filler Panel 64 MB DIMM 256 MB DIMM 501 5168 Not a FRU Not a FRU 501 5539 501 5218 525 1430 330 2805 501 4280 501 4743 Appendix 267 Sun Enterprise 420R Server Service Manual October 1999 268 Reference Number Part Part Number 1 2 3 Not Shown Not Shown 4 5 6 7 8 9 10 System Cover Front Door Left 9 GB 10K RPM UltraSCSI Disk Drive 18 GB 10K RPM UltraSCSI Disk Drive 12 24 GB 4mm DDS3 Tape Drive Power Supply RMA Filler Panel Plastic RMA Bezel 32X CD ROM Drive RMA Cage Assembly Front Door Right Power Supply Filler Panel Not a FRU 540 4186 540 3881 540 4177 370 2376 300 1449 Not
26. 64 Mbyte 4 64 Mbyte 4 64 Mbyte 4 64 Mbyte 4 128 Mbyte 4 128 Mbyte 4 128 Mbyte 4 128 Mbyte 4 256 Mbyte 4 256 Mbyte 4 256 Mbyte 4 256 Mbyte 4 Memory Bank 0 1 RO Ww NF Wo NF WN nm N wo N Addressing 0 x 0000 0000 to 0 x O3ff ffc0 0 x 4000 0000 to 0 x 43ff ffc0 0 x 8000 0000 to 0 x 83ff ffc0 0 x c000 0000 to 0 x c ff ffc0 0 x 0000 0000 to 0 x 07ff ffc0 0 x 4000 0000 to 0 x 47ff ffc0 0 x 8000 0000 to 0 x 87ff ffc0 0 x c000 0000 to 0 x c7ff ffc0 0 x 0000 0000 to 0 x Offf ffc0 0 x 4000 0000 to 0 x 4fff ffc0 0 x 8000 0000 to 0 x 8fff ffc0 0 x c000 0000 to 0 x cfff ffc0 0 x 0000 0000 to 0 x 1fff ffc0 0 x 4000 0000 to 0 x 5fff ffc0 0 x 8000 0000 to 0 x 7fff ffc0 0 x c000 0000 to 0 x dfff ffc0 0 x 0000 0000 to 0 x 3fff ffc0 0 x 4000 0000 to 0 x 7fff ffc0 0 x 8000 0000 to 0 x bfff ffc0 0 x c000 0000 to 0 ffff ffc0 Appendix 241 The following table lists memory addressing for 2 way interleaving DIMM Size Quantity DIMM Bank Addressing 16 Mbyte 4 0 0 x 0000 0000 to 0 x 07ff ff80 16 Mbyte 4 1 0 x 0000 0040 to 0 x O7ff ffc0 32 Mbyte 4 0 0 x 0000 0000 to 0 x Offf ff80 32 Mbyte 4 1 0 x 0000 0040 to 0 x Offf ffc0 64 Mbyte 4 0 0 x 0000 0000 to 0 x 1fff ff80 64 Mbyte 4 1 0 x 0000 0040 to 0 x 1fff ffc0 128 Mbyte 4 0 0 x 0000 0000 to 0 x 3fff ff80 128 Mbyte 4 1 0 x 0000 0040 to 0 x 3fff ffc0 256 Mbyte 4 0 0 x 0000 0000 to 0 x 3fff ffff 256 Mbyte 4 1 0 x 0000 0040 to 0 x 7fff ffco The followin
27. 87 What Next To replace the main logic board complete this task m How to Replace the Main Logic Board on page 89 88 Sun Enterprise 420R Server Service Manual October 1999 a How to Replace the Main Logic Board Before You Begin All removable components should have been removed from the old main logic board prior to removing the board from the system You can transfer the components to the replacement board after it is installed in the system For more information see a How to Remove the Main Logic Board on page 85 Caution Use an antistatic mat when working with the main logic board An antistatic mat provides the cushioning required to protect the board to prevent the main logic board from flexing and to provide antistatic protection Caution Perform this procedure on a workbench Sun Microsystems does not support changing the main logic board while the system is installed in a rack Caution Do not attempt to install components on the main logic board while it is outside the system Doing so can damage the main logic board Be sure to complete the following task a How to Avoid Electrostatic Discharge on page 18 What to Do Remove the main logic board from its antistatic packaging and place it on an antistatic mat Caution Handle the main logic board by the back panel or edges only Set the jumper settings on the replacement main logic board so that they mat
28. Front U1302 U1301 CPU module J0101 The following figure shows DIMM mapping on the main logic board BANK 3 U0403 U0404 BANK 1 U0303 U0304 BANK 2 U0401 U0402 BANK 0 U0301 U0302 Appendix 239 240 DIMM Caution DIMMs are made of electronic components that are extremely sensitive to static electricity Static from your clothes or work environment can destroy the modules Do not remove any DIMM from its antistatic packaging until you are ready to install it on the main logic board Handle the modules only by their edges Do not touch the components or any metal parts Always wear a grounding strap when you handle the modules The DIMM is a 60 nanosecond fast page mode style DIMM Five DIMM configurations are possible in the system 16 32 64 128 and 256 Mbyte The minimum memory capacity is 64 Mbytes four 16 Mbyte DIMMs and the maximum memory capacity is 4 Gbytes sixteen 256 Mbyte DIMMs There are a total of four DIMM banks in the system The following table matches the DIMM bank to the DIMM U number
29. Gbyte per second UPA data is ECC protected Two physically separate PCI bus segments with full master and slave support 66 MHz PCI bus segment PCI bus A 3 3 VDC I O signaling 64 bit data bus compatible with the PCI 66 MHz extensions support for up to four master devices at 33 MHz only 33 MHz PCI bus segment PCI bus B 5 0 VDC I O signaling 64 bit data bus support for up to six master devices Two separate 16 entry streaming caches one for each bus segment for accelerating some kinds of PCI DVMA activity Single IOMMU with 16 entry TLB for mapping DVMA addresses for both buses IOMMU used to translate 32 bit or 64 bit PCI addresses into 41 bit UPA addresses A mondo vector dispatch unit for delivering interrupt requests to CPU modules including support for PCI interrupts from up to six slots as well as interrupts from on board I O devices RISC The reset interrupt scan and clock RISC ASIC implements four functions reset interrupt scan and clock Generation and stretching of the reset pulse is performed in this ASIC Interrupt logic concentrates 42 different interrupt sources into a 6 bit code which communicates with the U2P ASIC It also integrates a JTAG controller Highlights of the RISC ASIC features include Determines system clock frequency Controls reset generation Performs PCI bus and miscellaneous interrupt concentration for U2P Controls flash PROM programming frequency margining and lab c
30. Place the drive on an antistatic mat What Next To install the CD ROM or tape drive complete this task a How to Install a CD ROM or Tape Drive on page 112 Chapter 111 How to Install a CD ROM or Tape Drive Before You Begin Know the configuration guidelines for installing removable media devices For detailed information see your Sun Enterprise 420R Server Owner s Guide Complete these tasks a How to Power Off the System on page 2 a How to Position the System for Service on page 8 a How to Remove the System Cover on page 14 a How to Avoid Electrostatic Discharge on page 18 a How to Remove the Removable Media Assembly RMA on page 103 What to Do 1 If necessary remove the plastic filler panel from the removable media assembly plastic cover On the back side of the RMA cover push the filler panel retainer tabs inward to disengage the filler panel 2 If you are replacing a defective drive make sure that the jumper settings on the new drive match the settings on the old drive 112 Sun Enterprise 420R Server Service Manual October 1999 3 Slide the CD ROM or tape drive into its drive bay Align the two screw holes on each side of the drive with the corresponding holes in each side of the drive bay Screws 4 Insert and tighten the four flat head Phillips screws that secure the drive in its bay There are two screws on each side that secure the drive in the RM
31. Software SunVTS the Sun Validation and Test Suite is an online diagnostics tool and system exerciser for verifying the configuration and functionality of hardware controllers devices and platforms You can run SunVTS using any of these interfaces a command line interface a TTY interface or a graphical interface that runs within a windowed desktop environment SunVTS software lets you view and control a testing session over modem lines or over a network Using a remote system you can view the progress of a SunVTS testing session as well as change testing options and control all testing features of another system on the network Useful tests to run on your system are listed below SunVTS Test Description ecpptest Verifies the ECP1284 parallel port printer functionality cdtest Tests the CD ROM drive by reading the disc and verifying the CD table of contents TOC if it exists disktest Verifies local disk drives fputest Checks the floating point unit fstest Tests the integrity of the software s file systems m64test Tests the PGX frame buffer card mptest Verifies multiprocessor features for systems with more than one processor nettest Checks all the hardware associated with networking for example Ethernet token ring quad Ethernet fiber optic 100 Mbit per second Ethernet devices pmem Tests the physical memory read only sptest Tests the system s on board serial ports tapetest Tests the various Sun ta
32. The following figure shows a functional block diagram of the serial port i Serial port A ene DB 25 receiver EMI RS 232 423 select filter Serial port Controller Line driver Serial port B DB 25 Slew rate select EMI filter Line gt receiver Serial Port Components Serial port components include a serial port controller line drivers and receivers The serial port controller contains 64 byte buffers on both the input and output This enables the serial port to require less CPU bandwidth Interrupts are generated when the buffer reaches 32 bytes or half full The serial port controller contains its own crystal oscillator that supports rates of up to 921 6 Kbaud The line drivers and line receivers are compatible with both RS 232 and RS 423 Two system board jumpers are used to set the line drivers and line receivers to either RS 232 or RS 423 protocols The line driver slew rate is also programmable For baud rates over 100K the slew rate is set to 10 VDC wusec For baud rates under 100K the slew rate is set to 5 VDC wsec Serial Port Functions The serial port provides a variety of functions Modem connection to the serial port allows access to the internet Synchronous X 25 modems are used for telecommunications in Europe An ASCII text window is accessible through the serial port on non graphic systems Low speed printers button boxes for CAD Appendix 247 CAM applications and devices that function like
33. U U H C D 4uduuuvudwyuwn E n D ct oO a C C Keyboard The keyboard diagnostic consists of an external and an internal loopback The external loopback requires a passive loopback connector The internal loopback verifies the keyboard port by transmitting and receiving 128 characters The following example shows the keyboard diagnostic output message Enter 0 11 tests 12 Quit 13 Menu gt 3 TEST keyboard_test SUBTEST internal_loopback Enter 0 11 tests 12 Quit 13 Menu gt Chapter 175 Mouse The mouse diagnostic performs a keyboard to mouse loopback The following example shows the mouse diagnostic output message Enter 0 11 tests 12 Quit 13 Menu TEST mouse_test Enter 0 11 tests 12 Quit 13 Menu Parallel Port The parallel port diagnostic performs the following tests Test Function sio_passive_lb Sets up the Super I O configuration register to enable extended compatible parallel port select then does a write 0 walk one write 0 x ff to the data register It verifies the results by reading the status register dma_read Enables ECP mode and ECP DMA configuration and FIFO test mode Transfers 16 bytes of data from memory to the parallel port device and then verifies the data is in FIFO device The following example shows the parallel port diagnostic output m
34. at a nominal 5 VDC transistor transistor logic TTL levels The maximum open circuit voltage is 5 5 VDC and the minimum is 0 5 VDC A logic high level signal is at least 2 4 VDC at a source current of 0 32 mA and a logic low level signal is no more than 0 4 VDC at a sink current of 14 mA Receivers also operate at nominal 5 VDC TTL levels and can withstand peak voltage transients between 2 VDC and 7 VDC without damage or improper operation The high level threshold is less than or equal to 2 0 VDC and the low level threshold is at least 0 8 VDC Sink current is less than or equal to 0 32 mA at 2 0 VDC and source current is less than or equal to 12 mA at 0 8 VDC Serial Port The system incorporates two serial ports Each serial port is synchronous and asynchronous with full modem controls All serial port functions are controlled by a serial port controller that is electrically connected to the system through the EBus Line drivers and line receivers control the serial port signal levels and provide RS 232 and RS 423 compatibility Each serial port interfaces through its own DB 25 connector The major features of each serial port include a Two fully functional synchronous and asynchronous serial ports m DB 25 connectors m Increased baud rate speed to 384 Kbaud synchronous 460 8 Kbaud asynchronous m Variable edge rate for greater performance a EBus interface Sun Enterprise 420R Server Service Manual October 1999
35. correctly to probe scsi all a message similar to the one shown in the probe scsi output example on page 158 is printed out If the device responds and a message is displayed the system SCSI controller has successfully probed the device This indicates that the main logic board is operating correctly a If one drive does not respond to the SCSI controller probe but the others do replace the unresponsive drive b If only one internal disk drive is configured with the system and the probe scsi all test fails to show the device in the message replace the drive c If the problem is still evident after replacing the drive replace the main logic board d If replacing both the disk drive and the main logic board does not correct the problem replace the associated UltraSCSI data cable and UltraSCSI backplane 208 Sun Enterprise 420R Server Service Manual October 1999 SCSI Controller Failures To check whether the main logic board SCSI controllers are defective test the drive response to the probe scsi command To test additional SCSI host adapters added to the system use the probe scsi all command You can use the OBP printenv command to display the OpenBoot PROM configuration variables stored in the system NVRAM The display includes the current values for these variables as well as the default values See OBP printenv Command on page 200 for more information At the ok prompt type If a message is displayed for each
36. disk drives contain electronic 1 Disconnect the AC power cord from the wall power outlet only when performing the following procedures m Removing and replacing the power distribution board m Removing and replacing the main logic board a Removing and installing a power supply The AC power cord provides a discharge path for static electricity so it should remain plugged in except when you are servicing the parts noted above 2 Use an antistatic mat or similar surface When performing any service procedure place static sensitive parts such as boards cards and disk drives on an antistatic surface The following items can be used as an antistatic surface 18 Sun Enterprise 420R Server Service Manual October 1999 m The bag used to wrap a Sun replacement part The shipping container used to package a Sun replacement part m Sun electrostatic discharge ESD mat part number 250 1088 available through your Sun sales representatives m Disposable ESD mat shipped with replacement parts or options 3 Use an antistatic wrist strap Attach the appropriate end to the system chassis sheet metal and attach the other end of the strap to your wrist Refer to the instructions that come with the strap TE e Ce 4 Detach both ends of the strap after you have completed the installation or service procedure What Next To reassemble the system see a How to Replace the System Cover on page 16 Chapter 19
37. following rules and requirements EMC USA FCC Class A This device complies with Part 15 of the FCC Rules Operation is subject to the following two conditions 1 This device may not cause harmful interference 2 This device must accept any interference received including interference that may cause undesired operation European Union EC This equipment complies with the following requirements of the EMC Directive 89 336 EEC EN55022 CISPR22 1985 Class A Curtis Straus LLC Report No E990550 1 EN50082 1 IEC801 2 1991 8 kV Direct 15kV Air IEC801 3 1984 10 V m 80 AM at 1KHz IEC801 4 1988 4 0 kV Power Lines 1 kV Signal Lines IEC801 5 2 kV Power Lines L L L G 1 kV Signal Lines L G Shield G EN61000 3 2 1EC1000 3 2 1994 Pass Safety This equipment complies with the following requirements of the Low Voltage Directive 73 23 EEC EC Type Examination Certificates EN60950 TEC950 1993 TUV Rheinland Certificate No pending EN60950 w Nordic Deviations CB Scheme Certificate No pending Supplementary Information This product was tested and complies with all the requirements for the CE Mark when connected to a Sun workstation or server A DA LI eert Ate Po Es AL ol a e Burt Hemp June 30th 1999 John Shades June 30th 1999 Manager Power and Compliance Engineering Quality Assurance Manager Sun Microsystems Inc Sun Microsystems Scotland Limited One Network Drive UBURO3 213 Springfield Linlit
38. hub designs permanently enable or disable the link integrity test through a hardware jumper In this case refer to the hub installation or user manual for details of how the test is implemented Chapter 205 Determining the Device Name of the Ethernet Interface To enable or disable the link integrity test for the standard Ethernet interface or for a PCI based Ethernet interface you must first know the device name of the desired Ethernet interface To list the device name 1 Shut down the operating system and take the system to the ok prompt 2 Determine the device name for the desired Ethernet interface using one of the two solutions that follow Solution 1 Use this method while the operating system is running 1 Become superuser 2 Type eeprom nvramrc probe all install console banner apply disable link pulse device name Repeat for any additional device names eeprom use nvramrc true 3 Reboot the system when convenient to make the changes effective Solution 2 Use this alternative method when the system is already in OpenBoot 1 At the ok prompt type ok nvedit 0 probe all install console banner 1 apply disable link pulse device name Repeat this step for other device names as needed Press CONTROL C to exit nvedit ok nvstore ok setenv use nvramrc true 2 Reboot the system to make the changes effective 206 Sun Enterprise 420R Server Service Manu
39. keyswitch and power on off assemblies and cables to their positions in the front of the chassis 3 Replace the tab that secures the keyswitch assembly to its mounting bracket a Insert the tab on the side of the mounting bracket b Push the tab onto the keyswitch assembly until the tab is fully inserted over the keyswitch and the keyswitch is firmly secured in the mounting bracket 4 Position the Power button in the chassis 5 Replace the 3 16ths inch nut on the front of the Power button Chapter 149 6 Insert the plastic LED friction fit collars into their cutouts on the chassis 7 Insert the LEDs into their friction fit collars on the chassis The green LED goes in the top collar The yellow LED goes in the bottom collar 8 Connect the keyswitch power button LED cable to connector J0500 on the power distribution board See How to Connect the System Cables on page 130 What Next To reassemble the system complete these tasks a How to Replace the Removable Media Assembly RMA on page 107 a How to Replace the Fan Tray Assembly on page 143 150 Sun Enterprise 420R Server Service Manual October 1999 How to Remove a System Door Before You Begin Complete these tasks a How to Power Off the System on page 2 a How to Position the System for Service on page 8 What to Do 1 Unlock the system doors 2 Remove the decorative panel from the flange of the system chassis a
40. on page 167 The system also provides configuration variables that you can set to alter the operation of the OBDiag tests For information about the configuration variables see Configuration Variable on page 168 166 Sun Enterprise 420R Server Service Manual October 1999 OBDiag Menu The OBDiag menu is created dynamically whenever you invoke OBDiag in interactive mode Therefore the menu entries may vary from system to system depending on the system configuration OBDiag also determines whether any optional devices are installed in the system If the device has an on board self test OBDiag incorporates the test name into the list of menu entries It displays the menu entries in alphabetical order and numbers them accordingly Consequently the number and position of menu items may vary from system to system depending on the system configuration For example the Keyboard and Mouse test options are displayed only if your system includes a keyboard and mouse The OBDiag menu displays the core tests that exercise parts of the basic system These tests can be seen in the sample OBDiag menu displayed below For a description of each test see OBDiag Tests on page 171 OBDiag Menu Oo PCI Cheerio PR EBUS DMA TCR Registers DE Ethernet Das Keyboard A ouse A Parallel Port Oe esses Serial Port A De gites Serial Port B Bi Sie sas NVRAM Dre Audio MO 2 SCSI TI sise All Above 12 ste Quit
41. replaceable units and optional equipment see Illustrated Parts Breakdown on page 261 The following tasks are covered in this chapter How to Remove the Memory Riser Assembly on page 40 How to Replace the Memory Riser Assembly on page 43 How to Remove a Memory Module on page 46 How to Install a Memory Module on page 48 How to Remove the DC to DC Converter on page 54 How to Replace the DC to DC Converter on page 56 How to Remove a PCI Card on page 58 How to Install a PCI Card on page 61 How to Remove a CPU Module on page 65 How to Install a CPU Module on page 68 How to Remove the NVRAM TOD Module on page 72 How to Replace the NVRAM TOD Module on page 74 How to Remove the Air Guide on page 77 How to Replace the Air Guide on page 79 How to Remove the CPU Card Cage Assembly on page 81 How to Replace the CPU Card Cage Assembly on page 83 How to Remove the Main Logic Board on page 85 How to Replace the Main Logic Board on page 89 How to Set the Serial Port Jumpers on page 92 How to Set the Flash PROM Jumpers on page 95 39 40 How to Remove the Memory Riser Assembly Before You Begin Complete these tasks How to Power Off the System on page 2 How to Position the System for Service on page 8 How to Remove the System Cover on page 14 How to Avoid Electrostatic Discharge on p
42. the chassis Make sure that you keep the UltraSCSI data cable flat against the side of the fan tray assembly Note As you lower the fan tray assembly ensure that the cables remain properly routed under their notches on the fan tray assembly 6 Tighten the two captive Phillips screws securing the fan tray assembly to the chassis What Next To reassemble the system complete this task a How to Replace the System Cover on page 16 144 Sun Enterprise 420R Server Service Manual October 1999 How to Remove the Keyswitch Power Button LED Assembly and Cable Before You Begin Complete these tasks How to Power Off the System on page 2 How to Position the System for Service on page 8 How to Remove the System Cover on page 14 How to Avoid Electrostatic Discharge on page 18 How to Remove the Fan Tray Assembly on page 141 How to Remove the Removable Media Assembly RMA on page 103 What to Do Remove the tab holding the keyswitch assembly to its mounting bracket Hold the keyswitch assembly with one hand while pulling the tab off the assembly with a pair of pliers Chapter 145 2 Pull the keyswitch cable assembly from the back of the keyswitch assembly Gently twist the cable assembly back and forth while pulling it away from the keyswitch Power button LEDs 3 Remove the keyswitch from the chassis Pull the keyswitch forward from it
43. the following features to help you identify and isolate hardware problems m Error indications m Software commands m Diagnostic tools This section describes the error indications and software commands provided to help you troubleshoot your system Diagnostic tools are covered in About Diagnostic Tools on page 158 Error Indications The system provides error indications via LEDs and error messages Using the two in combination you can isolate a problem to a particular field replaceable unit FRU with a high degree of confidence The system provides fault LEDs in the following places m Front panel m Keyboard a Power supplies m Disk drives Error messages are logged in the var adm messages file and are also displayed on the system console by the diagnostic tools Front Panel LEDs Front panel LEDs provide your first indication if there is a problem with your system Usually a front panel LED is not the sole indication of a problem Error messages and even other LEDs can help to isolate the problem further The front panel has a general fault indicator that lights whenever POST or OBDiag detects any kind of fault including a fault reported by a power supply Chapter 189 Keyboard LEDs Four LEDs on the Sun Type 6 keyboard are used to indicate the progress and results of POST diagnostics These LEDs are on the Caps Lock Compose Scroll Lock and Num Lock keys as shown below Note A keyboard is not shi
44. these tasks a How to Power Off the System on page 2 a How to Position the System for Service on page 8 a How to Remove the System Cover on page 14 a How to Avoid Electrostatic Discharge on page 18 The non volatile random access memory time of day NVRAM TOD module contains the system host identification ID and Ethernet address You may be migrating a functioning NVRAM TOD module to a new main logic board in order to preserve host ID information However if you are replacing a defective NVRAM TOD module and want to retain the same host ID and Ethernet address consult your authorized Sun sales representative or service provider What to Do 1 Locate the NVRAM TOD module and its carrier on the main logic board Sun Enterprise 420R Server Service Manual October 1999 2 Grasp the NVRAM TOD carrier assembly at each end and pull straight up If necessary gently rock the NVRAM TOD from side to side to facilitate removal 3 Place the NVRAM TOD module and carrier on an antistatic mat What Next To replace the NVRAM TOD module complete this task a How to Replace the NVRAM TOD Module on page 74 Chapter 73 74 How to Replace the NVRAM TOD Module Before You Begin Complete this task a How to Avoid Electrostatic Discharge on page 18 Note If you are installing a new NVRAM TOD module the NVRAM TOD must be programmed by a Sun authorized service representative before your sys
45. to avoid flexing the card 3 Position the module so that the small notch on the bottom corner of the module is at the same end as the socket s ejection lever Installing a DIMM in the memory riser assembly Chapter 51 4 Align the module with its socket until it contacts the socket evenly along the socket s length Va LLLP Installing a DIMM in the main logic board 5 Press firmly down on both corners of the module until the bottom edge is firmly seated in the socket You will hear a clicking sound when the module is fully seated 6 Repeat Steps 3 through 5 for each module you want to install 52 Sun Enterprise 420R Server Service Manual October 1999 What Next Complete this task to reassemble the system a How to Replace the Memory Riser Assembly on page 43 When you are ready to restart the system be sure to run OpenBoot Diagnostics tests to verify that the system functions correctly with the new parts you have just installed For additional information see a How to Use OpenBoot Diagnostics OBDiag on page 169 Chapter 53 How to Remove the DC to DC Converter Before You Begin Complete these tasks a How to Power Off the System on page 2 a How to Position the System for Service on page 8 a How to Remove the System Cover on page 14 a How to Avoid Electrostatic Discharge on page 18 54 Sun Enterprise 420R Server Service Manual October 1999 Wha
46. with mask 0 x 280 U2P ASIC is accepting fast back to back transactions DEVSEL timing is 0 x 1 Performs tests a through e Performs walk one test on latency timer Performs walk one test on interrupt line Verifies that the interrupt pin is logic level high 1 after reset 172 Sun Enterprise 420R Server Service Manual October 1999 The following example shows the PCI Cheerio diagnostic output message Enter 0 11 tests 12 Quit 13 Menu gt Test vendor_ID_test device_ID_test mixmode_read e2_class_test status_reg_walk1 line_size_walkl latency_walk1 line_walk1 pin_test SUBTEST pin_test Enter 0 11 tests 12 Quit 13 Menu gt 0 EBus DMA TCR Registers The EBus DMA TCR registers diagnostic performs the following tests Test Function DMA_reg_test Performs a walking ones bit test for control status register address register and byte count register of each channel Verifies that the control status register is set properly DMA_func_test Validates the DMA capabilities and FIFOs Test is executed in a DMA diagnostic loopback mode Initializes the data of transmitting memory with its address performs a DMA read and write and verifies that the data received is correct Repeats for four channels Chapter 173 174 The following example shows the EBus DMA TCR registers diagnostic output message Enter 0 11 tests 12 Qui
47. y r pidamente accesible No conecte el cable de alimentaci n cuando se ha retirado la fuente de alimentaci n del chasis del sistema Bater a de litio una bater a de litio insertada en el reloj de tiempo real tipo SGS N m MK48T59Y MK48TXXB XX MK48T18 XXXPCZ M48T59W XXXPCZ o MK48T08 Las bater as no son elementos reemplazables por el propio cliente Pueden explotar si se manipulan de forma err nea No arroje las bater as al fuego No las abra o intente recargarlas Precauci n En las placas de CPU Sun hay Paquete de pilas contienen una pila de plomo sellada Productos de energ a port til n TLC02V50 Existe riesgo de estallido si el paquete de pilas se maneja sin cuidado o se sustituye de manera indebida Las pilas s lo deben sustituirse por el mismo tipo de paquete de pilas de Sun Microsystems No las desmonte ni intente recargarlas fuera del sistema No arroje las pilas al fuego Des chelas siguiendo el m todo indicado por las disposiciones vigentes Precauci n Las unidades Product Name Tapa de la unidad del sistema Debe quitar la tapa del sistema cuando sea necesario a adir tarjetas memoria o dispositivos de almacenamiento internos Aseg rese de cerrar la tapa superior antes de volver a encender el equipo Precauci n Es peligroso hacer funcionar los A productos Sun sin la tapa superior colocada El hecho de no tener en cuenta esta precauci n puede ocasionar da os perso
48. 000 0000000000000000 0000 0000 0000 0000 000 0000 0000 00 00 0000 0000000000000 0000000 0000 0000 0000 O0 0000 0000 0000 0000 00000000000000 00 0000 0000 0000 0000 Ley O C o 00 o o 900 0000 0000 0000 0000 0000000000000 0000000 0000 00000000 0000000000000000 0000 0000 0000 0000000000 0000000 0000 00000000 B KA Al Ts CS 220000000000 0000 0000 0000 0000 LS A gt re gt a 6 Z 7 es es ms ms PCI 4 PCI 3 PCI 2 PCI 1 00 0000 0000 0000 0000 0000 C 00 00000000 0000000 000 Uo 00 0000 0000 0000 0000 0000 0000000 0000000 00000 20 0000 0000 0000 00000000 f 9000000000 0000000000 o ola no y 5 Connect the mouse cable to the appropriate receptacle on the keyboard What Next You can now issue system commands from the keyboard and view system messages Continue with your service or diagnostic procedure as needed Sun Enterprise 420R Server Service Manual October 1999 Tools Required for Installation and Service The following tools are required to install and service the system Screwdriver Phillips 1 Screwdriver Phillips 2 Screwdriver long flat blade 2 Needle nose pliers Wrench 5 16ths inch Wrench 1 2 inch Torque indicator driver shipped with systems that do not have torque limiting screws on the memory riser assembly Sun part numbe
49. 1 Standby output 2 Combined output power of the 33 VDC and 5 VDC outputs must not exceed 320 Watts 3 Combined output power of the 3 3 VDC and 5 VDC outputs must not exceed 320 Watts Environmental Specifications The environmental requirements for the system are as follows Parameter Operating Temperature Humidity Altitude Vibration Shock Non Operating Temperature Humidity Altitude Vibration Shock Threshold Times Roman Value 5 C to 35 C 41 F to 95 F IEC 68 2 1 68 2 2 20 to 80 RH noncondensing 27 C max wet bulb IEC 68 2 2 68 2 3 0 to 3000 meters 0 to 10 000 feet IEC 68 2 40 68 2 41 0 2 gravity g peak 5 500 Hz swept sine 0 0002 g Hz 5 500 Hz random vertical axis only castered configuration vertical and horizontal axes foot glide configuration IEC 68 2 6 4g peak 11 milliseconds half sine pulse IEC 68 2 27 20 C to 60 C 4 F to 140 F IEC 68 2 1 68 2 2 93 RH noncondensing at 35 C IEC 68 2 2 68 2 3 0 to 12 000 meters 0 to 40 000 feet IEC 68 2 40 68 2 41 1g peak 5 500 Hz swept sine 0 002 g Hz 5 500 Hz random 3 perpendicular axes IEC 68 2 6 15g peak 11 milliseconds half sine pulse IEC 68 2 27e 1 m s SUN 900 1813 Appendix 227 228 Sun Enterprise 420R Server Service Manual October 1999 APPENDIX C Functional Description This appendix provides functional descriptions for the following m System Uni
50. 3 5 Signal Name Gnd Gnd 5 VDC MOUSE_IN_CONN KBD_OUT_L KBD_IN_CONN KPOWERON_L D N A a A N e 5 VDC Sun Enterprise 420R Server Service Manual October 1999 Signal Description Ground Ground 5 VDC Mouse receive data Keyboard out Keyboard in Keyboard power on 5 VDC Reference for the Serial Port A and B Connectors The serial port A and B connectors J2902 and J2903 respectively are DB 25 type connectors located on the main logic board back panel Both serial ports conform to RS 423 RS 232 specifications Serial Port A and B Connector Diagram 1300000000000001 Serial port B 2500000000000014 1300000000000001 Serial port A 2500000000000014 Serial Port Signals Pin Signal Description 1 NC Not connected 2 SER_TDX_A_CONN Transmit Data 3 SER_RXD_A_CONN Receive Data 4 SER_RTS_A_L_CONN Ready To Send 5 SER_CTS_A_L_CONN Clear To Send 6 SER_DSR_A_L_CONN Data Set Ready 7 Gnd Signal Ground 8 SER_DCD_A_L CONN Data Carrier Detect Appendix 215 Pin 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 Signal BUTTON_POR BUTTON_XIR_L 5VDC NC NC NC SER_TRXC_A_L_CONN NC SER_RXC_A_L_CONN NC NC SER_DTR_A_L_CONN NC NC NC SER_TXC_A_L_CONN None Description TBD TBD 5 VDC Not connected Not connected Not connected Transmit Clock Not connected Receive Clock Not connected Not connected Data Terminal Ready
51. 30 Sun Enterprise 420R Server Service Manual October 1999 Caution When completing a two person procedure always communicate your intentions clearly before during and after each step to minimize confusion What to Do Position one person on each side of the system facing the system glides When you are both in position verify that your helper understands what to do with the system after you remove it Also agree on a route to follow and visually inspect it for potential safety hazards for example cables on the floor other people working in the vicinity and so on Chapter 31 2 Locate the flat spring catches on the inner glides Each person should visually locate one of the two flat spring catches that release the system from the rack glide One catch is attached to each inner glide as shown in the following figure 2 sssseesseseesssseesesseese 3 Prepare to remove the system Each person should place one hand on the flat spring catch and their other hand beneath the chassis palm up ready to support the weight of the chassis 4 Simultaneously press in on both flat spring catches and slide the system out of the glides Each person presses one spring catch and helps slide the system free of the outer glide supporting the weight of the system as it slides free of the glides 5 Set the system on a workbench or other stable surface 32 Sun Enterprise 420R Server Service M
52. 9 What to Do 1 Locate the jumpers on the main logic board A main logic board jumper is identified by its jumper address labeled on the board with the letter J followed by four numbers JXXXX Jumper pins are located immediately adjacent to the jumper address Pin 1 is marked with an asterisk Serial port jumpers J4107 pato o J2805 _ j J4106 2 Bank 3 U1404 le U1403 J3001 P diaos a U1401 J4112 Flash PROM 33002 a Bank 2 UT304 Jumpers x L Bank 0 y130 ve ee J1601 90 CPU 88 z slot 3 CPU module J0401 E 88 La CPU se IZO slot 2 CPU module J0301 ES E CPU module J0201 slot 1 e Front P st CPU module J0101 3 o O ES PCI 4 J4701 UPA graphics J3601 PCI 3 J2001 PCI 2 J1901 PCI 66 1 J1801 L
53. A What Next To reassemble the system complete these tasks a How to Replace the Removable Media Assembly RMA on page 107 a How to Replace the System Cover on page 16 When you are ready to restart the system be sure to run OpenBoot Diagnostics OBDiag tests to verify that the system functions correctly with the new parts you have just installed For additional information see a How to Use OpenBoot Diagnostics OBDiag on page 169 You must also perform a reconfiguration boot so that your system is able to recognize any new device s For additional information see a How to Initiate a Reconfiguration Boot on page 6 Chapter 113 114 Sun Enterprise 420R Server Service Manual October 1999 CHAPTER 4 Removing and Replacing Backplanes and Cables This chapter describes how to remove and replace backplanes and cables within the system For a list of part numbers for field replaceable units and optional equipment see Illustrated Parts Breakdown on page 261 The following tasks are covered in this chapter How to Remove the UltraSCSI Backplane on page 116 How to Replace the UltraSCSI Backplane on page 119 How to Remove the Power Distribution Board on page 121 How to Replace the Power Distribution Board on page 125 How to Connect the System Cables on page 130 115 116 How to Remove the UltraSCSI Backplane Before You Begin Complete these tasks
54. AT xo y 5 With your other hand align the new power supply with its bay 6 Slide the new power supply into the power supply bay until the power supply connectors start to engage the connectors on the power distribution board Caution Be sure to keep the thumb holding up the retainer clip out of the way as you slide the power supply into its bay When the back of the power supply has cleared the retainer clip and is in the bay release the clip 7 Push on the front of the power supply firmly to engage the connectors with the power distribution board Caution If you are hot plugging a redundant supply take care to avoid jarring or shocking the system 8 Tighten the Phillips screw on the power supply retaining clip Chapter 139 Note As you tighten the screw the lower end of the retaining clip presses on the front of the power supply Fully tightening the Phillips screw ensures that the power supply is properly seated in its bay What Next Verify correct operation of the power supply by checking the fan and LED indicators on the power supply You should hear the fan start spinning and two green LEDs should light within three seconds of completing a hot plug installation or after restoring power to the system For more information about the power supply LEDs see Power Supply LEDs on page 192 140 Sun Enterprise 420R Server Service Manual October 1999 How to Remove the Fan Tray Assembly
55. Assembly 81 How to Replace the CPU Card Cage Assembly 83 How to Remove the Main Logic Board 85 How to Replace the Main Logic Board 89 How to Set the Serial Port Jumpers 92 How to Set the Flash PROM Jumpers 95 xxi Sun Enterprise 420R Server Service Manual October 1999 Removing and Installing Storage Devices 97 How to Remove a Disk Drive 98 How to Install a Disk Drive 100 How to Remove the Removable Media Assembly RMA 103 How to Replace the Removable Media Assembly RMA 107 How to Remove a CD ROM or Tape Drive 110 How to Install a CD ROM or Tape Drive 112 Removing and Replacing Backplanes and Cables 115 How to Remove the UltraSCSI Backplane 116 How to Replace the UltraSCSI Backplane 119 How to Remove the Power Distribution Board 121 How to Replace the Power Distribution Board 125 How to Connect the System Cables 130 Removing and Replacing Miscellaneous Assemblies 135 How to Remove a Power Supply 136 How to Install a Power Supply 138 How to Remove the Fan Tray Assembly 141 How to Replace the Fan Tray Assembly 143 How to Remove the Keyswitch Power Button LED Assembly and Cable 145 How to Replace the Keyswitch Power Button LED Assembly and Cable 148 How to Remove a System Door 151 How to Replace a System Door 154 Diagnostics and Troubleshooting 157 About Diagnostic Tools 158 About Power On Self Test POST Diagnostics 160 How to Use POST Diagnostics 161 How to Set Up a tip Connection 164 xxii About OpenBoot Dia
56. CSI Backplane Before You Begin Complete this task a How to Avoid Electrostatic Discharge on page 18 What to Do 1 Position the UltraSCSI backplane in place behind the disk drive bay in the chassis 2 Replace the two Phillips screws that secure the UltraSCSI backplane to the chassis Chapter 119 3 Connect the UltraSCSI data cable from the main logic board to connector J0102 on the UltraSCSI backplane The connector is keyed to attach in only one way J0101 J0102 4 Connect the removable media assembly SCSI cable to connector J0302 on the UltraSCSI backplane The connector is keyed to attach in only one way 5 Connect the I O power cable to connector J0101 on the UltraSCSI backplane The connector is keyed to attach in only one way What Next To reassemble the system complete these tasks a How to Replace the System Cover on page 16 a How to Install a Disk Drive on page 100 120 Sun Enterprise 420R Server Service Manual October 1999 How to Remove the Power Distribution Board Before You Begin Complete these tasks How to Power Off the System on page 2 How to Remove a Power Supply on page 136 How to Position the System for Service on page 8 How to Remove the System Cover on page 14 How to Avoid Electrostatic Discharge on page 18 How to Remove the Fan Tray Assembly on page 141 Caution Unplug the AC power cord s from the bac
57. I host adapter address in the system device tree followed by the SCSI device identification data The first example that follows shows a probe scsi output message The second example shows a probe scsi all output message Chapter 203 204 probe scsi output ok probe scsi This command may hang the system if a Stop A or halt command has been executed Please type reset all to reset the system before executing this command Do you wish to continue y n n ok reset all ok probe scsi Primary UltraSCSI bus Target 0 Unit 0 Target 4 Unit 0 Target 6 Unit 0 Removable Read Only device TOSHIBA XM5701TASUN12XCD0997 9 0 b 0 Disk SEAGATE ST34371W SUN4 2G3862 Removable Tape ARCHIVE Python 02635 XXX5962 Ch GR OC ser CT Targe Uni Targe Uni ok Disk SEAGATE ST34371W SUN4 2G7462 dt c Disk SEAGATE ST34371W SUN4 2G7462 probe scsi all output ok probe scsi all This command may hang the system if a Stop A or halt command has been executed Please type reset all to reset the system before executing this command Do you wish to continue y n y pci 1f 4000 scsi 4 1 Target 0 Unit 0 Disk SEAGATE ST39102LC SUN9 0G0828 Target 1 Unit 0 Disk SEAGATE ST39102LC SUN9 0G0828 Target 6 Unit 0 Removable Read Only deviceTOSHIBA XM6201TA SUN32XCD1103 ok Sun Enterprise 420R Server Service Manual October 1999 Abo
58. Level Memory Slot Population Good Banks 0 and 3 each have four 64 Mbyte DIMMs no interleaving Better Banks 0 and 1 each have four 64 Mbyte DIMMs 2 way interleaving Best Banks 0 1 2 and 3 all have four 64 Mbyte DIMMs 4 way interleaving Before You Begin Complete these tasks How to Power Off the System on page 2 How to Position the System for Service on page 8 How to Remove the System Cover on page 14 How to Avoid Electrostatic Discharge on page 18 How to Remove the Memory Riser Assembly on page 40 Caution DIMMs are made of electronic components that are extremely sensitive to static electricity Static electricity from your clothes or work environment can destroy the DIMM Always wear a grounding strap when you handle the modules Caution Do not remove a DIMM from its antistatic packaging until you are ready to install it Handle the modules only by their edges Do not touch the components or any metal parts Always wear a grounding strap when you handle the modules 50 Sun Enterprise 420R Server Service Manual October 1999 What to Do 1 Remove the new memory module from its antistatic packaging 2 Locate the socket into which you will install the memory module Caution If you are installing a DIMM in the memory riser assembly be sure to place the memory riser on an antistatic mat with the sockets facing up You must support the assembly while inserting the DIMM
59. MPOWER_B NC Gnd SCSI_B_ATN_L Gnd SCSI_B BSY_L SCSI_B_ACK_L SCSI_B_RESET_L SCSI_B_MSG_L SCSI_B_SEL_L SCSI_B CD_L SCSI_B_REQ_L SCSI_B_IO_L SCSI_B_DAT lt 8 gt _ Description Data 4 Data 5 Data 6 Data 7 Parity 0 Ground Not connected Terminal B power Terminal B power Not connected Ground Attention Ground Busy Acknowledge Reset Message Select Command Request In out Data 8 Appendix 221 222 Pin Signal Name Description 66 SCSI_B_DAT lt 9 gt _ Data 9 67 SCSI_B_DAT lt 10 gt _ Data 10 68 SCSI_B_DAT lt 11 gt _ Data 11 Note _ underscore signifies active low Sun Enterprise 420R Server Service Manual October 1999 Reference for the Parallel Port Connector The parallel port connector is a DB 25 type connector located on the main logic board back panel Parallel Port Connector Diagram 13 1 0000000000000 000000000000 25 14 Parallel Port Signals Pin Signal Description 1 PAR_DS_L_CONN Data Strobe Low 2to9 PP_DAT 0 7 CON Data0 Through Data7 N 10 PAR_ACK_L_CONN Acknowledge Low 11 PAR_BUSY_CONN Busy 12 PAR_PE_CONN Parity Error 13 PAR_SELECT_L_CO Select Low NN 14 PAR_AFXN_L_CON Auto Feed Low N 15 PAR_ERROR_L_CO Error Low NN 16 PAR_INIT_L_CONN _ Initialize Low 17 PAR_IN_L_CONN Peripheral Input Low Appendix 223 224 Pin 18 19 20 21 22 23 24 25 Signal Gnd Gnd Gnd Gnd Gnd Gnd Gnd Gnd Description Chassis grou
60. Not connected Not connected Not connected Terminal Clock None 216 Sun Enterprise 420R Server Service Manual October 1999 Reference for the Twisted Pair Ethernet TPE Connector The twisted pair Ethernet TPE connector is a RJ 45 type connector located on the main logic board back panel Connect only TPE cables into the TPE connector TPE Connector Diagram gt TPE Connector Signals Pin Signal Name Description 1 Common mode termination Termination 2 Common mode termination Termination 3 TX Transmit data 4 5 VDC 5 VDC 5 TX Transmit data 6 RX Receive data 7 RX_ Receive data 8 Common mode termination Termination Appendix 217 TPE Cable Type Connectivity The following types of TPE cables can be connected to the TPE connector m For 10BASE T applications unshielded twisted pair UTP cable a Category 3 UTP 3 voice grade a Category 4 UTP 4 a Category 5 UTP 5 data grade m For 100BASE TX applications UTP cable UTP 5 data grade External UTP 5 Cable Lengths The following list describes the TPE UTP 5 cable applications and maximum lengths Cable type UPT 5 data grade Applications 10BASE T or 100BASE TX Maximum length metric 100 meters Maximum length US 109 yards 218 Sun Enterprise 420R Server Service Manual October 1999 Reference for the UltraSCSI Connector The Ultra small computer system interface UltraSCSI connector is located on the main l
61. P printenv command at the OBP ok prompt as shown in the following example ok printenv variable name scsi initiator id keyboard click keymap ttyb rts dtr off ttyb ignore cd ttya rts dtr off ttya ignore cd ttyb mode ttya mode pcia probe list pcib probe list enclosure type banner name energystar enabled mfg mode diag level power cycles system board serial system board date fcode debug output device input device load base boot command auto boot watchdog reboot diag file diag device boot file boot device local mac address ansi terminal screen columns screen rows silent mode use nvramrc Value 7 false false true false true 9600 8 n 1 9600 8 n 1 1 1 3 2 4 5 540 4115 Sun Enterprise 420R false off min 5014450071228 371c1bc9 false screen keyboard 16384 boot true false net disk net false true 80 34 false false Default Value 7 false false true false true 9600 8 n 1 9600 8 n 1 1 IPS A true off min 35 false screen keyboard 16384 boot true false net disk net false true 80 34 false false Sun Enterprise 420R Server Service Manual October 1999 silent mode false security mode none security password security badlogins 0 oem logo oem logo false oem banner oem banner false hardware revision last hardware update diag switch true false false false false OB
62. P setenv Command To set the value of an OpenBoot PROM configuration variable stored in NVRAM enter the OBP setenv command at the OBP ox prompt as shown in the following example Caution If the NVRAM is a new part you must reset the three OpenBoot PROM configuration variables shown in this example These variables are named banner name enclosure type and energystar enabled and they must be set to the values shown in the example Chapter 201 ok setenv banner name Sun Enterprise 420R ok setenv enclosure type 540 4115 ok setenv energystar enabled false ok printenv variable name Value Default Value scsi initiator id 7 7 keyboard click false false keymap ttyb rts dtr off false false ttyb ignore cd true true ttya rts dtr off false false ttya ignore cd true true ttyb mode 9600 8 n 1 9600 8 n 1 ttya mode 9600 8 ny L gt 9600 8 n 1 pcia probe list al 1 pcib probe list L 3 2 4 5 1735 25459 enclosure type 540 4115 banner name Sun Enterprise 420R energystar enabled false mfg mode off off diag level min min power cycles 35 system board serial 5014450071228 system board date 371c1bc9 fcode debug false false output device screen screen input device keyboard keyboard load base 16384 16384 boot command boot boot auto boot true true watchdog reboot false false diag file diag device net net boot file boot device disk net disk net local mac address false false ansi termina
63. Read the documentation supplied with the PCI card for information about jumper settings PCI slot requirements and cable connections For information about the system s PCI slots and locations see PCI Bus on page 233 What to Do If you are installing a PCI card in an unused slot remove the corresponding filler panel from the back of the system Otherwise go to Step 2 a Remove the Phillips screw that secures the PCI filler panel to the system back panel Chapter 61 b Lift out the filler panel 2 Insert the PCI card into the appropriate slot on the main logic board a Insert the faceplate end of the card into the appropriate opening in the back panel If you are installing a PCI long card guide the opposite end of the PCI card into the card slot on the fan tray assembly 62 Sun Enterprise 420R Server Service Manual October 1999 b Push the card into the connector on the main logic board Apply even pressure along the edge of the card 3 Secure the PCI card faceplate to the back panel with the Phillips screw 4 If necessary connect any internal cables to the PCI card s internal connectors 5 If necessary connect any external cables to the PCI card What Next Complete this task to reassemble the system a How to Replace the System Cover on page 16 Chapter 63 When you are ready to restart the system be sure to run OpenBoot Diagnostics tests to verify that the sy
64. SCLAIMERS ARE HELD TO BE LEGALLY INVALID Copyright 1999 Sun Microsystems Inc 901 San Antonio Road Palo Alto Californie 94303 4900 U S A Tous droits r serv s Ce produit ou document est prot g par un copyright et distribu avec des licences qui en restreignent l utilisation la copie la distribution et la d compilation Aucune partie de ce produit ou document ne peut tre reproduite sous aucune forme par quelque moyen que ce soit sans l autorisation pr alable et crite de Sun et de ses bailleurs de licence s il y en a Le logiciel d tenu par des tiers et qui comprend la technologie relative aux polices de caract res est prot g par un copyright et licenci par des fournisseurs de Sun Des parties de ce produit pourront tre d riv es des syst mes Berkeley BSD licenci s par l Universit de Californie UNIX est une marque d pos e aux Etats Unis et dans d autres pays et licenci e exclusivement par X Open Company Ltd La notice suivante est applicable Netscape Communicator Copyright 1995 Netscape Communications Corporation All rights reserved Sun Sun Microsystems le logo Sun AnswerBook AnswerBook2 Sun Enterprise Sun Enterprise SYMON SunVTS OpenWindows et Solaris sont des marques de fabrique ou des marques d pos es ou marques de service de Sun Microsystems Inc aux Etats Unis et dans d autres pays Toutes les marques SPARC sont utilis es sous licence et sont des marques de fabrique ou des
65. Sun Enterprise 420R Server Service Manual Qe SUN microsystems THE NETWORK IS THE COMPUTER Sun Microsystems Inc 901 San Antonio Road Palo Alto CA 94303 4900 USA 650 960 1300 Fax 650 969 9131 Part No 806 1080 10 October 1999 Revision A Send comments about this document to docfeedback sun com Copyright 1999 Sun Microsystems Inc 901 San Antonio Road Palo Alto California 94303 4900 U S A All rights reserved The Enterprise 420R Server Service Manual provides detailed procedures that describe the removal installation and replacement of serviceable parts and options in the Sun Enterprise 420R server This service manual also includes information about diagnostics and maintenance of the system This product or document is protected by copyright and distributed under licenses restricting its use copying distribution and decompilation No part of this product or document may be reproduced in any form by any means without prior written authorization of Sun and its licensors if any Third party software including font technology is copyrighted and licensed from Sun suppliers Parts of the product may be derived from Berkeley BSD systems licensed from the University of California UNIX is a registered trademark in the U S and other countries exclusively licensed through X Open Company Ltd For Netscape Communicator the following notice applies Copyright 1995 Netscape Communications Corporation All righ
66. _DAT PCI Bus The peripheral component interconnect PCI bus is a high performance 32 bit or 64 bit bus with multiplexed address and data lines The PCI bus provides electrical interconnection between highly integrated peripheral controller components peripheral add on devices and the processor memory system There are two PCI buses The first bus is a one slot 3 3 VDC 64 bit or 32 bit 66 MHz or 33 MHz bus The second bus is a three slot 5 0 VDC 64 bit or 32 bit 33 MHz bus Both buses are controlled by the UPA to PCI bridge U2P ASIC There are also two on board PCI controllers the Symbios 53C876 SCSI controller and the PCI to Ebus Ethernet controller PCIO ASIC on the 33 MHz PCI bus PCI Cards PCI cards come in a variety of configurations Not all cards will fit or operate in all PCI slots so it is important to know the specifications of your PCI cards and the types of cards supported by each PCI slot in the system Appendix 233 234 Some PCI cards are as short as 6 875 inches 17 46 cm in length called short cards while the maximum length of PCI cards is 12 28 inches 31 19 cm called long cards Each slot in the system can accommodate either a long or a short card Older PCI cards communicate over 32 bit PCI buses while many newer cards communicate over wider 64 bit buses PCI slot PCI 1 accepts 32 bit wide PCI cards only and PCI slots 2 through 4 will accept either 32 bit or 64 bit wide cards
67. a FRU 530 2824 370 3416 Not a FRU 540 4230 Not a FRU Appendix 269 270 Sun Enterprise 420R Server Service Manual October 1999
68. a mouse are also accessible through the serial port The additional speed of the serial port can be used to execute communications with a CSU DSU for a partial T1 line to the internet at 384 Kbaud per second EIA Levels Each serial port supports both RS 232 and RS 423 protocols RS 232 signaling levels are between 3 VDC and 15 VDC and 3 VDC and 15 VDC A binary 1 001 is anything greater than 3 VDC and a binary 0 000 is anything less than 3 VDC The signal is undefined in the transition area between 3 VDC and 3 VDC The line driver switches at 10 VDC and 10 VDC with a maximum of 12 VDC and 12 VDC in RS 232 mode RS 423 is similar except that signaling levels are between 4 VDC to 6 VDC and 4 VDC and 6 VDC The line driver switches at 5 3 VDC and 5 3 VDC with a maximum of 6 V and 6 VDC Switching from RS 232 to RS 423 protocol is accomplished by changing jumpers J2804 and J2805 Jumper positions 1 and 2 are for RS 232 and jumper positions 2 and 3 are for RS 423 The preferred signaling protocol is RS 423 The higher voltages of R 232 make it difficult to switch at the higher baud rates The maximum rate for RS 232 is approximately 64 Kbaud while the maximum rate for RS 423 is 460 8 Kbaud The system default is set to RS 232 Synchronous Rates The serial synchronous ports operate at any rate from 50 Kbaud to 256 Kbaud when the clock is generated from the serial port controller When the clock is generated from an external
69. age 18 How to Remove the DC to DC Converter on page 54 Caution DIMMs are made of electronic components that are extremely sensitive to static electricity Static electricity from your clothes or work environment can destroy the DIMM Always wear a grounding strap when you handle the modules Caution Do not remove any DIMM from its antistatic packaging until you are ready to install it Handle the modules only by their edges Do not touch the components or any metal parts Always wear a grounding strap when you handle the modules Sun Enterprise 420R Server Service Manual October 1999 What to Do 1 Using a Phillips 2 screwdriver loosen the screws on the memory riser assembly Once the screws have been loosened you can use your fingers to loosen the screws as far as possible NADAL o 41 Chapter 2 Lift the memory riser assembly straight up and out of the system Caution Always lift the memory riser assembly straight up from the main logic board connectors to avoid damaging the connectors 3 Place the memory riser assembly on an antistatic mat What Next To replace the memory riser complete this task a How to Replace the Memory Riser Assembly on page 43 42 Sun Enterprise 420R Server Service Manual October 1999 How to Replace the Memory Riser Assembly Before You Begin Complete this task a How to Avoid Electrostatic Discharge on page 18
70. agnostic messages is determined by the value of the OpenBoot PROM variable diag verbosity See Configuration Variable on page 168 for additional details 194 Sun Enterprise 420R Server Service Manual October 1999 Software Commands System software provides Solaris operating system commands that you can use to diagnose problems and OBP commands that enable you to diagnose problems even if the Solaris operating environment is unavailable for any reason For more information on Solaris commands see the appropriate man pages For additional information on OBP commands see the OpenBoot 3 x Command Reference Manual An online version of the manual is included with the Solaris System Administrator AnswerBook that ships with Solaris software Solaris prtdiag Command The prtdiag command is a UNIX shell command used to display system configuration and diagnostic information such as m System configuration including information about clock frequencies CPUs memory and I O card types a Diagnostic information m Failed field replaceable units FRUs To run prtdiag type usr platform sun4u sbin prtdiag To isolate an intermittent failure it may be helpful to maintain a prtdiag history log Use prtdiag with the 1 log option to send output to a log file in var adm Note Refer to the prtdiag man page for additional information An example of prtdiag output follows The exact format of prtdiag output depe
71. al October 1999 Power On Failures Symptom The system attempts to power up but does not boot or initialize the monitor Action Run POST diagnostics See How to Use POST Diagnostics on page 161 Observe POST results The front panel general fault LED should flash slowly to indicate that POST is running Check the POST output using a locally attached terminal or a tip connection If you see no front panel LED activity a power supply may be defective See Power Supply LEDs on page 192 If the POST output contains an error message then POST has failed The most probable cause for this type of failure is the main logic board However before replacing the main logic board you should a Remove optional PCI cards b Remove optional DIMMs Leave only the four DIMMs in Bank A c Repeat POST to determine if any of these modules caused the failure d If POST still fails then replace the main logic board Disk or CD ROM Drive Failure Symptom A CD ROM drive read error or parity error is reported by the operating system or a software application Chapter 207 Action Replace the drive indicated by the failure message Symptom Disk drive or CD ROM drive fails to boot or is not responding to commands Action Test the drive response to the probe scsi all command as follows 1 At the system ok prompt type ok reset all ok probe scsi all 2 If the SCSI device responds
72. alling slew rate equals 520 mV per nanosecond maximum 2 3 to 0 7 VDC The UltraSCSI electrical characteristics for the host adapter and target device include Vi input low equals 1 0 VDC maximum signal true Vin Gnput high equals 1 9 VDC minimum signal false I input low current equals 20 uA at Vi equals 0 5 VDC In input high current equals 20 uA at Vi equals 2 7 VDC Minimum input hysteresis equals 0 3 VDC Supported Target Devices The SCSI subsystem supports a maximum of four internal devices including the host adapter A unipack with one drive or a six pack accommodating six drives can be used as external devices The following table lists the target devices supported by the SCSI subsystem Target Device Comment Internal hard drives Up to two 1 0 x 4 0 inch 2 54 cm x 10 2 cm 9 1 Gbyte or up to two 18 Gbyte 1 0 x 4 0 2 54 cm x 10 2 cm All internal hard drives are UltraSCSI compliant Internal CD ROM drive Optional 644 Mbyte SunCD 32X speed photo CD compatible Headphone jack with volume control CD ROM drive is a narrow SCSI device Internal tape drive s Refer to product guide External SPARCstorage UniPack Refer to product guide External SPARCstorage SixPack Refer to product guide Appendix 251 External Cables External UltraSCSI compliant SCSI cables have an impedance of 90 ohm 6 ohm and are required for UltraSCSI interface Sun s implementation of UltraSCSI requires tha
73. anti tip legs 2 Open or remove the front and back rack enclosure door s 3 Disconnect all external cables attached to the back panel of the system As you disconnect each cable label it with a strip of masking tape indicating the cable s origin and its terminating connection Caution Do not disconnect the power cable s from the system power inlet s unless you are installing or replacing the power distribution board the main logic board or a power supply The power cord grounds the system 8 Sun Enterprise 420R Server Service Manual October 1999 Ssscscssecssesssk 000000000000 of Use a Phillips 2 screwdriver to loosen the captive screws which are in recessed access holes in the decorative panels affixed to the system s front panel 4 Loosen the four captive screws that secure the system to the left and right vertical rails at the front of the rack 9 Chapter 5 Slide the system chassis evenly out of the rack enclosure until the inner glides stop in the slide Grasp the system s front bezel and pull the system smoothly out of the enclosure Continue pulling the system until the back of the chassis clears the enclosure and you hear the flat spring catches in the glides engage with an audible clicking sound The system is then fully extended and secure What Next For information about sliding the system into th
74. anual October 1999 6 Slide the empty rack slides back into their protective outer glides 7 Reattach close and lock the rack doors as appropriate What Next For information about placing the system into the rack glides see a How to Place the System Into the Rack Glides on page 34 Chapter 33 A How to Place the System Into the Rack Glides This procedure assumes that the slide assembly is already installed in the rack For further information on assembling the slide assemblies and rack enclosures see the Sun Enterprise 420R Server Setup and Rackmounting Guide Caution The chassis is heavy Two people are required to place the system into the rack enclosure glides in the following procedure Before You Begin Complete the following tasks m Identify a helper to assist you in removing the system m Verify that your helper can safely lift and carry 34 lbs 17 kg which is approximately half the weight of a fully equipped system m Assemble the correct tools for the procedure See Tools Required for Installation and Service on page 29 a Open and remove the rack enclosure front door Caution When completing a two person procedure always communicate your intentions clearly before during and after each step to minimize confusion What to Do 1 Extend the cabinet s anti tip legs 34 Sun Enterprise 420R Server Service Manual October 1999 Caution Unless the rack is bolted
75. arallel interface bus The UltraSCSI provides the following m Efficient peer to peer I O bus devices Mechanical electrical and timing specification definition that support transfer rates of 20 or 40 Mbytes per second corresponding to the data path width of an 8 bit or 16 bit bus respectively m Peak bandwidth of 40 Mbytes per second with implemented 16 bit bus width The internal SCSI bus is terminated at each end One set of terminators is located close to the CD ROM drive connector on the CD ROM SCSI cable A second set of terminators is located close to the SCSI host adapter The following figure shows the SCSI bus configuration Host External Disk 1 Disk 0 i adapter devices UltraSCSI UltraSCSD le iraScsiy UltraSCSI SCSI bus SCSI bus Internal SCSI bus External to chassis Configuration for the SCSI Bus 250 Sun Enterprise 420R Server Service Manual October 1999 Host Adapter The host adapter is a Symbios Logic PCI SCSI 1 0 processor IC The host adapter and all target devices comply with the UltraSCSI single ended drivers and receivers characteristics The electrical characteristics of the output buffers include a V output low equals 0 to 0 5 VDC with lol at 48 mA signal asserted m V out high equals 2 5 to 3 7 VDC signal negated m tise rising slew rate equals 520 mV per nanosecond maximum 0 7 to 2 3 VDC m ta f
76. ation procedure For further information see your Sun Enterprise 420R Server Owner s Guide What Next When you are ready to restart the system be sure to run OpenBoot Diagnostics tests to verify that the system functions correctly with the new parts you have just installed For additional information see a How to Use OpenBoot Diagnostics OBDiag on page 169 You must also perform a reconfiguration boot so that your system is able to recognize any new device s For additional information see a How to Initiate a Reconfiguration Boot on page 6 Sun Enterprise 420R Server Service Manual October 1999 How to Remove the Removable Media Assembly RMA Note The removable media assembly can include a CD ROM drive or a 4 mm tape drive Before You Begin Complete these tasks How to Power Off the System on page 2 How to Position the System for Service on page 8 How to Remove the System Cover on page 14 How to Avoid Electrostatic Discharge on page 18 Chapter 103 What to Do 1 Disconnect the I O power cable from the removable media assembly power connector See the illustration in Step 3 for the location of the RMA in the system 2 Disconnect the removable media SCSI cable from the removable media SCSI connector 104 Sun Enterprise 420R Server Service Manual October 1999 3 Pull off the plastic cover from the front of the removable media assembly Press down on t
77. attach an alphanumeric ASCII terminal or establish a tip connection to the server in order to install the system software and to run diagnostic tests For background information see About Communicating With the Server on page 23 Alternatively you can install a local graphics console on the server see How to Configure a Local Graphics Console on page 26 For information about establishing a tip connection see your Sun Enterprise 420R Server Owner s Guide or the OpenBoot 3 x Command Reference Manual an online version of which is included with the Solaris System Administrator AnswerBook that ships with Solaris software 24 Sun Enterprise 420R Server Service Manual October 1999 What to Do 1 Connect the terminal s data cable to serial port A on the server s back panel 90 0000 0000 0000 0000 0000000000000000 0000 0000 0000 0000 0000 0000 000000000 000 0000 0000 0000 0000 0000000000000 000 0000 0000 0000 0000 0000 0000 00000 00 00 O0 0000 0000 0000 0000 00000000000000 00 0000 0000 0000 0000 0000 0000 000000 000 000 0000 0000 000000000000 o o e TP enD E 00 0000 0000 0000 0000 00000000000000 00 0000 0000 0000 0000 0000000000 00 000 0000 0000 00000000 0000000 0000 0000 0000 Ww 00000000000000 0000 0000 0000 0000000000 0000000 0000 0000 0000 cd 000000000000 0000 0000 00000000 EEE PCI 4 PCI 8 PCI 2 PCI 1
78. cate the jumpers on the main logic board A main logic board jumper is identified by its jumper address labeled on the board with the letter J followed by four numbers JXXXX Jumper pins are located immediately adjacent to the jumper address Pin 1 is marked with an asterisk For information about the jumper locations see How to Set the Serial Port Jumpers on page 92 Chapter 95 2 Set the main logic board jumpers J3001 and J3102 Using long nose pliers place a shunt over the appropriate pins according to the following table Flash PROM A shunt on pins 1 A shunt on pins 2 The default shunt Signal that is jumper and 2 selects and 3 selects is on pins controlled J3001 Write protect Write enable l and 2 FLASH PROM PROG ENABLE J3002 High half Normal low half 1 and 2 XOR LOGIC SET booting booting What Next Complete the following task to reassemble the system a How to Replace the System Cover on page 16 When you are ready to restart the system be sure to run OpenBoot Diagnostics tests to verify that the system functions correctly For additional information see a How to Use OpenBoot Diagnostics OBDiag on page 169 96 Sun Enterprise 420R Server Service Manual October 1999 CHAPTER 3 Removing and Installing Storage Devices This chapter describes how to remove and install the system s storage and removable media devices For a list of part numbers for field replaceable units and
79. ce Notice Sun products that use laser technology comply with Class 1 laser requirements Class 1 Laser Product Luokan 1 Laserlaite Klasse 1 Laser Apparat Laser KLasse 1 CD ROM performance of procedures other than those specified herein may result in hazardous radiation exposure Caution Use of controls adjustments or the Einhaltung sicherheitsbeh rdlicher Vorschriften Auf dieser Seite werden Sicherheitsrichtlinien beschrieben die bei der Installation von Sun Produkten zu beachten sind Sicherheitsvorkehrungen Treffen Sie zu Ihrem eigenen Schutz die folgenden Sicherheitsvorkehrungen wenn Sie Ihr Ger t installieren m Beachten Sie alle auf den Ger ten angebrachten Warnhinweise und Anweisungen m Vergewissern Sie sich da Spannung und Frequenz Ihrer Stromquelle mit der Spannung und Frequenz bereinstimmen die auf dem Etikett mit den elektrischen Nennwerten des Ger ts angegeben sind m Stecken Sie auf keinen Fall irgendwelche Gegenstande in Offnungen in den Ger ten Leitf hige Gegenst nde k nnten aufgrund der m glicherweise vorliegenden gef hrlichen Spannungen einen Kurzschluf verursachen der einen Brand Stromschlag oder Ger teschaden herbeifiihren kann Symbole Die Symbole in diesem Handbuch haben folgende Bedeutung Ger teschaden Befolgen Sie die Achtung Gefahr von Verletzung und Anweisungen o Achtung Hohe Temperatur Nicht ber hren da Verletzungsgefah
80. cessed hinge cutouts on the back panel Grasp the system cover by its sides and lower the panel downwards and toward the front of the enclosure The system cover hinges on two recessed cutouts on the back panel of the enclosure 2 Tighten the captive screws securing the panel to the enclosure 16 Sun Enterprise 420R Server Service Manual October 1999 3 Lock the system cover Turn the key clockwise to engage the system cover lock What Next To restart the system see a How to Slide the System Into the Rack on page 11 a How to Power On the System on page 3 a How to Initiate a Reconfiguration Boot on page 6 Chapter 17 How to Avoid Electrostatic Discharge Use the following procedure to prevent static damage whenever you are accessing any of the internal components of the system Before You Begin Complete these tasks a How to Power Off the System on page 2 a How to Position the System for Service on page 8 a How to Remove the System Cover on page 14 You must have the following items m Antistatic wrist or foot strap a Antistatic mat or the equivalent What to Do components that are extremely sensitive to static electricity Ordinary amounts of static from your clothes or the work environment can destroy components Do not touch the components or any metal parts without taking proper antistatic precautions n Caution Printed circuit boards and hard
81. ch the jumper settings on the original main logic board See How to Set the Serial Port Jumpers on page 92 and How to Set the Flash PROM Jumpers on page 95 Chapter 89 3 Position the replacement main logic board in the chassis Align the notches on the sides of the board with the corresponding tabs on the chassis S SS ee NNN X NOSES OLS NG 4 Slide the main logic board toward the system back panel Ensure that each connector on the main logic board slides through the corresponding cutout in the system back panel 5 Replace the three screws securing the main logic board to the system back panel 90 Sun Enterprise 420R Server Service Manual October 1999 6 Connect the internal cables to the main logic board The connectors are keyed to connect in only one way For information about cable connector locations see How to Connect the System Cables on page 130 a Connect the main power cable to connector J4107 b Connect the CPU power sense cable to connector J4106 c Connect the UltraSCSI data cable to connector J2101 d Connect the control cable to connector J4111 What Next Complete these tasks to reassemble the system How to Replace the NVRAM TOD Module on page 74 How to Replace the CPU Card Cage Assembly on page 83 How to Replace the Air Guide on page 79 How to Install a CPU Module on page 68 How to Install a Memory Module on page 48
82. configuring devices See one or more of the following for this information m Solaris Handbook for Sun Peripherals m AnswerBook online documentation for the Solaris software environment a Other software documentation that you received with your system xxv Sun Enterprise 420R Server Service Manual October 1999 Typographic and Command Entry Conventions Typeface or Symbol Meaning Examples AaBbCc123 The names of commands files and directories on screen computer output AaBbCc123 What you type when contrasted with on screen computer output AaBbCc123 Book titles new words or terms words to be emphasized Command line command and variable entry replace the variable with a real name or value and then press the Return or Enter key Shell Prompts Shell C shell C shell superuser Bourne shell and Korn shell Bourne shell and Korn shell superuser Edit your login file Use 1s a to list all files 2 You have mail 2 su Password Read Chapter 6 in the User s Guide These are called class options You must be superuser to do this To delete a file type rm filename Prompt machine_name machine_name xxvi Related Documentation The following documents contain topics that relate to the information in the Sun Enterprise 420R Server Service Manual Server rackmounting and setup Sun Enterprise 420R Server Setup and Rackmounting Guide Setting up and runni
83. ded below Power On Self Test Failed Cause DIMM U0702 or System Board ok POST status and error conditions are indicated by the general fault LED on the system front panel The LED flashes slowly to indicate that POST is running It remains lit if POST detects a fault If a Sun Type 6 keyboard is attached POST status and error indications are also displayed via the four LEDs on the keyboard When POST starts all four keyboard LEDs flash on and off simultaneously After that the Caps Lock LED flashes slowly to indicate POST is running If an error is detected the pattern of the lit LEDs provides an error indication See Error Indications on page 189 for more information If POST detects an error condition that prevents the system from booting it halts operation and displays the ok prompt The last message displayed by POST prior to the ok prompt indicates which part you need to replace Chapter 163 How to Set Up a tip Connection A tip connection enables you to use a remote shell window as a terminal to display test data from a system Serial port A or serial port B of a tested system is used to establish the tip connection between the system being tested and another Sun system monitor or TTY type terminal The tip connection is used in a terminal window and provides features to help with the OBP To set up a tip connection 1 Connect serial port A of the system being tested to serial port B of another Sun sy
84. del cable de alimentaci n el ctrica A A Precauci n Los productos Sun est n dise ados para trabajar en una red el ctrica monof sica con toma de tierra Para reducir el riesgo de descarga el ctrica no conecte los productos Sun a otro tipo de sistema de alimentaci n el ctrica P ngase en contacto con el responsable de mantenimiento o con un electricista cualificado si no est seguro del sistema de alimentaci n el ctrica del que se dispone en su edificio Precauci n No todos los cables de alimentaci n el ctrica tienen la misma capacidad Los cables de tipo dom stico no est n provistos de protecciones contra sobrecargas y por tanto no son apropiados para su uso con computadores No utilice alargadores de tipo dom stico para conectar sus productos Sun Precauci n Con el producto Sun se proporciona un cable de alimentaci n con toma de tierra Para reducir el riesgo de descargas el ctricas con ctelo siempre a un enchufe con toma de tierra La siguiente advertencia se aplica solamente a equipos con un interruptor de encendido que tenga una posici n En espera Precauci n El interruptor de encendido de este producto funciona exclusivamente como un dispositivo de puesta en espera El enchufe de la fuente de alimentaci n est dise ado para ser el elemento primario de desconexi n del equipo El equipo debe instalarse cerca del enchufe de forma que este ltimo pueda ser f cil
85. doors and swing them open Turn the keyswitch to the Power On Off position This unlocks the system front doors 4 Identify the disk drive to be removed and note the bay in which it is installed For information about disk status LEDs see Disk Drive LEDs on page 194 98 Sun Enterprise 420R Server Service Manual October 1999 5 Push the disk drive latch to the right to release the disk drive handle 6 Swing the handle away from the drive until you feel the drive connector disengage from the backplane 7 Holding the disk drive by the handle slide it out of the drive bay 8 Place the disk drive on an antistatic mat What Next To install the disk drive complete this task a How to Install a Disk Drive on page 100 Chapter 99 How to Install a Disk Drive The system s disk hot plug feature lets you install a disk drive without shutting down the operating system or turning off the system power For more information see your Sun Enterprise 420R Server Owner s Guide Before You Begin Complete this task a How to Avoid Electrostatic Discharge on page 18 Note If the server is setup without a local graphics console terminal or monitor you need to set up one of these options in order to issue software commands See About Setting Up a Console on page 40 for further information What to Do 1 Prepare the system to receive the new disk drive The hot plug installation procedure inv
86. e a CPU Module on page 65 How to Remove the Air Guide on page 77 How to Remove the CPU Card Cage Assembly on page 81 Caution Do not attempt to remove components from the main logic board after it has been removed from the system Doing so can damage the main logic board Chapter 85 What to Do 1 Disconnect the following internal cables from the main logic board Press the tab on the cable connector to detach each cable For information about cable connector locations see How to Connect the System Cables on page 130 a Disconnect the main power cable from connector J4107 b Disconnect the CPU power sense cable from connector J4106 c Disconnect the UltraSCSI data cable from connector J2101 d Disconnect the control cable from connector J4111 86 Sun Enterprise 420R Server Service Manual October 1999 2 Remove the three screws securing the main logic board to the system back panel Small arrows on the back panel point to the screws you must loosen CEOS a SEN PO SANY 3 Slide the main logic board away from the back panel until it is free 4 Lift the main logic board out of the system 5 Place the main logic board on an antistatic mat 6 If you are replacing this main logic board note the serial port and flash PROM jumper settings See How to Set the Serial Port Jumpers on page 92 and How to Set the Flash PROM Jumpers on page 95 Chapter
87. e levers away from the center of the CPU module module from its main logic board connector No Sun Enterprise 420R Server Service Manual October 1999 TATIANA y m ys 66 3 Grasp the upper corners of the CPU module and slide the module out of the CPU card cage 4 Place the CPU module on an antistatic mat 5 If you are not replacing the CPU module install a CPU filler panel What Next To install a CPU module complete this task a How to Install a CPU Module on page 68 Chapter 67 How to Install a CPU Module Before You Begin Complete these tasks How to Power Off the System on page 2 How to Position the System for Service on page 8 How to Remove the System Cover on page 14 How to Avoid Electrostatic Discharge on page 18 The system supports one two three or four CPU module configurations When replacing or installing CPU modules you must fill the CPU slots in the following order System Configuration Main Logic Board CPU Slot One CPU CPU slot 2 Two CPUs CPU slots 2 and 1 Three CPUs CPU slots 2 1 and 3 Four CPUs All Slots For further information about CPU modules see your Sun Enterprise 420R Server Owner s Guide 68 Sun Enterprise 420R Server Service Manual October 1999 What to Do 1 Locate the appropriate slot for the CPU module that you are installing in the CPU card cage on the main logic board
88. e rack enclosure see a How to Slide the System Into the Rack on page 11 10 Sun Enterprise 420R Server Service Manual October 1999 How to Slide the System Into the Rack Before You Begin If you have been working inside the system see a How to Replace the System Cover on page 16 Chapter 11 What to Do 1 Release the two flat spring catches that lock the system into its current position Press in on both spring catches to free the system glides One flat spring catch is attached to each inner glide on the system chassis as shown in the following figure 59 i N o 9 o 8 o 8 o o o o o 98 o D CER REE EERE EER EAT 4 pevevovesscecvs000000000000000000000 Fnessnssescescsssececccssessseesesvss 2 Slide the system chassis evenly into the rack enclosure until the system comes to a complete stop 12 Sun Enterprise 420R Server Service Manual October 1999 3 Secure the system to the left and right vertical rails at the front of the rack Use a Phillips 2 screwdriver to tighten the four captive screws that secure the system in the rack enclosure These screws are in recessed access holes in the decorative panels affixed to the system s front panel A oeoo000 o 0000000000 5533505550505 ooo DETTE TETE 4 Reconnect all external cables that were attached to the back panel of the sy
89. e routing and cable management instructions provided in the table Each cable connector is keyed so that it can be connected in only one way Sun Enterprise 420R Server Service Manual October 1999 Cable Connectors and Routing Cable Name Connections Routing and Management CPU power sense cable Main power cable I O power cable UltraSCSI data cable Removable media SCSI cable Keyswitch power button LED cable Control cable From Power distribution board J0205 To Main logic board J4106 From Power distribution board J0201 To Main logic board J4107 From Power distribution board J0210 To UltraSCSI backplane J0101 and To RMA power connector From Main logic board J2101 To UltraSCSI backplane J0102 From UltraSCSI backplane J0302 To Removable media SCSI connector From Power distribution board J0500 To Front of chassis From Power distribution board J0209 To Main logic board J4111 Routed from under the fan tray assembly to the main logic board Routed from under the fan tray assembly to the main logic board Routed from under the fan tray assembly through the notch on the fan tray assembly to the UltraSCSI backplane and the RMA power connector Routed flat under the tab on the side of the fan tray assembly Routed from the UltraSCSI backplane to the RMA SCSI connector Routed under the notch on the fan tray assembly Routed from the main logic board
90. e system shutdown This setting disables the system s Power button and also locks the front doors preventing access to the disk drives and to the power supplies The Locked position is the recommended setting for normal day to day operation of the system This setting places the system in Standby mode by turning off power to all internal system components and by placing the power supplies in Standby mode When the keyswitch is in this position the keyboard power switch and the server s Power button are disabled Chapter 21 System LED Indicators The two system LEDs consist of a system health indicator and a fault indicator The system health indicator lights continuously green to show that the system is functioning normally The fault indicator lights when a problem is detected in the system Because it is important to know that a fault exists in the system the fault indicator remains lit whether the system is in normal operating mode or is switched to Standby mode using the keyswitch When you first power on the system the LEDs individually blink on and off to verify that each one is working correctly After that the LEDs operate as described in the following table Name Icon Description This yellow LED lights steadily when any fault is detected including a fault reported by a power supply LED fault General fault Power on This green LED lights continuously when the system activity power is on 22 Sun Ent
91. e tab on the top of the cover with its corresponding hole and press down on the top of the center of the cover evenly until it snaps into place 5 Reconnect the removable media assembly SCSI cable to the removable media SCSI cable connector The connector is keyed so that it connects in only one way For information about cable connector locations see How to Connect the System Cables on page 130 6 Connect the I O power cable to the removable media assembly power connector The connector is keyed so that it connects in only one way Sun Enterprise 420R Server Service Manual October 1999 What Next To reassemble the system complete this task a How to Replace the System Cover on page 16 Chapter 109 How to Remove a CD ROM or Tape Drive Before You Begin Complete these tasks How to Power Off the System on page 2 How to Position the System for Service on page 8 How to Remove the System Cover on page 14 How to Avoid Electrostatic Discharge on page 18 How to Remove the Removable Media Assembly RMA on page 103 What to Do 1 Remove the four screws securing the drive to the removable media assembly There are two screws on each side of the drive Screws 110 Sun Enterprise 420R Server Service Manual October 1999 2 Slide the drive out from the front of its bay in the removable media assembly Push the drive from the back to start the removal process 3
92. ectrostatic Discharge on page 18 What to Do 1 Disconnect any external cable s attached to the faceplate of the PCI card 2 Disconnect any cables connected to the PCI internal connectors 3 Using a Phillips 2 screwdriver remove the screw and washer that secure the card to the system back panel 58 Sun Enterprise 420R Server Service Manual October 1999 Caution Do not apply excessive force to one end or one side of the card Doing so could damage the card eaveeuduer o o 4 Pull the PCI card from its slot Hold the card by the faceplate and its opposite edge and pull upward while gently rocking the card from end to end until it is freed from its slot 5 Place the PCI card on an antistatic mat Chapter 59 60 6 If you are not replacing the PCI card cover the vacated space with a PCI filler panel a Slide the filler panel into the appropriate slot b Replace the Phillips screw that secures the filler panel to the system back panel LPT What Next To install a PCI card complete this step a How to Install a PCI Card on page 61 Sun Enterprise 420R Server Service Manual October 1999 How to Install a PCI Card Before You Begin Complete these tasks How to Power Off the System on page 2 How to Position the System for Service on page 8 How to Remove the System Cover on page 14 How to Avoid Electrostatic Discharge on page 18
93. ereuses Pour viter les risques d lectrocution et de danger pour la sant physique veuillez suivre les instructions gt Bb amp MARCHE Vot re syst me est sous tension courant alternatif Un des symboles suivants sera peut tre utilis en fonction du type d interrupteur de votre syst me ARRET Votre syst me est hors tension courant alternatif VEILLEUSE L interrupteur Marche Veilleuse est en position Veilleuse Modification du mat riel Ne pas apporter de modification m canique ou lectrique au mat riel Sun Microsystems n est pas responsable de la conformit r glementaire d un produit Sun qui a t modifi Safety Agency Compliance Statements xiv Positionnement d un produit Sun Attention pour assurer le bon A fonctionnement de votre produit Sun et pour l emp cher de surchauffer il convient de ne pas obstruer ni recouvrir les ouvertures pr vues dans l appareil Un produit Sun ne doit jamais tre plac proximit d un radiateur ou d une source de chaleur au poste de travail s l ve selon la norme DIN Attention Le niveau de pression acoustique 45 635 section 1000 70 dB A ou moins Conformit SELV S curit les raccordements E S sont conformes aux normes SELV Connexion du cordon d alimentation fonctionner avec des alimentations monophas es munies d un conducteur neutre mis a la terre Pour carter les ris
94. erminal or local console is not already connected to the system you need to install one before continuing the startup procedure For information see a About Communicating With the Server on page 23 a How to Configure a Local Graphics Console on page 26 Note Use the Reconfiguration Boot procedure instead of the power on procedure if you have just installed an internal or external device or any new part that plugs into the main logic board except a CPU or a DIMM See How to Initiate a Reconfiguration Boot on page 6 for further information What to Do Caution Never move the system when system power is on Movement can cause catastrophic disk drive failure Always power off the system before moving it Caution Before you power on the system make sure that the cover is properly installed Turn on power to any peripherals and external storage devices Read the documentation supplied with the device for specific instructions Turn on power to the monitor or terminal A terminal or monitor is required for viewing system messages For setup instructions see How to Attach an Alphanumeric Terminal on page 24 or How to Configure a Local Graphics Console on page 26 Turn the front panel keyswitch to the Power On Off position See Keyswitch Settings on page 21 for information about each keyswitch setting Chapter 3 4 Press the front panel Power button once See Keysw
95. erprise 420R Server Owner s Guide xxiv How This Book Is Organized The chapters in this manual refer to a series of related service tasks Using the table of contents or the task list on the first page of each chapter you can quickly find the information you need to perform a specific task The information modules for the tasks are brief however they are interrelated and refer to other modules in the book For instance the procedure Replacing the Main Logic Board is related to many tasks covered by other modules You must perform these requisite tasks before or after replacing the main logic board This book is divided into six chapters and appendixes as described below Chapter 1 describes tasks that you need to perform before or after each service procedure Chapter 2 explains tasks related to main logic board components Chapter 3 provides information about tasks related to system storage devices Chapter 4 describes tasks related to system backplanes and cables Chapter 5 explains tasks related to various subassemblies in the system Chapter 6 details the diagnostic tools and troubleshooting procedures for the system The Appendixes list system specifications accessible connector pinouts safety information and field replaceable unit FRU information Using UNIX Commands This document may not contain information on basic UNIX commands and procedures such as shutting down the system booting the system and
96. erprise 420R Server Service Manual October 1999 About Communicating With the Server To initiate a reconfiguration boot or to diagnose problems you need some way to enter system commands and view system output There are three ways to do this 1 Attach an ACSI character terminal to serial port A You can attach a simple terminal or modem line to serial port A The terminal can be capable of displaying and entering alphanumeric but not graphical data For instructions see How to Attach an Alphanumeric Terminal on page 24 2 Establish a tip connection from another Sun system For information about establishing a t ip connection see your Sun Enterprise 420R Server Owner s Guide or the OpenBoot 3 x Command Reference Manual an online version of which is included with the Solaris System Administrator AnswerBook that ships with Solaris software 3 Install a local graphics console on your server The server is shipped without a mouse keyboard monitor or frame buffer for the display of graphics To install a local graphics console on a server you must install a graphics frame buffer card into a PCI slot and attach a monitor mouse and keyboard to the appropriate back panel ports For detailed instructions see How to Configure a Local Graphics Console on page 26 Chapter 23 How to Attach an Alphanumeric Terminal Before You Begin If your server is configured without a local graphics console you need to
97. erprise 420R Server Service Manual October 1999 The following chart provides an overview of when to use the various diagnostic tools to diagnose hardware problems System boots yes Run POST ng POST failure Run SyMON Run SunVTS Replace part Run OBDiag OBDiag failure Software or disk problem Chapter 159 160 About Power On Self Test POST Diagnostics The POST diagnostic code resides in flash PROM on the main logic board The flash PROM that holds the POST code is known as the OpenBoot PROM OBP because it also holds the OpenBoot Diagnostic code POST tests the following system components each time the system is turned on or a system reset is issued CPU modules Memory modules a NVRAM m Main logic board POST reports its test results by flashing or steadily illuminating LEDs on the system s front panel If a keyboard is installed POST also displays test results on the keyboard LEDs See Error Indications on page 189 for more information about LEDs and error messages POST displays detailed diagnostic and error messages on a local terminal if one is attached to the system s serial port A For information about running POST see How to Use POST Diagnostics on page 161 Sun Enterprise 420R Server Service Manual October 1999 How to Use POST Diagnostics When you turn on the system power POST diagnostics run automatically i
98. ers of the memory module and pull it out of its socket 4 Place the module on an antistatic mat 5 Repeat Steps 2 through 4 for each memory module being removed What Next To install a memory module complete this task a How to Install a Memory Module on page 48 Chapter 47 How to Install a Memory Module Memory modules for this system are dual inline memory modules DIMMs Each DIMM bank must contain four DIMMs of equal density for example four 64 Mbyte DIMMs to function properly Supported DIMM configuration options are 32 64 and 256 Mbytes See the Sun Enterprise 420R Server Owner s Guide for more information about memory Configuration Rules The following memory configuration rules apply to your system m At least one memory bank all four bank slots must be filled for the system to boot a DIMMs must be added four at a time within the same bank a In the Sun Enterprise 420R server each memory bank comprises two slots on the main logic board and two slots on the memory riser card As you add memory fully populate a bank by inserting DIMMs into the two slots corresponding to that bank on both the main logic board and on the memory riser card a DIMM capacities can differ from one bank to the next for example four 64 Mbyte DIMMs installed in bank 0 and four 256 Mbyte DIMMs installed in bank 2 is permissible 48 Sun Enterprise 420R Server Service Manual October 1999 Refer to the following diagrams f
99. ese Batterie darf nur von einem qualifizierten Servicetechniker ausgewechselt werden da sie bei falscher Handhabung explodieren kann Werfen Sie die Batterie nicht ins Feuer Versuchen Sie auf keinen Fall die Batterie auszubauen oder wiederaufzuladen A Batterien Achtung Die Ger te Product Name enthalten auslaufsichere Bleiakkumulatoren Produkt Nr TLCO2V50 fiir portable Stromversorgung Werden bei der Behandlung oder beim Austausch der Batterie Fehler gemacht besteht Explosionsgefahr Batterie nur gegen Batterien gleichen Typs von Sun Microsystems austauschen Nicht demontieren und nicht versuchen die Batterie au erhalb des Ger ts zu laden Batterie nicht ins Feuer werfen Ordnungsgem f entsprechend den vor Ort geltenden Vorschriften entsorgen A Geh useabdeckung Sie m ssen die obere Abdeckung Ihres Sun Systems entfernen um interne Komponenten wie Karten Speicherchips oder Massenspeicher hinzuzuf gen Bringen Sie die obere Geh useabdeckung wieder an bevor Sie Ihr System einschalten A Achtung Bei Betrieb des Systems ohne obere Abdeckung besteht die Gefahr von Stromschlag und Systemsch den Einhaltung der Richtlinien fiir Laser Sun Produkte die mit Laser Technologie arbeiten entsprechen den Anforderungen der Laser Klasse 1 Class 1 Laser Product Luokan 1 Laserlaite Klasse 1 Laser Apparat Laser KLasse 1 CD ROM Steuerungen und Einstellungen oder die Durchfhrung von Prozeduren
100. eshooting This chapter describes the diagnostic tools available for the system and provides an introduction to using these tools The chapter also provides information about error indications and software commands to help you determine what component of the system you need to replace With the exception of internal disk drives in the Sun Enterprise 420R server all other component installation or replacement must be performed by a qualified service provider The following tasks are covered in this chapter How to Use POST Diagnostics on page 161 How to Use OpenBoot Diagnostics OBDiag on page 169 How to Set the Diagnostic Level for POST and OBDiag on page 182 How to Check Whether SunVTS Software Is Installed on page 185 How to Use SunVTS Software on page 186 Other information covered in this chapter includes About Diagnostic Tools on page 158 About Power On Self Test POST Diagnostics on page 160 About OpenBoot Diagnostics OBDiag on page 166 About SunVTS Software on page 183 About Sun Enterprise SYMON Software on page 188 About Troubleshooting Your System on page 189 About Diagnosing Specific Problems on page 205 157 About Diagnostic Tools The system provides both firmware based and software based diagnostic tools to help you identify and isolate hardware problems These tools include a Power on self test POST diagnostics OpenBoot Diagnos
101. essage Enter 0 11 tests 12 Quit 13 Menu gt 5 TEST parallel_port_test SUBTEST dma_read Enter 0 11 tests 12 Quit 13 Menu gt 176 Sun Enterprise 420R Server Service Manual October 1999 Serial Port A The serial port A diagnostic invokes the uart_loopback test which transmits and receives 128 characters and checks the transaction validity The following baud rates are tested in asynchronous mode 460800 307200 230400 153600 76800 57600 38400 19200 9600 4800 2400 and 800 The following example shows the serial port A output message when serial port A is being used for the tip connection Enter 0 11 tests 12 Quit 13 Menu gt TEST uarta_test UART A in use as console Test not run Enter 0 11 tests 12 Quit 13 Menu gt 6 The following example shows the serial port A diagnostic output message Ent BAU BAU BAU BAU BAU BAU BAU BAU BAU BAU BAU BAU BAU BAU er DRA DRA DRA DRA DRA DRA DRA DRA DRA DRA DRA DRA DRA DRA Enter 0 11 tests TEST uartb test E 1200 E 180 E 240 E 480 E 960 E 192 0 E 384 0 E 576 0 Or 0 00 00 E 76800 E 115200 E 153600 E 230400 E 307200 E 460800 0 11 tests 12 Q
102. f On On On CPU module 3 On Off On On No memory detected Off Off On On Memory bank 0 Off On On On Memory bank 1 On Off On On Memory bank 2 On On On On Memory bank 3 Off Off Off On NVRAM Note The Caps Lock LED flashes on and off to indicate that POST diagnostics are running all other LEDs are off When the LED lights steadily it indicates an error Chapter 191 Power Supply LEDs Power supply LEDs are visible from the front of the system when the doors are open The following figure shows the LEDs on the power supply in bay 1 00000000000000 GLI Power supply 1 Power supply 2 DC Status Green Fault Yellow AC Present Green 192 Sun Enterprise 420R Server Service Manual October 1999 The following table provides a description of each LED LED Name Icon Description DC Status Fault 1 AC Present This green LED is lit to indicate that all DC outputs from the power supply are functional This yellow LED is lit to indicate a fault in the power supply The powe
103. f any of the following conditions apply a The OpenBoot PROM variable diag switch is set to true when you power on the system a You hold down the keyboard s Stop and D keys as you power on the system Before You Begin You can view POST diagnostic and error messages locally on an attached terminal To view POST diagnostic and error messages on the local system you need to connect an alphanumeric terminal or establish a tip connection to another Sun system For more information see Section About Communicating With the Server or if you already have a console setup see How to Set Up a tip Connection on page 164 You must verify baud rates between a system and a monitor or a system and a terminal See How to Verify the Baud Rate on page 165 You can choose to run an abbreviated POST with concise error and status reporting or run an extensive POST with more detailed messages For more information see How to Set the Diagnostic Level for POST and OBDiag on page 182 If a console or a monitor is not connected to serial port A default port of a system to be tested the keyboard LEDs are used to determine error conditions See Error Indications on page 189 What to Do Ensure that the front panel keyswitch is in the Standby position You can initialize POST one of two ways a By setting the diag switch to true and the diag level to max or min followed by power cycling the system unit By simultane
104. ftware is not loaded you ll see an error message ERROR information for SUNWvts was not found If necessary use the pkgadd utility to load the SUNWvts package onto your system from the Sun Updates CD Note that opt SUNWvts is the default directory for installing SunVTS software What Next For more information refer to the appropriate Solaris documentation as well as the pkgadd reference manual page Chapter 185 How to Use SunVTS Software Before You Begin If your system passes the firmware based diagnostics and boots the operating system yet does not function correctly you can use SunVTS software the Sun Validation and Test Suite to run additional tests These tests verify the configuration and functionality of most hardware controllers and devices You must have root or superuser access to run SunVTS tests and the system must be booted to the multiuser level level 3 If you are not familiar with these or other basic UNIX commands and procedures such as shutting down the system booting the system and configuring devices you can find the information you need in the following sources m Solaris Handbook for Sun Peripherals a AnswerBook2 online documentation for the Solaris operating environment a Other software documentation that you received with your system What to Do This procedure assumes that you will test your Sun Enterprise 420R server remotely by running a SunVTS session from a wo
105. g table lists memory addressing for 4 way interleaving DIMM Size Quantity DIMM Bank Addressing 16 Mbyte 4 0 0 x 0000 0000 to 0 x Offf ff00 16 Mbyte 4 1 0 x 0000 0040 to 0 x Offf ff40 16 Mbyte 4 2 0 x 0000 0080 to 0 x Offf ff80 16 Mbyte 4 3 0 x 0000 0000 to 0 x Offf ffc0 32 Mbyte 4 0 0 x 0000 0000 to 0 x 1fff ff00 32 Mbyte 4 1 0 x 0000 0040 to 0 x 1fff ff40 32 Mbyte 4 2 0 x 0000 0080 to 0 x 1fff ff80 32 Mbyte 4 3 0 x 0000 00c0 to 0 x 1fff ffc0 64 Mbyte 4 0 0 x 0000 0000 to 0 x 3fff ff00 64 Mbyte 4 1 0 x 0000 0040 to 0 x 3fff ff40 64 Mbyte 4 2 0 x 0000 0080 to 0 x 3fff ff80 64 Mbyte 4 3 0 x 0000 00c0 to 0 x 8fff ffco 128 Mbyte 4 0 0 x 0000 0000 to 0 x 7fff ff00 128 Mbyte 4 1 0 x 0000 0040 to 0 x 7fff ff40 242 Sun Enterprise 420R Server Service Manual October 1999 DIMM Size Quantity DIMM Bank Addressing 128 Mbyte 4 2 0 x 0000 0080 to 0 x 7fff ff80 128 Mbyte 4 3 0 x 0000 00c0 to 0 x 7fff ffc0 256 Mbyte 4 0 0 x 0000 0000 to 0 x ffff ff00 256 Mbyte 4 1 0 x 0000 0040 to 0 x ffff ff40 256 Mbyte 4 2 0 x 0000 0080 to 0 x ffff ff80 256 Mbyte 4 3 0 x 0000 00c0 to 0 x ffff ffc0 Memory System Timing The QSC ASIC generates the memory addresses and control signals to the memory system The UPA clock is the clock source for the QSC ASIC and operates as fast as 120 MHz Graphics and Imaging The system takes advantage of UPA features to provide high performance graphics High performance graphics can include a vertical single buffe
106. gnostics OBDiag 166 How to Use OpenBoot Diagnostics OBDiag 169 How to Set the Diagnostic Level for POST and OBDiag 182 About SunVTS Software 183 How to Check Whether SunVTS Software Is Installed 185 How to Use SunVTS Software 186 About Sun Enterprise SYMON Software 188 About Troubleshooting Your System 189 About Diagnosing Specific Problems 205 A Connector Signal Descriptions 213 B System Specifications 225 C Functional Description 229 D Illustrated Parts Breakdown 261 xxiii Sun Enterprise 420R Server Service Manual October 1999 Preface The Sun Enterprise 420R Server Service Manual provides detailed procedures that describe the removal installation and replacement of serviceable parts and options in the Sun Enterprise 420R server This service manual also includes information about diagnostics and maintenance of the system This book is written for technicians system administrators qualified service providers and advanced computer system end users who have experience troubleshooting and replacing server hardware This manual presents information in a modular format designed to answer the type of questions that you might ask while servicing the Sun Enterprise 420R server Typically the modules cover specific tasks for a service related procedure for a specific component Service providers who would like more general information about the system should refer to the appropriate chapter or section in the Sun Ent
107. he top of the plastic cover with your fingers until the tab on the top of the cover disengages from the chassis 4 Loosen the two captive Phillips screws securing the removable media assembly to the chassis 5 Slide the removable media assembly out of the system chassis 6 Place the assembly on an antistatic mat What Next For information about removing drives from or installing drives into the removable media assembly see a How to Remove a CD ROM or Tape Drive on page 110 Chapter 105 a How to Install a CD ROM or Tape Drive on page 112 To replace the removable media assembly complete this task a How to Replace the Removable Media Assembly RMA on page 107 106 Sun Enterprise 420R Server Service Manual October 1999 How to Replace the Removable Media Assembly RMA Before You Begin Complete this task a How to Avoid Electrostatic Discharge on page 18 What to Do 1 Slide the removable media assembly into the system chassis Chapter 107 2 Tighten the two captive Phillips screws securing the removable media assembly to the system chassis 3 If necessary install one or more plastic filler panels into any empty drive bay openings in the RMA plastic cover Align the filler panel with its opening and press it into place 4 Replace the RMA plastic cover Align the two posts on the bottom of the cover with the corresponding holes at the front of the chassis and align th
108. hen Um die Stromschlaggefahr zu reduzieren schliefen Sie Sun Produkte nicht an andere Stromquellen an Ihr Betriebsleiter oder ein qualifizierter Elektriker kann Ihnen die Daten zur Stromversorgung in Ihrem Geb ude geben Achtung Nicht alle Netzkabel haben die gleichen Nennwerte Herk mmliche im Haushalt verwendete Verlangerungskabel besitzen keinen Uberlastungsschutz und sind daher fiir Computersysteme nicht geeignet Achtung Ihr Sun Ger t wird mit einem dreiadrigen Netzkabel f r geerdete Netzsteckdosen geliefert Um die Gefahr eines Stromschlags zu reduzieren schlie en Sie das Kabel nur an eine fachgerecht verlegte geerdete Steckdose an Die folgende Warnung gilt nur f r Ger te mit Wartezustand Netzschalter A xiii Achtung Der Ein Aus Schalter dieses Ger ts schaltet nur auf Wartezustand Stand By Modus Um die Stromzufuhr zum Ger t vollst ndig zu unterbrechen miissen Sie das Netzkabel von der Steckdose abziehen Schlie en Sie den Stecker des Netzkabels an eine in der N he befindliche frei zug ngliche geerdete Netzsteckdose an Schlie en Sie das Netzkabel nicht an wenn das Netzteil aus der Systemeinheit entfernt wurde Sun Enterprise 420R Server Service Manual October 1999 Lithiumbatterie Achtung CPU Karten von Sun verf gen ber eine Echtzeituhr mit integrierter Lithiumbatterie Teile Nr MK48T59Y MK48TXXB XX MK48T18 XXXPCZ M48T59W XXXPCZ oder MK48T08 Di
109. hgow Burlington MA 01803 0903 USA West Lothian EH49 7LR Scotland United Kingdom Tel 781 442 0006 Tel 1506 670000 Fax 781 442 1673 Fax 1506 760011 vi vii Sun Enterprise 420R Server Service Manual October 1999 Regulatory Compliance Statements Your Sun product is marked to indicate its compliance class e Federal Communications Commission FCC USA Department of Communications DOC Canada e Voluntary Control Council for Interference VCCI Japan e Bureau of Standards Metrology and Inspection BSMI Taiwan Please read the appropriate section that corresponds to the marking on your Sun product before attempting to install the product FCC Class A Notice This device complies with Part 15 of the FCC Rules Operation is subject to the following two conditions 1 This device may not cause harmful interference 2 This device must accept any interference received including interference that may cause undesired operation Note This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if it is not installed and used in accordance with the instruction manual it may cause harmful interference to radio communicatio
110. i font appel aux technologies lasers sont conformes aux normes de la classe 1 en la mati re Class 1 Laser Product Luokan 1 Laserlaite Klasse 1 Laser Apparat Laser KLasse 1 CD ROM r glages ou de performances de proc dures autre que celle sp cifi e dans le pr sent document peut provoquer une exposition des radiations dangereuses Attention L utilisation de contr les de Normativas de seguridad El siguiente texto incluye las medidas de seguridad que se deben seguir cuando se instale alg n producto de Sun Microsystems Precauciones de seguridad Para su protecci n observe las siguientes medidas de seguridad cuando manipule su equipo m Siga todas los avisos e instrucciones marcados en el equipo m Aseg rese de que el voltaje y la frecuencia de la red el ctrica concuerdan con las descritas en las etiquetas de especificaciones el ctricas del equipo m No introduzca nunca objetos de ning n tipo a trav s de los orificios del equipo Pueden haber voltajes peligrosos Los objetos extra os conductores de la electricidad pueden producir cortocircuitos que provoquen un incendio descargas el ctricas o da os en el equipo S mbolos En este libro aparecen los siguientes s mbolos Precauci n Existe el riesgo de lesiones personales y da os al equipo Siga las instrucciones contacto Las superficies est n calientes y i Precauci n Superficie caliente Evite el pueden cau
111. ifications to the equipment Sun Microsystems is not responsible for regulatory compliance of a modified Sun product Placement of a Sun Product Caution Do not block or cover the openings AN of your Sun product Never place a Sun product near a radiator or heat register Failure to follow these guidelines can cause overheating and affect the reliability of your Sun product level defined in DIN 45 635 Part 1000 must be Caution The workplace dependent noise 70Db A or less SELV Compliance Safety status of I O connections comply to SELV requirements Power Cord Connection A A A Caution Sun products are designed to work with single phase power systems having a grounded neutral conductor To reduce the risk of electric shock do not plug Sun products into any other type of power system Contact your facilities manager or a qualified electrician if you are not sure what type of power is supplied to your building Caution Not all power cords have the same current ratings Household extension cords do not have overload protection and are not meant for use with computer systems Do not use household extension cords with your Sun product Caution Your Sun product is shipped with a grounding type three wire power cord To reduce the risk of electric shock always plug the cord into a grounded power outlet The following caution applies only to devices with a Standby power switch A
112. in groups of four with two DIMMs being installed in a main logic board bank and the second set of two DIMMs being installed in the associated memory riser assembly bank The system reads from or writes to all four DIMMs in a bank at the same time The memory system see the following figure consists of four components the QSC ASIC the XB9 ASIC the CBT switching network and the memory module The QSC ASIC generates memory addresses and control signals to the memory module The QSC ASIC also coordinates the two 288 bit wide data bus MEM_DATO and MEM_DAT1 data transfers between the XB9 ASIC Coordination is provided by the BANK_SEL control signal to the CBT switching network The XB9 ASIC exchanges 144 bit wide bus data with the two CPU data buses UPA_DATAO and UPA_DATA1 exchanges 64 bit wide bus UPA_E_ DAT data with the two UPA graphic slots and exchanges 72 bit wide bus UPA_D_DAT data with the U2P ASIC This data is placed on a 576 bit wide bus and exchanged with the CBT switching network where it is divided on to two 276 bit wide data buses and exchanged with the memory module The following figures illustrates a functional block diagram of the memory system including DIMMs on the main logic board and the memory riser assembly Caution Failure to populate a memory bank with DIMMs of equal capacity will result in inefficient use of memory resource or system failure 236 Sun Enterprise 420R Server Service Manual
113. ing and unloading of memory data can take place in parallel with other operations Burst transfers operate on a doubleword of data per slice a A total of eight two entry first in first out FIFO devices for read data storage a Power up safe buses tristated QSC The QSC ASIC provides system control It controls the UPA interconnect between the major system components and main memory The QSC ASIC provides the following Interconnect packet receive Memory arbiter Non cached arbiter Memory controller Snoop interface Coherence controller S_register dispatcher Internet packet send Datapatch scheduler EBus interface PCIO The PCI to EBus Ethernet controller PCIO ASIC performs dual roles PCI bus to Ebus bridging and Ethernet control The PCIO ASIC provides the electrical connection between the PCI bus and all other I O functions In addition the PCIO ASIC contains an embedded Ethernet controller to manage Ethernet transactions and provides the electrical connection to slower on board functions such as the flash PROM and the audio module 254 Sun Enterprise 420R Server Service Manual October 1999 U2P The UPA to PCI bridge U2P ASIC provides an I O connection between the UPA bus and the two PCI buses The U2P ASIC features include Full master and slave port connection to the high speed UPA interconnect The UPA is a split address data packet switched bus that has a potential data throughput rate of greater than 1
114. ing items for the Sun Enterprise 420R server can be replaced at the customer site by a qualified service provider Note The part numbers listed in the following table are correct as of the service manual publication date but are subject to change without notice Consult your authorized Sun sales representative or service provider to confirm a part number prior to ordering a replacement part Category Part Part Number Main Logic Board Main Logic Board 501 5168 Components CPU Card Cage Not a FRU Air Guide Not a FRU NVRAM 525 1430 CPU Module 501 5539 CPU Filler Panel 330 2805 64 MB DIMM 501 4280 256 MB DIMM 501 4743 Memory Riser Assembly 501 5218 DC to DC Converter 300 1407 Backplanes UltraSCSI Backplane 501 5505 Power Distribution Board 501 5506 Storage Devices 9 GB 10K RPM UltraSCSI Disk Drive 540 3881 18 GB 10K RPM UltraSCSI Disk Drive 540 4177 12 24 GB 4mm DDS3 Tape Drive 370 2376 32X CD ROM Drive 370 3416 262 Sun Enterprise 420R Server Service Manual October 1999 Category Miscellaneous Assemblies Panels and Doors Internal Cables Part Fan Tray Assembly Power Supply PCI Filler Panel RMA Filler Panel Plastic Front Door Right Front Door Left RMA Bezel Plastic Key UltraSCSI Data Cable RMA SCSI Cable 1 0 Power Cable Control Cable Main Power Cable CPU Power Sense Cable Keyswitch Power Button LED Assembly Part Number 540 4169 300 1449 Not a FRU Not a FRU 540 4186 540
115. installed disk the system SCSI controllers have successfully probed the devices This indicates that the main logic board is working correctly If a disk does not respond make sure that each SCSI device on the SCSI bus has a unique SCSI target ID If the problem persists replace the unresponsive drive If the problem remains after replacing the drive replace the main logic board If the problem persists replace the associated SCSI cable and backplane Power Supply Failure If there is a problem with a power supply POST lights the general fault indicator and the power supply fault indicator on the front panel If you have more than one power supply then you can use the LEDs located on the power supplies themselves to identify the faulty supply The power supply LEDs indicate any problem with the AC input or DC output See Power Supply LEDs on page 192 for more information about the LEDs Chapter 209 210 DIMM Failure SunVTS and POST diagnostics can report memory errors encountered during program execution Memory error messages typically indicate the DIMM location number U number of the failing module Use the following diagrams to identify the location of a failing memory module from its U number DIMM mapping Main logic board Main logic board Side J4107 U1404 U1403 U1402 U1401
116. ion s A terminal or a graphics console is required for viewing system messages For information about connecting a terminal or a console see About Communicating With the Server on page 23 or your Sun Enterprise 420R Server Owner s Guide Caution Before you power on the system make sure that the system cover is properly installed and that the and doors are closed What to Do 1 Turn on power to any peripherals and external storage devices Read the documentation supplied with the device for specific instructions 2 Turn on power to the monitor or terminal 3 Turn the front panel keyswitch to the Power On Off position See About the Status and Control Panel on page 20 To run OpenBoot Diagnostics OBDiag tests to verify that the system functions correctly with the new part s you have just installed see About OpenBoot Diagnostics OBDiag on page 166 4 When the system banner is displayed on the terminal or console immediately enter the Stop a sequence on the Sun keyboard or press the Break key on the terminal keyboard The system banner contains the Ethernet address and host ID To enter the Stop a sequence hold down the Stop key and press the a key 6 Sun Enterprise 420R Server Service Manual October 1999 Note The system may take anywhere from 30 seconds to two minutes before the system banner appears This time depends on the level of power on self test POST diagnostics being performed
117. itch Settings on page 21 for information about each keyswitch setting Power On Off position Lo S TS OSOS OSOS OBESOS SSIS OEI 050503505050 5050 0809050 EIA OR OSOS 080930803080 220800060006 0209089 1020002000 Ha 095 Power button Note The system may take anywhere from 30 seconds to two minutes before video is displayed on the system monitor or the ok prompt appears on an attached terminal This time depends on the level of power on self test POST diagnostics being performed 4 Sun Enterprise 420R Server Service Manual October 1999 5 Turn the keyswitch to the Locked position Note The Locked position prevents accidentally powering off the system See Keyswitch Settings on page 21 for information about each keyswitch setting Locked position ENTERPRISE 420R OSUSOSISOSO SSSR S0EE 20200080 X 00202090 2200000 220 Dodo 2020202 080808080808 202000000000 OSO 20200080 Chapter 5 How to Initiate a Reconfiguration Boot Before You Begin After installing any internal or external storage device or any new part that plugs into the main logic board except CPU modules or DIMMs you must perform a reconfiguration boot so that your system is able to recognize the newly installed opt
118. k of the system before performing this procedure Attempting to remove the power distribution board while the AC power cord is plugged into a power source can result in serious personal injury Note You need to remove the system power supplies before attempting to remove the power distribution board What to Do Disconnect the control cable from the power distribution board at connector J0209 For information about cable connector locations see How to Connect the System Cables on page 130 Disconnect the I O power cable from the power distribution board at connector J0210 Disconnect the UltraSCSI data cable from the main logic board at connector J2101 Disconnect the main power cable from the power distribution board at connector J0201 Chapter 121 5 Disconnect the CPU power sense cable from the power distribution board at connector J0205 6 Disconnect the keyswitch power button LED cable from the power distribution board at connector J0500 7 Loosen the three captive Phillips screws that secure the power distribution board cover panel to the chassis 8 Remove the power distribution board cover panel a Tilt the panel toward the back of the system approximately 30 degrees Hold the cover panel by the edge nearest the chassis front b Gently pull the cover panel forward and up out of the system Set the power distribution cover panel aside N PS SSNS es SER S SSS
119. l true true screen columns 80 80 screen rows 34 34 silent mode false false use nvramrc false false 202 Sun Enterprise 420R Server Service Manual October 1999 nvramrc security mode none security password security badlogins 0 oem logo oem l1ogo false false oem banner oem banner false false hardware revision last hardware update diag switch true false OBP probe scsi and probe scsi all Commands To diagnose problems with the SCSI subsystem you can use the OBP probe scsi and probe scsi all commands Both commands require that you halt the system Note When it is not practical to halt the system you can use SunVTS software as an alternative method of testing the SCSI interfaces See About Diagnostic Tools on page 158 for more information The probe scsi command transmits an inquiry command to all SCSI devices connected to the main logic board SCSI interfaces These include any tape or CD ROM drive in the removable media assembly RMA any internal disk drive and any device connected to the external SCSI connector on the system back panel For any SCSI device that is connected and active its target address unit number device type and manufacturer name are displayed The probe scsi all command transmits an inquiry command to all SCSI devices connected to the system SCSI host adapters including any host adapters installed in PCI slots The first identifier listed in the display is the SCS
120. les and the U2P ASIC UPA address bus 2 UPA_AD2 Address Connects the QSC ASIC to the U2P ASIC UPA address bus 3 UPA_AD3 Address Connects the QSC ASIC to the UPA graphics UPA data bus 0 UPA_DATAO Data A bidirectional 144 bit data bus 128 bits of data and 16 bits of ECC that connects CPU modules 0 and 1 to the XB9 ASIC UPA data bus 1 UPA_DATA1 Data A bidirectional 144 bit data bus 128 bits of data and 16 bits of ECC that connects CPU modules 2 and 3 to the XB9 ASIC UPA data bus 2 UPA_D_DAT Data A 72 bit data bus 64 bits of data and 8 bits of ECC that connects the XB9 ASIC and the U2P ASIC UPA data bus 3 UPA_E_DAT Data A 64 bit data bus that connects the U2P ASIC and the UPA graphics 232 The following table lists UPA port identification assignments UPA Slot Number UPA Port ID lt 4 0 gt CPU module slot 0 0x0 CPU module slot 1 0x1 CPU module slot 2 0x2 CPU module slot 3 0x3 U2P ASIC Ox1F Sun Enterprise 420R Server Service Manual October 1999 eee lt P Bus UPA_AD1 UPA_DATA1 XB9 ASIC QSC ASIC UPA_ADDRBUS1 The following figure illustrates how the UPA address and data buses are connected between the UPA and the UPA clients CPU UPA ADO p modules 0 and 1 UPA_DATAO lt 35 UPA_AD2 U2P UPA D _ DAT a ASIC Bus UPA graphics 0 UPA graphics 1 UPA_AD3 UPA_E_DAT lt 28 0 gt UPA_E
121. marques d pos es de SPARC International Inc aux Etats Unis et dans d autres pays Les produits portant les marques SPARC sont bas s sur une architecture d velopp e par Sun Microsystems Inc L interface d utilisation graphique OPEN LOOK et Sun a t d velopp e par Sun Microsystems Inc pour ses utilisateurs et licenci s Sun reconna t les efforts de pionniers de Xerox pour la recherche et le d veloppement du concept des interfaces d utilisation visuelle ou graphique pour l industrie de l informatique Sun d tient une licence non exclusive de Xerox sur l interface d utilisation graphique Xerox cette licence couvrant galement les licenci s de Sun qui mettent en place l interface d utilisation graphique OPEN LOOK et qui en outre se conforment aux licences crites de Sun CETTE PUBLICATION EST FOURNIE EN L ETAT ET AUCUNE GARANTIE EXPRESSE OU IMPLICITE N EST ACCORDEE Y COMPRIS DES GARANTIES CONCERNANT LA VALEUR MARCHANDE L APTITUDE DE LA PUBLICATION A REPONDRE A UNE UTILISATION PARTICULIERE OU LE FAIT QU ELLE NE SOIT PAS CONTREFAISANTE DE PRODUIT DE TIERS CE DENI DE GARANTIE NE S APPLIQUERAIT PAS DANS LA MESURE OU IL SERAIT TENU JURIDIQUEMENT NUL ET NON AVENU be a Adobe PostScript Ob moe a Adobe PostScript Ob moe a Adobe PostScript Ob moe a Adobe PostScript Declaration of Conformity Compliance ID E420R Sun Enterprise 420R Server This product has been tested and complies with the
122. nales o perjudicar el funcionamiento del equipo Aviso de cumplimiento con requisitos de l ser Los productos Sun que utilizan la tecnolog a de l ser cumplen con los requisitos de l ser de Clase 1 Class 1 Laser Product Luokan 1 Laserlaite Klasse 1 Laser Apparat Laser KLasse 1 CD ROM Precauci n El manejo de los controles los A ajustes o la ejecuci n de procedimientos distintos a los aqu especificados pueden exponer al usuario a radiaciones peligrosas GOST R Certification Mark aly Nordic Lithium Battery Cautions Norge ADVARSEL Litiumbatteri MN Eksplosjonsfare Ved utskifting benyttes kun batteri som anbefalt av apparatfabrikanten Brukt batteri returneres apparatleverand ren Safety Agency Compliance Statements xviii Sverige VARNING Explosionsfara vid felaktigt A batteribyte Anv nd samma batterityp eller en ekvivalent typ som rekommenderas av apparattillverkaren Kassera anv nt batteri enligt fabrikantens instruktion Danmark ADVARSEL Litiumbatteri Eksplosionsfare ved fejlagtig h ndtering Udskiftning m kun ske med batteri af samme fabrikat og type Lev r det brugte batteri tilbage til leverand ren Suomi virheellisesti asennettu Vaihda paristo ainoastaan laitevalmistajan suosittelemaan tyyppiin H vit k ytetty paristo valmistajan ohjeiden mukaisesti VAROITUS Paristo voi r j ht jos se on xix Sun Enterprise 420R Server Service Man
123. nals are at TTL signal levels Parameter Min Max Vou high level output voltage 2 4 VDC Vor low level output voltage 0 4 VDC Vin high level input voltage 2 0 VDC Vi low level input voltage 0 8 VDC Remote Enable PowerOn A remote interface can enable the DC outputs with a low signal to the PowerOn input The signal is interfaced to the power supply through the main logic board and the power distribution board System Unit Power Budget The following subsections present the system unit power budget PCI Cards The system has four PCI card slots and a total power budget of 60 watts to power these slots The PCI slots are one of three power levels 7 5 watts 15 watts and 25 watts The power is provided from either the 3 3 VDC or 5 VDC voltage rails The 66 MHz PCI slot is 3 3 VDC only The sum of the power requirements for all the PCI cards must be less than 60 watts as listed in the following examples a Two 25 watt cards plus one 7 5 watt card equals 57 5 watts a One 25 watt card plus two 15 watt cards equals 55 watts m Four 15 watt cards equals 60 watts Note A graphics card installed in the second UPA slot results in an unusable PCI slot However the unusable PCI slot must be counted as a 15 watt PCI card for power budgeting Appendix 257 Internal Access Drive Bay The power budget of the internal access drive bay is not to exceed 1 0 amps at 5 VDC 1 5 amps at 12 VDC 23 watts per drive times 2 inte
124. nctional blocks Transmitter m Receiver m Clock generation module m Clock recovery module The 10BASE T section of the PHY IC consists of the 10 Mbps transceiver module with filters The 100BASE TX and 10BASE T sections share the following functional characteristics m PCS control m IEEE 802 3u auto negotiation The following sections provide brief descriptions of the following m Automatic negotiation Connectors Automatic Negotiation Automatic negotiation controls the cable when a connection is established to a network device It detects the various modes that exist in the linked partner and advertises its own abilities to automatically configure the highest performance mode of inter operation namely 10BASE T 100BASE TX or 100BASE T4 in half and full duplex modes The Ethernet port supports automatic negotiation At power up an on board transceiver advertises 100BASE TX in half duplex mode which is configured by the automatic negotiation to the highest common denominator based on the linked partner Appendix 249 External Cables The RJ45 Ethernet port supports a Category 5 UTP cable for the 100BASE TX and a Category 3 4 or 5 UTP cable for the 10BASE T operation Note The maximum cable segment lengths for the 100BASE TX and 10BASE T are 109 yards 100 meters and 1094 yards 1000 meters respectively SCSI The system implements a small computer system interface SCSI FastWide 20 UltraSCSI p
125. nd Chassis ground Chassis ground Chassis ground Chassis ground Signal ground Signal ground Signal ground Sun Enterprise 420R Server Service Manual October 1999 APPENDIX B System Specifications This appendix provides product specifications for the Sun Enterprise 420R server a Physical Specifications on page 226 a Electrical Specifications on page 226 a Environmental Specifications on page 227 225 Reference for System Specifications Physical Specifications The dimensions and weight of the system are as follows Specification U S A Metric Height 7 00 inches 17 8 centimeters Width 17 25 inches 43 8 centimeters Depth 27 25 inches 69 2 centimeters Weight approximate 65 pounds 34 kilograms Electrical Specifications The electrical specifications of the system are as follows Parameter Input Nominal Frequencies Nominal Voltage Range Maximum Current AC RMS AC Operating Range Ou tputs 5 1 VDC 3 3 VDC2 5 VDC 12 VDC 12 VDC Maximum DC Power Output Value 50 Hz or 60 Hz nominal 100 to 240 VAC 6 3 A 100 VAC 90 to 264 Vrms 47 to 63Hz 0 1 to 1 A 3 to 50 A 3 to 40 A 0 5 to 5 A 0 to 0 5 A 380 Watts 226 Sun Enterprise 420R Server Service Manual October 1999 Parameter Maximum AC Power Consumption Maximum Heat Dissipation Volt Ampere Rating Value 610 Watts 2080 BTUs hr 630 VA with 380 Watt load
126. nds on which version of the Solaris operating environment is running on your system Chapter 195 prtdiagoutput ok usr platform sun4u sbin prtdiag v System Configuration Sun Microsystems sun4u Sun Enterprise 420R 4 X UltraSPARC II 450MHz System clock frequency 113 MHz Memory size 256 Megabytes CPUs Run Ecache CPU CPU Brd CPU Module MHz MB Impl Mask 0 0 0 450 4 0 US II 10 0 0 1 1 450 4 0 US II 10 0 0 2 2 450 4 0 US II 10 0 0 3 3 450 4 0 US II 10 0 IO Cards Bus Brd Type MHz Slot Name Model 0 PCI 33 1 network SUNW hme 0 PCI 33 3 scsi glm disk block Symbios 53C875 0 PCI 33 3 scsi glm disk block Symbios 53C875 No failures found in System HW Revisions ASIC Revisions PCI pci Rev 4 Cheerio ebus Rev 1 System PROM revisions OBP 3 23 0 1999 06 30 13 53 POST 1 2 7 1999 05 24 17 33 ok Solaris eeprom Command The eeprom command is a UNIX shell command You invoke it to list the names and current values of the OpenBoot PROM configuration variables stored in system NVRAM You can also use the eeprom command to set new values for the OpenBoot PROM configuration variables To run the eeprom command 1 Boot the operating system 196 Sun Enterprise 420R Server Service Manual October 1999 2 Become root 3 Type the following command at the command line prompt eeprom o ol scsi initiator id 7 keyboard click false
127. ng the system Sun Enterprise 420R Server Owner s Guidee features and options setup and installation troubleshooting and network adminstration for the system Late breaking product news and Sun Enterprise 420R Server Product Notes information Performing diagnostic tests SunVTS User s Guide SunVTS Quick Reference Card SunVTS Test Reference Manual Sun Enterprise SYMON User s Guide System and network administration Solaris System Administrator AnswerBook SPARC Installing Solaris Software Using operating system software Solaris User s Guide Miscellaneous Solaris on Sun Hardware AnswerBook Solaris Handbook for Sun Peripherals Solaris 7 Sun Hardware Platform Guide Accessing Sun Documentation Online The docs sun comM web site enables you to access Sun technical documentation on the Web You can browse the docs sun com archive or search for a specific book title or subject at http docs sun com xxvii Sun Enterprise 420R Server Service Manual October 1999 Sun Welcomes Your Comments We are interested in improving our documentation and welcome your comments and suggestions You can email your comments to us at docfeedback sun com Please include the part number 8xx xxxx xx of your document in the subject line of your email xxviii xxix Sun Enterprise 420R Server Service Manual October 1999 CHAPTER 1 Preparing to Service the System This chapter tells you what you need to know abo
128. ns Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense Shielded Cables Connections between the workstation and peripherals must be made using shielded cables to comply with FCC radio frequency emission limits Networking connections can be made using unshielded twisted pair UTP cables Modifications Any modifications made to this device that are not approved by Sun Microsystems Inc may void the authority granted to the user by the FCC to operate this equipment DOC Class A Notice Avis DOC Classe A This Class A digital apparatus meets all requirements of the Canadian Interference Causing Equipment Regulations Cet appareil num rique de la classe A respecte toutes les exigences du R glement sur le mat riel brouilleur du Canada VCCI SEIS DUNT DIAANCCI BHICDWVT IDA ANCCIORARRHSI YAF Y A BEN TT a ld Y 7 AA MRE ECT CNSOWAICIL FAOMANEMLETS TOREJ THLE eS eB wa EB tl hk VCCI OLE lt VDA ABBR CS CORE CAPER CA SS CRUE ES SCT EI EN HORT COMA AA HMR ER T SEI BRANSCEMBVET viii BSMI Class A Notice The following statement is applicable to products shipped to Taiwan and marked as Class A on the product compliance abel SAP HS ER PANNES RUE gt TA QA RAE TE gt SBR PAS CRUE gt ix Sun Enterprise 420R Server Service Manual October 1999 Safety Agency Compliance Statement
129. nstall a PCI Card on page 61 26 Sun Enterprise 420R Server Service Manual October 1999 2 Attach the monitor video cable to the graphic card s video port Tighten the thumbscrews to secure the connection 00 0000 0000 0000 0000 0000000000000000 0000 0000 0000 0000 0000 0000000000000 900 0000 0000 0000 0000 0000000000 000 000 0000 0000 0000 0000 0000 0000 00000 00 00 00 0000 0000 0000 0000 00000000000000 00 0000 0000 00 00 0000 0000 0000 000000 000 90 0000 0000 0000 0000 0000000000000000 0000 0000 0000 0000 000 0000 0000 0000 0000 0000000000000 0000000 0000 0000 0000 900 0000 0000 00000000 00000000 B Ww 0000000000000000 000000000000 e e Ja 0000000000000000000000000000 o x S Tre O E we Z Y Ec PCI 4 PCI3 00 0000 0000 0000 0000 0000 0000 00000000 0000000 000 00 0000 0000 0000 0000 0000 0000 00000 0000000 0 000000 0000 0000 0000 0000 0000 00000000 00000 C 3 Connect the monitor s power cord to an appropriate AC power outlet Chapter 27 4 Connect the keyboard cable to the server s keyboard mouse port 90 0000 0000 0000 0000 0000000000000000 0000 0000 0000 000000000000 000000000 000 0000 0000 0000 0000 0000000000 000 000 0000 0000 0000 0000 0000 0000 00000 00 00 pas 0000000000 0000 0000 0000000000000000 0000 0000 0000 0000 0000 0000 000000 000 al 00 0000 0000 0000 0
130. nter 0 11 tests 12 Quit 13 Menu TEST selftest Enter 0 12 tests 13 Quit 14 Menu All Above The all above diagnostic validates the system The following example shows the all above diagnostic output message Note The all above diagnostic stalls if the tip line is installed on serial port A or serial port B Chapter 179 an Enter E 0 11 tests 12 Quit 13 Menu gt 11 all_pci cheerio_test vendor_id_test device_id_test mixmode read e2 class test status_reg_walk1 line_size_walk1 latency_walkl line_walk1 c wW w wW w w w ww www A a et n H un E un pin_test all_dma ebus_test e w E n dma_reg_test c Ww E un dma_func_test ethernet_test my_channel_reset hme_reg_test ES T global_regl_test global_reg2_test bmac_xif_reg_test bmac_tx_reg_test mif_reg_test mac_internal_loopback_test 10mb_xcvr_loopback_test c D amp A o o amp W oo X o o E 0p ae wot n ep keyboard_test 100mb_phy_loopback_test UBTES EST mouse_test internal_loopback UBTES OBD nw mouse_loopbac IAG_MFG_START EST mouse_test ATUS
131. ogic board back panel UltraSCSI Connector Diagram 4 35 34 O000000000000000000000000000000000 o 0000000900 00000000000000000000000 68 UltraSCSI Connector Signals Pin Signal Name Description 1 Gnd Ground 2 Gnd Ground 3 NC Not connected 4 Gnd Ground 5 Gnd Ground 6 Gnd Ground 7 Gnd Ground 8 Gnd Ground 9 Gnd Ground 10 Gnd Ground 11 Gnd Ground 12 Gnd Ground 13 Gnd Ground 14 Gnd Ground 15 Gnd Ground Appendix 219 Pin Signal Name Description 16 Gnd Ground 17 TERMPOWER Termpower 18 TERMPOWER Termpower 19 NC Not connected 20 Gnd Ground 21 Gnd Ground 22 Gnd Ground 23 Gnd Ground 24 Gnd Ground 25 Gnd Ground 26 Gnd Ground 27 Gnd Ground 28 Gnd Ground 29 Gnd Ground 30 Gnd Ground 31 Gnd Ground 32 Gnd Ground 33 Gnd Ground 34 Gnd Ground 35 SCSI_B_DAT lt 12 gt Data 12 36 SCSI_B_DAT lt 13 gt _ Data 13 37 SCSI_B_DAT lt 14 gt _ Data 14 38 SCSI_B_DAT lt 15 gt _ Data 15 39 SCSI_B_PAR lt I gt Parity 1 40 SCSI_B_DAT lt 0 gt _ Data 0 41 SCSI_B_DAT lt 1 gt _ Data 1 42 SCSI_B_DAT lt 2 gt _ Data 2 43 SCSI_B_DAT lt 3 gt _ Data 3 220 Sun Enterprise 420R Server Service Manual October 1999 Pin 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 Signal Name SCSI_B_DAT lt 4 gt _ SCSI_B_DAT lt 5 gt _ SCSI_B_DAT lt 6 gt _ SCSI_B_DAT lt 7 gt _ SCSI_B_PAR lt 0 gt Gnd NC TERMPOWER_B TER
132. ollowing example boot the operating system log on as root and enter the following commands eeprom banner name Sun Enterprise 420R eeprom enclosure type 540 4115 eeprom energystar enabled false o oP ol A Sun Enterprise 420R Server Service Manual October 1999 Verify the variable settings by running the eeprom command without any parameters as shown in the following example eeprom o ol scsi initiator id 7 keyboard click false keymap data not available ttyb rts dtr of fals ttyb ignore cd t ru ttya rts dtr of fals ttya ignore cd t ru ttyb mode 9600 8 n 1 ttya mode 9600 8 n 1 pcia probe list 1 pcib probe list 1 3 2 4 5 enclosure type 540 4115 banner name Sun Enterprise 420R energystar enabled fals mfg mode off diag level min power cycles 35 system board serial 5014450071228 system board date 371c1bc9 fcode debug fals output device screen input device keyboard load base 16384 boot command boot auto boot true watchdog reboot fals diag file data not available diag device net boot file data not available boot device disk net local mac address fals ansi terminal true screen columns 80 screen rows 34 silent mode fals use nvramrc false Chapter 199 OBP printenv Command To display the names current values and default values of the OpenBoot PROM configuration variables stored in NVRAM enter the OB
133. olves software commands for preparing the system prior to installing the disk drive See your Sun Enterprise 420R Server Owner s Guide 2 If you are not hot plugging the disk drive halt the operating system and turn off system power See How to Power Off the System on page 2 100 Sun Enterprise 420R Server Service Manual October 1999 3 Push the disk drive latch to the right to release the disk drive handle 4 Align the disk drive to its drive bay Orient the drive so that the drive handle s hinge is on the left side of the drive bay Note If you are reinstalling a drive that you previously removed be sure to reinstall the drive in the same bay from which it was removed 5 Holding the drive by its handle fit the drive into the guide rails at the left and right of the drive bay 6 Slide the drive into the bay until it lightly contacts the backplane 7 Press carefully on the center of the drive and watch as the handle begins to close The drive handle begins to close as the drive engages its backplane connector 8 Press the handle firmly toward the drive until the latch closes securing the drive in the bay Chapter 101 102 9 10 Close and lock the system doors Turn the keyswitch to the Locked position This locks the system front doors preventing access to the power supply s and to the disk drive s If you are performing a hot plug installation complete the software part of the install
134. on page 130 Connect the main power cable to the power distribution board at connector J0201 Connect the CPU power sense cable to the power distribution board at connector J0205 Sun Enterprise 420R Server Service Manual October 1999 9 Connect the keyswitch power button LED cable to the power distribution board at connector J0500 10 Connect the I O power cable to the power distribution board at connector J0210 11 Connect the UltraSCSI data cable to the main logic board at connector J2101 What Next To reassemble the system complete these tasks a How to Replace the Fan Tray Assembly on page 143 a How to Install a Power Supply on page 138 Chapter 129 130 How to Connect the System Cables This section provides an overview of cable connector locations and cable routing Removing and replacing specific cables is covered within the removal and replacement process of the assemblies with which these cables are associated Before You Begin Complete these tasks How to Power Off the System on page 2 How to Position the System for Service on page 8 a a a How to Remove the System Cover on page 14 a How to Avoid Electrostatic Discharge on page 18 What to Do Identify the cable that you want to install or replace Use the information in the following table and illustrations to determine where to connect each end of the cable Install the cable according to th
135. on the Test Selection panel For each hardware device on your system there is an associated SunVTS test 5 Fine tune your testing session by selecting only the tests you want to run Click to select and deselect tests A check mark in the box indicates the item is selected To select or deselect all the tests in the Memory group dE i eee To select or deselect individual memory tests Results If SunVTS tests indicate an impaired or defective part see the procedures in this service manual or contact your qualified Sun service provider to replace the defective part Chapter 187 About Sun Enterprise SYMON Software Sun Enterprise SYMON software is a GUI based diagnostic tool designed to monitor system hardware status and UNIX operating system performance It offers simple yet powerful monitoring capabilities that allow you to a Diagnose and address potential problems such as capacity problems or bottlenecks a Display physical and logical views of your exact server configuration m Monitor your server remotely from any location in the network a Isolate potential problems or failed components For instructions about installing and using Sun Enterprise SYMON software see the Sun Enterprise SyMon User s Guide See the Web site www sun com symon for current software and documentation information 188 Sun Enterprise 420R Server Service Manual October 1999 About Troubleshooting Your System The system provides
136. on the same PCI slot SCSI A is used to interface to internal devices SCSI B is used to interface to external devices Sun Enterprise 420R Server Service Manual October 1999 PCIO ASIC The PCI to EBus Ethernet controller PCIO ASIC bridges the PCI bus to the EBus enabling communication between the PCI bus and all miscellaneous I O functions as well as the connection to slower on board devices The PCIO ASIC also embeds the Ethernet controller For a brief description of the PCIO ASIC see PCIO on page 254 UltraSPARC II Processor The UltraSPARC II processor is a high performance highly integrated superscalar processor implementing the SPARC V9 64 bit RISC architecture The UltraSPARC II processor is capable of sustaining the execution of up to four instructions per cycle even in the presence of conditional branches and cache misses This sustained performance is supported by a decoupled prefetch and dispatch unit with instruction buffer The UltraSPARC II processor supports both 2D and 3D graphics as well as image processing video compression and decompression and video effects through the sophisticated visual instruction set VIS VIS provides high levels of multimedia performance including real time video compression decompression and two streams of MPEG 2 decompression at full broadcast quality with no additional hardware support The UltraSPARC II processor module provides a second level cache of up to 4 Mb
137. onsole operation 33 MHz operation 3 3 VDC and 5 VDC supply voltage Appendix 255 SuperlO The SuperlO is a commercial off the shelf component that controls the keyboard diskette and parallel port interfaces It contains a DMA driven diskette controller two serial port controllers an IEEE 1284 parallel port interface and an IDE disk interface not currently used The SuperlO drives the various ports directly with some EMI filtering on the keyboard and parallel port signals Support for mixed voltage modes and power management features for low power operation are also included Features of the SuperlO include a Two independent serial ports used for keyboard and mouse m IEFE 1284 parallel port interface Power Supply The system unit uses a 380 watt power supply that operates under the voltage range of 90 to 264 volts root mean square Vrms and a frequency range of 47 to 63 Hz The maximum input current is 6 3 The power supply continues to regulate all outputs for 20 milliseconds after AC power is removed Output Voltage VDC Max Current A Regulation Band 1 3 3 50 0 3 23 to 3 43 2 5 0 40 0 4 95 to 5 15 3 12 0 5 0 11 40 to 12 60 4 12 0 0 5 12 60 to 11 40 5 5 1 1 0 4 95 5 25 Note The combined power of output 1 and output 3 must be less than 320 watts 256 Sun Enterprise 420R Server Service Manual October 1999 Control Signals With the exception of the PowerOn signal all power supply control sig
138. oooooooo0 ODO Je 2d ed MERE 7 Slide the system smoothly into the rack until the flat spring catches stop the system 36 Sun Enterprise 420R Server Service Manual October 1999 Gh EN Jeavavavssss 0000s sc00 00005505557 50005 gt Serer tree 8 Simultaneously press in on both flat spring catches and finish sliding the system completely into the rack 37 Chapter 9 Tighten the four captive screws securing the system to the left and right vertical rails at the front of the rack Use a Phillips 2 screwdriver to tighten the captive screws which are in recessed access holes in the filler panels affixed to the system s front panel o 00000000000 ooo S 10 Reconnect every external cable previously attached to the back panel of the system As you reconnect each cable check it for information indicating the cable s origin and its terminating connection 11 Reattach close and lock the rack door s as appropriate What Next To power on the system see a How to Power On the System on page 3 38 Sun Enterprise 420R Server Service Manual October 1999 CHAPTER 2 Servicing the Main Logic Board and Components This chapter describes how to remove and replace the system main logic board and main logic board components For a list of part numbers for field
139. or memory locations in your system DIMM mapping Main logic board J4107 U1404 U1403 U1402 U1401 U1304 Main logic U1303 board Front U1302 U1301 CPU module J0101 BANK 3 U0403 U0404 BANK 2 U0401 U0402 BANK 1 U0303 U0304 BANK 0 U0301 U0302 Chapter 49 System Memory Interleaving Whenever memory banks 0 and 1 are populated with identical capacity DIMMs memory reads and writes are automatically interleaved between the two banks This is called two way interleaving Two way interleaving significantly reduces the average memory latency thus improving overall system performance When all four banks contain identical capacity DIMMs the system interleaves across all four banks called four way interleaving to further reduce average memory latency For maximum performance install identical capacity DIMMs in all four memory banks The following table lists how to best populate the memory banks when configuring a server for 512 Mbytes of memory Memory Performance
140. ord s is disconnected from the back of the system before performing this procedure Attempting to replace the power distribution board while the AC power cord is plugged into a power source can result in serious personal injury What to Do Position the power distribution board in the chassis floor You may need to adjust the cable attached to the center AC power connector assembly so that it does not interfere with the positioning of the power distribution board Chapter 125 2 Replace the seven Phillips screws that secure the board to the chassis 126 Sun Enterprise 420R Server Service Manual October 1999 3 Replace the AC power connector assembly and the cable attached to it Use a Phillips 2 screwdriver Chapter 127 128 4 Replace the power distribution board cover panel a Position the cover in place over the system chassis Hold the cover at an approximately 30 degree angle from the chassis aligning the slots on the cover with the tabs on the main logic board mounting plate b Lower the cover into place X SESON SANS REECE PS RON REO SS Tighten the three captive Phillips screws that secure the power distribution board cover to the system chassis Connect the control cable to the power distribution board at connector J0209 Connectors are keyed and attach in only one way For information about cable connector locations see How to Connect the System Cables
141. ously pressing the keyboard Stop and D keys while power is applied to the system unit Chapter 161 To set the diag switch to true and power cycle the system unit 1 When the ok prompt is displayed type the following command ok setenv diag switch true 2 At the Type 6 keyboard power cycle the system by simultaneously pressing the Shift key and the Power key After a few seconds press the Power key again or press the Power button on the system once Note The keyswitch must be set to the Power On Off position 162 Sun Enterprise 420R Server Service Manual October 1999 The system runs the POST diagnostics POST displays status and error messages on the system console For more information see the Results section below Upon successful completion of POST the system runs OBDiag For more information about OBDiag see About OpenBoot Diagnostics OBDiag on page 166 and How to Use OpenBoot Diagnostics OBDiag on page 169 Results While POST is running you can observe its progress and any error indications in the following locations m System console or through a tip connection m Front panel fault LEDs m Keyboard LEDs if a keyboard is present Observing POST in Progress As POST runs it displays detailed diagnostic status messages on the system console If POST detects an error it displays an error message on the system console that indicates the failing part A sample error message is provi
142. outed through the SCSI subassembly to connect to the terminator on the SCSI backplane card in support of the multi host configuration The following figure shows the functionality of the internal SCSI subassembly 68 pin external SCSI connector Main Logic Board SCSI controller 3 E E SCSI bus SCSI ID Selection 68 pin cable CD ROM drive connector Drive power IDC connector SCA 2 connector 2 Oty IDC connector 80 conductor cable Test edge connector IDC receptacle connector Board mounted right angle IDC plug The main logic board host adapter is assigned the SCSI identification of 7 for both ports The two internal drives attached to the SCA 2 connectors have a SCSI identification of 0 and 1 while the CD ROM has an identification of 6 ASICs The system achieves a high level of integration through application specific intergrated circuits ASICs The following ASICs are highlighted and are described in the following subsections m XB9 Py QSC a PCIO Appendix 253 U2P m RISC XB9 The XB9 ASIC is a buffered memory crossbar device that acts as the bridge between the six system buses The six system buses include two processor buses a memory data bus a graphics bus and two I O buses The XB9 ASIC provides the following m Six port crossbar Decoupled memory port load
143. ower Off the System Caution Before turning off system power halt the operating system as described below Failure to halt the operating system properly can result in loss of disk drive data Note If the system hangs and you cannot issue an operating system command to turn the system power off turn the keyswitch to the Standby position This turns off power to all internal system components For further information on keyswitch positions see Keyswitch Settings on page 21 What to Do Notify users that the system will be powered down Back up the system files and data if necessary Halt the operating system using the appropriate commands Refer to the Solaris Handbook for Sun Peripherals that corresponds to your operating system Wait for the system halt messages and the ok prompt Turn the keyswitch on the front panel of the system to the Standby position Standby position RISI 420R 03 0505250 so 052525250585 060620060200 62004260606060606060 0902030308030303030908030303030 108020806080 2080 2080 20300080 2030 000900000 1 00000000000 0000000000000000 0000 L NN 0000000 000000900 0000000000000000 80808080 1020800080 20800030 20800030 a e 20895 989895989303 J Sun Enterprise 420R Server Service Manual October 1999 gt q How to Power On the System Before You Begin If a t
144. ower Supplies in your Sun Enterprise 420R Server Owner s Guide If your system has only one power supply complete this task a How to Power Off the System on page 2 What to Do 1 Identify the power supply that you want to remove 2 Unlock the system doors and swing them open Turn the keyswitch to the Power On Off position This unlocks the system front access doors 3 Loosen the Phillips screw that secures the power supply retaining clip until you can push the clip upward 4 Using your thumb push up the retaining clip until it clears the power supply Caution Keep the thumb holding the retainer clip up clear of the power supply as you slide it out from its bay 136 Sun Enterprise 420R Server Service Manual October 1999 5 With your other hand rotate the power supply handle so that it is perpendicular to the front face of the unit Pe ZEK AX y QIL 6 Pull out the power supply in a smooth motion until the unit is free of the bay Note When removing a hot pluggable power supply do not disengage and reengage the supply in rapid succession 7 If you have removed a redundant power supply and are not replacing it immediately install a power supply filler panel The filler panel maintains proper system cooling and prevents electromagnetic interference Align the filler panel over the empty bay and push it into place 8 Tighten the Phillips screw on the power supply re
145. pe devices vmem Tests the virtual memory a combination of the swap partition and the physical memory Chapter 183 For More Information The following documents provide information about SunVTS software They are available on the Solaris on Sun Hardware AnswerBook This AnswerBook documentation is provided on the Sun Updates CD for the Solaris release you are running m SunVTS User s Guide This document describes the SunVTS environment including how to start and control the various user interfaces SunVTS features are described in this document m SunVTS Test Reference Manual This document contains descriptions of each test SunVTS software runs in the SunVTS environment Each test description explains the various test options and gives command line arguments m SunVTS Quick Reference Card This card gives an overview of the main features of the SunVTS Open Look interface 184 Sun Enterprise 420R Server Service Manual October 1999 How to Check Whether SunVTS Software Is Installed SunVTS software is an optional package that may or may not have been loaded when your system software was installed Before You Begin To check whether SunVTS software is installed you must access your system either from a console or from a remote machine logged in to the system What to Do Type the following pkginfo 1 SUNWvts m If SunVTS software is loaded information about the package will be displayed m If SunVTS so
146. pped with the system To read keyboard LEDs you must obtain a keyboard of the appropriate type see the following graphic and connect it to the keyboard mouse port on the system s back panel Stop D key reel Lock med Lock Caps Lock LED Shift key Caps Lock LED Compose UNIX keyboard standard LED To indicate the beginning of POST diagnostics the four LEDs briefly light all at once The monitor screen remains blank and the Caps Lock LED flashes for the duration of the testing If the system passes all POST diagnostic tests all four LEDs light again and then go off Once the system banner appears on the monitor screen the keyboard LEDs assume their normal functions and should no longer be interpreted as diagnostic error indicators If the system fails any test one or more LEDs will light to form an error code that indicates the nature of the problem 190 Sun Enterprise 420R Server Service Manual October 1999 Note The LED error code may be lit continuously or for just a few seconds so it is important to observe the LEDs closely while POST is running The following table provides error code definitions Caps Lock Compose Scroll Lock Num Lock Failing FRU On Off Off Off Main logic board Off On Off Off CPU module 0 Off On Off On CPU module 1 Off On On Off CPU module 2 Of
147. provides 16 byte FIFO buffering Data is asynchronously exchanged with the keyboard and mouse at 1200 baud Keyboard current is limited to 700 milliamperes mA by a resettable fuse Only the Sun Type 5 keyboard is supported Parallel port DB 25 Parallel EMI gt port filter SuperlO Serial EMI port filter Keyboard and mouse DIN 8 Parallel Port The parallel port is supported by an IEEE 1284 compatible parallel port controller that is located on the SuperlO component The parallel port controller is a PC industry standard controller that achieves a 2 megabits per second Mbps data transfer rate The parallel port controller interface supports the ECP protocol as well as the following m Centronics Provides a widely accepted parallel port interface Compatibility Provides an asynchronous byte wide forward host to peripheral channel with data and status lines used according to their original definitions Appendix 245 246 a Nibble mode Provides an asynchronous reverse peripheral to host channel under control of the host Data bytes are transmitted as two sequential four bit nibbles using 4 peripheral to host status lines Parallel Port Cables The parallel port cable is IEEE1284 compliant and comprises 18 pairs of signal wires that are double shielded with braid and foil The maximum length of the parallel port cable is 2 2 yards 2 meters Electrical Characteristics Drivers operate
148. ques d lectrocution ne pas brancher de produit Sun dans un autre type d alimentation secteur En cas de doute quant au type d alimentation lectrique du local veuillez vous adresser au directeur de l exploitation ou un lectricien qualifi Attention les produits Sun sont con us pour xv Sun Enterprise 420R Server Service Manual October 1999 A Attention tous les cordons d alimentation n ont pas forc ment la m me puissance nominale en mati re de courant Les rallonges d usage domestique n offrent pas de protection contre les surcharges et ne sont pas pr vues pour les syst mes d ordinateurs Ne pas utiliser de rallonge d usage domestique avec votre produit Sun Attention votre produit Sun a t livr quip d un cordon d alimentation 4 trois fils avec prise de terre Pour carter tout risque d lectrocution branchez toujours ce cordon dans une prise mise la terre L avertissement suivant s applique uniquement aux syst mes quip s d un interrupteur VEILLEUSE A Attention le commutateur d alimentation de ce produit fonctionne comme un dispositif de mise en veille uniquement C est la prise d alimentation qui sert mettre le produit hors tension Veillez donc installer le produit proximit d une prise murale facilement accessible Ne connectez pas la prise d alimentation lorsque le ch ssis du syst me n est plus aliment Batterie a
149. r 340 6091 Electrostatic discharge mat Sun part number 250 1088 or equivalent Grounding wrist or foot strap The latter two items help protect the server against damage due to electrostatic discharge For more information see How to Avoid Electrostatic Discharge on page 18 Chapter 29 How to Remove the System From the Rack You must remove the system from the rack when removing and replacing the main logic board You can perform all other procedures while the system is still attached to the rails extended from the rack If you want to remove the system from the rack for any other reason follow the instructions in this section tip legs and adjust their stabilizing feet to the floor Level and secure the cabinet to n Caution Unless the rack is bolted to the floor you must extend the cabinet s anti provide a safe working environment Caution The chassis is heavy Two people are required to remove the system from the rack enclosure in the following procedure Before You Begin Complete these tasks m Identify a helper to assist you in removing the system a How to Position the System for Service on page 8 Discuss the task and verify that your helper can safely lift and carry 34 lbs 17 kg which is approximately half the weight of a fully equipped system Review the steps in the next section with your helper beforehand and discuss how to coordinate your efforts to ensure your mutual safety
150. r Average Seek Time Dimension Disk Drive Capacity Wide RPM read write 1 00 inch 9 1 Gbytes Yes 10K 5 4 msec 6 2 msec 2 54 cm 1 00 inch 18 Gbytes Yes 10K 7 5 msec 8 5 msec 2 54 cm The 9 Gbyte 10K rpm Disk Drive Specifications SCA Interface part number 805 5637 provides installation instructions power requirements and performance data for the 9 1 Gbyte hard drive The 18 Gbyte 10K rpm Disk Drive Specifications part number 806 1057 provides installation instructions power requirements and performance data for the 18 Gbyte 10K rpm hard drive Other Peripheral Assembly Options The system supports other peripheral assembly options that can be installed in the system in lieu of the CD ROM drive These options can include the 4 Gbyte 4 mm DDS2 tape drive the 12 24 Gbyte 4 mm DDS3 tape drive the 8705 7 Gbyte 8 mm tape drive the 4 8 Gbyte tape drive and the 14 Gbyte tape drive For a listing of all optional components refer to the product guide 244 Sun Enterprise 420R Server Service Manual October 1999 Keyboard and Mouse Port and Parallel Port The keyboard and mouse diskette and parallel port interfaces are managed by the SuperlO component For a brief description of the SuperlO see SuperlO on page 256 Keyboard and Mouse Port The keyboard and mouse are connected to an 8 pin DIN connector located on the main logic board and to two serial ports on the SuperlO component Each serial port on the SuperlO ASIC
151. r Owner s Guide for more information Before You Begin Complete these tasks How to Power Off the System on page 2 How to Position the System for Service on page 8 a a a How to Remove the System Cover on page 14 a How to Avoid Electrostatic Discharge on page 18 a How to Remove the Memory Riser Assembly on page 40 Caution DIMMs are made of electronic components that are extremely sensitive to static electricity Static electricity from your clothes or work environment can destroy the DIMM Always wear a grounding strap when you handle the modules Caution Do not remove any DIMM from its antistatic packaging until you are ready to install it Handle the modules only by their edges Do not touch the components or any metal parts Always wear a grounding strap when you handle the modules 1 Locate the memory module s to be removed If the module is located on the memory riser assembly remember that you must first remove the memory riser assembly before removing the memory modules Note If the module to be removed is on a socket on the main logic board use the same procedure explained in Steps 2 through 4 46 Sun Enterprise 420R Server Service Manual October 1999 2 Push the ejection lever away from the memory module and eject it from the socket Be sure that the back of the memory riser assembly is supported when you remove the module 3 Grasp the top corn
152. r UPA graphics card a vertical double buffer plus Z DBZ UPA graphics card or an Elite3D UPA graphics card A graphics card can be connected to the system through the UPA64S expansion connector The 3DRAM is a standard dynamic random access memory DRAM that includes a multi level cache and a separate graphics port The FBC ASIC provides acceleration for 2D and 3D imaging primitives This combined with the 3DRAM cache and support for graphics operations supports a high performance frame buffer Peripherals The following peripherals are supported by the system a CD ROM drive m Hard drives Appendix 243 CD ROM Drive The Sun StorEdge CD32 CD ROM drive is a 32x speed maximum read only random access CD ROM device It operates on the industry standard SCSI 2 interface The CD32 drive uses standard 4 76 inch 120 mm 644 Mbyte compact disks The Sun StorEdge CD32 Installation and User s Guide part number 805 4237 provides cleaning jumper setting and operation instructions for the CD ROM drive Note The CD ROM drive is factory set to SCSI target ID 6 Refer to the Sun StorEdge CD32 Installation and User s Guide part number 805 4237 to change the target address Hard Drives The system supports two SCSI hard drive capacities 9 1 Gbyte and 18 Gbyte The hard drives have a single connector configuration A drive bracket is used to mount the drive The following table lists the supported hard drives Form Facto
153. r durch hei e Oberfl che besteht Anweisungen befolgen um Stromschl ge und Achtung Gef hrliche Spannungen Verletzungen zu vermeiden Ein Setzt das System unter Wechselstrom Je nach Netzschaltertyp an Ihrem Ger t kann eines der folgenden Symbole benutzt werden Aus Unterbricht die Wechselstromzufuhr zum Gerat Wartezustand Stand by Position Der Ein Wartezustand Schalter steht auf Wartezustand nderungen an Sun Ger ten Nehmen Sie keine mechanischen oder elektrischen nderungen an den Ger ten vor Sun Microsystems bernimmt bei einem Sun Produkt das ge ndert wurde keine Verantwortung f r die Einhaltung beh rdlicher Vorschriften Aufstellung von Sun Ger ten Achtung Um den zuverl ssigen Betrieb Ihres AN Sun Ger ts zu gew hrleisten und es vor berhitzung zu sch tzen d rfen die Offnungen im Ger t nicht blockiert oder verdeckt werden Sun Produkte sollten niemals in der N he von Heizk rpern oder Heizluftklappen aufgestellt werden Achtung Der arbeitsplatzbezogene Schalldruckpegel nach DIN 45 635 Teil 1000 betr gt 70Db A oder weniger Einhaltung der SELV Richtlinien Die Sicherung der I O Verbindungen entspricht den Anforderungen der SELV Spezifikation Safety Agency Compliance Statements xii Anschluf des Netzkabels A A A Achtung Sun Produkte sind f r den Betrieb an Einphasen Stromnetzen mit geerdetem Nulleiter vorgese
154. r supply is non functional and there is no DC output to the system The yellow LED on the system front panel also lights if this LED is lit This green LED is lit to indicate that the primary circuit has power When this LED is lit the power supply is providing standby power to the system Chapter 193 Disk Drive LEDs The disk drive LEDs are visible from the front of the system when the left door is open as shown in the following figure Disk drive LEDs N PE CORTA When a disk drive LED lights steadily and is green it indicates that the slot is populated and that the drive is receiving power When an LED is green and flashing it indicates that there is activity on the disk Some applications use the LED to indicate a fault on the disk drive In this case the LED changes color to yellow and lights steadily The disk drive LEDs retain their state when the system is powered off A yellow indicator also results in the yellow general fault indicator being lit on the system front panel Error Messages Error messages and other system messages are saved in the file var adm messages The two firmware based diagnostic tools POST and OBDiag provide error messages either locally on the system console or terminal or in a remote console window through a tip connection These error messages can help to further refine your problem diagnosis The amount of error information displayed in di
155. re describes how to run OBDiag interactively from the system ok prompt What to Do Note Perform this procedure with the power on and the keyswitch in the Power On Off position 1 With the keyswitch in the Power On Off position press the Break key on your alphanumeric terminal keyboard or enter the Stop a sequence on a Sun keyboard To enter the Stop a sequence press the Stop key and the a key simultaneously The ok prompt is displayed 2 Optional Select a diagnostic level Three different levels of diagnostic testing are available for OBDiag see How to Set the Diagnostic Level for POST and OBDiag on page 182 3 At the ok prompt type ok setenv diag switch true diag switch true Chapter 169 4 At the ok prompt type ok obdiag The OBDiag menu is displayed 170 Sun Enterprise 420R Server Service Manual October 1999 5 6 Note The OBDiag menu is built dynamically each time you run the obdiag command The exact number and order of menu items in the example might not match the menu items on your system OBDiag Menu Oise PCI Cheerio L un EBUS DMA TCR Registers DP esse Ethernet Boa Sere Keyboard A sas ouse Oe Biosci Parallel Port G utiles Serial Port A de enoa Serial Port B Sia NVRAM Oe ste Audio LO Foristas SCSI i he A All Above DA uns Quit ESA sg eae Display this Menu DA er Toggle script debug Ses Enable External Loopback Tests LG
156. rews on the memory riser assembly 44 Sun Enterprise 420R Server Service Manual October 1999 Caution Overtightening the screws can damage the main logic board Use the method that is appropriate to the type of screws used in the assembly System with torque limiting thumbscrews and a standard Phillips head m Use a Phillips 2 screwdriver A clicking sound indicates that the screws are fully tightened System with torque limiting thumbscrews m Use the torque indicator driver to tighten riser assemblies shipped without torque limiting thumbscrews Alternatively turn each thumbscrew clockwise one turn at a time Stop turning each thumbscrew as soon as the gap on the torque indicator driver closes Gap closed What Next Complete this task to reassemble the system a How to Replace the DC to DC Converter on page 56 When you are ready to restart the system be sure to run OpenBoot Diagnostics tests to verify that the system functions correctly with the new parts you have just installed For additional information see a How to Use OpenBoot Diagnostics OBDiag on page 169 Chapter 45 A AN How to Remove a Memory Module Memory modules for this system are dual inline memory modules DIMMs Each DIMM bank must contain four DIMMs of equal density for example four 64 Mbyte DIMMs to function properly Supported DIMM configuration options are 32 64 and 256 Mbytes See the Sun Enterprise 420R Serve
157. rkstation using the SunVTS graphical interface For information about other SunVTS interfaces and options see About Diagnostic Tools on page 158 1 Use xhost to give the remote server access to the workstation display On the system from which you will be running the SunVTS graphical interface type usr openwin bin xhost remote_hostname Substitute the name of the Sun Enterprise 420R server for remote_hostname Among other things this command gives the server display permissions to run the SunVTS graphical interface in the OpenWindows environment of the workstation 2 Remotely log in to the server as superuser root 186 Sun Enterprise 420R Server Service Manual October 1999 3 Check whether SunVTS software is loaded on the server SunVTS is an optional package that may or may not have been loaded when the server software was installed For more information see How to Check Whether SunVTS Software Is Installed on page 185 4 To start the SunVTS software type cd opt SUNWvts bin sunvts display local_hostname 0 Substitute the name of the server you are using for local_hostname Note that opt SUNWvts bin is the default bin directory for SunVTS software If you have installed SunVTS software in a different directory use the appropriate path instead When you start SunVTS software the SunVTS kernel probes the test system devices The results of this probe are displayed
158. rnal drive bays External Access Drive Bay The power budget of the 5 25 inch external access drive bay is not to exceed 1 amp at 5 VDC 1 0 amps at 12 VDC 17 watts per bay The power budget of the 3 5 inch external access drive bay is not to exceed 1 2 watts VDC only Standard System Facilities In addition to the previously listed features the system provides the following m TOD NVRAM for clock and identification functions m Flash PROM for operating system initialization The flash PROM is reprogrammable through UNIX and OBP utilities DC to DC Converter Assembly The DC to DC converter assembly converts 5 VDC to 2 6 VDC 48 amps The converted voltage is used to power up to four CPU modules The DC to DC converter assembly is protected against overcurrents and provides current limiting If an over voltage condition occurs the DC to DC converter assembly will turn off the power supply assembly The DC to DC converter assembly uses 12 VDC to power its fan and control circuitry Included with the DC to DC converter assembly is a temperature dependent variable speed fan that is used to cool memory and the converter control circuitry 258 Sun Enterprise 420R Server Service Manual October 1999 Main Logic Board The following figure illustrates a block diagram of the system s main logic board
159. s Read this section before beginning any procedure The following text provides safety precautions to follow when installing a Sun Microsystems Enterprise 420R system Safety Precautions For your protection observe the following safety precautions when setting up your equipment m Follow all cautions and instructions marked on the equipment m Ensure that the voltage and frequency of your power source match the voltage and frequency inscribed on the equipment s electrical rating label m Never push objects of any kind through openings in the equipment Dangerous voltages may be present Conductive foreign objects could produce a short circuit that could cause fire electric shock or damage to your equipment Symbols The following symbols may appear in this book Caution There is risk of personal injury and equipment damage Follow the instructions are hot and may cause personal injury if Caution Hot surface Avoid contact Surfaces touched Caution Hazardous voltages are present To reduce the risk of electric shock and danger to personal health follow the instructions On Applies AC power to the system Depending on the type of power switch your device has one of the following symbols may be used O Off Removes AC power from the system Standby The On Standby switch is in the standby position Modifications to Equipment Do not make mechanical or electrical mod
160. s console Test not run ase set the mfg mod ESSAGE Error internal_loopback TBD Menu gt to sys ext Chapter 181 How to Set the Diagnostic Level for POST and OBDiag Before You Begin Three different levels of diagnostic testing are available for power on self test POST and OpenBoot Diagnostics OBDiag max maximum level min minimum level and off no testing The system runs the appropriate level of diagnostics based on the setting of the OpenBoot PROM variable diag level The default setting for diag level is min If your server is set up without a local console or terminal you will need to set up a monitor console or terminal before setting the diagnostic level See About Communicating With the Server on page 23 What to Do Note Perform this procedure with the power on and the keyswitch set to the Power On Off position 1 With the keyswitch in the Power On Off position press the Break key on your alphanumeric terminal s keyboard or enter the Stop a sequence on a Sun keyboard To enter the Stop a sequence press the Stop key and the a key simultaneously The ok prompt is displayed 2 To set the diag level variable type the following ok setenv diag level value The value can be off min or max See Configuration Variable on page 168 for information about each setting 182 Sun Enterprise 420R Server Service Manual October 1999 About SunVTS
161. s mounting bracket 4 Remove the 3 16ths inch nut from the front of the Power button 5 Remove the LEDs and their cables from the system a Using a flat blade screwdriver gently pull the plastic friction fit collars securing the LEDs from the chassis 146 Sun Enterprise 420R Server Service Manual October 1999 b Gently push the LED s through their cutouts in the chassis 6 Pull the keyswitch power button LED cable out the back of the system 7 Disconnect the keyswitch power button LED cable from connector J0500 on the power distribution board What Next To replace the keyswitch assembly complete this task a How to Replace the Keyswitch Power Button LED Assembly and Cable on page 148 Chapter 147 How to Replace the Keyswitch Power Button LED Assembly and Cable Before You Begin Complete this task a How to Avoid Electrostatic Discharge on page 18 What to Do 1 Attach the keyswitch cable to the keyswitch assembly a Align the post on the keyswitch with the socket in the connector b Gently insert the keyswitch into the connector 148 Sun Enterprise 420R Server Service Manual October 1999 c Rotate the keyswitch in the connector until the tabs on the keyswitch snap into place The long tab on the keyswitch should lock into the corresponding groove on the Tab 5 LUST 0 Power button Leds 2 Position the keyswitch assembly into the mounting bracket Route the
162. sar da os personales si se tocan Safety Agency Compliance Statements xvi Precauci n Voltaje peligroso presente Para reducir el riesgo de descarga y da os para la salud siga las instrucciones Encendido Aplica la alimentaci n de CA al sistema Seg n el tipo de interruptor de encendido que su equipo tenga es posible que se utilice uno de los siguientes s mbolos Apagado Elimina la alimentaci n de CA del sistema En espera El interruptor de Encendido En espera se ha colocado en la posici n de En espera Modificaciones en el equipo No realice modificaciones de tipo mec nico o el ctrico en el equipo Sun Microsystems no se hace responsable del cumplimiento de las normativas de seguridad en los equipos Sun modificados Ubicaci n de un producto Sun funcionamiento de su producto Sun y para protegerlo de sobrecalentamien tos no deben obstruirse o taparse las rejillas del equipo Los productos Sun nunca deben situarse cerca de radiadores o de fuentes de calor Precauci n Para asegurar la fiabilidad de Precauci n De acuerdo con la norma DIN 45 MN 635 Parte 1000 se admite un nivel de presi n ac stica para puestos de trabajo m ximo de 70Db A xvii Sun Enterprise 420R Server Service Manual October 1999 Cumplimiento de la normativa SELV El estado de la seguridad de las conexiones de entrada salida cumple los requisitos de la normativa SELV Conexi n
163. source the synchronous ports operate at up to 384 Kbaud Clock generation is accurate within 1 percent for any rate that is generated between 50 Kbaud and 256 Kbaud Asynchronous Rates The serial asynchronous ports support twenty baud rates that are all exact divisors of the crystal frequency with the exception of 110 which is off by less than 1 percent Baud rates include 50 75 110 200 300 600 1200 1800 2400 4800 9600 19200 38400 57600 76800 115200 153600 230400 307200 and 460800 Slew Rate and Cable Length The maximum RS 423 cable length is 118 feet 30 meters and the maximum RS 232 cable length is 50 feet 15 24 meters The slew rate changes depending on the speed For speeds less than 100 Kbaud the slew rate is set at 5 VDC per microsecond For 248 Sun Enterprise 420R Server Service Manual October 1999 rates greater than 100 Kbaud the slew rate is increased to 10 VDC per microsecond This allows maximum performance for the greater baud rates and better signal quality at the lesser baud rates Ethernet The system supports 10 Mbps 10BASE T twisted pair Ethernet and 100 Mbps 100BASE TX Twisted pair Ethernet is provided through an 8 pin RJ45 connector The Ethernet circuitry design is based on a Quality Semiconductor PHY The PHY chip integrates a 100BASE T physical coding sub layer PCS and a complete 10BASE TX module in a single chip The 100BASE TX portion of the PHY IC consists of the following fu
164. stem Examine each disconnected cable for information indicating the cable s origin and its terminating connection 5 Replace close and lock the rack enclosure door s as appropriate What Next To power on the system see a How to Power On the System on page 3 Chapter 13 14 How to Remove the System Cover Caution Do not operate the system while the system cover is removed Before You Begin Complete this task a How to Position the System for Service on page 8 What to Do 1 Unlock the system cover Use the front door key turn the key counterclockwise to release the system cover Y D 2 Loosen the three captive screws securing the cover to the enclosure Sun Enterprise 420R Server Service Manual October 1999 3 Grasp the system cover by its sides and lift the cover upward and away from the front of the enclosure remove the cover and set it aside The system cover hinges on two cutouts in the enclosure back panel Lift the system cover away from the back of the enclosure What Next You are now ready to install remove or replace components inside the system chassis To reassemble the system see a How to Replace the System Cover on page 16 Chapter 15 How to Replace the System Cover Before You Begin 1 Caution Do not operate the system while the system cover is removed What to Do 1 Insert the system cover into the re
165. stem functions correctly with the new parts you have just installed For additional information see a How to Use OpenBoot Diagnostics OBDiag on page 169 You must also perform a reconfiguration boot so that your system is able to recognize the new PCI card For additional information see a How to Initiate a Reconfiguration Boot on page 6 64 Sun Enterprise 420R Server Service Manual October 1999 How to Remove a CPU Module Before You Begin Complete these tasks How to Power Off the System on page 2 How to Position the System for Service on page 8 How to Remove the System Cover on page 14 How to Avoid Electrostatic Discharge on page 18 What to Do Caution Your system will be shipped with CPU filler panels in every unpopulated CPU slot If you remove and replace a CPU module have the new CPU module on hand if possible before removing the defective one If you must remove a CPU module before you have a replacement for it you should obtain a filler panel and install it until you replace the CPU module Contact your Sun service or sales representative for assistance if you do not have a CPU filler panel Determine which CPU module must be removed from the CPU card cage on the main logic board Chapter 65 2 Pull the CPU module ejection levers up from the CPU module to disengage the The ejection levers are located on each side of the front of each CPU module Rotate th
166. stem using a serial null modem cable connect cable pins 2 3 3 2 7 20 and 20 7 oo oo AN 2 LO 2 3 o wd 7 OH O 7 200 20 A A 2 At the other Sun system check the etc remote file by changing to the etc directory and then editing the remote file hardwire dv dev term b br 9600 el C S Q U D ie 0e D Note The example shows connection to serial port B 3 To use serial port A a Copy and paste the serial port B remote file b Modify the serial port B remote file as follows hardwire dv dev term a br 9600 el C S Q U D ie 0e D 164 Sun Enterprise 420R Server Service Manual October 1999 4 In a shell window on the Sun system type tip hardwire hostnames tip hardwire connected Note The shell window is now a tip window directed to the serial port of the system being tested When power is applied to the system being tested POST messages will be displayed in this window 5 When POST is completed disconnect the t ip window as follows a Open a shell window b Type ps a to view the active tip line and process ID PID number c Type the following to kill the tip hardwire process kill 9 PID How to Verify the Baud Rate To verify the baud rate between the system being tested and a terminal or another Sun system monitor 1 Open a shell window 2 Type eeprom 3 Verify the following serial port default set
167. sus Disable External Loopback Tests Enter 0 11 tests 12 Quit 13 Menu gt At the OBDiag menu prompt type 14 to select toggle script debug Note Selecting toggle script debug enables verbose test message displays At the Enter prompt type the appropriate test number OBDiag Tests The OBDiag tests are described in the following sections PCI Cheerio on page 172 EBus DMA TCR Registers on page 173 Ethernet on page 174 Keyboard on page 175 Mouse on page 176 Chapter 171 Parallel Port on page 176 Serial Port A on page 177 Serial Port B on page 178 NVRAM on page 178 SCSI on page 179 All Above on page 179 Note The OBDiag Audio test is not available for this system PCI Cheerio The PCI Cheerio test performs the following diagnostics Test Function vendor_ID_test device_ID_test mixmode_read e2_class_test status_reg_walkl line_size_walkl latency_walk1 line _ walk1 pin_test Verifies that the U2P ASIC vendor ID is 108e Verifies that the U2P ASIC device ID is 1000 Verifies that the PCI configuration space is accessible as half word bytes by reading the EBus2 vendor ID address Verifies the address class code Address class codes include bridge device 0 x B 0 x 6 other bridge device 0 x A and 0 x 80 and programmable interface 0 x 9 and 0 x 0 Performs walk one test on status register
168. t on page 230 m Power Supply on page 256 m Main Logic Board on page 259 The following items are not supported on the Sun Enterprise 440R server m Graphics and imaging card m Diskette drive a Audio card 229 System Unit This section is organized into the following subsections System Overview on page 230 UPA on page 232 PCI Bus on page 233 UltraSPARC II Processor on page 235 Memory System on page 236 Graphics and Imaging on page 243 Peripherals on page 243 Other Peripheral Assembly Options on page 244 Keyboard and Mouse Port and Parallel Port on page 245 Serial Port on page 246 Ethernet on page 249 SCSI on page 250 ASICs on page 253 SuperlO on page 256 System Overview The system is an UltraSPARC port architecture UPA based multiprocessor machine that uses peripheral component interconnect PCI as the I O bus The CPU modules U2P ASIC UPA to PCI bridge and UPA graphics cards communicate using the UPA protocol The CPU modules and the U2P ASIC are UPA master slave devices The UPA graphics cards are UPA slave only devices The QSC ASIC routes UPA requests packets through the UPA address bus and controls the flow of data using the XB9 ASIC and the CBT switching network 230 Sun Enterprise 420R Server Service Manual October 1999 The following figure shows the system functional block diagram
169. t 13 Menu gt 1 TEST all_dma ebus_test SUBTEST dma_reg_test SUBTEST dma_func_test Enter 0 11 tests 12 Quit 13 Menu Il Il Vv Ethernet The Ethernet diagnostic performs the following tests Test Function my_channel_reset hme_reg_test MAC_internal_loo pback_test 10_mb_xcvr_loopb ack_test 100_mb_phy_loopb ack_test 100_mb_twister_l oopback_test Resets the Ethernet channel Performs walk one on the following registers set global register 1 global register 2 bmac xif register bmac tx register and the mif register Performs Ethernet channel engine internal loopback Enables the 10BASE T data present at the transmit MII data inputs to be routed back to the receive MII data outputs Enables MII transmit data to be routed to the MII receive data path Forces the twisted pair transceiver into loopback mode Sun Enterprise 420R Server Service Manual October 1999 The following example shows the Ethernet diagnostic output message Enter 0 11 tests 12 Quit 13 Menu gt 2 ethernet_test EST my_channel_reset EST hme_reg_test EST global_regl_test EST global_reg2_test bmac_xif_reg_test EST bmac_tx_reg_test EST mif_reg_test EST mac_internal_loopback_test EST 10mb_xcvr_loopback_test EST 100mb_phy_loopback_test 0 12 tests 13 Quit 14 Menu gt E va aaa U U
170. t the total SCSI bus length be limited to no more than approximately 20 feet 6 meters with up to 12 Sun compensated devices Due to the considerably short bus length an approximate 32 inch 0 8 meter UltraSCSI compliant external cable is supported in addition to an approximate 6 5 foot 2 meter UltraSCSI compliant external cable Note Consult your authorized Sun sales representative or service provider to order a 31 5 inch 0 8 meter or a 2 2 yard 2 meter UltraSCSI compliant external cable Internal SCSI Subassembly The internal SCSI subassembly consists of two cable assemblies and one SCSI card The SCSI subassembly is attached to the main logic board using an insulation displacement connector IDC receptacle attached to an 80 conductor cable The IDC receptacle mates with a right angle plug that is mounted on the main logic board The 80 conductor cable attaches on the other end to the SCSI backplane card with another IDC connector The SCSI backplane card incorporates two SCA 2 connectors for mounting the hard drives a power connector to supply 5 VDC and 12 VDC power to the hard drives and two green right angle LEDs A 68 conductor cable exits the SCSI backplane card carrying 27 SCSI signals and the Termpower to the internal CD ROM drive or tape drive The SCSI backplane card houses the CD ROM drive connector and one SCSI bus terminator The Termpower 252 Sun Enterprise 420R Server Service Manual October 1999 is r
171. t to Do 1 Using a Phillips 2 screwdriver loosen the captive screw securing the DC to DC converter assembly to the main logic board 2 Lift the converter straight up disconnecting it from its main logic board connectors Use the two holes in the top of the converter s metal cage as finger grips What Next Complete the following task to reassemble the system a How to Replace the DC to DC Converter on page 56 Chapter 55 How to Replace the DC to DC Converter Before You Begin Complete this task a How to Avoid Electrostatic Discharge on page 18 56 Sun Enterprise 420R Server Service Manual October 1999 What to Do 1 Align the DC to DC converter with its position in the chassis Make sure to align the two converter connectors with their main logic board connectors QT amp N Q N Y N Q N Q N X Q X Q 2 Lower the converter into place on the main logic board 3 Using a Phillips 2 screwdriver tighten the captive screw that secures the DC to DC converter assembly to the main logic board What Next Complete this task to reassemble the system a How to Replace the System Cover on page 16 Chapter 57 How to Remove a PCI Card Before You Begin Complete these tasks How to Power Off the System on page 2 How to Position the System for Service on page 8 How to Remove the System Cover on page 14 a a a a How to Avoid El
172. taining clip What Next To replace a power supply complete this task a How to Install a Power Supply on page 138 Chapter 137 How to Install a Power Supply Before You Begin If you are installing a redundant power supply it is not necessary to power off the system For more information see About Power Supplies in your Sun Enterprise 420R Server Owner s Guide What to Do 1 Unlock the system doors and swing them open Turn the keyswitch to the Power On Off position This unlocks the system front access doors 2 Loosen the Phillips screw that secures the power supply retaining clip until you can push the clip upward 3 If you are upgrading your system with an additional power supply remove the filler panel covering the power supply bay a With one hand push up the retaining clip until it clears the filler panel b Partially pry the top of the filler panel out of the bay using a flat blade screwdriver c Lift the filler panel out and away from the bay and set it aside d Keep the filler panel in case you need to remove the power supply later The filler panel maintains proper system cooling and prevents electromagnetic interference in the absence of a second power supply 138 Sun Enterprise 420R Server Service Manual October 1999 4 Using your thumb push up the retaining clip until there is enough clearance to slide the power supply into its bay alli ae Ke o EN ERE ADAL
173. tem can resume normal operation If you are installing a new main logic board remember that you can migrate your former NVRAM TOD module in order to preserve your system s host ID and Ethernet address Note For information about setting the flash PROM jumpers to enable you to program the NVRAM see How to Set the Flash PROM Jumpers on page 95 Sun Enterprise 420R Server Service Manual October 1999 What to Do 1 Insert the NVRAM TOD module into its socket on the main logic board The carrier is keyed to ensure correct installation of the NVRAM TOD module into its socket on the main logic board Make sure that the NVRAM TOD module is placed in its carrier correctly The small marker dot on the top of the NVRAM TOD module should be on the same side as the narrow tab on the carrier assembly Marker dot Narrow tab Wide tab NS Zo gt S gt S o Ss D o OF RN 2 Push down firmly on the NVRAM TOD module until it seats in its socket What Next Complete the following task to reassemble the system a How to Replace the System Cover on page 16 Chapter 75 When you are ready to restart the system be sure to run OpenBoot Diagnostics tests to verify that the system functions correctly with the new parts you have just installed For additional information see a How to Use OpenBoot Diagnostics OBDiag on page 169 76 Sun Enterprise 420R Server Service Manual October 1999
174. tic Discharge on page 18 How to Remove the Air Guide on page 77 How to Remove a CPU Module on page 65 Note Remove CPU modules prior to removing the card cage What to Do Loosen the six captive screws securing the CPU card cage assembly to the main logic board Use a Phillips 2 screwdriver to loosen the screws Chapter 81 2 Lift the CPU card cage assembly from the main logic board What Next To replace the CPU card cage assembly complete this task a How to Replace the CPU Card Cage Assembly on page 83 82 Sun Enterprise 420R Server Service Manual October 1999 How to Replace the CPU Card Cage Assembly Before You Begin Complete this task a How to Avoid Electrostatic Discharge on page 18 What to Do 1 Position the CPU card cage assembly on the main logic board Chapter 83 2 Align the CPU card cage assembly screw holes with the corresponding holes on the main logic board 3 Tighten the six captive screws that secure the CPU card cage assembly to the main logic board Use a Phillips 2 screwdriver to tighten the screws What Next Complete these tasks to reassemble the system a How to Replace the Air Guide on page 79 a How to Install a CPU Module on page 68 84 Sun Enterprise 420R Server Service Manual October 1999 How to Remove the Main Logic Board Before You Begin Caution Use an antistatic mat
175. tics OBDiag a SunVTS software m Sun Enterprise SYMON software POST diagnostics verify the core functionality of the system including the main logic board system memory and any on board I O devices You can run POST even if the system is unable to boot For more information about POST see About Power On Self Test POST Diagnostics on page 160 OBDiag tests focus on system I O and peripheral devices Like POST you can run OBDiag even if the system is unable to boot For more information about OBDiag see About OpenBoot Diagnostics OBDiag on page 166 The SunVTS system exerciser is a graphics oriented UNIX application that permits the continuous exercising of system resources and internal and external peripheral equipment For more information about SunVTS see About SunVTS Software on page 183 UNIX based Sun Enterprise SYMON allows you to monitor the system hardware status and operating system performance of your server For information about SyMON see About Sun Enterprise SYMON Software on page 188 Which method or tool you use to diagnose system problems depends on the nature of those problems m If your machine is not able to boot its operating system software you need to run POST and OBDiag tests m If your machine is healthy enough to start up and load its operating system software you can use Sun Enterprise SYMON software and SunVTS software to diagnose system problems 158 Sun Ent
176. tings as follows ttyb mode ttya mode 9600 8 n 1 9600 8 n 1 Note Ensure that the settings are consistent with TTY type terminal or system monitor settings Chapter 165 About OpenBoot Diagnostics OBDiag The OpenBoot Diagnostics OBDiag utility resides in flash PROM on the main logic board OBDiag can isolate errors in the following system components m Main logic board a Diskette drive if applicable a CD ROM drive m Tape drive m Disk drives m Any option card that contains an on board self test On the main logic board OBDiag tests not only the main logic board but also its interfaces m PCI m SCSI m TPE Ethernet m Serial m Parallel m Keyboard mouse OBDiag reports some test results by flashing or steadily illuminating the LEDs on the system front panel See Error Indications on page 189 for more information about LEDs and error messages OBDiag also displays detailed diagnostic and error messages on a local console or terminal if one is attached to the system OBDiag tests run automatically under certain conditions You can also run OBDiag interactively from the system ok prompt For information about running OBDiag see How to Use OpenBoot Diagnostics OBDiag on page 169 When you run OBDiag interactively from the ok prompt OBDiag displays a menu that lists all of the diagnostic tests that OBDiag can perform For information about the OBDiag menu see OBDiag Menu
177. to the floor you must extend the cabinet s anti tip legs and adjust the stabilizing feet to the floor 2 Push the runner on each slide assembly as far back as possible into the slide assembly a Push in the inner rail on each slide assembly until it reaches the stops that are located furthest away from the front of the rack b Push in the runner until it stops in the slide assembly 24 sssssssessss CET SSsssssssss Er PM 7 Ses ss 3 Position one person on each side of the system facing the inner glides on the system chassis When you are both in position verify that your helper understands what to do with the system after you lift it Also agree on a route to follow to the rack enclosure and visually inspect the route for potential safety hazards for example cables on the floor other people working in the vicinity and so on Chapter 35 4 Lift the system Each person should place both hands beneath the chassis and support half the weight of the system 5 Carry the system from its location to the front of the rack enclosure 6 Insert the system glides into the inner slides of the rack glides Verify that the empty rack slides are completely inside their protective outer glides Slide the crimped end of each system glide into the corresponding inner slide within the rack glide covocooe cocvovecvcece Plococooooo
178. to the power distribution board Chapter 131 Main logic board connectors J4107 J4106 SCSI backplane connectors J0102 o o Sun Enterprise 420R Server Service Manual October 1999 132 Power distribution board connectors What Next To reassemble the system complete this task a How to Replace the System Cover on page 16 Chapter 133 134 Sun Enterprise 420R Server Service Manual October 1999 CHAPTER 5 Removing and Replacing Miscellaneous Assemblies This chapter describes how to remove and replace the miscellaneous assemblies within the system For a list of part numbers for field replaceable units and optional equipment see Illustrated Parts Breakdown on page 261 The following tasks are covered in this chapter How to Remove a Power Supply on page 136 How to Install a Power Supply on page 138 How to Remove the Fan Tray Assembly on page 141 How to Replace the Fan Tray Assembly on page 143 How to Remove the Keyswitch Power Button LED Assembly and Cable on page 145 a How to Replace the Keyswitch Power Button LED Assembly and Cable on page 148 m How to Remove a System Door on page 151 a How to Replace a System Door on page 154 135 How to Remove a Power Supply Before You Begin It is not necessary to power off the system if you are removing a redundant power supply For more information see About P
179. ts reserved Sun Sun Microsystems the Sun logo AnswerBook AnswerBook2 Sun Enterprise Sun Enterprise SYMON SunVTS OpenWindows and Solaris are trademarks registered trademarks or service marks of Sun Microsystems Inc in the U S and other countries All SPARC trademarks are used under license and are trademarks or registered trademarks of SPARC International Inc in the U S and other countries Products bearing SPARC trademarks are based upon an architecture developed by Sun Microsystems Inc The OPEN LOOK and Sun Graphical User Interface was developed by Sun Microsystems Inc for its users and licensees Sun acknowledges the pioneering efforts of Xerox in researching and developing the concept of visual or graphical user interfaces for the computer industry Sun holds a non exclusive license from Xerox to the Xerox Graphical User Interface which license also covers Sun s licensees who implement OPEN LOOK GUIs and otherwise comply with Sun s written license agreements RESTRICTED RIGHTS Use duplication or disclosure by the U S Government is subject to restrictions of FAR 52 227 14 g 2 6 87 and FAR 52 227 19 6 87 or DFAR 252 227 7015 b 6 95 and DFAR 227 7202 3 a DOCUMENTATION IS PROVIDED AS IS AND ALL EXPRESS OR IMPLIED CONDITIONS REPRESENTATIONS AND WARRANTIES INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY FITNESS FOR A PARTICULAR PURPOSE OR NON INFRINGEMENT ARE DISCLAIMED EXCEPT TO THE EXTENT THAT SUCH DI
180. u lithium A Attention sur les cartes CPU Sun une batterie au lithium r f rence MK48T59Y MK48TXXB XX MK48T18 XXXPCZ M48T59W XXXPCZ ou MK48T08 a t moul e dans l horloge temps r el SGS Les batteries ne sont pas des pi ces remplacables par le client Elles risquent d exploser en cas de mauvais traitement Ne pas jeter la batterie au feu Ne pas la d monter ni tenter de la recharger Bloc batterie contiennent une batterie tanche au plomb produits nerg tiques portatifs n TLC02V50 Il existe un risque d explosion si ce bloc batterie est manipul de fa on erron e ou mal mis en place Ne remplacez ce bloc que par un bloc batterie Sun Microsystems du m me type Ne le d montez pas et n essayez pas de le recharger hors du syst me Ne faites pas br ler la batterie mais mettez la au rebut conform ment aux r glementations locales en vigueur Attention Les unit s Product Name Couvercle Pour ajouter des cartes de la m moire ou des unit s de stockage internes vous devrez d monter le couvercle de l unit syst me Sun Ne pas oublier de remettre ce couvercle en place avant de mettre le syst me sous tension Attention il est dangereux de faire fonctionner un produit Sun sans le couvercle en place Si l on n glige cette pr caution on encourt des risques de blessures corporelles et de d g ts mat riels Conformit aux certifications Laser Les produits Sun qu
181. ual October 1999 Contents Declaration of Conformity iii Regulatory Compliance Statements v FCC Class A Notice v DOC Class A Notice Avis DOC Classe A v BSMI Class A Notice vi Safety Agency Compliance Statements vii Preface xxix Preparing to Service the System 1 How to Power Off the System 2 How to Power On the System 3 How to Initiate a Reconfiguration Boot 6 How to Position the System for Service 8 How to Slide the System Into the Rack 11 How to Remove the System Cover 14 How to Replace the System Cover 16 How to Avoid Electrostatic Discharge 18 About the Status and Control Panel 20 XX About Communicating With the Server 23 How to Attach an Alphanumeric Terminal 24 How to Configure a Local Graphics Console 26 Tools Required for Installation and Service 29 How to Remove the System From the Rack 30 How to Place the System Into the Rack Glides 33 2 Servicing the Main Logic Board and Components 39 How to Remove the Memory Riser Assembly 40 How to Replace the Memory Riser Assembly 43 How to Remove a Memory Module 46 How to Installa Memory Module 48 How to Remove the DC to DC Converter 54 How to Replace the DC to DC Converter 56 How to Remove a PCI Card 58 How to Install a PCI Card 61 How to Remove a CPU Module 65 How to Install a CPU Module 68 How to Remove the NVRAM TOD Module 72 How to Replace the NVRAM TOD Module 74 How to Remove the Air Guide 77 How to Replace the Air Guide 79 How to Remove the CPU Card Cage
182. uit 12 Quit 13 Menu 13 Menu gt Chapter 177 178 Serial Port B The serial port B diagnostic is identical to the serial port A diagnostic The following example shows the serial port B diagnostic output message Enter 0 11 tests 12 Quit 13 Menu gt 7 TEST uartb_test BAUDRATE 1200 BAUDRATE 180 BAUDRATE 240 BAUDRATE 480 BAUDRATE 960 BAUDRATE 192 BAUDRATE 38400 BAUDRATE 57600 BAUDRATE 76800 BAUDRATE 115200 BAUDRATE 153600 BAUDRATE 230400 BAUDRATE 307200 BAUDRATE 460800 Enter 0 11 tests 12 Quit 13 Menu gt 0 O S 0 00 00 NVRAM The NVRAM diagnostic verifies the NVRAM operation by performing a write and read to the NVRAM The following example shows the NVRAM diagnostic output message Enter 0 11 tests 12 Quit 13 Menu gt 8 TEST nvram test SUBTEST write read_patterns SUBTEST write read_inverted_patterns Enter 0 11 tests 12 Quit 13 Menu gt Sun Enterprise 420R Server Service Manual October 1999 Audio The audio diagnostic is not included for this system SCSI The SCSI diagnostic validates both the SCSI chip and the SCSI bus subsystem The following example shows the SCSI diagnostic output message E
183. ut Diagnosing Specific Problems Network Communications Failure Symptom The system is unable to communicate over the network Action Your system conforms to the Ethernet 10BASE T 100BASE TX standard which states that the Ethernet 10BASE T link integrity test function should always be enabled on both the host system and the Ethernet hub The system cannot communicate with a network if this function is not set identically for both the system and the network hub either enabled for both or disabled for both This problem applies only to 10BASE T network hubs where the Ethernet link integrity test is optional This is not a problem for 100BASE TX networks where the test is enabled by default Refer to the documentation provided with your Ethernet hub for more information about the link integrity test function If you connect the system to a network and the network does not respond use the OpenBoot PROM command watch net all to display conditions for all network connections ok watch net all For most PCI Ethernet cards the link integrity test function can be enabled or disabled with a hardware jumper on the PCI card which you must set manually See the documentation supplied with the card For the standard TPE and MII main logic board ports the link test is enabled or disabled through software Remember also that the TPE and MII ports share the same circuitry and as a result you can use only one port at a time Note Some
184. ut preparing for and completing service procedures Except for removing and installing disk drives this system should be serviced by a qualified hardware service provider Please be sure to keep the following guidelines in mind Internal disk drives and power supplies are hot pluggable For the servicing of any other parts internal to the system you must first power off the system See How to Power Off the System on page 2 Except for replacing the main logic board which is a workbench procedure this system is serviceable while installed in the rack See How to Position the System for Service on page 8 The following tasks are covered in this chapter How to Power Off the System on page 2 How to Power On the System on page 3 How to Initiate a Reconfiguration Boot on page 6 How to Position the System for Service on page 8 How to Slide the System Into the Rack on page 11 How to Remove the System Cover on page 14 How to Replace the System Cover on page 16 How to Avoid Electrostatic Discharge on page 18 How to Remove the System From the Rack on page 30 How to Place the System Into the Rack Glides on page 34 The following information is also included About the Status and Control Panel on page 20 About Communicating With the Server on page 23 Tools Required for Installation and Service on page 29 2 1 2 3 4 ol How to P
185. when working with the main logic board An antistatic mat provides the cushioning required to protect the board to prevent the main logic board from flexing and to provide antistatic protection Caution Perform this procedure on a workbench Sun Microsystems does not support changing the main logic board while the system is installed in a rack The NVRAM TOD module contains the system host identification ID and Ethernet address You can migrate your NVRAM TOD module from your old board to preserve your host ID and Ethernet address However if you are replacing the NVRAM TOD module and want to retain the same host ID and Ethernet address on the new main logic board consult your authorized Sun sales representative or service provider Before you remove the main logic board you must remove all removable components from it You can then transfer the components to the new main logic board after you install it Complete these tasks to remove the necessary components How to Power Off the System on page 2 How to Remove the System From the Rack on page 30 How to Remove the System Cover on page 14 How to Avoid Electrostatic Discharge on page 18 How to Remove the DC to DC Converter on page 54 How to Remove the Memory Riser Assembly on page 40 How to Remove a Memory Module on page 46 How to Remove a PCI Card on page 58 How to Remove the NVRAM TOD Module on page 72 How to Remov
186. ytes UltraSPARC II processor characteristics and associated features include SPARC V9 architecture compliant Binary compatible with all SPARC application code Multimedia capable visual instruction set VIS Multiprocessing support Glueless four processor connection with minimum latency Snooping cache coherency Four way superscalar design with nine execution units four integer execution units Three floating point execution units Two graphics execution units Selectable little or big endian byte ordering 64 bit address pointers 16 Kbyte non blocking data cache 16 Kbyte instruction cache single cycle branch following Power management Appendix 235 AN a Software prefetch instruction support a Multiple outstanding requests Memory System The system s main logic board provides sixteen slots for high capacity dual inline memory modules DIMMs Eight of the sixteen slots are located on the main logic board and the other eight memory slots are located on the memory riser assembly The system supports Sun standard 168 pin 5 volt 60 nanosecond DIMMs DIMMs of 16 32 64 128 and 256 Mbyte capacities can be installed in the system Total system memory capacity ranges from 64 Mbytes to 4 Gbytes Memory slots are organized into four banks bank 0 through bank 3 with each bank comprising four slots Each bank is divided between the main logic board and the memory riser assembly Consequently the DIMMs must be installed

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