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STARION 9xx & 20xx PC Family Service Maintenance Manual

1. 133MHzPentium __ 12 MCS Logistics Engineering Nijmegen Digital STARION 9xx amp 20xx PC Product Desc ription Starion Models Starion917 Nome Starion 919 FR 90IAA AQ_ Nome Starion932 FR90AAA8 256KB 4XSpeed Starion 935 _ FR 903AA AS Starion 941 FR 903AA A7_ Starion 942 FR 902AA A9 256KB 4XSpeed Starion 2001 FR 903AA AG_ 64 Bits 4XSped MCS Logistics Engineering Nijmegen 13 Digital STARION 9xx amp 20xx PC Utilities amp Configuration Chapter 2 Server Utilities amp Configuration System Utilities The Starion computer has been set up at our factory with all system software utilities and drivers pre installed and ready for use Most system software can be launched from Digital s Getting Started program by selecting the Multimedia and Productivity selections Look through these selections for a complete listing of all software supplied with the computer This chapter describes how to use some important utilities installed on the computer It also explains how to restore the computers software in the event of a hard disk failure or if the software becomes corrupted The following system utilities and device drivers are available for the Starion computers Software Applications and Backup Media BIOS Utilities and Drivers Setting High Resolution Mode for the Monitor Additional Utilities and Drivers o Backup Media The following back
2. Menu Fields Settings Large disk Select DOS if MS DOS is installed access mode Select Other if another operating system is installed A large disk drive constitutes one that has more than 1024 cylinders 16 heads or 63 tracks per sector Plug amp Play Yes Select Yes if using a Plug amp Play operating system such as Windows O S No 95 Otherwise select No Yes Select Yes to clear the system configuration data when suspecting it is Configuration No corrupted which sometimes occurs after a power outage This option also clears the Plug amp Play databases After inputting correct settings or accept the default settings the computer switches this setting back to No When clearing of the system configuration data is not needed leave the setting at No MCS Logistics Engineering Nijmegen 27 Utilities amp Configuration Digital STARION 9xx amp 20xx PC Integrated Peripherals Mouse port Disabled Enables or disables the mouse port Enabled Parallel port Auto Enables or disables the onboard port at the specified address Disabled 3BC IRQ 7 378 IRQ 7 278 IRQS Parallel port Sets the onboard parallel port mode mode Compatible Standard printer connection mode Bi directional PS 2 compatible mode and able to receive data mode ECP mode Extended capabilities port mode EPP 1 7 Enhanced parallel port mode Selection based on what EPP version EPP 1 9 the printer supports Only choose a mode that the parallel
3. nnnn System battery is dead Replace and run SETUP Shadow RAM failed Battery real time clock failed Real time clock failed BIOS test Run the BIOS Setup utility and set the correct monitor type Run the BIOS Setup utility and correctly identify drive A or drive C Correctly install the operating system Refer to the supplied operating system documentation Press lt F1 gt to reboot or lt F2 gt to enter the BIOS Setup utility to make any necessary changes Replace real time clock and then run the BIOS Setup utility to restore previous configuration information Run the BIOS Setup utility and restore all settings to original values If the problem persists replace the defective cache memory Correct the address conflict using the BIOS Setup utility If the problem persists replace the battery real time clock Run the BIOS Setup utility and restore all settings to original values If the problem persists replace the defective memory Run the BIOS Setup utility and restore all settings to original values If the problem persists replace the defective component Run the BIOS Setup utility and disable failed shadow memory region Replace the battery and then run the BIOS Setup utility to restore previous configuration information POST and Boot Informational Messages Message nnnn Cache SRAM Passed Where nnnn is the amount of computer cache in kilobytes that tested successfully Entering SETUP
4. BIOS Setup utility Check all connections If the problem persists replace the defective hard disk drive and or controller Run the BIOS Setup utility and properly identify diskette drive A and or B Run the BIOS Setup utility and restore all settings to original values If the problem persists replace the defective component 61 Troubleshooting Digital STARION 9xx amp 20xx PC Keyboard Keyboard and or keyboard Check the keyboard connection If the connection controller error controller failed is secure the keyboard or keyboard controller Keyboard error might have failed Ifthe problem persists replace Keyboard the defective keyboard and or controller locked Unlock key switch 62 MCS Logistics Engineering Nijmegen Digital STARION 9xx amp 20xx PC Troubleshooting POST and Boot Error Messages continued Mose ersten ER Monitor type Monitor type has been does not match incorrectly specified CMOS Run SETUP Operating system not found The operating system cannot be found on drive A or drive C Press lt F1 gt to resume lt F2 gt to Setup Real time clock error This message appears after any recoverable error message System cache RAM cache failed error Cache disabled System CMOS checksum bad run SETUP System RAM failed at offset nnnn System timer error Battery real time clock failed System RAM failed The computer s timer test failed Shadow RAM Failed at offset
5. BIOS Setup utility runs Extended RAM Passed Where nnnn is the amount of extended memory in kilobytes that tested successfully MCS Logistics Engineering Nijmegen Troubleshooting Digital STARION 9xx amp 20xx PC nnnn Shadow RAM passed 64 MCS Logistics Engineering Nijmegen Digital STARION 9xx amp 20xx PC Troubleshooting POST and Boot Informational Messages continued System BIOS shadowed This indicates that the computer s BIOS was successfully copied to shadow RAM nnnn System RAM passed Where nnnn is the amount of system RAM in kilobytes that tested successfully UMB upper limit segment Displays the address of the upper limit of UMB This indicates the address nnnn released segments of the BIOS that can be reclaimed by a virtual memory manager Video BIOS shadowed This indicates that the computer s video BIOS was successfully copied to shadow RAM Computer Troubleshooting Possible Cause No response Main logic board failure Replace main logic board when the computer is Main logic board jumpers Set all appropriate jumpers Refer to Main logic turned on incorrectly set board jumpers CPU has failed Replace CPU Power Supply failed Replace Power Supply Power is on but Brightness and contrast controls Adjust the brightness and contrast controls there is no are not correctly set screen display The Power Management has shut Press Shift to reactivate monitor the monitor
6. PC Preface Preface The Digital Starion 9xx amp 20xx PC Family Service Maintenance Manual is a troubleshooting guide that can be used for reference when servicing the Starion 9xx amp 20xx line of PC s Digital Equipment Corporation reserves the right to make changes to the Digital Starion 9xx amp 20xx series without notice Accordingly the diagrams and procedures in this document may not apply to the computer s you are servicing since many of the diagnostic tests are designed to test more than one product CAUTION Digital recommends that only A certified engineers attempt to repair this equipment All troubleshooting and repair procedures are detailed to support subassembly module level exchange Because of the complexity of the indivual boards and subassemblies no one should attempt to make repairs at component level or to make modifications to any printed wiring board Improper repairs can create a safety hazard Any indications of component replacement or printed wiring board modifications may void warranty or exchange allowances MCS Logistics Engineering Nijmegen 9 Digital STARION 9xx amp 20xx PC Product Description Chapter 1 Product Description Product Introduction The Starion Minitower PC computers are high performance personal computers featuring the latest in computing technology Developed using the following state of the art technology these computers are the most value packed minitower computers in their
7. class Model Processor Speed Starion 910 Pentium 75MHz Starion 915 Pentium 100MHz Starion 920 Pentium 75MHz Starion 917 Pentium 100MHz Starion 930 Pentium 100MHz Starion 932 Pentium 120MHz Starion 940 Pentium 133MHz Starion 942 Pentium 133MHz Starion 2001 Pentium 133MHz Oo Oo So So SO SS Pentium OverDrive Support System Memory 0 Starion 910 915 917 standard 8MB expandable to 128MB 0 Starion 920 930 932 940 942 2001 standard 16MB expandable to 128MB Secondary Cache O Starion 930 932 940 942 256KB T O Slots 5 total 4 available 2PCI 0 2ISA 0 1 ISA occupied with Diamond multimedia card MCS Logistics Engineering Nijmegen 11 Product Description Digital STARION 9xx amp 20xx PC Product Introduction continued Drive Bays o 5 Hard Disk Drives 0 850MB Starion 910 915 0 1200MB Starion 9 17 920 930 932 940 0 1600MB Starion 942 2001 Video DRAM 0 1MB upgradable to 2MB on Starion 930 932 940 942 PCI Local Bus Graphics CD ROM Drive Quad speed CD ROM Fax Data Voice Modem 0 Starion 910 915 920 14 4 fax data voice modem 0 Starion 917 930 932 940 28 8 fax data voice modem 16 bit stereo sound JBL Subwoofer Only on the Starion 2001 Product Models Information Starion Models pone pe Jar me Tau 75 MHz Pentium Stars Timo rm 1308 Strion 919 EAA omtrend T i Starion 935 ___ FR 903AA AS 120 Mhz Pentium __ Starion 941 FR 903AA A7
8. insure product and personal safety and prevent damage to circuit boards and or components Always wear an ESD wrist strap when handling ESD sensitive material and be sure it is properly connected Keep circuit boards and components away from non conductors Keep clothing away from circuit boards and components Keep circuit boards in anti static bags Be cautious when AC power is exposed when working on an assembly Always use an ISOLATION TRANSFORMER when diagnosing any terminals monitors or power supplies when AC power is applied Be cautious of very high voltage potentials when working with monitors o There should be an approved insulating mat for technician safety in front of any workbench where monitors terminals or power modules are being serviced when power is applied NOTE Do NOT wear ESD straps when working on terminals monitors or power supplies when AC power is applied This is to avoid the hazard of electrical shock MCS Logistics Engineering Nijmegen 33 Service Procedures Digital STARION 9xx amp 20xx PC Recommended Tools The following tools are needed for servicing Digital PC systems Note that test equipment must be calibrated Multimeter 4 1 2 digit A philips screwdriver An antistatic wrist strap Other Materials Needed Cleaning agent should be an all purpose cleaner that is used in house Remedial Diagnostic Test Software QOAPLUS fe PC Advanced Diagnostic Softwa
9. it may be necessary to manually set jumpers on the board based on the computer resources already allocated Expansion Slot Types amp Locations Expansion Type Description m Ar er half length industry standard 16 bit ISA expansion J2 and J3 pa Supports full length industry standard 16 bit ISA expansion Supports full length industry standard 16 bit ISA expansion boards Designated as a shared slot with PCI slot J5 Supports full length 32 bit PCI local bus expansion boardsDesignated as a shared slot with ISA slot J4 Supports full length 32 bit PCI local bus expansion boards Only one expansion board can reside in slot J5 and J4 at any one time These slots have to share the slot opening at the rear panel 38 MCS Logistics Engineering Nijmegen Digital STARION 9xx amp 20xx PC Service Procedures Figure 3 3 Expansion Slots DEC00671 2 MCS Logistics Engineering Nijmegen 39 Service Procedures Digital STARION 9xx amp 20xx PC Main Logic Board Jumpers Jumper pins allow to set specific computer parameters They are set by changing the pin location of jumper blocks Note that the square pin of each jumper block is pin 1 A jumper block is a small plastic encased conductor shorting plug that slips over the pins To change a jumper setting remove the jumper from its current location Place the jumper over the two pins designated for the desired setting Press the jumper evenly onto the pins Be careful not
10. method the computer will not be optimized with the various utilities and system application software integrated and fully supported by Digital Restore All Factory Installed Software To restore all factory software proceed as follows 1 Close and save any open files close all applicationsand shut down Windows 95 2 Insert the System Software Restore Boot diskette into the diskette drive 3 Insert the System Software Restore CD into the CD ROM drive 4 Reboot the computer The computer will then prompt for confirmation that you want to perform the software restore procedure and format the hard disk drive 5 Enter Y to proceed The system software isl then copied to the hard disk drive This process will take about 15 minutes 6 When the files have been successfully copied remove the System Software Restore Boot diskette and the System Software Restore CD 7 Reboot the computer All system software is now loaded to the out of box factory condition 8 The computer will now display several Windows 95 welcome and user registration screens Select Gathering Information then enter any requested user registration and COA license information requested NOTE If the computer can still perform basic functions Digital recommends to first make backup diskettes of all important personal files that are created since purchasing the computer Restoring the factory software will re format the hard disk and erase all personal data 1
11. off Monitor cable is incorrectly Check all monitor connections installed Incorrect VGA drivers installed Install the correct VGA drivers Refer to Utilities and Video Drivers Video controller has failed Replace the video controller MCS Logistics Engineering Nijmegen 65 Troubleshooting Computer operates incorrectly after installing optional expansion board Expansion board installed incorrectly Did not run ICU to configure expansion board before installation Expansion board has failed Digital STARION 9xx amp 20xx PC Remove expansion board and reinstall Run the ICU to properly configure expansion board and then reboot the computer Refer to the supplied ICU documentation Remove expansion board and reboot If computer boots without errors replace expansion board MCS Logistics Engineering Nijmegen Digital STARION 9xx amp 20xx PC Troubleshooting Computer Troubleshooting continued Computer SIMMs installed incorrectly Remove SIMMs and reinstall operates incorrectly after Did not rerun BIOS Setup utility Rerun BIOS Setup utility installing optional SIMMs BIOS Setup utility changes not Rerun BIOS Setup utility and save changes saved before exiting SIMMs have failed Remove SIMMs and reinstall Make sure bank 0 is filled with the correct SIMM size speedand type Replace SIMMs Computer External cache module installed Remove external cache module and re
12. remaining fields to be filled in manually using the installed hard disk drive s parameters Cylinders 0 to 4095 Displays the number of cylinders Heads 1to64 Displays the number of heads Displays the number of sectors track Landing Zone 0 to 4095 Displays the resting or park position of the heads when the HDD is inactive Write 0 to 4095 Displays the number of cylinders that have their write timing precomp None changed MCS Logistics Engineering Nijmegen 23 Utilities amp Configuration Digital STARION 9xx amp 20xx PC Hard Disk Options IDE Adapter 0 1 Master Slave continued Multi sector 2 sectors Determines the number of sectors per block for multiple sector transfers 4 sectors transfers 8 sectors 16 sectors Auto Disabled Auto refers to the size the disk returns when queried LBA control Disabled Enabling LBA causes logical block addressing to be used instead of mode Enabled cylinders headsand sectors Enabled Disabled Transfer Standard Mode Fast PIO1 Fast PIO2 Fast PIO3 Read Ahead Enabled Mode Disabled Memory and Cache Enables or disables 32 Bit data transfer with the IDE HDD If enabled Read Ahead Mode is also enabled and cannot be changed by the user Selects the method to transfer data to and from the HDD If autotype is used to identify the HDD Setup automatically selects the optimum transfer mode When enabled the read ahead buffer in the local bus IDE controller increas
13. to bend the pins CAUTION Do not touch any electronic component unless you are safely grounded Wear a grounded wrist strap or touch an exposed metal part of the system box chassis A static discharge from your fingers can result in permanent damage to electronic components Main Logic Board Jumper Settings Settings shown in bold italics are factory defaults CPU clock J22 open J21 open J22 open J21 jumpered J22 jumpered J21 jumpered Recovery mode Normal J10 open ee le o Password clear Normal mode J11 open NE es Mijas Boot block write protect Disable BIOS boot block from J32 pins 2 and 3 jumpered being rewritten J32 pins 1 and 2 jumpered Enable BIOS boot block write CAUTION Use of the BIOS boot block jumper is normally reserved for factory use only Keep this jumper in the factory default disabled position at all times and only use when instructed by a Digital service representative Unauthorized use can cause the computer to operate incorrectly 40 MCS Logistics Engineering Nijmegen Digital STARION 9xx amp 20xx PC Service Procedures Main Logic Board Jumper Locations RT 123 rel J32 Do 0 J22luo D9 y21 C JIC DO aan bu dj CJ DI Oo goon goes ES CI OO ED y HH y Eao DEC00669 4 Figure 3 4 Main Logic Board Jumper Locations MCS Logistics Engineering Nijmegen 41 Service Procedures Digital STARION 9xx amp 20xx PC Computer Memory Co
14. will be provided by the service representative assisting in troubleshooting the computer Keep this diskette in a safe place and have it available when calling Digital for service BIOS Setup Utility This chapter provides information on how to configure the computer using the BIOS Setup utility If the computer was delivered with factory installed software it has already been configured When familiar with utility programs and their uses refer to the appropriate sections in this chapter to set up or update the computer Otherwise carefully read this chapter before attempting to modify the computer s configuration settings MCS Logistics Engineering Nijmegen 21 Utilities amp Configuration Digital STARION 9xx amp 20xx PC Running the BIOS setup Ultility The BIOS Setup utility enables to select and permanently store information about the computer s hardware and software in the battery backed memory of the CMOS RAM This information takes effect each time the computer boots and can be changed each time setup is runned Use the BIOS Setup utility when experiencing problems with the hard disk or when reconfiguration of the computer is needed In addition the BIOS Setup utility might be necessary to modify the configuration after hardware is added or removed or computer settings are changed To run the BIOS Setup utility perform the following steps 1 Turn on the computer and allow the POST to complete 2 Make a note of any conf
15. yourself or damage the computer if you attempt to remove the cover before unplugging ac and monitor power cords MCS Logistics Engineering Nijmegen 35 Service Procedures Digital STARION 9xx amp 20xx PC Removing the cover The computer s cover must be removed prior to install any hardware option To remove the cover 1 Loosen and remove three screws along perimeter of rear panel to release cover from chassis 2 Carefully slide cover toward front of chassis until it clears rear panel 3 Carefully lift cover from chassis DEC00423 2 Figure 3 1 Removing the Cover 36 MCS Logistics Engineering Nijmegen Digital STARION 9xx amp 20xx PC Service Procedures Computer Components A ATT B AAA p ATT E ATA E TA G Riser card supports up to five expansion cards 2 PCI and 3 ISA or 4 ISA and 1 PCI B FAX Modem Sound card DEC00666 2 Figure 3 2 Computer Components MCS Logistics Engineering Nijmegen 37 Service Procedures Digital STARION 9xx amp 20xx PC Expansion Slots The Starion riser card contains six slots for installing Three ISA expansion boards and two PCI expansion boards or Four ISA expansion board and one PCI expansion boards refer to the table The computer automatically assigns the necessary resources to any installed Plug and Play compatible expansion board so it operates at maximum performance When planning on installing non Plug and Play expansion boards
16. 6 MCS Logistics Engineering Nijmegen Digital STARION 9xx amp 20xx PC Utilities amp Configuration Restore Individual Programs If an individual application has been inadvertently deleted or has become corrupted it can be restored from the Getting Started Service selection To restore any program you must first have a working copy of Windows 95 and Getting Started installed on the computer To restore an individual application proceed as follows 1 Close and save any open files and close all application programs 2 Open Digital s Getting Started program and click on the Service selection 3 Click on the Restore Factory Software selection 4 The screen displays a list of all software that can be re installed to the hard disk drive 5 Insert the System Software Restore CD into the CD ROM drive 6 Select the software program you want to re install 7 Follow the screen prompts and enter any requested information PHLASH EXE Starion computers are equipped with flash memory This means that users can restore the computer s BIOS simply by running the PHLASH EXE utility Users can also upgrade the computer s BIOS to future releases by running PHLASH EXE along with any flash BIOS update diskette if necessary Download the PHLASH Utility and any required BIOS update files from the Digital BBS Afterwards PHLASH Utility and BIOS update files can be copied onto diskettes for use Accessing and using the BBS is des
17. 82E8 86E8 VGA enhanced mode registers SAES SEES 92E8 96E8 9AE8 9EE8 A2E8 A6E8 AAE8 AEES B2E8 B6E8 BAES BEES E2E8 E2EA 76 MCS Logistics Engineering Nijmegen Digital STARION 9x 20xx PC Device Mapping Computer Interrupt Levels Interrupt Number Interrupt Source Roo Timer Ros JCM O SoundBlaster emulation and Windows sound system IRQ6 Diskette floppy disk drive ifenabled RQS RQ10 RQU IRQI2 DMA Channel Assignment o 1 Diamond TeleCommander and SoundBlaster sound Not used Diskette floppy disk controller if enabled 3 MCS Logistics Engineering Nijmegen 77 Digital STARION 9xx amp 20xx PC Pass Fail Criteria Chapter 6 Pass Fail Criteria As Final Acceptance Test the following tests should be run to meet the Pass Fail criteria 1 Successful completion of the POST tests 2 Successful completion of the following QAPLUS fe module tests one pass System Board All Tests Memory All Tests Video All Tests HardDisk All Tests except Sequential write read destructive test Sequential write random read destructive test Floppy Disk All Tests Keyboard All Tests COM Ports All Tests LPT Ports All Tests Pointer device All Tests 3 Successful bootstrap of the on the computer installed Operating System Operating Systems Supported SCO UNIX Version 3 2 4 Novell Netware 3 12 client 0 MS DOS version 6 22 and earlier 0
18. Nijmegen Digital STARION 9xx amp 20xx PC Removing Expansion Boards To remove an expansion board 1 2 3 4 5 Turn off the computer Disconnect external devices ac power and monitor power Unlock and remove cover Remove screw from metal filler plate Gently pull board outward Figure 3 9 Removing Expansion Boards MCS Logistics Engineering Nijmegen Service Procedures 47 Service Procedures Digital STARION 9xx amp 20xx PC Removing the Main Logic Board To remove the main logic board 1 Turn off the computer 2 Disconnect external devices ac power and monitor power 3 Unlock and remove cover 4 Remove all connectors 5 Remove all expansion boards 6 Remove the riser card and bracket 7 Remove screws and lift the board out Mounting Riser ed Leo Holes 8 Sih Connectors wee Wie o y UO QU UO OU 2 00 UU 00 UU o 0 0000 OUOOUUUO u u Mouse Connector Hard Disk Cable Connector a Power x Connectors Diskette Drive Cable Connector Figure 3 10 Removing the Main Logic Board 48 MCS Logistics Engineering Nijmegen Digital STARION 9xx amp 20xx PC Service Procedures Removing the Power Supply To remove the power supply 1 Turn off the computer 2 Disconnect external devices ac power and monitor power 3 Remove cover 4 Disconnect power supply cabling from main logic board no
19. RAM This increases the computer s performance because the video BIOS instructions are in fast DRAM instead of ROM For PCI VGA cards video BIOS is always shadowed regardless of this field s setting MCS Logistics Engineering Nijmegen 25 Utilities amp Configuration Digital STARION 9xx amp 20xx PC Memory and Cache continued Cache video Enabled This option enables the video BIOS to be cached in the internal cache BIOS Disabled and external cache if installed This increases computer performance because video BIOS instructions can be executed in cache instead of RAM Shadow 16K Enabled Enables or disables shadowing of individual segments of ROM to at Disabled increase computer performance C8000h CC000h D0000h D4000h D8000h DC000h AT bus space Disabled Memory hole not available upper memory is contiguous F80000h Sets the memory hole at address F80000 with 0 5 MB memory 0 5 MB available F00000h 1 Sets the memory hole at address F00000 with 1 MB memory MB available Extended Compatibility Selects the BIOS report mechanism for memory amount Select memory Compatibility when using a conventional operating system report Non Select Non compatibility for extended memory above 64 MB under compatibility Windows NT v3 1 Boot Options Menu Fields Settings Boot sequence A only Each time the computer boots it will load the operating system from the sequence selected Enabled Enables or disables
20. ROM drive Insert a disc indicator shows no activity Cables are loose or incorrectly Properly connect all cables connected Audio Troubleshooting Nothing seems Address contention Two or more Check IRQ VO address and DMA settings to work devices may be trying to access Change settings as required the same address Device drivers missing or Reinstall device drivers improperly installed Cables improperly connected or Check cable connections for proper location not fully connected Reconnect cables Refer to manufacturers documentation Audio does not Sound MIDI mixer drivers not Check the error messages for the necessary drivers work installed In Windows Control Panel select Drivers then Add and install the necessary driver s Cables loose or not properly Make sure speaker and mic plugs are in correct connected jacks Reconnect cables Voice sounds Microphone or telephone Move the telephone mouthpiece 2 to 3 inches distorted handset too close to mouth away from the mouth when speaking When using the microphone make sure that it is positioned 1 to 2 feet away from the mouth Speakers squeal Normal operation No corrective action required when computer is turned off 72 MCS Logistics Engineering Nijmegen Digital STARION 9xx amp 20xx PC QAPlus FE Error Messages Hard disk Hard drive controller Floppy diskette Arithmetic Function Failed General Functions Failed Exc
21. S COMMENTS ii 83 Table of Figures Figure 3 1 Removing the Cover oe RARO ORO 36 Figure 3 2 Computer Components 1037 Figure 3 3 Expansion Slots 14 39 Figure 3 4 Main Logic Board Jumper Locations Figure 3 5 SIMM Socket Locations Figure 3 6 Removing the 3 Inch Diskette Drive 44 Figure 3 7 Removing a 5 Inch Device i 45 Figure 3 8 Removing the IDE Hard Disk Drive i 46 Figure 3 9 Removing Expansion Boards si Figure 3 10 Removing the Main Logic Board ii 48 Figure 3 11 Removing the Power Supply iii Figure 3 12 Removing Riser Card amp Bracket ane Figure 3 13 Installing a Higher Performance CPU eneenvenveneenvenveneeneeneenvenvenveneeneenvenee SI Figure 3 14 Installing Video Memory envenvenvenvenvenvenvenvenvenvenvenvenvenvenvenvenvenvenvenvenaneenvenvenee 52 Figure 3 15 Replacing the Real Time Clock RTC 54 Figure 3 16 Replacing the Computer Battery 56 Figure 3 14 Diskette and IDE Data Cable Connections i 58 MCS Logistics Engineering Nijmegen 5 Digital STARION 9x 20xx PC Revision History Revision History A01 Janary 1996 First release of the Service Manintenance Manual describing the STARION 9xx amp 20xx series computer MCS Logistics Engineering Nijmegen 7 Digital STARION 9xx amp 20xx
22. S E NEESER TERESE EYES Main Logic Board Jumper Settings cciccscccssasssssesccascscasesasevavassccscsavsaesesaavateseasasatevessseviosadencessoacaanesavenaces Main Logic Board Jumper Locations ooneeneeneenvenvenvenvenvenvenvenneenvenvenvenvenvenvenvenvenvennennvenenvente COMPUTER MEMORY CONFIGURATIONS Memory Configurations Starion SIMM Sockets Locations avi PART REMOVAL AND REPLACEMENT sii RARA a Removing the 312 Inch Diskette Drive ii Removing a 5 4 Inch Device Removing the IDE Hard Disk Drive Removing Expansion Boards a Removing the Main Logic Board i Removing the Power Supply aria alan rar ss aaa a Removing Riser Card amp Bracket envenvenvenneeneenvenvenvenvenvenvenvenvenvenvenneenveneenvenvenven INSTALLATION PROCEDURES A A A A Installing a Higher Performance CPU Installing Video Memory Replacing the Real Time Clock RTC Lithium Battery enenvenenveneneenenvenenvenenvenenvenen 53 Replacing the Comiputer Battery i rin 55 MASS STORAGE DEVICES voii a Addie 57 Connecting Diskette and IDE Devices Diskette and IDE Data Cable Connections 58 CHAPTER 4 TROUBLESHOOTING secsissssessssnnsssssiesssesssossesecasesnteventtenicesesontesesdensecesssnessessonsassessensossoes 59 INITIAL TROUBLESHOOTING nenn BSR III 59 BEEP CODES 60 POST AND BOOT MESSAGES 61 POST and B ot Erfor Messages iii 61 POS
23. Starion computer came with audio already configured If not there are audio applications included within Windows 95 Use these applications to set up and configure the computer s audio Any supplied audio drivers are located in the PC Audio directory NOTE Audio is already installed in the computer As a result the Audio DMA and Audio IRQ options in the BIOS Setup are factory set to Enabled Plug and Play Plug and Play technology eliminates the process of manually configuring optional Expansion Boards for operation in the computer With Plug and Play the computer s BIOS and the hardware logic built into Plug and Play expansion boards work together to automatically assign the proper computer resources interrupt requests IRQs I O and memory addressesand direct memory access DMA channels Plug and Play technology also makes installing older legacy expansion boards much easier Information about Plug and Play depends on what Windows based operating environment you are using Windows 95 Plug and Play is integrated in Windows 95 Refer to the Windows 95 information set Refer to the Windows 95 documentation for additional information and installing legacy expansion boards Using The Remote Support Diskette The Remote Support diskette contains software that enables a Digital service representative to remotely troubleshoot the computer over the telephone lines prior to making a service call Instructions on using this diskette
24. T and Boot Informational Messages i 63 COMPUTER TROUBLESHOOTING 65 DISK DRIVE TROUBLESHOOTING 70 MONITOR TROUBLESHOOTING 71 CD ROM TROUBLESHOOTING a nalen sde 72 AUDIO TROUBLESHOOTING ia er e ENEE EEE ARETA io 72 QAPLUS FE ERROR MESSAGES ann ERRO ai 73 4 MCS Logistics Engineering Nijmegen Digital STARION 9xx amp 20xx PC Table of contents Table of Figures CHAPTERS DEVICE MAPPING ussssesessssesnenesnsnssnsnsenenssnssnenennsnennssnenennsnssnsnennenennsnnensnnsnssnsnssnennnnnne 75 CPU Memory Address Map Full Range nn 75 VO Address Map Acad 76 Computer Interrupt Levels tael DMA Channel Assignment CHAPTER 6 PASS FAIL CRITERIA 0scecsens soessenessscsecssecsenedsesenssonssenssecssensesesssecevetsenssssestedsenesesssen 71 APPENDIX A SERVICES NOTES sicccccicesscccsocsosasscsssdcssuesvassocvenstescsvscctsscorsnsvscdeosessctenssenssesstenssessisecssess 73 APPENDIX B USEFUL INFORMATION 6cscsssesscossocescessansssnsssesectooossactescesvocsseassoceibesseacssesbeasscssesasenceess 75 RELATED DOCUMENTATION iiescssusciconvescessvsnssecowiscietvvecsucovcascderecndschovassiaveevedscessesdtestdsedessvassebeutisvesesvecdsevss 75 ON LINE BULLETIN BOARDS essen area nenn seitens rechnet 75 DOCUMENT FEEDBACK oes s ccsisicaceiesssesccenssencdeetesnsdensvonaseossGeasteessuastacesuesdsssanedecsaassacsseossecsesestensebsaasvest 77 PERSONA NOTES ii A Added neh 79 READER
25. UNIX System Laboratories Inc All other trademarks and registered trademarks are the property of their respective holders Created by CES MCS Logistics Engineering Nijmegen Printed in Ireland Digital STARION 9xx amp 20xx PC Table of Contents Table of Contents REVISION HISTORY enesvenesvenconenvenenvenenoenenvenensenensenveneneonenvenenvenensenvenenennensenenvenensenenvenveneonenvenensenen 7 PREFACE A 9 CHAPTER 1 PRODUCT DESCRIPTION ssrsrrererrsieeie eis ie zz is zio ee zio ren io nin ie nin ee zio ee nio nin ee niorenione 11 PRODUC PEN TROD TION se ERLE REKEN 11 PRODUCT MODELS INFORMATION uses ine erneer andes 12 CHAPTER 2 SERVER UTILITIES amp CONFIGURATION sussesnesesuenesossesnsnssnenennenennsnssnsnesnenssnene 15 SYSTEM UTILITIES stine RAINERIO A E men IRINA 15 Backup Media i Restoring Factory Installed Software ii Restore All Factory Installed Software ii Restore Individual Programs PHLASH EXE Before Using PHLASH EXE Creating a Crisis Recovery Diskette Using a Crisis Recovery Diskette Upgrading the Computer s BIOS ae Configuring the Boot Block Jumper iii UTILITIES AND VIDEO DRIVERS clero Setting High Resolution Mode for the Monitor dee CGontisuring AU TARRA NT PU AP O OTTO CTE Using The Remote Support Diskette BIOS SETUP UTILITY
26. Windows 3 11 0 Windows 95 0 Windows NT Workstation 0S 2 version 3 0 Warp 0 0 Remove any software that was put on the hard drive to enable repair of the system before shipping When completed carefully clean outside of unit with cleaning solution MCS Logistics Engineering Nijmegen 79 Digital STARION 9x 20xx PC Service Notes zO IP 0 Appendix A Services Notes 9 x x 2 0 x x This appendix contains the current Service Notes for the Starion 9xx amp 20xx product line MCS Logistics Engineering Nijmegen 81 Digital STARION 9xx amp 20xx PC Useful Information Appendix B Useful Information Related documentation Document Titles STARION 9XX Quick Reference Guide EK A8054 RG STARION Quick Setup Guide ER 901A3 IA On Line Bulletin Boards The most current product information and technical support is also available on line The most current device drivers Setup diskettes and technical tips can be found on all of these bulletin boards DECpc Bulletin Board Server DECpc BBS provides an easy to use menu driven bulletin board providing on line access to the latest PC product information device drivers shareware and freeware For access to the DECpc BBS dial 1 508 496 8800 CompuServe Digital hosts a number of conferences on Compuserve featuring a wide range of topics Enter GO DEC to reach Digital s main menu page For information on PC integration enter GO DEC PC MCS Logistics E
27. by timer 1 min computer in a standby state medium power savings that is the 5 min Energy Star compatible monitor and hard disk are set to a medium 10 min power saving state Any mouse or keyboard activity quickly returns 20 min the computer to operation Disabling this option prevents this feature 30 min from operating Power management must be enabled to use this option System Disabled After a set period of computer inactivity the BIOS places the suspend timer 1 hour computer in a suspend state maximum power savings that is the 1 5 hours Energy Star compatible monitor hard disk CPU and fan are shut off 2 hours If a timer is set for the field set Power Management to Enabled 3 hours Disabling this option prevents this feature from operating Power 6 hours management must be enabled to use this option 12 hours Suspend Lock No When enabled the system locks the keyboard and the mouse until the system Yes power on password is entered Quick suspend Disabled Selects the key combination used to put the system in suspend mode User selected key sequence MCS Logistics Engineering Nijmegen 31 Digital STARION 9xx amp 20xx PC Service Procedures Chapter 3 Service Procedures Safety Requirements WARNING Static electricity collects on non conductors such as paper cloth or plastic A static discharge can be damaging even though it often cannot be felt or seen The following safety precautions must be observed to
28. cific operating problems or errors Menu Fields Settings PCI Slot 1 Default 40h Select Default or a value from 08h to F8h to set the PCI device s Latency 08h F8h latency timer Default uses the PCI device s power on setting Timer PCI Slot 2 Default 40h Select Default or a value from 08h to F8h to set the PCI devices Latency 08h F8h latency timer Default uses the PCI device s power on setting Timer VGA palette Enabled This option controls how VGA devices handle accesses to their palette snoop Disabled areas Enabling this option causes special palette behavior a device Default must not respond to normal accesses Disabling this option causes a device to treat palette accesses like any other device access Enable VGA Palette Snoop when a second video adapter is connected to the feature connector of the installed VGA adapter for multi media devices Monitor Auto Sets the monitor type Auto automatically detects the monitor type If Color Auto fails to correctly detect the monitor type select Color or Monochrome Monochrome as appropriate VGA Feature Enabled Use with VGA add in cards to inform card not to claim VGA palette connector writes Disabled Use to inform VGA add in cards to claim VGA palette writes Onboard VGA Enabled Select Enabled if the application requires VGA IRQ IRQ Disabled Security Options Supervisor Not user Indicates whether or not the supervisor s password is enabled or password is selectable di
29. ck it in its original container and return it to Digital for service Fill in the appropriate fields of the Part Exchange Form with the relevant error information MCS Logistics Engineering Nijmegen 59 Troubleshooting Digital STARION 9xx amp 20xx PC Beep Codes When POST finds an error and cannot display a message the computer s speaker emits a series of beeps to indicate the error For example video failure or configuration error is indicated by a 1 2 beep code a burst of three beeps one long beep followed by two short beeps The following table lists other fatal error and their associated beep codes Each code represents the number of short beeps that are grouped together Fatal errors errors that lock up the computer are generally the result of a failed main logic board or some other add on component SIMM BIOS computer battery etc BIOS ROM checksum Test DRAM refresh Test keyboard controller Test 512K base address lines 60 MCS Logistics Engineering Nijmegen Digital STARION 9xx amp 20xx PC POST and Boot Messages The POST displays messages to alert to errors in hardware software and firmware or to provide operating information about the computer Each time the POST displays a message on the screen the computer s speaker beeps twice If an error occurs before the monitor is initialised specific beep codes sound to alert to a problem The following table lists a general grouping of syste
30. cribed using the Getting Started Services selection or a Digital service representative can help The following files should be copied onto the BIOS Diskette PHLASH EXE and associated runtime files Binary BIOS images Before Using PHLASH EXE Before upgrading the BIOS using PHLASH EXE make a backup diskette crisis recovery diskette of the old BIOS It is important to make this diskette Should you find the BIOS upgrade unsuccessful this crisis recovery diskette can be used to return to the old BIOS The following is needed to create this diskette A blank 3 inch 1 44 MB formatted diskette A diskette copy of the PHLASH Utility downloaded from the Digital BBS MCS Logistics Engineering Nijmegen 17 Utilities amp Configuration Digital STARION 9xx amp 20xx PC Creating a Crisis Recovery Diskette 1 2 3 4 5 6 7 8 Turn on the computer and allow the POST to complete If POST detects an error refer to Chapter 4 Troubleshooting to identify and determine how to correct the problem After the problem has been resolved restart the computer Insert the BIOS diskette into the diskette drive and enter A DIR The entry should show that the following files are on the diskette MINIDOS SYS PHLASH EXE MAKEBOOT EXE MAKECRD EXE DEVTBLS DAT PHLASH INI STARION ROM Note that there are some additional files as well Refer to the README file on the diskette for additional information C
31. detect and remove There might be a boot sector viruses F PROT virus For DOS boot from a DOS diskette then enter the Hard disk boot sector is missing following commands c cd dos fdisk mbr 68 MCS Logistics Engineering Nijmegen Digital STARION 9xx amp 20xx PC Troubleshooting Computer Troubleshooting continued Computer does not recognize an internal or external SCSI device Computer does not boot from an internal SCSI hard disk drive Computer does not boot from a target diskette drive No response to keyboard commands SCSI device jumpers incorrectly set SCSI cable not terminated SCSI device not plugged in Terminating resistors not removed from the SCSI device SCSI adapter failure SCSI ID conflicts Operating system software is not installed on the SCSI hard disk drive Requested partition does not exist Computer not configured for SCSI hard disk drive operation Drive ID incorrectly set Diskette drive not enabled Diskette boot option disabled Onboard diskette controller disabled Diskette does not contain start up files Keyboard is password protected Keyboard is connected to the mouse port Computer operation halted MCS Logistics Engineering Nijmegen Refer to the supplied SCSI device kit installation instructions Terminate each end of the SCSI bus Check power and SCSI cables Remove terminating resistors Replace SCSI adapter S
32. e BIOS should now be successfully upgraded Utilities and Video Drivers Setting High Resolution Mode for the Monitor When purchasing a high resolution monitor you might want run the Windows 95 Settings program and access the control panel Display selections to change the monitor type video resolutionsand color depths to match the capabilities of the monitor Refer to Changing System Setting section of the Windows 95 manual for more information S3refrsh EXE is an MS DOS based utility that works in conjunction with Windows 95 Display selections to set the video controller monitor refresh rates This utility has been pre installed and configured at the factory to meet most monitor resolution needs In most cases this utility is never needed To use S3refrsh EXE proceed as follow 1 AttheC gt prompt type S3refrsh EXE and then press Enter The S3refrsh utility screen appears The refresh options are shown on the left side and the corresponding resolutions are displayed on the top of the matrix 2 Click on the desired boxes The X mark means that a selection is not valid Selected refresh rates are defined by check marks 3 Click on EXIT to set the new refresh rate The utility will then prompt when wishing to save the changes in the AUTOEXEC BAT file Confirm by entering yes Y 20 MCS Logistics Engineering Nijmegen Digital STARION 9xx amp 20xx PC Utilities amp Configuration Configuring Audio In most cases the
33. e computer beeps several times This means the computer cannot properly boot using the BIOS files that were just copied during the flash update The computer accesses the diskette drive The computer is searching for the crisis recovery diskette to restore the BIOS to its previous known state Restore the computer s BIOS to its previous known state by performing the following procedures 1 2 3 4 5 Turn off the computer unlock and remove the coverand set the recovery jumper J32 to Recovery Mode jumper on Jumper J32 controls whether the computer is in recovery or normal operation Replace the cover insert the crisis recovery diskette into drive Aand then power on the computer The computer automatically boots from drive A and upgrades the BIOS Upon completion the computer sounds a beep code and attempts to restart After the BIOS is restarted turn off power to the computer and remove the crisis recovery diskette from drive A Remove the cover and set the recovery jumper J32 to Normal jumper off Replace and lock the left side cover and turn the power back on for normal operation Upgrading the Computer s BIOS 1 2 3 4 5 6 Perform the following steps to update the computer s BIOS in the flash memory to a new updated one Locate or create a crisis recovery diskette Do not use a crisis recovery diskette created on any other computer Refer to Creating a Crisis Recovery Disk
34. e devices might vary Connecting Diskette and IDE Devices Refer to the specific data cable connection topics listed below for illustrations of the relevant connections To connect diskette and IDE devices perform the following 1 Connect supplied ribbon cable to device 2 Connect a power cable to device 3 Replace cover 4 Connect external devices and restore power 5 Run BIOS Setup utility to configure computer NOTE If only one IDE device is installed make sure to use the ribbon cable connector furthest from the main logic board connector Also when having IDE devices installed in both internal drive bays make sure that the ribbon cable has no twists between the two IDE drives Most cables and sockets are keyed so they cannot be connected backwards If the cable or device is not keyed connect pin 1 of cable to pin 1 of device s socket Pin 1 of cable is on edge with colored stripe Pin 1 of device s socket should be marked with a number or symbol at one end of socket or with a number or symbol printed on circuit board near one end of socket If necessary refer to the device s documentation for pin 1 orientation MCS Logistics Engineering Nijmegen 57 Service Procedures Digital STARION 9xx amp 20xx PC Diskette and IDE Data Cable Connections A Powersupply IB Powerconneetioo 0777 JD MDE driveconnection JH CDROM drive connection gt S O IY Audio cable from CD ROM to sound card Figure 3 14 Diske
35. eption Interrupt in Protected Mode Refresh Failure Logic Functions Failed Butterfly Cylinder Access Test Failed Cylinder 0 Errors Random Cylinder Access Failed Linear Cylinder Access Failed Controller Diagnostic Test Failed Questionable Controller Card Hard drives failed Media Mismatch Drive Not Ready Write Protected Media Unformatted Media Troubleshooting Reset CPU Replace CPU Low level format hard disk Replace disk Run Setup Check connections Reset controller Replace controller Replace disk Use known good diskette Check size and density of diskette Close drive door Remove write protection Format diskette Floppy drive Floppy Drives Failed Check connections Replace drive Battery clock Clock Stopped Invalid Date RTC Interrupt Failed Run Setup Replace battery clock CMOS CMOS Clock Test Failed Change time from Setup menu in QAPLUS Serial port COM port failed Serial Chip Error Serial Compare Error Serial Timeout Error Check COM device Check connections Replace COM device Replace COM device Video adapter Video Failed Replace video adapter Error in Video Replace video adapter MCS Logistics Engineering Nijmegen 73 Digital STARION 9xx amp 20xx PC Device Mapping Chapter 5 Device Mapping This section provides a series of tables listing mapping and address information related to computer memory and various main logic board devices
36. es HDD performance Enabled is selected automatically if 32 Bit I O is enabled Menu Fields Settings Internal cache Enabled Enables or disables the computer s internal cache Disabled External Enabled cache Disabled System BIOS shadow Not user selectable permanently set to Enabled Cache system Enabled BIOS Disabled External cache is not present or upgradeable on Starion 2001 3001 systems The main logic board reserves an area of DRAM called shadow memory for a copy of system BIOS ROM This DRAM is write protected and has the same addresses as the system BIOS ROM locations When system BIOS ROM is shadowed the ROM information is copied into an appropriate area in DRAM This increases the computer s performance because the system BIOS instructions are in fast DRAM instead of ROM This option enables the system BIOS to be cached in the internal cache and external cache if installed This increases computer performance because BIOS instructions can be executed in cache instead of RAM MCS Logistics Engineering Nijmegen Digital STARION 9xx amp 20xx PC Utilities amp Configuration Video BIOS Enabled The main logic board reserves an area of DRAM called shadow shadow Disabled Memory for acopy of video BIOS ROM This DRAM is write protected and has the same addresses as the video BIOS ROM locations When video BIOS ROM is shadowed the ROM information is copied into an appropriate area in D
37. et SCSI IDs correct Install the appropriate operating system on the SCSI hard disk drive Partition the SCSI hard disk drive and then reload the operating software Run the BIOS Setup utility and set the IDE controller option to Disabled This disables the IDE interface Note When having both IDE and SCSI hard disk drives installed the computer uses the IDE hard disk drive as the boot device Make sure the drive ID is correctly set Run the BIOS Setup utility to enable the diskette drive Run the BIOS Setup utility and set and set the proper boot sequence Run the BIOS Setup utility and set the diskette controller option to Enabled Insert a diskette with the correct start up files Enter the keyboard password Power down the computer and connect the keyboard to the keyboard port Reboot Computer 69 Troubleshooting Digital STARION 9xx amp 20xx PC Computer Troubleshooting continued Mouse is password protected Problem No response to mouse commands Mouse is connected to the keyboard port Mouse driver not installed Computer operation halted Disk Drive Troubleshooting IDE SCSI hard disk drive cannot read or write information Target diskette drive cannot read or write information 70 Incorrect disk drive jumper settings Loose or incorrectly installed cables IDE drive type incorrect Onboard IDE interface disabled IDE SCSI hard disk drive is not co
38. ette Insert the BIOS diskette in the diskette drive Turn on the computer and allow the POST to complete The computer now boots from the BIOS diskette If POST detects an error refer to Chapter 4 Troubleshooting to identify and determine how to correct the problem After the problem has been resolved restart the computer At the MS DOS prompt type A UPGRADE PHLASH A screen appears on the monitor warning that the computer s BIOS is about to be erased Press Enter to continue Press Esc to cancel If Enter is pressed PHLASH EXE automatically updates the computer s BIOS After the flashing process completes the computer automatically reboots itself so changes immediately take effect Remove the BIOS diskette MCS Logistics Engineering Nijmegen 19 Utilities amp Configuration Digital STARION 9xx amp 20xx PC Configuring the Boot Block Jumper Perform the following steps to configure the boot block jumper J32 1 Turn off power to the computer 2 Disconnect external devices and power 3 Unlock and remove the cover 4 Change the jumper setting of J32 from position 1 2 to position 2 3 5 Close the drive bay subassembly 6 Replace and lock the cover 7 Reconnect external devices and restore power 8 Repeat steps 2 5 of the BIOS update procedure 9 Repeat steps 1 4 of this procedure 10 Restore the jumper setting of J32 to position 1 2 11 Repeat steps 6 8 of this procedure Th
39. g ART N Service digita Maintenance o Tore Seve Manual g STARION 9xx amp 20xx PC Family EK A0853 SV A01 Copyright Digital Equipment Corporation All rights reserved January 1996 January 1996 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 might 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 responsibility is assumed for the use or reliability of software or equipment that is not supplied by Digital Equipment Corporation or its affiliated companies Restricted Rights Use duplication or disclosure by the U S Government is subject to restrictions as set forth in subparagraph c 1 ii of the Rights in Technical Data and Computer Software clause at DFARS 252 227 7013 Copyright Digital Equipment Corporation All Rights Reserved The following are trademarks of Digital Equipment Corporation STARION and the Digital logo The following are third party trademarks MS DOS and Windows and Windows NT and Windows NT Server are trademarks of Microsoft Corp Novell and Netware are trademarks of Novell Inc SCO and Open Desktop are trademarks of The Santa Cruz Operation Inc UNIX is a registered trademark of
40. iguration errors listedand then press F2 to display the main menu 3 Follow the instructions on the monitor screen and any on line help pop up screens to configure the computer Updating The Computer s Configuration The following sections list the BIOS Setup utility options that can be updated or modified using the following menu selections Main enables to set basic computer configuration options time date video etc Advanced enables to set advanced features to increase computer performance memory COM ports LPT port etc _ Security enables to set passwords and backup data reminders Power enables to set power saving options to conserve electricity and increase the life of the computer Exit enables to quit the current menu and save setup changes Helpful Hints Below are some helpful hints when using the BIOS Setup utility Several keyboard function keys and numeric keypad keys are assigned to help to select menus and sub menus options change option valuesand display help information These keys are displayed at the bottom of the main menu and from the General Help pop up screen Item specific help is available anytime during the setup process and appears at the right of the setup screen each time an option is highlighted This on line help provides information about a highlighted option Select Save Changes amp Exit to save all Setup values Select Discard Changes amp Ex
41. install operates incorrectly incorrectly after installing External cache module has Replace external cache module optional failed external cache module Computer fails Computer battery has failed Replace computer battery to retain setup information CMOS clear Jumper J16 Disable CMOS clear Jumper J16 enabled MCS Logistics Engineering Nijmegen 67 Troubleshooting Digital STARION 9xx amp 20xx PC Computer Troubleshooting continued Computer does Operating system software is not Install the appropriate operating system not boot from installed on the IDE hard disk an IDE hard drive disk drive IDE hard disk drive is not Format the IDE hard disk drive or partition the correctly formatted or the IDE hard disk drive using the supplied operating requested partition does not system software exist Install software on the requested partition There is no software on the requested partition Refer to the supplied IDE hard disk drive kit IDE hard disk drive jumpers installation instructions incorrectly set Run the BIOS Setup utility to identify the correct IDE drive type incorrect drive type Secure all cable connections Loose cables Run the BIOS Setup utility and set the IDE Onboard IDE interface disabled controller option to Enabled Connect the boot disk to the inner IDE connector IDE hard disk is connected to the on the main logic board wrong IDE connector Run appropriate software to
42. it to exit Setup without recording any changes Select Get Default Values to set all Setup options to their default values Select Load Previous Changes to restore all CMOS values from the last session Select Save Changes to save all selections without exiting Setup Press Esc to exit the Setup utility 22 MCS Logistics Engineering Nijmegen Digital STARION 9xx amp 20xx PC Utilities amp Configuration BIOS Setup Utility Options The following topics list the BIOS options that can be updated or modified by using the BIOS Setup utility according to the various sub menus under which they appear NOTE In some cases options might be listed in a different order than they actually appear in the sub menus Main Menu Options Diskette drive 1 44 MB 3 Sets the size and density of diskette drives A Diskette 2 88 MB 3 drive B Not Installed 1 2 MB 5 720 KB 342 Video system EGA VGA Sets the video controller type CGA 80x25 Monochrome Displays the amount of base conventional memory each time the memory selectable computer boots memory selectable boots Hard Disk Options IDE Adapter 0 1 Master Slave Menu Fields Settings Autotype fixed Press Enter to detect and fill in the installed hard disk drive disk parameters in the remaining fields Type None to 39 Selecting None to 39 automatically fills in the remaining fields in this User menu Selecting User allows the
43. keyboard controller interrupt controller DMA controller etc The computer s memory and address locations are allocated at the factory to operate within a standard PC environment However due to the number of optional devices and or expansion boards that are available sometimes memory and address locations need to be changed For example some network expansion boards require a specific memory location If that location is already allocated a memory conflict results and the expansion board will not operate as expected Note that some memory I O and interrupt locations can be changed using the BIOS Setup utility NOTE Plug and Play add in cards are automatically configured by the computers BIOS The ICU must be run to properly configure computer resources for use with legacy ISA cards that is not Plug and Play ISA in order to avoid conflicts with Plug and Play cards CAUTION Before changing any memory or address location refer to the documentation supplied with the optional device expansion board or software application and make sure adequate information is available CPU Memory Address Map Full Range ange meio JN 0 KB to 640 KB PC compatibility range 640 KB to 1024 KB main memory PC compatibility range TT e MCS Logistics Engineering Nijmegen 75 Device Mapping Digital STARION 9x 20xx PC I O Address Map Primary secondary IDE controller alt status device address VGA enable register 42E8 4AE8
44. lear front panel and slide diskette drive out of the front of the chassis 7 Disconnect ribbon cable 8 Refer to Connecting Diskette and IDE Devices Figure 3 6 Removing the 3Y Inch Diskette Drive 44 MCS Logistics Engineering Nijmegen Digital STARION 9xx amp 20xx PC Removing a 5 Inch Device To remove a 5 4 inch device 1 2 3 4 5 6 7 Turn off the computer Disconnect external devices ac powerand monitor power Remove cover Remove four screws securing the device to device bay Disconnect power and data audio cables Refer to Connecting Diskette and IDE Devices Slide device out of the front of the chassis Figure 3 7 Removing a 5 Inch Device MCS Logistics Engineering Nijmegen Service Procedures Service Procedures Digital STARION 9xx amp 20xx PC Removing the IDE Hard Disk Drive To remove the IDE hard disk drive 1 2 3 4 5 6 7 8 Turn off the computer Disconnect external devices ac power and monitor power Remove cover Remove metal filler plate Remove four screws securing hard disk drive to device bay Disconnect power and ribbon cables Slide drive toward rear of computer to clear guide tab on left side Lift front of device up and over guide tab and slide drive out of the front of the chassis Refer to Connecting Diskette and IDE Devices Figure 3 8 Removing the IDE Hard Disk Drive MCS Logistics Engineering
45. ly adjusted Monitor signal cable incorrectly installed Computer was turned on before the monitor was turned on Video jumper incorrectly set Appropriate high resolution video drivers are not installed or incorrectly installed Monitor type incorrectly set MCS Logistics Engineering Nijmegen Troubleshooting Turn on the monitor Use another outlet Replace the failed component Run the BIOS SETUP UTILITY to configure the computer for VGA operation Set the jumper for VGA operation Refer to Main Logic Board Jumpers Adjust the monitor brightness and contrast controls Set the correct monitor type Refer to appropriate video driver documentation Adjust accordingly Straighten any bent connector pins and then reconnect Turn off the computer turn on the monitor then turn the computer back on Set the jumper for VGA operation Correctly install all appropriate high resolution video drivers Refer to the documentation supplied with the monitor and or video drivers Set the correct monitor type Refer to appropriate video driver documentation 71 Troubleshooting Digital STARION 9xx amp 20xx PC CD ROM Troubleshooting Cannot access Device drivers not installed Install correct device drivers the CD ROM drive Error Disc is dirty or damaged Carefully clean the disc using appropriate message reading materials Also try another disc drive X Power is on but No disc in the CD
46. m messages NOTE Italics indicate variable parts of a message such as memory addresses hexadecimal valuesand so on These messages can differ at each occurrence POST and Boot Error Messages EN _ sotto Diskette drive A Diskette drive has failed error Diskette drive B error Extended RAM Failed at offset nnnn Failing Bits nnnn Fixed Disk 0 Failure Fixed Disk 1 Failure Fixed Disk Controller failure Incorrect Drive Atype run SETUP Incorrect Drive Btype run SETUP Invalid NVRAM media type Extended memory failed or configured incorrectly nnnn is a map of the bits at the RAM address which failed the memory test Hard disk drive and or controller failed Diskette drive A and or B not correctly identified in the BIOS Setup utility NVRAM access failed MCS Logistics Engineering Nijmegen In addition each message is accompanied by text describing the message and in most cases a recommended solution to the problem Troubleshooting Run the BIOS Setup utility Check all connections If the problem persists replace the defective diskette drive and or drive cable Make sure SIMMs are installed correctly see Installing SIMMs If the problem persists replace defective SIMMs Run the BIOS Setup utility and restore all settings to original values Run the BIOS Setup utility and restore all settings to original values If the problem persists replace the defective memory Run the
47. m number of characters is 50 Diskette access Supervisor Controls who has access to diskette drives If Supervisor is selected User access to the diskette drive mouse limited to the supervisor who must enter his or her password If User is selected the diskette drive can be accessed by entering either the supervisor or the user password Whatever setting is chosen it only becomes functional if both a Supervisor Password and a User Password have been set when choosing User for the setting Fixed disk Normal Write protects the boot sector on the hard disk drive boot sector Write protect Network Enabled This option keeps the computer from being accessed during network server Disabled operation System Disabled Enables or disables the system backup reminder message backup Daily reminder Weekly Monthly Virus check Disabled Enables or disables the virus check reminder message reminder Daily Weekly Monthly Keyboard Enabled Select Enabled to quick lock the keyboard quick lock Disabled Select Disabled to disable this feature 30 MCS Logistics Engineering Nijmegen Digital STARION 9xx amp 20xx PC Utilities amp Configuration Power Options Power Enabled Enable this field to use any of the power management options If this management Disabled field is enabled and the other fields are disabled only minimal power reduction is affected System Disabled After a set period of computer inactivity the BIOS places the stand
48. nfigurations Adding more memory allows the computer to run larger more complicated software and to run it faster The computer comes with 8 MB of memory hardwired to the main logic board Additional memory can be installed to a maximum of 128 MB using the two SIMM sockets on the main logic board When adding SIMMs be sure to Installa matching pair only Install 32 bit SIMMs having an access time of 70 ns or less Supported SIMM sizes 4 MB 8 MB 16 MB 32 MB or 64 MB For improved performance Starion Minitower PC computers are designed with interleaved memory This feature requires to populate both sockets Ensure that the SIMM in each socket is the same type sizeand speed Therefore a 4 MB SIMM in socket J23 requires a 4 MB SIMM in socket J24 Memory Configurations BMB 16 MB 42 MCS Logistics Engineering Nijmegen Digital STARION 9xx amp 20xx PC Service Procedures Starion SIMM Sockets Locations i u 2200000000 DEC00669 3 Figure 3 5 SIMM Socket Locations MCS Logistic s Engineering Nijmegen 43 Service Procedures Digital STARION 9xx amp 20xx PC Part Removal and Replacement Removing the 3 Inch Diskette Drive To remove the 3 inch diskette drive 1 Turn off the computer 2 Disconnect external devices ac power and monitor power 3 Remove cover 4 Remove two screws securing the diskette drive to front panel 5 Disconnect power cable 6 Slightly lift front of drive to c
49. ng a new battery Also be sure to replace the battery with either a Digital P N 12 41474 05 Toshiba P N CR20302 or equivalent 3V dc Lithium battery Depending on your locality the computers battery might be considered hazardous waste Make sure to follow any state or local statute to properly dispose of the old battery Install new battery When installing new battery make sure side faces up Replace cover Connect external devices and restore power 10 Run BIOS Setup utility to reconfigure computer using recorded configuration settings from step 1 MCS Logistics Engineering Nijmegen 55 Service Procedures Digital STARION 9xx amp 20xx PC Figure 3 16 Replacing the Computer Battery DEC00670 6 56 MCS Logistics Engineering Nijmegen Digital STARION 9xx amp 20xx PC Service Procedures Mass Storage Devices The Starion Minitower PC computer contains five mass storage device bays The top device bay contains a factory installed 3 inch diskette drive The second device bay contains a factory installed CD ROM drive The third and fourth device bays can hold 5 4 inch half height devices For example a diskette drive or a hard disk drive The internal device bay is not accessible from the front of the computer and contains a factory installed 32 inch hard disk drive The following procedures and illustrations show a base computer configuration The specific drive bay configurations and storag
50. ngineering Nijmegen 83 Digital STARION 9xx amp 20xx PC Document Feedback Document Feedback If you have comments on the contents or layout of this document we highly appreciate your feedback We will do our best to make this document a valuable support to your service efforts for Digital Please fill out the reader feedback form and send or fax it to Digital Equipment Parts Center b v Att MCS Logistics Engineering Call Desk P O Box 6774 6503 GG Nijmegen Holland If you have questions about this document please do not hesitate to get in contact with our Call Desk The number is Phone xx31 24 3529666 Fax xx31 24 3563106 MCS Logistics Engineering Nijmegen 85 Personal Notes Personal Notes Personal Notes Personal Notes READERS COMMENTS Digital STARION 9xx amp 20xx PC Service Maintenance Manual EK A0853 SV Rev A01 This form is for documents only Commitments submitted on this form are used at Digital s direction Did you find errors in this manual If so specify by page Is the documentation understandable usableand sufficient for your needs What material is missing
51. port device such as a printer supports Check the parallel port device documentation for this information If this information cannot be located use the default setting Serial port 1 Auto Enables or disables onboard serial port 1 at the specified Disabled address Select Auto unless interrupts IRQ4 and or IRQ3 are allocated 3F8 IRQ 4 as a computer resource 2F8 IRQ 3 Two devices cannot share the same IRQ Choosing Disable makes 3E8 IRQ4 serial port 1 unusable When selecting Auto Setup configures COMI 2E8 IRQ3 to address 3F8h and IRQ 4 2E8 IRQ3 to address 2F8h and IRQ 3 controller Disabled Disabled Logically exchanges physical diskette drive designations diskette drives Enabled Enables or disables the selected diskette drive s write protect option protection Enabled IDE adapter 1 Disabled Serial port 2 Auto Enables or disables onboard serial port 2 at the specified Disabled address Select Auto unless interrupts IRQ4 and or IRQ3 are allocated 3F8 IRQ 4 as a computer resource 2F8 IRQ 3 Two devices cannot share the same IRQ Choosing Disable makes 3E8 IRQ4 serial port 2 unusable When selecting Auto Setup configures COM2 28 MCS Logistics Engineering Nijmegen Digital STARION 9xx amp 20xx PC Utilities amp Configuration Advanced Chipset Control CAUTION The following advanced chipset control options should normally stay at their default values Change them only if necessary to correct spe
52. re latest version Supplier information Diagsoft Inc 5615 Scotts Valley Drive Suite 140 Scotts Valley California 95066 U S A Voice 1 408 438 8247 Fax 1 408 438 7113 Internet http www diagsoft com Diagsoft Inc homepage Recommended Virus Detection and Cleanup Software F PROT Virus Detection and Cleanup Software latest version Supplier information North America South America Australia and New Zealand Command Software Systems Inc Tel 1 407 575 3200 Fax 1 407 575 3026 Most of Europe Africa Middle and Far East Data Fellows Ltd Paivantaite 8 FIN 02210 ESPOO FINLAND tel 358 0 478 444 fax 358 0 478 44 599 e mail f prot datafellows fi Internet http www datafellows fi Data Fellows Ltd homepage 34 MCS Logistics Engineering Nijmegen Digital STARION 9xx amp 20xx PC Service Procedures ECO FCO Information BIOS version information Refer to the Digital DECpc Bulletin Board Support telephone number 1 508 496 8800 for the latest information on BIOS upgrades NOTE This BBS is NOT a source for technical support For advice please call the Digital Equipment Service Representative 1 800 354 9000 Unlocking and Removing the Cover Before removing the cover do the following 1 Turn off power to all external devices connected to computer 2 Turn computer off 3 Unplug power cord from wall outlet 4 Disconnect power cord and monitor cord from computer WARNING You might injure
53. reate an upgrade directory on the hard disk drive For example if the hard disk drive is c gt enter at the DOS prompt C MD UPGRADE Copy the files from the BIOS diskette into the upgrade directory on the hard disk drive For example from the DOS prompt enter COPY A UPGRADE C UPGRADE Insert a blank formatted diskette into drive A On drive A make a directory for the files previously copied For example from the DOS prompt enter A MD UPGRADE Return to the hard disk drive and copy the files From the DOS prompt enter C MAKECRD The makecrd command prompts for a recovery diskette to be placed in drive A and then automatically copies the files to drive A Remove the crisis recovery diskette from drive A and store it in a safe place MCS Logistics Engineering Nijmegen Digital STARION 9xx amp 20xx PC Utilities amp Configuration Using a Crisis Recovery Diskette The crisis recovery diskette must be used only if the computer s BIOS fails or if a BIOS upgrade was unsuccessful If the computer s BIOS failed to flash properly or is corrupted in some way the following sequence of events occurs POST detects an error after a normal boot cycle or a BIOS upgrade This message appears on the monitor screen indicating that the computer s BIOS did not flash properly or has failed The BIOS in the bootblock memory automatically executes The computer attempts to find the correct BIOS files to execute the correct boot cycle Th
54. rrectly formatted or partitioned Onboard diskette controller disabled Diskette write protection is enabled Enter the keyboard and mouse password Power down the computer and connect the mouse to the mouse port Install the appropriate mouse driver Reboot Computer Refer to the supplied kit installation instructions Make sure all cables are correctly installed Run the BIOS Setup utility to identify the correct drive type Run the BIOS Setup utility and set the IDE controller option to Enabled Format and partition as required using the supplied operating system Run the BIOS Setup utility and set the diskette controller to Enabled Run the BIOS Setup utility and set the diskette write protection to Disabled MCS Logistics Engineering Nijmegen Digital STARION 9xx amp 20xx PC Monitor Troubleshooting Possible Cause Monitor power indicator is not on No screen display No monitor display while loading Windows video drivers Distorted rolling or flickering screen display or wrong uneven color Color monitor displaying monochrome Monitor fails to switch to high resolution mode Monitor display not centered while loading Windows video drivers Monitor is turned off No power at wall outlet Power indicator is defective Configuration error Monitor brightness and contrast controls are incorrectly set Monitor type incorrectly set Monitor incorrect
55. sabled Disabled User password Not user Indicates whether or not the user s password is enabled or disabled i selectable Disabled Allows a supervisor password to be set The supervisor password must be set if a user password is to be used When the supervisor later enters his or her password all user selectable features are accessible MCS Logistics Engineering Nijmegen 29 Utilities amp Configuration Digital STARION 9xx amp 20xx PC Security Options continued Press Enter Allows a user password to be set This password can be set only if a supervisor password is entered When the user has entered his or her name but the supervisor is not logged in only the following information is accessible Supervisor password is Enabled User password is Enabled Set user password press enter to enter a user password Password on boot Enabled Disabled which ever is in effect This option is not allowed to change Custom sign on banner Enabled Disabled which ever is in effect This option is not allowed to change Password on Enabled Enables or disables the enter password on boot option boot Disabled Custom sign Not user Indicates whether the custom sign on banner is enabled or disabled on banner is selectable Disabled Custom sign Press Enter Press Enter to enter a custom sign on banner that displays during on banner POST For example the user might enter Welcome to John s machine The maximu
56. sia Running the BIOS setup Ultility Updating The Computer s Configuration Helpful Hints BIOS Setup Utility Options dd Main Menu Options e OI O NITTI Hard Disk Options IDE Adapter 0 1 Master Slave ii 23 Memory and Cache is BOG OPOS Rara ARIE IN IRRE ERSTER EEE KeyboardiFe tures antennen Em ER IR RR Advanced Options de Integrated Pericles 28 Advanced Chipset Control RO ie 29 Security Options s Power Options nun 31 MCS Logistics Engineering Nijmegen 3 Table of Contents Digital STARION 9xx amp 20xx PC CHAPTER 3 SERVICE PROCEDURES 22 20ss00s00ns00nne0nse0nnennnennnunnnsnnnunnnunnnunnnennnsnnnsnnnssnnsnnnsnnnnnennnene 33 SAFETY RECURRE ALe 33 RECOMMENDED TOOLS siegen El BSR re aio 34 Ot er Needed Material unsern ne IO I es EBD TNT 34 Remedial Diagnostic Test Software 34 Recommended Virus Detection and Cleanup Software 34 ECO FCO INFORMATION nennen enneneenvenvenvenvenneeneeneen 39 BIOS version dot ass bedeelden nn ddr de 35 UNLOCKING AND REMOVING THE COVER nanne eeneenvenvenvenvenneenvenvenvensenneenvenvenvenvenneenvenvenvenveeneeneene 35 REMOVING the cover ol alal 36 COMPUTER COMPONENTS 1 2 2022 O RR 37 EXPANSION SLOTS n Expansion Slot Types amp Locations i MAIN LOGIC BOARD JUMPERS iti 4405 seront FAMA sexs oavadonsenonsswadsarwacdenaavondanenewenaraadseadseann A RASO OSSE
57. talled device is necessary To replace the RTC perform the following 1 Record computer configuration settings using the BIOS Setup utility 2 Turn off the computer disconnect external devices ac power and monitor power 3 Unlock and remove cover 4 Carefully extract old RTC from socket 5 Install new RTC CAUTION Make sure pin 1 on RTC is correctly aligned with location on socket A Incorrect installation can cause faulty computer operation 6 Replace the cover 7 Connect external devices and restore power 8 Run BIOS Setup utility to reconfigure computer using recorded configuration settings from step 1 9 Refer to BIOS Setup Utility MCS Logistics Engineering Nijmegen 53 Service Procedures Digital STARION 9xx amp 20xx PC Figure 3 15 Replacing the Real Time Clock RTC DEC00670 4 54 MCS Logistics Engineering Nijmegen Digital STARION 9xx amp 20xx PC Service Procedures Replacing the Computer Battery To replace the lithium battery perform the following 1 2 3 4 5 6 7 8 9 Record computer configuration settings using the BIOS Setup utility Turn off the computer Disconnect external devices ac power and monitor power Remove cover Carefully lift up on retaining clip and remove old battery WARNING There is a danger of battery explosion if a Lithium battery is incorrectly replaced To prevent damage to the computer be sure the side faces up when installi
58. the lt F2 gt Setup prompt each time the computer boots Disabled Selecting Disable only disables the prompt indicating when to press lt F2 gt to enter Setup Setup can still be entered by pressing lt F2 gt before POST completes POST errors Enabled Enabling this option causes the computer to pause and display a setup entry or resume the boot prompt if an error occurs at boot Disabled If this option is disabled the computer will always attempt to boot Fl regardless of a setup entry or error loppy check Enabled Enabling this option causes the computer to verify the diskette type each time the computer boots Disabled Disabling this option speeds up the boot process Summary Enabled Enabling this option causes the computer to display configuration screen Disabled parameters in the form of a summary screen during boot 26 MCS Logistics Engineering Nijmegen Digital STARION 9xx amp 20xx PC Utilities amp Configuration Keyboard Features Numlock Auto Turns Numlock on or off each time the computer boots On Off Enables or disables the audible key click feature Enabled Keyboard 2 sec Sets the number of times a second to repeat a keystroke while the key auto repeat 6 sec is held down rate 10 sec 13 3 sec 18 5 sec 21 8 sec 26 7 sec 30 sec Keyboard 1 4 sec Sets the delay time after a key is held down before it begins to repeat auto repeat 1 2 sec a keystroke delay 3 4 sec 1 sec Advanced Options
59. ting the proper orientation 5 Disconnect power supply cables from all devices 6 Loosen two screws securing power on off switch to chassis 7 Remove screws securing power supply to chassis bracket on bottom of case one and rear panel four 8 Remove power supply and power on off switch from the chassis Figure 3 11 Removing the Power Supply MCS Logistics Engineering Nijmegen 49 Service Procedures Digital STARION 9xx amp 20xx PC Removing Riser Card amp Bracket To remove the riser card and bracket 1 2 3 4 5 6 Turn off the computer Disconnect external devices ac power and monitor power Remove cover Remove all expansion boards Remove screws securing bracket to front panel and expansion slot panel Carefully pull bracket and riser card from computer DEC00539 2 Figure 3 12 Removing Riser Card amp Bracket MCS Logistics Engineering Nijmegen Digital STARION 9x amp 20xx PC Service Procedures Installation Procedures Installing a Higher Performance CPU The Starion main logic board is equipped with a Pentium processor installed in a ZIF socket Socket 5 type and a voltage regulator that supports 3 3V dc Pentium Processors To install a higher performance CPU 1 Turn off the computer disconnect external devices ac power and monitor power 2 Unlock and remove cover 3 Lift up on lever to release old CPU 4 Remove old CPU 5 Install new CPU 6 Make s
60. tte and IDE Data Cable Connections 58 MCS Logistics Engineering Nijmegen Digital STARION 9xx amp 20xx PC Troubleshooting Chapter 4 Troubleshooting The following pages provide initial troubleshooting procedures and tables listing specific problems probable causesand recommended actions to take if the computer fails after it nas been configured or after optional hardware or software has been installed Refer to the documentation supplied with additional options when experiencing problems with specific installed options Initial Troubleshooting Follow these general procedures to troubleshoot the Starion computers Press Ctrl Alt Del If the computer fails to boot turn it off wait until all hard disk drives spin down completelyand then turn it back on Ifthe POST detects an error refer to this chapter and take the appropriate steps to correct the problem After the problem has been resolved restart the computer Run the BIOS Setup utility Make sure all necessary changes have been made to the CONFIG SYS and AUTOEXEC BAT files Make sure all necessary video printerand application device drivers are properly installed Ensure that all cables and connections are secure Run the QAPLUS fe advanced diagnostic software If these steps do not identify and or correct the problem perform the specific troubleshooting procedures appropriate to the circumstances NOTE If you need to return a failed component pa
61. up software is supplied with the computer in the event restoring the computer to the out of the box condition as configured from our factory is necessary Windows 95 backup CD included with the Windows 95 user manual and software license kit Starion System Software Restore CD Starion System Software Restore Boot diskette Remote Support diskette o Store the software in a safe place for future use when it is ever needed to re install the computer s software Also have the Remote Support diskette available when calling Digital for service support Master backup copies of other application programs and games installed on the computer are provided only on the Starion System Restore CD MCS Logistics Engineering Nijmegen 15 Utilities amp Configuration Digital STARION 9xx amp 20xx PC Restoring Factory Installed Software In the event of a hard disk failure or the software becomes corrupted restoring all or some of the factory installed software might be necessary To re load all factory installed software will be needed to use the System Software Restore CD and the System Software Restore Boot diskette supplied with the computer Individual program applications can be re installed using the Restore Factory Programs selection included in the Getting Started Service selection A Windows 95 Backup CD is also included should you choose to install the Windows 95 operating system only However when using only this restore
62. ure pin 1 on CPU is aligned with pin 1 on ZIF socket A 7 Return release lever to its original position and then set all appropriate CPU jumpers Refer to Main Logic Board Jumper Settings 8 Replace and lock cover and connect external devices and restore power Figure 3 13 Installing a Higher Performance CPU DEC00670 2 MCS Logistics Engineering Nijmegen 51 Service Procedures Digital STARION 9xx amp 20xx PC Installing Video Memory The computer comes standard with 1 MB of video memory Starion models 930 940and 2000 can be upgraded to 2 MB by installing two 512 KB video DRAM chips in the designated sockets on the main logic board To install the video memory upgrade chip 1 2 3 4 5 6 7 52 Turn off the computer Disconnect external devices ac power and monitor power Remove cover Remove upgrade chips from packaging and install in socket Make sure pin 1 on chip is aligned with pin 1 on socket A Replace cover Connect external devices and restore power DEC00670 5 Figure 3 14 Installing Video Memory MCS Logistics Engineering Nijmegen Digital STARION 9xx amp 20xx PC Service Procedures Replacing the Real Time Clock RTC Lithium Battery The Starion Minitower PC computer Comes either with a Lithium 3V wafer style battery or a Dallas RTC If the computer ever fails to retain the correct date time or configuration settings when it is turned on replacement of the ins

STARION 9xx & 20xx PC Family Service Maintenance Manual

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STARION 9xx &amp; 20xx PC Family Service Maintenance Manual

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STARION 9xx & 20xx PC Family Service Maintenance Manual