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DEC 7000 AXP, VAX 7000 System Platform Service Manual

1. fni oooo000000 an gooooooooo oO n0000 Dopononono Do Dopoponono Do Sosnecoond Do gt 4 Sosuesgeng Do Sosuesgeng Do Sosuesgeng Do Sosuesoond Do Sosuesgeng Do 4 E Sosuesgong Do 20000 SBGHEEBEUH De csmuseon oo n0000 Dopoponono Do Dopoponono Do Dopononono Do Dopononono Do Dopononono Do Dopononono Do Sosuecgong Do Sosuesgeng Do o r3 nooo Bogoooooca D0 o ae 1 2 Configuration Rules About the Main Cabinet The main cabinet H 9F 00 AA AB AC contains the following components e Cabinet control system e LSB card cage with processor memory and I OP modules e Power and cooling systems e Oneor more plug in units for 1 0 Disks Batteries A removable media device RRD42 in DEC 7000 systems TF 85 in VAX 7000 systems is optional If used it is mounted next to the control panel in the main system cabinet Variants of the main cabinet are listed in Table 1 1 Table 1 1 Main Cabinet Variants Part Number Regulator H9F00 AA 120 208 V 60 Hz H9F00 AB 220 240 380 415 V 50 Hz H9F00 AC 202 V 50 60 Hz lTheRRD42 requires a dedicated KZM SA port in an XMI plug in unit in the main cabinet Configuration Rules 1 3 1 2 Expander Cabinet The expander cabinet looks like the main cabinet but without an LSB card cage or a control panel Disk plug in units may be in stalled in the space that
2. Block A lt Block C Fuse A BXB 0381 92 8 2 Battery Plug In Unit Removal 1 2 Turn the keyswitch to Disable At the rear of the cabinet shut the circuit breaker off by pushing down the handle To ensure that the circuit breaker is not unintentionally switched on again flip the lockout tag down Lock the tag in place with a padlock in the bottom hole of the bracket on either side of the tag See Section 4 2 steps 3 and 4 Remove the appropriate panel of the battery plug in unit If you are working in battery block A open the rear door if battery block B or C open the front door Break the main cable connection to the block of batteries in which you are working See in Figure 8 1 which shows the location of the main cable connection for battery block A This connection is in a simi lar location for blocks B and C next to the bottom half of the fuse Remove the fuse cover by removing the screw Phillips at the top of the cover and pulling the cover toward you and down See Usethe fuse puller from the Electrical Safety Kit to grip the fuse and pull it out Replacement 1 Position the cutout in the fuse contact over the rivet in one end of the fuse holder See Push the fuse into place Replace the fuse cover Connect the main cable connection to the battery block Close the door of the battery plug in unit Battery Plug In Unit 8 3 8 2 Cable Removal an
3. Figure 5 2 Rearof LSB Card Cage Showing IOP Module Rear BXB 0375 92 5 4 SB Card Cage Removal 1 Remove all I O cables See Section 5 1 2 Loosen the top and bottom screws alternately see in Figure 5 2 until the module is free of the connector Do not loosen one screw com pletely before loosening the other This keeps the module from binding in the card guides 3 Slide the module from the card cage Replacement 1 Slide the module into slot 8 of the card cage Slide it toward the centerplane until you feel resistance 2 Using a flat blade screwdriver minimum 3 inch wide apply slight inward pressure and turn the top screw until the threads are loosely engaged Repeat with the bottom screw 3 Alternately tighten the screws Do not tighten one completely before tightening the other Tighten until the connector seats or the torque increases noticeably maximum 20 inch pounds 4 Attach thel O cables See Section 5 1 LSB Card Cage 5 5 5 3 LSB Card Cage Removal and Replacement Remove all modules front and rear disconnect two cables from the front of the card cage and slide the cage out from the front Figure 5 3 LSBCard Cage C LA RIEA BXB 0376 92 5 6 LSB Card Cage Removal 1 Turn the keyswitch to Disable 2 Open the front door of the cabinet 3 Open the rear door of the cabinet 4 Ground yourself t
4. Configuration rules for each of these PI Us are discussed in the following sections Configuration Rules 1 13 1 6 1 XMI Plug In Unit The XMI PIU houses an XMI card cage and power regulators The XMI PIU is located in the bottom of the main cabinet or expander cabinet Figure 1 8 XMI Plug In Unit BXB 0368 92 1 14 Configuration Rules About the XMI Plug In Unit An XMI PIU is shown in Figure 1 8 The maximum number of XMI PIUs per cabinet is two The maximum per system is four XMI PIU Configuration Rules Each XMI PIU occupies two quadrants Q1 and Q2 or Q3 and Q4 see Figure 1 7 When the cabinet includes a VAXBI PIU the XMI PIU must be in quadrants Q1 and Q2 The total number of dual I O panels on the XMI bulkhead is 20 One of these is used for the I O cable from the IOP module XMI Configuration Rules Each XMI backplane has 12 slots of usable I O space The backplane has 14 slots two of which are reserved for the T2030 Y A and T2028 YA modules leaving 12 slots for 1 O The clock and arbitration module T2030 Y A must reside in slot 7 The T2028 AA module which is the interface between the LSB and XMI buses must reside in slot 8 The first option must reside in either slot 1 or slot 14 to terminate the XMI bus If the option is a two module set the module with the XMI corner must be in slot 1 or slot 14 If the cabinet has a VAXBI PIU the T2018 module XBIA must re side in slot 1 of
5. e Each Futurebus PIU occupies one quadrant Q2 or Q4 see Figure 1 7 e TheB2003 AA module must reside in slot 5 of the Futurebus card cage e Thesystem must include an XMI bus Configuration Rules 1 19 1 6 4 SCS Disk and Tape Plug In Unit The SCSI disk and tape PIU houses any combination of 3 5 inch disk and tape drives and 5 25 inch disk drives This PIU is located in the bottom of the main cabinet or in the top or bottom of the expander cabinet DEC 7000 Figure 1 11 SCSI Disk and Tape Plug In Unit SA gt L Ja 5 LL WLLL 4 s f fp BXB 0369A 92 1 20 Configuration Rules About the SCSI Disk and Tape Plug In Unit e Themaximum number of SCSI disk and tape PIUs is two in the main cabinet and four in the expander cabinet e Each SCSI disk PIU contains two shelves Each shelf contains seven slots for disks and tapes in any combination e Each 3 5 inch disk or tape uses one slot RZ26 VA disk TLZ06 VA tape e Each 5 25 inch disk uses three slots RZ73 VA disk SCSI Disk and Tape PIU Configuration Rules e TheSCSI disk PIU can occupy any quadrant see Figure 1 7 e Thearrow on therear panel of the PIU enclosure must point toward the blower That is the arrow must point up if the PIU isin Q1 through Q4 it must point down if the PIU is in Q5 or Qo Configuration Rules 1 21 1 6 5 DSSI Disk Plug In Unit The DSSI disk PIU ho
6. If connecting to a VAXBI this FRU must bein slot 1 T2018 17 03162 01 17 03163 01 17 03202 01 17 03416 01 17 03533 01 1 6 1 DWMBB A XMI to VAXBI controller Signal cable 48V power cable Power distribution cable rear of PIU 5VB jumper rear of PIU Bulkhead to XMI signal rear of PIU module with an XMI corner must be in slot 1 or 14 For more information see Section Field Replaceable Units A 9 A 5 FRUs in the VAXBI Plug In Unit Figure A 5 shows the field replaceable units FRUs in the VAXBI plug in unit Figure A 5 VAXBI Plug In Unit Front Showing FRU Loc ations BXB 0343A 92 A 10 Field Replaceable Units 89000006 70 24126 02 30 36010 01 30 36009 01 T1043 17 03162 01 17 03163 01 17 03202 01 VAXBI backplane assembly Module A power regulator Module B power regulator DWMBB B module XMI to VAXBI Signal cable 48V power cable Power distribution cable rear of PIU Field Replaceable Units A 11 A 6 FRUs in the Futurebus Plug In Unit Figure A 6 shows the field replaceable units FRUs in the 00 Futurebus plug in unit Figure A 6 Futurebus Plug In Unit Front Showing FRU Locations BXB 0343B 92 A 12 Field Replaceable Units ooce 54 21662 01 30 36011 01 30 36009 01 B2003 AA F uturebus backplane assembly Module A2 power regulator Module B power regulator DWLAA module LSB to F uturebus slot 5 Field Replaceable Units A 13 A 7 FRUs in the SCSI D
7. The maximum number of battery PIUs is one in the main cabinet and one in each expander cabinet Each battery PIU contains a minimum of one and a maximum of three blocks of batteries Each block contains four batteries One block of batteries is required for each power regulator in the cabi net Battery PIU Configuration Rules The battery PIU occupies two quadrants Q3 and Q4 see Figure 1 7 The battery block labeled A in Figure 1 13 is in the rear when the bat tery PIU is installed in the cabinet It consists of two batteries in the top tray and two batteries in the bottom Battery block B is in the front when the PIU is installed in the cabinet It consists of four batteries in the top tray Battery block C is alsoin the front it consists of four bat teries in the bottom tray Battery block A corresponds to power regulator A see Figure 1 4 bat tery block B to power regulator B and battery block C to power regula tor C If you reconfigure the power regulators see page 1 9 you must also reconfigure the batteries Configuration Rules 1 25 Chapter 2 Cabinet Doors and Panels This chapter contains the following sections e Door and Cable Cover Removal and Replacement e Top Panel and Air Filter Removal and Replacement e SidePanel Removal and Replacement Cabinet Doorsand Panels 2 1 2 1 Doorand Cable Cover Removal and Replacement Replace the doors and cable cover only if they sustain cosmetic damage The fron
8. AC box to CCL signal Control panel to CCL signal LDC toCCL signal 5 12 LDC to tape power CCL to LSB bulkhead signal LSB bulkhead to LSB backplane O cable long to expander cabinet 114 in I O cable short 53 in DEC power bus DSSI bulkhead signal LDC bulkhead power LDC bulkhead signal Control panel to CCL in expander cabinet 1 Remove the right side panel as viewed from the front of the cabinet see Section 2 3 2 Remove the screws on the strain relief clamps visible from the sideo f the cabinet 3 Remove all ends of the cable These ends are at the CCL module the DC distribution box and the floating connector in each PIU quadrant Y ou must remove all PIUs to gain access to the floating connectors see Chapters 6 through 8 Field Replaceable Units A 7 A 4 FRUs in the XMI Plug In Unit Figure A 4 shows the field replaceable units FRUs in the XMI plug in unit Figure A 4 XMI Plug In Unit Front Showing FRU Locations BXB 0343 92 A 8 Field Replaceable Units oooce 60000 lA 70 30396 01 30 36010 01 30 36009 01 T2028 AA T2030 YA XMI backplane assembly Module A power regulator Module B power regulator DWLMA module LSB to XMI slot 8 Clock and arbitration module slot 7 These FRUs can reside in any XMI slot except 7 or 8 T 2020 00 T2027 00 T2080 YA T2036 AA XMI to NI controller XMI to FDDI controller XMI to Cl controller XMI to DSSI controller
9. FRUs that can be accessed from the front of the cabinet Figure A 1 Platform Cabinet Front Showing FRU Locations a y mars VA FT 5 MB Fil See BXB 0021C 92 A 2 Field Replaceable Units 70 28574 02 E 2040 AA or E2045 AA E2043 AA or E2043 BA or E2043 CA or E2046 AA 54 20306 01 30 33796 01 or 30 33796 02 12 35173 01 DWLMA xx or DWMBB LA BA655 AA or BA654 AA H7237 AA o ce o oo oo LSB centerplane and card cage 2 DEC 7000 CPU module VAX 7000 CPU module Memory module 64 M bytes 2 Memory module 128 M bytes Memory module 256 M bytes 2 M emory module 512 M bytes 3 Control panel Power regulator Blower XMI plug in unit see page A 8 VAXBI plug in unit see page A 10 SCSI disk plug in unit gt see page A 14 DSSI disk plug in unit gt see page A 16 Battery plug in unit see page A 18 Removal and replacement of this FRU requires access to both the front and the rear of the cabinet 2This FRU isin the main cabinet only cannot be located in the expander cabinet 2This FRU can belocated in either the front or the rear of the cabinet 4 Replace xx with AA if FRU is located in the main cabinet or with BA if FRU is located in the expander cabinet This FRU can be located in the bottom of the main cabinet or in the t
10. configuration rules 1 8 M Main cabinet configuration rules 1 2 Memory module A 3 A 5 placement rules 1 8 Module placement rules 1 9 N NodelD 1 9 P Plug in units battery 1 24 8 1 A 3 A 5 A 18 DSSI disk 1 22 7 10 A 3 A 5 A 16 Futurebus 1 18 6 1 A 5 A 12 quadrant locations 1 12 SCSI disk and tape 1 20 7 2 A 3 A 5 A 14 VAXBI 1 16 6 1 A 10 XMI 1 14 6 1 A 3 A 5 A 8 Power regulator 4 2 A 3 I O PIU 6 2 Power supply SCSI PIU 7 4 Power system AC input box 4 4 DC distribution box 4 6 configuration rules 1 6 power regulator 4 2 Pressure sensor 3 10 A 5 Processor module A 3 placement rules 1 9 Q Quadrant locations 1 12 R Remote front panel DSSI PIU brick 7 12 Removable media device 1 2 3 4 A 5 S SCSI disk and tape plug in unit A 3 A 5 A 14 configuration rules 1 20 disk drive 7 2 enclosure 7 8 power supply 7 4 shelf 7 6 tape drive 7 2 Shelf SCSI PIU 7 6 Side panel 2 6 T Tape drive removable media device 1 2 3 4 SCSI PIU 7 2 Top panel 2 4 V VAXBI plug in unit 6 1 A 3 A 5 A 10 air filter 6 6 configuration rules 1 16 enclosure 6 4 power regulator 6 2 X XMI plug in unit 6 1 A 3 A 5 A 8 air filter 6 6 configuration rules 1 14 endosure 6 4 power regulator 6 2 Index 3
11. plug in unit Figure A 9 Battery Plug In Unit Rear Showing FRU Locations Block A BXB 0344 92 NOTE Thebattery plug in unit is shown in Figure A 9 without its enclo sure A 18 Field Replaceable Units 9900000 6 H 7238 AA 12 39982 01 17 03421 01 17 03492 01 17 03493 01 17 03494 01 17 03494 02 17 03494 03 Battery block contains four 12 36168 02 batteries Fuse LPN RK 90 Battery sensor cable Intermediate cable battery block A ntermediate cable battery block B or C Power regulator A to battery block A Power regulator B to battery block B Power regulator C to battery block C Field Replaceable Units A 19 A AC input box 4 4 A 5 Air filter 1 O PIU 6 6 top panel 2 4 Air pressure sensor 3 10 Battery plug in unit A 3 A 5 A 18 batteries 8 6 cables 8 4 configuration rules 1 24 fuse 8 2 BA650 See battery plug in unit BA651 See XMI plug in unit BA652 See VAXBI plug in unit BA653 SeeFuturebus plug in unit BA654 See DSSI disk plug in unit BA655 See SCSI disk and tape plug in unit Blower 4 8 A 3 A 5 C Cabinet cable cover 2 2 doors 2 2 expander 1 4 main 1 2 side panel 2 6 top panel 2 4 Cabine control logic module 3 8 A 5 Cabinet control system cabinet control logic module 3 8 Index control panel 3 2 local disk converter 3 6 pressure sensor 3 10 removable media device 3 4 Cables A 6 battery PIU 8 4 DSSI PIU po
12. 1 DEC 7000 VAX 7000 Documentation Title Order Number Installation Kit EK 7000B DK SitePreparation Guide EK 7000B SP Installation Guide EK 700EB IN Hardware User Information Kit EK 7001B DK Operations Manual EK 7000B OP Basic Troubleshooting EK 7000B TS Service Information Kit VAX 7000 EK 7002A DK Platform Service Manual EK 7000A SV System Service M anual EK 7002A SV Pocket Service Guide EK 7000A PG Advanced Troubleshooting EK 7001A TS Service Information Kit DE C 7000 EK 7002B DK Platform Service Manual EK 7000A SV System Service M anual EK 7002B SV Pocket Service Guide EK 7700A PG Advanced Troubleshooting EK 7701A TS Table 1 DEC 7000 VAX 7000 Documentation Continued KA7AA CPU Technical Manual KN7AA CPU Technical Manual MS7AA Memory Technical Manual O System Technical Manual Platform Technical Manual Upgrade Manuals KA7AA CPU Installation Guide KN7AA CPU Installation Guide MS7AA Memory Installation Guide KZM SA Adapter Installation Guide DWLMA XMI PIU Installation Guide DWMBB VAXBI PIU Installation Guide H7237 Battery PIU Installation Guide H7263 Power Regulator Installation Guide BA654 DSSI Disk PIU Installation Guide BA655 SCSI Disk and TapePIU Installation Guide Removable M edia Installation Guide Title Order Number Reference Manuals ConsoleReference Manual EK 70COB TM EK KA7AA TM EK KN7AA TM EK MS7AA TM EK 70l OA TM EK 7000A TM EK KA7AA IN EK KN7AA IN EK MS7AA IN EK K
13. 4 2 AC Input Box Removal and Replacement The AC input box attaches to the cabinet with slotted captive screws the ground strap attaches to the AC input box with an 8 mm nut Removal and replacement require access to both the front and rear of the cabinet Figure 4 2 AC Input Box BXB 0374 92 4 4 Powerand Cooling Systems Removal 1 2 3 10 11 Turn the keyswitch to Disable Open the front and rear doors of the cabinet At the rear of the cabinet shut the circuit breaker off by pushing down the handle Toensure that the circuit breaker is not unintentionally switched on again flip the lockout tag down See in Figure 4 2 Lock the tag in place with the padlock from the Electrical Safety Toolkit Place the padlock in the bottom hole of the bracket on either side of the tag Disconnect the system power cord From the front of the cabinet remove all power regulators and filler modules See Section 4 1 for power regulator removal To remove any filler modules do the following a Loosen the captive screws at the top and bottom of the filler mod ule b Grasp the handles and remove the filler module by sliding it for ward Loosen the four captive screws on the front of the AC input box See shown with power regulators removed At the rear of the ca
14. Panel Removal and Replacement 3 2 3 2 Removable Media Device Removal and Replacement 3 4 3 3 Local Disk Converter Removal and Replacement 3 6 3 4 Cabinet Control Logic Module Removal and Replacement 3 8 3 5 Pressure Sensor Removal and Replacement 3 10 Chapter 4 Power and Cooling Systems 4 1 Power Regulator Removal and Replacement 4 2 4 2 AC Input Box Removal and Replacement 4 4 4 3 DC Distribution Box Removal and Replacement 4 6 4 4 Blower Removal and Replacement ssssssss 4 8 Chapter 5 LSB Card Cage 5 1 I O Cables Removal and Replacement sss 5 2 5 2 IOP Module Removal and Replacement 5 4 5 3 LSB Card Cage Removal and Replacement 5 6 Chapter 6 I O Plug In Units 6 1 Power Regulator Removal and Replacement 6 2 6 2 Enclosure and Card Cage Removal and Replacement 6 4 6 3 Air Filter Cleaning esseeesesesseeseeeeeeneennenen nennen 6 6 Chapter 7 Disk Plug In Units 7 1 SCSI Disk and Tape Plug In Unit seesssss 7 2 7 1 1 Disk or Tape Removal and Replacement 7 2 7 1 2 Power Supply Removal and Replacement 7 4 7 1 3 Shelf Removal and Replacement s
15. eccceseesecsceeceseeeeeeeeteeeseseeenaeseneeenaeees 1 4 System With Two Expander Cabinets Front View 1 5 Power Syste i di asd a e i a e LEE ERR Edeka aaa 1 6 LSB Card Cage Top View 1 8 VO Tnte face ids teer tet ie erede teneo 1 10 Location of PIU Quadrants eese 1 12 XMI Plug In UNIE aerisit aeea eaa e nennen 1 14 VAXBI Plug In Unit sesssessseeeeenen nennen 1 16 Futurebust Plug In Unit seen 1 18 SCSI Disk and Tape Plug In Unit 1 20 DSSI Disk Plug In Unit 1 22 Battery Plug In Unit sessssseeeeeenenn 1 24 Cabinet Door and Cable Cover sssssssesess 2 2 Top Panel ette e e tree E ee HERE 2 4 Side Patel acit e e role te tae d ds 2 6 Control Panel tr cete neret ti esce eer ke ee Naaa 3 2 Removable Media Device eesseeeeeeeeenn 3 4 Local Disk Converter sseseeseseeeeeenennennnennnn 3 6 Cabinet Control Logic Module Viewed from Front of Cabinet pe E 3 8 Pressure Sensor Location Viewed from F ront of is ap 3 10 Power Regulators sesesesssssseeeeeeene entere nennen 4 2 AC Input BOX aee id eh ed Ree HR RERRS 4 4 DC Distribution BOX eeeeeseeeeeneennnn nnne 4 6 jog C 4 8 I O G abl6 cente i retis ee ote retient 5 2 Rear of LSB Card Cage Showing I OP Module 5 4 ESB Card Cage ise uda a
16. from the enclosure See Section 7 1 3 4 Loosen the two slotted captive screws at the top front of the enclosure See in Figure 7 4 5 Remove the two Phillips screws at the bottom front of the enclosure See 9 6 Slidethe enclosure straight out of the cabinet Replacement 1 Check that the arrow on the rear panel of the replacement enclosure points toward the blower seethe inset in Figure 7 4 If it does not remove the 12 Phillips screws that attach the rear panel tothe endo sure turn the rear panel around and reattach it to the enclosure 2 Lineuptherollers at the top of each side of the enclosure see with the slides in the cabinet and push the endosure straight into the cabi net until it seats 3 Replacethe bottom two Phillips screws and tighten the top two captive Screws 4 Replacethe shelves Disk Plug In Units 7 9 7 2 DSSI Disk Plug In Unit The DSSI disk plug in unit is used only in VAX 7000 sys VAX tems 7000 7 2 1 Local Disk Converter Removal and Replacement Pull the brick from the enclosure and remove the 13 Phillips screws from the cover The local disk converter module is at tached to the underside of the brick cover by four Phillips screws Figure 7 5 DSSI PIU Underside of Brick Cover Showing Local Disk Converter Local Disk Converter Modules BXB 0365 92 7 10 Disk Plug In Units Removal 1 2 3 Turn the keyswitch to Disable Open the cabinet door Remove the disk br
17. gasket before replacing the front half of the en closure to determine that the gasket is not broken 2 Reversethe steps in the Removal procedure above V O Plug In Units 6 5 6 3 Air Filter Cleaning The air filter is located in the bottom of the I O PIU enclosure front half Clean it with a vacuum cleaner or a wire brush pref erably brass Figure 6 3 1O PIU Air Alter Air Filter BXB 0378 92 66 O Plug In Units Air Filter Cleaning 1 2 Turn the keyswitch to Disable Open the front door of the cabinet if you are working on an XMI or VAXBI PIU the rear door if Futurebus PIU Loosen the two spring loaded fasteners Phillips and remove the PIU enclosure door Slide the filter out Clean the filter with a vacuum cleaner or a wire brush preferably brass Replace the filter Replace the enclosure door Close the cabinet door V O Plug In Units 6 7 Chapter 7 Disk Plug In Units This chapter contains the following sections SCSI Disk and Tape Plug In Unit Disk or Tape Removal and Replacement Power Supply Removal and Replacement Shelf Removal and Replacement Endosure Removal and Replacement DSSI Disk Plug In Unit Local Disk Converter Removal and Replacement Remote Front Panel Removal and Replacement Disk Removal and Replacement Endosure Removal and Replacement Power and Signal Harness Removal and Replacem
18. gaskets e Torque the nuts 10 mm that attach the power cables removed in step 13 above to 2 5 newton meters 22 inch pounds LSBCard Cage 57 Chapter6 I O Plug In Units This platform can house plug in units for three I O buses e XMI e VAXBI e Futurebus The field replaceable units in these three plug in units are removed and replaced in the same way so only one set of instructions is given This chapter contains the following sections e Power Regulator Removal and Replacement e Enclosure and Card Cage Removal and Replacement e Air Filter Cleaning I O Plug In Units 6 1 6 1 Power Regulator Removal and Replacement Disconnect the cables and loosen the three slotted captive screws on the front of the regulator Grasp the handhold and pull the power regulator out of the enclosure Figure 6 1 I O PIU Power Regulators BXB 0377 92 62 O Plug In Units NOTE Thefollowing instructions apply to both power regulators Removal 1 Turn the keyswitch to Disable 2 Open the front door of the cabinet if you are working on an XMI or VAXBI PIU the rear door if Futurebus PIU 3 Loosen the two spring loaded Phillips fasteners and remove the endo sure door See in Figure 6 1 4 Ground yourself to the cabinet with the antistatic wrist s
19. module IMPORTANT Thesystem will not power up compl amp dy if this hoseis left unattached Cabinet Control Sytem 3 9 3 5 Pressure Sensor Removal and Replacement The pressure sensor is mounted on the CCL module Section 3 4 Access is from the rear of the cabinet Figure 3 5 Pressure Sensor Location Viewed from Front of Cabinet vun w i Air Pressure E Sensor BXB 0044L 92 3 10 Cabinet Control System Removal 1 Remove the cabinet control logic module See Section 3 4 2 On the back side of the cabinet control logic module remove the two screws slotted that hold the pressure sensor in place 3 Disconnect the two spade lugs from the side of the pressure sensor See in Figure 3 5 Replacement e Reverse the steps in the Removal procedure above Cabinet Control Sytem 3 11 Chapter 4 Power and Cooling Systems This chapter contains the following sections Power Regulator Removal and Replacement AC Input Box Removal and Replacement DC Distribution Box Removal and Replacement Blower Removal and Replacement Powerand Cooling Systems 4 1 4 1 Power Regulator Removal and Replacement The power regulators attach to the cabinet with Phillips captive screws Access is from the front of the cabinet WARNING Thepowe regulator has a heated surface on oneside Figure 4 1 Power Regulators BXB 006
20. oz o ni EE P EE A 12 SCSI Disk Plug In Unit Front Showing FRU io ez ONS E E ROTEN DULL EP A 14 DSSI Disk Plug In Unit Front Showing FRU WL OGALIOMS ERR RE ERE PEE A A 16 Battery Plug In Unit Rear Showing FRU Locations A 18 DEC 7000 VAX 7000 Documentation seeesess ix Related Documents ssessesseeeeeeeen enne nnne nnn xi Main Cabinet Variants sees 1 3 Memory Module Placement sese 1 8 Preface Intended Audience This manual is written for the customer service engineer Document Stucture This manual uses a structured documentation design Topics are organized into small sections for efficient reference Each topic begins with an ab stract You can quickly gain a comprehensive overview by reading only the abstracts Next is an illustration which also provides quick reference Last in the structure is a procedure This manual has eight chapters and one appendix as follows e Chapter 1 Configuration Rules gives you information about con figuring each part of the system e Chapters 2 through 8 provide removal and replacement instructions for each field replaceable unit Chapter 2 Cabinet Doors and Panels Chapter 3 Cabinet Control System Chapter 4 Power and Cooling Systems Chapter 5 LSB Card Cage Chapter 6 I O Plug In Units Chapter 7 Disk Plug In Units Chapter 8 Battery Plug In Unit e Appendix A
21. 4D 92 4 2 Powerand Cooling Systems Removal 1 2 3 Turn the keyswitch to Disable Open the front and rear doors of the cabinet At the rear of the cabinet shut the circuit breaker off by pushing down the handle To ensure that the circuit breaker is not unintentionally switched on again flip the lockout tag down Lock the tag in place with the padlock from the Electrical Safety Toolkit Place the padlock in the bottom hole of the bracket on either side of the tag See Section 4 2 step 4 From the front of the cabinet loosen the two captive screws Phillips one each at the top and bottom of the power regulator to be removed See in Figure 4 1 WARNING Onesideof the power regulator is a heated surface Do not touch the side when removing the power regulator CAUTION The power regulator weighs 20 kg 40 4 Ib Because of the height of this unit in the cabinet you should not remove the power regulator from the cabinet by yoursef Slide the power regulator out from the front of the cabinet There will be some resistance Replacement 1 From the front of the cabinet seat the replacement power regulator in its slot and push it in as far as it will go without lifting the precharge stop see in Figure 4 1 Wait 5 seconds and then lift the precharge stop and push the power regulator in the rest of the way Tighten the captive screws at the top and bottom of the power regula tor Powerand Cooling Systems 4 3
22. DEC 7000 AXP System VAX 7000 Platform Service Manual Order Number EK 7OO0A SV 001 This manual is intended for Digital service engineers It includes configu ration rules and instructions for the removal and replacement of field replaceable units FRUs in the H9F00 AA AB AC and H9F00 BA BB BC cabinets digital equipment corporation maynard massac husetis First Printing November 1992 The information in this document is subject to change without notice and should not be construed as a commitment by Digital Equipment Corporation Digital Equipment Corporation assumes no responsibility for any errors that may appear in this document The software if any described in this document is furnished under a license and may be used or copied only in accordance with the terms of such license No respon sibility is assumed for the use or reliability of software or equipment that is not supplied by Digital Equipment Corporation or its affiliated companies Copyright 1992 by Digital Equipment Corporation All Rights Reserved Printed in U S A The following are trademarks of Digital Equipment Corporation Alpha AXP DECUS VAXBI AXP DWMVA VAXELN DEC OpenVMS VMScluster DECchip ULTRIX XMI DEC LANcontroller UNIBUS TheAXP logo DECnet VAX FRA OSF 1is a registered trademark of the Open Software Foundation I nc FCC NOTICE The equipment described in this manual generates uses and may emit radio frequency energy Th
23. Each I O bus is housed in a plug in unit PIU e An I O cable connects the IOP module to an I O PIU e Themaximum length of each I O cable is 3 meters 10 feet e Each I O cable consists of two separate unidirectional interconnects Configuration Rules 1 11 1 6 Plug In Units Plug in units PIUs are located in the main and expander cabi nets as shown in Figure 1 7 Both cabinets have space for PIUs in the bottom The expander cabinet also has PIU quadrants in the top Figure 1 7 PIU Quadrant 1 PIU Quadrant 5 PIU Quadrant 1 Location of PIU Quadrants Front eo Front u 1 12 Configuration Rules Quadrant 3 Main Cabinet PIU Quadrant 3 PIU Quadrant 4 Rear Expander Cabinet PIU PIU Quadrant 4 Rear PIU Quadrant 2 PIU Quadrant 6 PIU Quadrant 2 BXB 0044K 92 About Plug In Units e Plug in units PIUS house options in the main and expander cabinets e These options are housed in P Us XMI VAXBI Futurebus SCSI disks and tapes DSSI disks Batteries e PlUsarelocated in the PIU quadrants as shown in Figure 1 7 The main cabinet has four PIU quadrants and the expander cabinet has Six e TheXMI VAXBI and battery PIUs each require two quadrants the Futurebus and disk PIUs each require one quadrant
24. XMSX IN EK DWLMA IN EK DWMBB IN EK H7237 IN EK H7263 IN EK BA654 IN EK BA655 IN EK TFRRD IN Table 2 Related Documents Tide Order Number General Site Preparation Site Environmental Preparation Guide System I O Options BA350 Modular Storage Shelf Subsystem Configuration Guide BA350 Modular Storage Shelf Subsystem U ser s Guide BA350 LA Modular Storage Shelf User s Guide CI XCD Interface User Guide DEC FDDIcontroller 400 I nstallation Problem Solving DEC LANcontroller 400 Installation Guide DEC LANcontroller 400 Technical Manual DSSI VAXdluster Installation and Troubleshooti ng Manual InfoServer 150 Installation and Owner s Guide KDM70 Controller User Guide KFMSA Modulelnstallation and User Manual KFMSA ModuleService Guide RRD42 Disc Drive Owner s Manual RF Series Integrated Storage Element User Guide TF85 Cartridge Tape Subsystem Owner s Manual TLZO6 Cassette Tape Drive Owner s Manual EK CSEPG MA EK BA350 CG EK BA350 UG EK 350LA UG EK CIXCD UG EK DEMFA IP EK DEMNA IN EK DEMNA TM EK 410AA MG EK INFSV OM EK KDM70 UG EK KFMSA IM EK KFMSA SV EK RRD42 OM EK RF72D UG EK OTF85 OM EK TLZ06 OM Table 2 Related Documents Continued DECn amp for OpenVMS Network Management Utilities Guideto Installing DEC OSF 1 OpenVMS Alpha Version 1 0 Upgrade and Installation Manual VMS Upgradeand Installation Supplement VAX 7000 600 and VAX 10000 600 Series VMS Networ
25. ap tive screws at the top and remove the two Phillips screws at the bottom of the enclosure Slide the enclosure out When replacing check that the arrow on the rear panel points toward the blower Figure 7 8 DSSI PIU Enclosure BXB 0360 92 7 16 Disk Plug In Units Removal 1 Turn the keyswitch to Disable 2 Open the cabinet door 3 Remove the disk bricks from the enclosure by removing the screws in the upper right and upper left corners of each brick and pulling each brick toward you 4 Loosen the two slotted captive screws at the top front of the enclosure See in Figure 7 8 5 Remove the two Phillips screws at the bottom front of the enclosure See 9 6 Slidethe enclosure straight out of the cabinet Replacement 1 Check that the arrow on the rear panel of the replacement enclosure points toward the blower seethe inset in Figure 7 8 If it does not remove the 12 Phillips screws that attach the rear panel tothe endo sure turn the rear panel around and reattach it to the enclosure 2 Lineup the rollers at the top of each side of the enclosure see with the slides in the cabinet and push the enclosure straight into the cabi net until it seats 3 Replace the bottom two Phillips screws and tighten the top two captive Screws 4 Replacethe disk bricks Disk Plug In Units 7 17 7 2 5 Powerand Signal Hamess Removal and Replacement Remove the enclosure from the ca
26. binet Remove the rear panel which is attached to the enclosure by 12 Phillips screws Pull the three plastic connectors straight out remove the two Phillips screws from the drawer connector and compress and push the pins from the front Figure 7 9 DSSI PIU Powerand Signal Hamess O Detail of drawer o 5 connector 9 ots o 9 e o o fe BB Be o 000000 000000 Power pins o 000 OoOoo0 o Oo oooooooo oo0o00000 Sawtooth edge 0 0 BXB 0379 92 7 18 Disk Plug In Units Removal 9 Turn the keyswitch to Disable Open the cabinet door Remove the disk bricks from the enclosure by pulling each brick to ward you Loosen the two slotted captive screws at the top front of the endosure Remove the two Phillips screws at the bottom front of the enclosure Pull the enclosure straight out of the cabinet Remove the rear panel of the enclosure which is attached to the enclo sure by 12 Phillips screws Remove the three plastic connectors at the rear of the enclosure by pulling them straight out See in Figure 7 9 From the front of the enclosure compress the pins on one side of the plastic connector and push them through the hole repeat on the other side Pull the connec tor out
27. binet remove the ground strap at the AC input box end 8 mm nut See O Remove the right plastic cover from the DC distribution box above the AC input box Hold the AC input box to prevent it from falling Pull the bracket at tached to the DC distribution box up and push the bracket to the right to hold it in place See This bracket is partially obscured by the left plastic cover on the DC distribution box Do not remove this plas tic cover Remove the AC input box from the rear of the cabinet Replacement Reverse the steps in the Removal procedure above Powerand Cooling Systems 4 5 4 3 DC Distribution Box Removal and Replacement The DC distribution box is installed in the cabinet with Phillips screws Connections to the assembly use 8 mm and 10 mm nuts Removal and replacement require access to both the front and rear of the cabinet Figure 4 3 DC Distribution Box BXB 0373 92 4 6 Powerand Cooling Systems Removal 1 2 3 9 10 11 12 13 14 15 Turn the keyswitch to Disable Open the front and rear doors of the cabinet At the rear of the cabinet shut the circuit breaker off by pushing down the handle To ensure that the circuit breaker is not unintentionally switched on again flip the lockout tag down Lock the tag in place with the padlock from the Electrical Safety Toolkit Place the padlock in the bo
28. bout the LSB Card Cage TheLSB card cage has slots for nine modules These modules are a combination of processor K N7AA AA or KA7AA AA memory MS7AA AA BA CA DA and I O port IOP E2044 AA modules The maximum number of processor modules is six The maximum number of memory modules is seven Memory modules may reside in slots 1 through 7 only The maximum amount of memory in a DEC 7000 system is 14 Gbytes in a VAX 7000 system it is 3 5 Gbytes Memory module sizes are 64 Mbyte MS7AA AA 128 Mbyte MS7AA BA 256 Mbyte MS7AA CA and 512 Mbyte MS7AA DA All but the 64 M byte module sup port two way interleaving Mixed sizes of memory modules may be in stalled in the LSB card cage Each system must have one IOP module which must reside in slot 8 The minimum configuration is one processor module one memory module and one I OP module In this configuration the processor mod ule must reside in slot 0 and the memory module in slot 7 Module Placement Rules Due to the speed of the LSB bus these rules must be followed The goal is to keep all modules as close together as possible This is best accomplished by alternating memory modules between the front and rear of the card cage Configure modules in this order 1 2 3 4 Check that the OP module is in slot 8 Place the first four processor modules starting in slot O through slot 3 Next configure memory modules as shown in Table 1 21 Insert any re
29. contains a quick reference to the location of each field replaceable unit vii Conventions Used in This Doc ument Terminology Unless specified otherwise the use of system refers to either a DEC 7000 AXP or VAX 7000 system The DEC 7000 AXP systems use the Alpha AXP architecture References in text use DEC 7000 to refer to DEC 7000 AXP systems When a discussion applies to only one system an icon is used to highlight that system Otherwise the discussion applies to both systems Thus the abstract for a module that applies only to DEC 7000 systems would look like this This section shows a sample boot of Open VMS Alpha AXP from the RRD42 CD drive for DEC 7000 systems The first step is issuing the show device command to determine the location of the RRD42 DEC 7000 Book titles n text if a book is cited without a product name that book is part of the hardware documentation It is listed in Table 1 along with its order number Icons The icons shown below are used in illustrations for designating part placement in the system described A shaded area in the icon shows the lo cation of the component or part being discussed d f Front Rear Part numbers Part numbers are listed in Appendix A of this manual Documentation Titles Table 1 lists the books in the DEC 7000 and VAX 7000 documentation set Table 2 lists other documents that you may find useful viii Table
30. d Replacement Remove the fuse for the battery block with which you are working before removing the cable Figure 8 2 Battery PIU Rear Showing Cable Routing 17 03421 01 17 03494 02 17 03421 01 17 03494 01 ide To Regulator A 17 03494 02 17 03493 01 To Regulator B SAS RED c ZA S o Regulator d A Br f K KS oS 17 03493 01 RSA 17 03421 01 Block C 17 03494 03 17 03494 01 17 03492 01 L7 BXB 0382 92 8 4 Battery Plug In Unit Removal 1 2 Follow the procedure in Section 8 1 to remove the fuse Disconnect the cable and remove it See the detail drawing of the cable in Figure 8 2 for routing Replacement 1 Snake the replacement cable through the channel in the side of the cabinet Make all cable connections as shown in Figure 8 2 If you are replacing the battery sense cable 17 03421 01 route it along the power cable path to the appropriate battery block Replace the fuse See the Replacement procedure in Section 8 1 Battery Plug In Unit 8 5 8 3 Battery Removal and Replacement Remove the fuse for the battery block you are replacing Then re move the battery hold down bracket and the batteries For blocks B and C remove the front batteries then pull the tray out and tilt it down to gain access to the rear batteries Figure 8 3 Battery Hold Down Brackets BXB 0383 92 8 6 Battery Plug In Unit Removal 1 Fol
31. e box are at the bottom Reverse the steps in the Removal procedure above Powerand Cooling Systems 4 9 Chapter 5 LSB Card Cage This chapter contains the following sections e 1 0 Cables Removal and Replacement e OP Module Removal and Replacement e LSB Card Cage Removal and Replacement NOTE Removal and replacement instructions for processor and memory modules can befound in the System Service Manual LSB Card Cage 51 5 1 I O Cables Removal and Replacement The I O cables connect the IOP E2044 AA and DWLMA T2028 AA or DWLAA B2003 AA modules Each connection is a set of two unidirectional cables Each system has one to four sets of I O cables Figure 5 1 I O Cable BXB 0385 92 5 2 LSBCard Cage Removal 1 Turn the keyswitch to Disable 2 Open the rear door of the cabinet 3 Loosen the captive screws slotted to remove the cable connectors at both ends of the I O cable to be replaced See in Figure 5 1 Replacement 1 Attach the LSB end with pin 50 on top 2 Routethe replacement I O cable through the same path as the original one was routed 3 Attach the bulkhead end The connector is asymmetrical to ensure proper orientation LSBCard Cage 53 5 2 IOP Module Removal and Replacement The IOP module is held in the LSB card cage by two slotted screws Remove the I O cables then loosen the IOP screws alter nately until the module is free of the connector
32. e equipment has been type tested and found to comply with the limits for a Class A computing device pursuant to Subpart J of Part 15 of FCC Rules which are designed to provide reasonable protection against such radio frequency interference when operated in a commercial environment Op eration of this equipment in a residential area may cause interference in which case the user at his own expense may be required to take measures to correct the interference Chapter 1 Configuration Rules 1 1 Main Cabinet eee P ere enn 1 2 1 2 Expander Cabinet eesseesssssseenen nen 1 4 1 3 Power System net tosh auaa nyaan araa aaen 1 6 1 4 LSB Gard Cage Genes eal ante eie date e 1 8 1 5 I O Interface isidi ek Pet Een 1 10 1 6 Pl cgslin U nlts itc e ner eter ette ets 1 12 1 6 1 XMI Plug In Unit 1 14 1 6 2 VAXBI Plug In Unit eeseseeeeeenen 1 16 1 6 3 Futurebust Plug l n Unit senes 1 18 1 6 4 SCSI Disk and Tape Plug In Unit 1 20 1 6 5 DSSI Disk Plug In Unit eeeeeenee 1 22 1 6 6 Battery Plug In Unit sssseeeeenene 1 24 Chapter 2 Cabinet Doors and Panels 2 1 Door and Cable Cover Removal and Replacement 2 2 2 2 Top Panel and Air Filter Removal and Replacement 2 4 2 3 Side Panel Removal and Replacement 2 6 Chapter 3 Cabinet Control System 3 1 Control
33. ede ade kak 5 6 7 5 7 6 7 7 7 9 8 1 8 2 8 4 A 1 A 2 A 3 A 4 A 5 A 6 A 7 A 8 A 9 Tables vi 1 0 PIU Power Regulators eeeen 6 2 I O PAUPEDCIOSUEOG iresi s ciascun ete Rc rentre en 6 4 WO PIU Air F tIter cenaa anna 6 6 SCSI PIU Disks and Tapes 7 2 SCSI PIU Power Supply seeeeeeneemenne 7 4 SCSI PIU Shelf edite teet ees 7 6 SCSI PIU EnclOSUF6 icit tiec nece emn coss 7 8 DSSI PIU Underside of Brick Cover Showing Local Disk Converter sesssseseeeeeeee nennen nennen 7 10 DSSI PIU Underside of Brick Cover Showing Remote Front Panel 12 iecore eco etd e Ven trien eaten 7 12 DSS PIU DISKS2 5ita ia nici edis 7 14 DSSI PIU Endlosure eeseeeeeeeenneenen nennen 7 16 DSSI PIU Power and Signal Harness sss 7 18 Battery PIU Fuse iecit eter ie trabes 8 2 Battery PIU Rear Showing Cable Routing 8 4 Battery Hold Down Brackets ssssssssese 8 6 Rear Batteries Blocks B and C seeeeee 8 7 Platform Cabinet Front Showing FRU Locations A 2 Platform Cabinet Rear Showing FRU Locations A 4 Platform Cabinet Rear and Front Showing Cables A 6 XMI Plug In Unit Front Showing FRU Locations A 8 VAXBI Plug In Unit Front Showing FRU Locations A 10 Futurebus Plug In Unit Front Showing FRU Ilo
34. ent Disk Plug In Units 7 1 7 1 SCS Disk and Tape Plug In Unit The SCSI disk and tape plug in unit is used only in DEC DEC 7000 systems 7000 7 1 1 Disk or Tape Removal and Replacement Press both mounting tabs in and slide the disk or tape drive out of the shelf Use both hands to fully support the weight of the drive Figure 7 1 SCSI PIU Disks and Tapes BXB 0362C 92 7 2 Disk Plug In Units Removal 1 Turn the keyswitch to Disable 2 Open the cabinet door 3 Press in both mounting tabs on the disk or tape drive See in Figure 7 2 4 Using both hands to support the weight slide the disk or tape drive out of the shelf Replacement l Insert the disk or tape drive in the guide slots 2 Pushthedrivein until the mounting tabs lock in place Disk Plug In Units 7 3 7 1 2 Power Supply Removal and Replacement Disconnect the cable from the power supply Press the mounting tabs in and slide the power supply out of the shelf Use both hands to fully support the weight Figure 7 2 SCSI PIU Power Supply 4 BXB 0362B 92 7 4 Disk Plug In Units Removal 1 Turn the keyswitch to Disable 2 Open the cabinet door 3 Disconnect the input power cord from the power supply See in Fig ure 7 2 Press in both mounting tabs on the pow
35. er supply See 5 Using both hands to support the weight slide the power supply out of the shelf Replacement 1 Insert the power supply in the guide slots 2 Push the power supply in until the mounting tabs lock in place 3 Connect theinput power cord Disk Plug In Units 7 5 7 1 3 Shelf Removal and Replacement Remove all storage devices and power supplies Loosen the two captive screws and slide the shelf out of the enclosure Figure 7 3 SCSI PIU Shelf Q AN La 7 LW 2 JA BXB 0386 92 7 6 Disk Plug In Units Removal 1 Turn the keyswitch to Disable 2 Open the cabinet door 3 Remove the disks tapes and power supplies from the shelf See Sec tions 7 1 1 and 7 1 2 4 Loosen the two captive screws at the top of the shelf See in Figure 7 3 5 Slide the shelf out of the enclosure Replacement e Reverse the steps in the Removal procedure above Disk Plug In Units 7 7 7 1 4 Enclosure Removal and Replacement Remove the shelves from the enclosure Loosen the two slotted captive screws at the top and remove the two Phillips screws at the bottom of the enclosure Slide the enclosure out When replac ing check that the arrow on the rear panel points toward the blower Figure 7 4 SCSI PIU Enclosure BXB 0387 92 7 8 Disk Plug In Units Removal 1 Turn the keyswitch to Disable 2 Open the cabinet door 3 Remove the shelves
36. esponds to phase A the middle with phase B and the rightmost with phase C see Figure 1 4 Power regulators are configured in manufacturing starting closest to the LSB card cage and working tothe right This platform with one regulator installed constitutes a true single phase load Theload currents in three phase power distribution need to be bal anced If necessary reconfigure the regulators and batteries if the cabinet contains a battery plug in unit in multiple system installations to balance the three phase currents and to reduce stresses in the common neutral conductor Configuration Rules 1 7 1 4 LSB Card Cage The LSB card cage contains nine module slots The minimum con figuration is a processor module in slot 0 a memory module in slot 7 and the I O port module in slot 8 This section gives placement rules for other configurations Figure 1 5 LSBCard Cage Top View Front Power Filter 3 Additional CPUs 2 or Memories 1 First CPU 0 Centerplane Table 1 2 Memory Module Placement Rear B 4 5 Additional Memories 6 or CPUs 7 First Memory 8 IOP Module BXB 0094C 92 Number of Memory Module Processor Modules 1st 2nd 3rd 4th 5th 6th 7th 1 7 1 6 2 5 3 4 2 7 6 2 5 3 4 m 3 7 6 5 3 4 4 7 6 5 4 E 5 7 6 5 6 7 6 nsert these processor modules after all memory modules have been inserted 1 8 Configuration Rules A
37. ethe bolts removed in step 2 of the Removal section Replace the top panel Cabinet Doorsand Panels 2 7 Chapter 3 Cabinet Control System This chapter contains the following sections Control Panel Removal and Replacement Removable Media Device Removal and Replacement Local Disk Converter Removal and Replacement Cabinet Control Logic Module Removal and Replacement Pressure Sensor Removal and Replacement Cabinet Control System 3 1 3 1 Control Panel Removal and Replacement The control panel bezel attaches to the cabinet with two Phillips screws The circuit board attaches to the back side of the bezel with four clips Access is from the front of the cabinet Figure 3 1 Control Panel Back side of control panel BXB 0370 92 3 2 Cabinet Control System Removal 1 2 3 4 Turn the keyswitch to Disable Remove the key Shut the circuit breaker off by pushing down the handle Open the front door of the cabinet Remove the two screws Phillips on the left side of the control panel See in Figure 3 1 Swing the panel to the right no more than two inches and remove it from the hinges See Disconnect the cables from the circuit board Place the control panel face down on a flat surface Remove the circuit board by easing the clips away from the board and pulling the board up See Replacement Reverse the steps in the Rem
38. from the rear Remove the drawer connector see by removing the two Phillips screws 10 Pull the cable harness through the opening for the drawer connector Replacement 1 Snake the replacement harness through the opening for the drawer connector Position the drawer connector so that the side with the two large power pins is tothe left see detail of drawer connector in Figure 7 9 Attach the drawer connector with the two Phillips screws Insert the three plastic connectors in the openings in the rear of the enclosure so that the sawtooth edge of each is at the bottom see detail of plastic connector Push each connector intothe opening until it snaps in place Replace the rear panel of the enclosure The arrow on the panel must point toward the blower Slide the enclosure into the cabinet Replace the bottom two Phillips screws and tighten the top two captive screws Replace the disk bricks Disk Plug In Units 7 19 Chapter8 Battery Plug In Unit This chapter contains the following sections e FuseRemoval and Replacement e Cable Removal and Replacement e Battery Removal and Replacement Battery Plug In Unit 8 1 8 1 Fuse Removal and Replacement Shut the circuit breaker off padlock the lockout tag in place and break the main cable connection to the battery block in which you are working Remove the fuse cover and use the fuse puller to re move the fuse Figure 8 1 Battery PIU Fuse o
39. ick from the enclosure by removing the screws in the upper right and upper left corners and pulling the brick toward you Set the disk brick on a stable work surface Remove the top cover of the disk brick The cover is attached by nine Phillips screws at the back three on each side and three on the bot tom and two flathead Phillips screws in each channel on the sides of the disk brick Remove all cable connectors from the local disk converter module con nectors J 1 J 2 3 and J 6 see Figure 7 5 Remove the four screws Phillips from the corners of the local disk converter module Replacement Reverse the steps in the Removal procedure above Disk Plug In Units 7 11 7 2 2 Remote Front Panel Removal and Replacement Pull the brick from the enclosure and remove the 13 Phillips screws from the cover The remote front panel module is attached to the underside of the brick cover by six Phillips screws Figure 7 6 DSSI PIU Underside of Brick Cover Showing Remote Front Panel Q Remote Front Panel Module Q BXB 0365A 92 7 12 Disk Plug In Units Removal 1 2 3 Turn the keyswitch to Disable Open the cabinet door Remove the disk brick from the enclosure by removing the screws in the upper right and upper left corners and pulling the brick toward you Place the disk brick on a stable work surface Remove the top cover of the disk brick The cover is attached by nine Phillips screws at the back
40. ins in the cabine This procedure is for the entire F utureous enclosure Removal 1 Turn the keyswitch to Disable 2 Open the front door of the cabinet if you are working on an XMI or VAXBI PIU the rear door if Futurebus PIU 3 Loosen the two spring loaded Phillips fasteners and remove the endo sure door See in Figure 6 2 4 Ground yourself to the cabinet with the antistatic wrist strap from the Electrical Safety Kit CAUTION Hold thehandleon the XMI card cage while removing or inserting a module If itis not held in place thehandlecan spring down and damagethe module 5 Remove all modules from the card cage Store the modules in ESD boxes or on ESD mats Do not stack the modules Remove the power regulators See Section 6 1 7 Opentherear door of the cabinet Open thel O bulkhead pull up and twist the two door pins and then swing the bulkhead open 9 Disconnect the Ethernet power cables from the bulkhead connectors 10 Disconnect the I O cables from the backplane 11 At the front of the cabinet remove the two screws Phillips at the bot tom of the PIU enclosure See 12 Loosen the two captive screws slotted at the top of the enclosure See 13 Pull the enclosure out from the front of the cabinet from the rear if Futurebus Replacement 1 For XMI or VAXBI PIUs Tightening the top captive screws com presses the EMI gasket between the front and rear halves of the endo sure Inspect the EMI
41. isk and Tape Plug In Unit Figure A 7 shows the field replaceable units FRUs in the 00 DSSI disk plug in unit Figure A 7 SCSI Disk Plug In Unit Front Showing FRU Locations BXB 0388 92 A 14 Field Replaceable Units oO 0 RZ73 VA or RZ26 VA or TLZ06 VA BA350 LA H7430 AA 17 03532 01 Disk drive 5 25 inch Disk drive 3 5 inch Tape drive 3 5 i nch Shelf Shelf power supply Power and signal cable Field Replaceable Units A 15 A 8 FRUs in the DSSI Disk Plug In Unit Figure A 8 shows the field replaceable units FRUs in the voto DSS disk plug in unit Figure A 8 DSSI Disk Plug In Unit Front Showing FRU Locations BXB 0345A 92 A 16 Field Replaceable Units oec ceoooooQooc SF73 LA RF73 EA Disk brick Disk drive two per brick Includes these F RUs 54 19119 01 70 28814 01 54 20868 01 54 21664 01 17 03417 01 17 03418 01 17 03419 01 17 03420 01 17 03423 01 17 03424 01 17 02382 0x 17 03422 01 RF73 EA ECM module RF73HDA Local disk converter LDC Disk control panel RF 73 signal LDC power LDC signal RF 73 power Disk control panel to bulkhead DSSI bus DSSI brick jumper cable BC21Q xx Signal and power through qp arein each brick connects the bricks to each other p runs up the center rear of the PIU enclosure Field Replaceable Units A 17 A 9 FRUs in the Battery Plug In Unit Figure A 9 shows the field replaceable units F RUs in the battery
42. k Control Program Manual VMsSclusters and Networking HSC Installation Manual SCOO08 Star Coupler User s Guide VAX Volume Shadowing Manual Peripherals Installing and Using the VT 420 Video Terminal LA75 Companion Printer Installation and Use Guide Tite Order Number Operating System Manuals Alpha Architecture Reference Manual EY L520E DP DEC OSF 1 Guideto System Administration AA PJ U7A TE AA PQYAA TK AA PS2DA TE AA PQYSA TE AA PRAHA TE AA LA50A TE EK HSCMN IN EK SCO08 UG AA PBTVA TE EK VT420 UG EK LA75X UG xii Chapter 1 Configuration Rules This chapter provides configuration information for the following system components Main Cabinet Expander Cabinet Power System LSB Card Cage I O Interface Plug In Units XMI Plug In Unit VAXBI Plug In Unit Futurebus Plug In Unit SCSI Disk and Tape Plug In Unit DSSI Disk Plug In Unit Battery Plug In Unit Configuration Rules 1 1 Figure 1 1 shows the components of the main cabinet Configura tion of these components is discussed in this chapter 1 1 Main Cabinet Figure 1 1 Main Cabinet BXB 0021H 92 8 Rear LSB Card Cage Power System Cooling System Plug In Units Cabinet Control System
43. low the procedure in Section 8 1 to remove the fuse from the bat tery block in which you are working 2 Toremovethe batteries in block A remove the battery hold down bracket from the top pair of batteries see amp in Figure 8 3 Disconnect the cables and remove the batteries Repeat for the bottom pair of bat teries 3 Toremovethe batteries in block B or C removethe battery hold down bracket from the pair of batteries closer to you see in Figure 8 3 Disconnect the cables and remove the batteries Then pull the tray out and tilt it down until it locks in place Remove the rear hold down bracket see in Figure 8 4 disconnect the cables and removethe batteries Replacement e Reverse the steps in the Removal procedure above Figure 8 4 Rear Batteries Blocks B and C BXB 0384 92 Battery Plug In Unit 8 7 Appendix A Field Replaceable Units This appendix shows the location of all field replaceable units FRUs It contains the following sections FRUs Accessible from the Front of the Cabinet FRUs Accessible from the Rear of the Cabinet Platform Cables FRUs in the XMI Plug In Unit FRUs in the VAXBI Plug In Unit FRUs in the Futurebus Plug In Unit FRUs in the SCSI Disk and Tape Plug In Unit FRUs in the DSSI Disk Plug In Unit FRUs in the Battery Plug In Unit Field Replaceable Units A 1 A 1 FRUs Accessible from the Front of the Cabinet Figure A 1 shows the location of field replaceable units
44. maining processor modules in open slots with the highest node ID numbers The node ID number is the same as the slot num ber Install filler modules in any unused slots to ensure proper airflow 1 Table 1 2 shows the slot in which each memory module is installed depending on the num ber of processor modules in the system For example if the system contains two processor modules and three memory modules the first memory module is installed in slot 7 the sec ond in slot 6 and the third in slot 2 Configuration Rules 1 9 1 5 I O Interface The I O interface consists of the IOP module in the LSB card cage and the I O cables which connect the IOP module to the I O bus Figure 1 6 I O Interface Rear Q i Rear Expander Main IOP Module I O Cable BXB 0032L 92 1 10 Configuration Rules About the I O Interface The I O interface consists of the I O port IOP module in slot 8 of the LSB card cage and two unidirectional cables for each I O channel ThelOP module can accommodate a maximum of four O channels I O Interface Configuration e Each system must have an IOP module e ThelOP module can accommodate one to four I O channels e
45. o the cabinet with the antistatic wrist strap from the Electrical Safety Kit Turn off the circuit breaker Uu 6 Removethe ground strap from the card cage Loosen the two screws at the top and remove the card cage cover See in Figure 5 3 7 Disconnect thel O cables from the l OP module See Section 5 1 Note the locations of the modules in the card cage Remove the mod ules See Section 5 2 for removal instructions for the OP module and the System Service Manual for instructions for processor and memory modules 9 Remove the two screws Phillips on the side bracket See 10 Remove the two screws Phillips on the bottom bracket See 11 Disconnect the CCL cable See 12 To detach the plastic cover over the power cables loosen the three nuts 8 mm see B and squeezethe plastic cover to remove it from the nuts Do not try to remove it from the cables 13 Remove the nuts 10 mm connecting the power cables See B 14 Remove the three screws Phillips at the top and three at the bottom of the card cage See D CAUTION Because of the height of the card cagein the cabine you should not removethis assembly from the cabinet by yoursdf 15 Slide the card cage assembly out from the front of the cabinet Replacement Reverse the steps in the Removal procedure above Wear an antistatic wrist strap when working on this system When replacing the LSB card cage e Besureit is correctly seated on the air
46. op or bottom of the expander cabinet Field Replaceable Units A 3 A 2 FRUs Accessible from the Rear of the Cabinet Figure A 2 shows the location of field replaceable units FRUs that can be accessed from the rear of the cabinet Figure A 2 Platform Cabinet Rear Showing FRU Locations 0 C o0 Q0 O BXB 0032F 92 A 4 Field Replaceable Units o0 000 occ eo 9 2 70 28574 02 E2044 AA E2043 AA or E2043 BA or E2043 CA or E2046 AA 54 20300 01 54 36203 04 RRD42 or TF85 30 35143 01 30 33798 01 or 30 33798 02 or 30 33798 03 12 35173 01 DWLMA xx or DWMBB LA or DWLAA xx BA655 AA or BA654 AA H 7237 AA LSB centerplane and card cage 2 IOP module Memory module 64 M bytes 3 Memory module 128 M bytes 2 M emory module 256 M bytes 3 Memory module 512 M bytes 3 Cabinet control logic module CCL CCL pressure sensor Removable media device DEC 7000 systems Removable media device VAX 7000 systems DC distribution box AC input box Blower XMI plug in unit see page A 8 VAXBI plug in unit see page A 10 Futurebus plug in unit see page A 12 SCSI disk plug in unit gt see page A 14 DSSI disk plug in unit see page A 16 Battery plug in unit see page A 18 1 Removal and re
47. oval procedure above Cabinet Control Sytem 3 3 3 2 Removable Media Device Removal and Replacement The removable media device is housed in a box mounted on rails in the cabinet Slotted captive screws hold the box in the cabinet Phillips screws attach the top to the box and the removable media device to the box Access is from the front of the cabinet Figure 3 2 Removable Media Device Front BXB 0371 92 3 4 Cabinet Control System Removal 1 Turn the keyswitch to Disable 2 Open the rear door of the cabinet and shut the circuit breaker off by pushing down the handle 3 Remove all cable connectors from the rear of the removable media box Remove the control panel See Section 3 1 5 Loosen the two captive screws slotted at the lower sides of the remov able media box See in Figure 3 2 6 Slide the removable media box out of the cabinet and place it on a sta ble work surface 7 Removethe top cover of the removable media box by removing the nine screws Phillips and lifting the cover off See 8 Removethe four screws Phillips that hold the removable media de vicein place There are two screws on each side of the box See Q 9 Slidethe removable media device out of the box 10 Remove the cable connectors from the rear of the adapter board that is in the bottom of the box under the removable media device 11 Push down on the two dips that hold the rear of the adapte
48. placement of this FRU requires access to both the front and the rear of the cabinet 2 This FRU isin the main cabinet only cannot be located in the expander cabinet 3 This FRU can be located in either the front or the rear of the cabinet 3 Replace xx with AA if FRU is located in the main cabinet or with BA if FRU is located in the expander cabinet This FRU can be located in the bottom of the main cabinet or in the top or bottom of the expander cabinet Field Replaceable Units A 5 A 3 Platfom Cables Figure A 3 shows the location of cables in the platform The call outs point to cable ends Figure A 3 Platform Cabinet Rear and Front Showing Cables Wo 08 doo o in 90 o oO op nmm 1 9o we ia s 4 F BXB 0021D 92 A 6 Field Replaceable Units BE GBGBBSBOBODDINDODOOCOSO Toremove this cable 17 03118 01 17 03118 02 17 03119 01 17 03127 01 17 03126 01 17 03124 01 17 03120 01 17 03123 01 17 03164 01 17 03121 01 17 03122 01 17 03085 01 17 03085 02 17 03201 01 17 03348 01 17 03443 01 17 03444 01 17 03511 01 48V LSB power gray 48V LSB power yellow 48V power signal to PIU 48V toLDC 48V power sense to blower
49. r board and remove the board Replacement e Reverse the steps in the Removal procedure above Cabinet Control Sytem 3 5 3 3 Local Disk Converter Removal and Replacement The local disk converter LDC is housed in the removable media box Section 3 2 Phillips screws attach the circuit board to the box Access is from the front of the cabinet Figure 3 3 Local Disk Converter BXB 0371A 92 3 6 Cabinet Control System Removal 1 Turn the keyswitch to Disable 2 Open the rear door of the cabinet and shut the circuit breaker off by pushing down the handle 3 Remove all cable connectors from the rear of the removable media box Remove the control panel See Section 3 1 5 Loosen the two captive screws slotted at the lower sides of the remov able media box See in Figure 3 3 6 Slide the removable media box out of the cabinet and place it on a sta ble work surface 7 Removethe top cover of the removable media box by removing the nine screws Phillips and lifting the cover off See 8 Disconnect the four cables from the local disk converter module See 9 Remove the local disk converter module by removing the four screws Phillips from the corners of the module Use a long screwdriver and insert it through the holes on the side of the removable media box op posite the local disk converter module Replacement e Reverse the steps in the Removal procedure above Cabinet Cont
50. rol Sytem 3 7 3 4 Cabinet Contol Logic Module Removal and Replacement The cabinet control logic CCL module is mounted on a slide plate with Phillips screws The slide plate is held in place with slotted captive screws Access is from the rear of the cabinet Figure 3 4 CabinetContol Logic Module Viewed from Front of Cabinet BXB 0363 92 3 8 Cabinet Control System Removal 1 2 3 10 Turn the keyswitch to Disable Shut the circuit breaker off by pushing down the handle Ground yourself to the cabinet with the antistatic wrist strap from the Electrical Safety Kit At the rear of the system remove the rear panel of the cabinet control system box See in Figure 3 4 If a DEC power bus cableis connected to the end of the slide plate on which the cabinet control logic module is mounted remove the connec tor See O Remove all connectors from the cabinet control logic module Disconnect the plastic hose from the pressure sensor See Loosen the two captive screws slotted on the end of the slide plate See Q Pull the slide plate out Remove the cabinet control logic module from the slide plate by remov ing the six screws Phillips that are in the corners and the center of each long side Replacement Reverse the steps in the Removal procedure above Reattach the plas tic hose disconnected in step 7 above to the outlet of the pressure sen sor that faces away from the
51. ront and rear of the cabinet WARNING Theblower weghs 25 kg 55 Ib Figure 4 4 Blower Q BXB 0022B 92 4 8 Powerand Cooling Systems Removal 1 2 Turn the keyswitch to Disable Open the rear door of the cabinet Shut the circuit breaker off by push ing down the handle To ensure that the circuit breaker is not uninten tionally switched on again flip the lockout tag down Lock the tagin place with the padlock from the Electrical Safety Toolkit Placethe padlock in the bottom hole of the bracket on either side of the tag See Section 4 2 steps 3 and 4 Open the front door of the cabinet Remove the eight screws Phillips from the top and bottom blower flanges four each See Q in Figure 4 4 Disconnect the 48V cable See Remove the four screws Phillips in the tabs protruding from the bot tom of the blower box See O WARNING Theblower weighs 25 kg 55 Ib Do not remove the blower from the cabinet by yourself From the rear push the blower assembly forward out of the cabinet 16 inches From the front of the cabinet and with one person on each side of the blower use the handholds on the sides of the box to grasp and pull the blower assembly out the rest of the way See O in Figure 4 4 Replacement 1 Apply silicone lubricant to the gaskets on the top and bottom surfaces of the replacement blower Orient the replacement blower so that the handholds in th
52. sss 7 6 7 1 4 Enclosure Removal and Replacement 7 8 7 2 DSSI Disk Plug In Unit ssseeeenen 7 10 7 2 1 Local Disk Converter Removal and Replacement 7 10 7 2 2 Remote F ront Panel Removal and Replacement 7 12 7 2 3 Disk Removal and Replacement sss 7 14 7 2 4 Enclosure Removal and Replacement 7 16 7 2 5 Power and Signal Harness Removal and Replacement ecccceseccseceeceeseeeeeeeeneeeeaeseneeenaeessaesnaaeeaaes 7 18 Chapter 8 Battery Plug In Unit 8 1 Fuse Removal and Replacement ssssssssss 8 2 8 2 Cable Removal and Replacement sssssssss 8 4 8 3 Battery Removal and Replacement ssssssss 8 6 Appendix A Field Replaceable Units 3 4 FRUs Accessible from the Front of the Cabinet A 2 FRUs Accessible from the Rear of the Cabinet A 4 Platform Cables 5 nen annenin ER una A 6 FRUs in the XMI Plug In Unit eene A 8 FRUs in the VAXBI Plug In Unit eeeseeeese A 10 FRUS in theFuturebus Plug In Unit A 12 FRUs in the SCSI Disk and Tape Plug In Unit A 14 FRUs in the DSSI Disk Plug In Unit eee A 16 FRUs in the Battery Plug In Unit esssessss A 18 Main Cabinet hot eee PR Ee anes 1 2 Expander Cabinet 00 0
53. t and rear doors attach to the cabinet with spring loaded latch pins the cable cover attaches with quarter turn Phillips screws Figure 2 1 Cabinet Doorand Cable Cover BXB 0398 92 2 2 Cabinet Doorsand Panels Door Removal 1 Open the door 2 Locate the spring loaded latch in the upper corner of the door See in Figure 2 1 Pull the pin down 3 Lift the bottom of the door off the hinge pin See Door Replacement Reverse steps 1 3 in the Removal section above Cable Cover Removal 1 Remove the two screws quarter turn Phillips onein each of the upper corners of the cable cover See in Figure 2 1 2 Swing the cable cover down and remove it from the hinges on the bot tom Cable Cover Replacement Reverse steps 1 2 in the Removal section above Cabinet Doorsand Panels 2 3 2 2 Top Panel and Air Filter Removal and Replacement The top panel attaches to the cabinet with one Phillips screw and four plastic snaps Remove the top cover to gain access to some field replaceable units or to replace the top air filter CAUTION Obstructions on thetop panel may cause the system to shut down Figure 2 2 Top Panel BXB 0398A 92 2 4 Cabinet Doorsand Panels Top Panel Removal 1 Remove the screw Phillips at the rear of the top panel See in Fig ure 2 2 2 Lif
54. t the top panel until the plastic snaps disengage Top Panel Replacement 1 Position the top panel on the cabinet and push it down until the plas tic snaps engage 2 Replace the screw removed in step 1 of the Removal section Top Air Filter Removal 1 Remove the top panel see above 2 Grasp the foam air filter and pull it away from the top panel No tools are required 3 Discard the foam air filter Top Air Filter Replacement 1 Lay the replacement air filter over the mesh on the top panel 2 Push the edges of the foam under the edges of the opening 3 Replace the top panel Cabinet Doorsand Panels 2 5 2 3 Side Panel Removal and Replacement The side panel attaches to the cabinet with two bolts at the top and brackets on the inside of the panel Figure 2 3 Side Panel o9 o9 e o g o o o o of E BXB 0335B 92 2 6 Cabinet Doorsand Panels Removal 1 Remove the top panel See Section 2 2 2 Usea 10mm hex socket wrench to remove the bolts in the upper cor ners of the side panel See in Figure 2 3 3 Liftthe panel up and away from the cabinet Replacement 1 Placethe panel on the side of the cabinet so that all three brackets on theinside of the side panel rest in the U shaped channels on the side of the cabinet See in Figure 2 3 2 Replac
55. the XMI backplane Configuration Rules 1 15 1 6 2 VAXBI Plug In Unit The VAXBI PIU houses a VAXBI card cage and power regulators The VAXBI PIU is located in the bottom of the main cabinet or ex pander cabinet Figure 1 9 VAXBI Plug In Unit BXB 0368A 92 1 16 Configuration Rules About the VAXBI Plug In Unit e AVAXBI PIU is shown in Figure 1 9 e Themaximum number of VAXBI PIUs per cabinet is one The maxi mum per system is three assuming a main cabinet and two expander cabinets VAXBI PIU Configuration Rules e TheVAXBI PIU occupies two quadrants Q3 and Q4 see Figure 1 7 e An XMI PIU must reside in the same cabinet as a VAXBI PIU in quadrants Q1 and Q2 VAXBI Configuration Rules e Each VAXBI backplane has 11 slots of usable I O space e TheT1043 module XBI B must reside in slot 12 of the VAXBI backplane the T2018 module XBIA must reside in slot 1 of the XMI backplane Configuration Rules 1 17 1 6 3 Futurebus Plug In Unit The Futurebus PIU houses a Futurebus card cage and power regulators The Futurebus PIU is located in the bottom of the main cabinet or expander cabinet DEC 7000 Figure 1 10 Futurebus Plug In Unit BXB 0368B 92 1 18 Configuration Rules About the Futurebus Plug In Unit e AFuturebus PIU is shown in Figure 1 10 e Themaximum number of Futurebus PIUs per cabinet is two The maximum number per system is three Futurebus Configuration Rules
56. three on each side and three on the bot tom and two flathead Phillips screws in each channel on the sides of the disk brick Remove all cable connectors from the remote front panel module J 1 through J 6 and J 8 see Figure 7 6 With a pair of needle nose pliers pull the switch buttons from the front bezel See in Figure 7 6 Remove the six screws Phillips that hold the remote front panel mod ulein place Replacement Reverse the steps in the Removal procedure above Disk Plug In Units 7 13 7 2 3 Disk Removal and Replacement Pull the brick from the enclosure and loosen the two slotted cap tive screws in the front bezel Disconnect cables press the latch pin and slide the disk drive from the brick Figure 7 7 DSSI PIU Disks BXB 0366 92 7 14 Disk Plug In Units NOTE Theseinstructions apply to either drivein the brick Removal 1 Turn the keyswitch to Disable 2 Open the cabinet door 3 Remove the front bezel from the disk brick by loosening the captive screw and pulling the bezel away from the brick See in Figure 7 7 4 Remove the three cables from the connectors beneath the disk drive See 5 Press down the latch pin under the skid plate on the disk drive See Slide the disk drive forward Replacement e Reverse the steps in the Removal procedure above Disk Plug In Units 7 15 7 2 4 Enclosure Removal and Replacement Remove the bricks from the enclosure Loosen the two slotted c
57. tothe lower quadrants of the expander cabinet e Theonly plug in units that may be installed in the upper quadrants of the expander cabinet are disk plug in units Figure 1 3 System With Two Expander Cabinets Front View Second Main First Expander Cabinet Expander Cabinet Cabinet BXB 0001M 92 The RRD42 requires a dedicated KZMSA port in an XMI plug in unit in the same expander cabinet Configuration Rules 1 5 1 3 Power System The power system consists of the AC input box DC distribution box and power regulators This section includes configuration in formation for power regulators Figure 1 4 Power System S y s AC Input Box Power DC Distribution Box Regulators BXB 0052E 92 1 6 Configuration Rules About the Power System e The power system consists of the AC input box DC distribution box and a minimum of one and a maximum of three power regulators See Figure 1 4 e Themaximum system configuration requires two regulators the third is for optional redundant power e Power regulators cannot be warm swapped e Each plug in unit with the exception of the battery plug in unit has a local power supply that generates the needed 45V and other miscella neous DC voltages Power Regulator Configuration When viewed from the front of the system cabinet the leftmost power regulator dosest to the LSB card cage corr
58. trap from the Electrical Safety Kit 5 Disconnect the 48V cable two connectors See 6 Disconnect the control and status cable two connectors See O 7 Loosen the captive screws slotted one at the top and two at the bot tom of each regulator See 9 8 Using the handhold pull out the power regulator See O CAUTION Do not bend or touch the connectors power blades at the rear of the power regulator 9 Placethe power regulator on an ESD mat Replacement To replace a power regulator reverse the steps above Wear an antistatic wrist strap The endosure has a guidefor the printed circuit board be sure the edge of the board is in the guide On power up check the controls and indicators on the power regulator e Theswitch on the large regulator is in the Enable position e The48V LED is on when the system is initialized e TheMOD OK LED lights after power up VO Plug In Units 6 3 6 2 Enclosure and Card Cage Removal and Replacement An XMI or VAXBI PIU occupies two quadrants front to back A Futurebus PIU occupies one quadrant Use a Phillips screw driver to remove any of these PIUs Figure 6 2 I O PIU Enclosure 9 a artem C C m A BXB 0377A 92 64 O Plug In Units NOTE The following procedureis for the front half of the XMI or VAXBI enclosure The rear half rema
59. ttom hole of the bracket on either side of the tag See Section 4 2 step 4 Disconnect the system power cord From the front of the cabinet remove the power regulators See Sec tion 4 1 Remove the eight screws Phillips from the top and bottom flanges four each See in Figure 4 3 From the rear of the cabinet remove the AC input box See Section 4 2 If this cabinet has a battery plug in unit disconnect the two pin con nector in each block of batteries See Section 8 1 steps 3 and 4 At the rear of the cabinet remove the plastic covers from the battery terminals and the DC distribution bars See Remove all 48VDC connections 8 mm nuts See Disconnect any battery connections 10 mm nuts See p If present disconnect the battery sense cable See p Disconnect the control status cable See B Remove the four flathead screws Phillips from the floor of the enclo sure See D Pull the DC distribution box out from the front Replacement 1 Reverse the above steps When reconnecting the 48 VDC and battery connections steps 10 and 11 above torque the nuts to 2 5 newton meters 22 inch pounds Check that battery connections step 11 above are correct Check that 48V connections step 10 above are correct Powerand Cooling Systems 4 7 4 4 Blower Removal and Replacement The blower attaches to the cabinet with Phillips screws Removal and replacement require two persons and access to the f
60. uses one to three bricks each brick contains two 5 25 inch disk drives This PIU is located in the bottom of the main cabinet or in the top or bottom of the expander cabinet VAX 7000 Figure 1 12 DSSI Disk Plug In Unit BXB 0359A 92 1 22 Configuration Rules About the DSSI Disk Plug In Unit e Themaximum number of DSSI disk PIUs is twoin the main cabinet and four in the expander cabinet e Each DSSI disk PIU contains a minimum of one and a maximum of three bricks each brick contains two 5 25 inch form factor disks DSSI Disk PIU Configuration Rules e TheDSSI disk PIU can occupy any quadrant see Figure 1 7 e Inthe system cabinet or in the bottom of the expander cabinet bricks are installed starting closest to the blower and working down e In the top of the expander cabinet bricks are installed starting closest to the blower and working up e Thearrow on therear panel of the PIU enclosure must point toward the blower That is the arrow must point up if the PIU isin Q1 through Q4 it must point down if the PIU isin Q5 or Qo Configuration Rules 1 23 1 6 6 Battery Plug In Unit The battery PIU houses one to three battery blocks each block contains four batteries The battery PIU is located in the bottom of the main cabinet or expander cabinet Figure 1 13 Battery Plug In Unit Block B Block C BXB 0367 92 1 24 Configuration Rules About the Battery Plug In Unit
61. wer and signal harness 7 18 Cable cover 2 2 CCL 3 8 A 5 CD ROM 1 2 3 4 Configuration rules battery PIU 1 24 DSSI disk PIU 1 22 expander cabinet 1 4 Futurebus PIU 1 18 I O interface 1 10 LSB card cage 1 8 main cabinet 1 2 module placement 1 8 power system 1 6 SCSI disk and tape PIU 1 20 VAXBI PIU 1 16 XMI PIU 1 14 Control panel 3 2 A 3 CPU module A 3 D DC distribution box 4 6 A 5 Disk drive DSSI PIU 7 14 SCSI PIU 7 2 Disk plug in units See DSSI disk plug in unit SCSI disk and tape plug in unit Doors 2 2 Index 1 DSSI disk plug in unit A 3 A 5 A 16 configuration rules 1 22 disk drive 7 14 enclosure 7 16 local disk converter 7 10 power and signal harness 7 18 remote front panel 7 12 DWLMA See XMI plug in unit DWMBB LA SeeVAXBI plug in unit Endosure DSSI PIU 7 16 1 O PIU 6 4 SCSI PIU 7 8 Expander cabinet configuration rules 1 4 F Field replaceable units accessible from front A 2 accessible from rear A 4 Fuse battery PIU 8 2 Futurebus plug in unit 6 1 A 5 A 12 air filter 6 6 configuration rules 1 18 enclosure 6 4 power regulator 6 2 H H7237 AA See battery plug in unit n cabinet storage 3 4 IOP module 1 8 5 4 A 5 I O cables 5 2 I O interface cables 5 2 configuration rules 1 10 Index2 I O port module 1 8 5 4 A 5 L Local disk converter in DSSI PIU brick 7 10 in removable media device 3 6 LSB card cage 5 6 A 3 A 5
62. would be occupied by the LSB card cage Figure 1 2 Expander Cabinet Disk Plug In Units IT Es Power System MI Cooling System p A ie Plug In Units BXB 0032J 92 1 4 Configuration Rules About the E xpander Cabinet The expander cabinet H 9F 00 BA BB BC is similar to the main cabinet The second letter of each variant identifies voltage see Table 1 1 for these voltages The expander cabinet frame is identical to the main cabinet the contents however differ The expander cabinet does not have an LSB card cage or a control panel and it can have disk plug in units in the upper part of the cabinet Expander Cabinet Configuration Rules e Each system may have a maximum of two expander cabinets The first expander cabinet is placed to the right of the system cabinet and the second to the left See Figure 1 3 e The expander cabinet may contain a removable media device RRD42 in DEC 7000 systems TF85 in VAX 7000 systems If used it is located in the front of the expander cabinet at the top e Theconfiguration rules for the lower quadrants of the system cabinet also apply

DEC 7000 AXP, VAX 7000 System Platform Service Manual

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