Digital Equipment STARION 20 Series Service Maintenance Manual Download Page 62

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Troubleshooting

Digital STARION 9xx & 20xx PC

MCS Logistics Engineering - Nijmegen

Keyboard
controller error
Keyboard error
Keyboard
locked - Unlock
key switch

Keyboard and/or keyboard
controller failed.

Check the keyboard connection. If the connection
is secure, the keyboard or keyboard controller
might have failed. If the problem persists, replace
the defective keyboard and/or controller.

Summary of Contents for STARION 20 Series

Page 2: ...e 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 Copy...

Page 3: ...eating a Crisis Recovery Diskette 18 Using a Crisis Recovery Diskette 19 Upgrading the Computer s BIOS 19 Configuring the Boot Block Jumper 20 UTILITIES AND VIDEO DRIVERS 20 Setting High Resolution Mo...

Page 4: ...AL AND REPLACEMENT 44 Removing the 3 Inch Diskette Drive 44 Removing a 5 Inch Device 45 Removing the IDE Hard Disk Drive 46 Removing Expansion Boards 47 Removing the Main Logic Board 48 Removing the P...

Page 5: ...g the Cover 36 Figure 3 2 Computer Components 37 Figure 3 3 Expansion Slots 39 Figure 3 4 Main Logic Board Jumper Locations 41 Figure 3 5 SIMM Socket Locations 43 Figure 3 6 Removing the 3 Inch Disket...

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Page 7: ...istory MCS Logistics Engineering Nijmegen 7 S T A R I O N 9 x x 2 0 x x Revision History Revision Date Description of change A01 Janary 1996 First release of the Service Manintenance Manual describing...

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Page 9: ...ay 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 rep...

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Page 11: ...itower computers in their 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 P...

Page 12: ...Subwoofer Only on the Starion 2001 Product Models Information Starion Models Product Model CPU HDD RAM Starion 910 FR 901AA A7 75 MHz Pentium 850 MB 8 MB Starion 915 FR 902AA A6 75 MHz Pentium 850 MB...

Page 13: ...d Starion 915 FR 902AA A6 S3 Trio 32 None 4X Speed Starion 917 None Starion 919 FR 901AA A9 None Starion 920 FR 902AA A6 S3 Trio 32 None 4X Speed Starion 930 FR 902AA A7 64 bits 256KB 4X Speed Starion...

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Page 15: ...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...

Page 16: ...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 d...

Page 17: ...tarion 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 rele...

Page 18: ...well Refer to the README file on the diskette for additional information 3 Create an upgrade directory on the hard disk drive For example if the hard disk drive is c enter at the DOS prompt C MD UPGRA...

Page 19: ...over 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...

Page 20: ...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 Window...

Page 21: ...xpansion 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...

Page 22: ...ions 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 enab...

Page 23: ...me Sets the video controller type System memory Not user selectable Displays the amount of base conventional memory each time the computer boots Extended memory Not user selectable Displays the amount...

Page 24: ...ed Disabled When enabled the read ahead buffer in the local bus IDE controller increases HDD performance Enabled is selected automatically if 32 Bit I O is enabled Memory and Cache Menu Fields Setting...

Page 25: ...Memory for a copy 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 appro...

Page 26: ...a conventional operating system Select Non compatibility for extended memory above 64 MB under Windows NT v3 1 Boot Options Menu Fields Settings Comments Boot sequence A only A then C C then A C only...

Page 27: ...gins to repeat a keystroke Advanced Options Menu Fields Settings Comments Large disk access mode DOS Other Select DOS if MS DOS is installed Select Other if another operating system is installed A lar...

Page 28: ...3E8 IRQ4 2E8 IRQ3 Enables or disables onboard serial port 1 at the specified address Select Auto unless interrupts IRQ4 and or IRQ3 are allocated as a computer resource Two devices cannot share the s...

Page 29: ...alette 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 Aut...

Page 30: ...er to enter a custom sign on banner that displays during POST For example the user might enter Welcome to John s machine The maximum number of characters is 50 Diskette access Supervisor User Controls...

Page 31: ...activity quickly returns the computer to operation Disabling this option prevents this feature from operating Power management must be enabled to use this option System suspend timer Disabled 1 hour...

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Page 33: ...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 i...

Page 34: ...plier 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 Reco...

Page 35: ...T 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 o...

Page 36: ...ver 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...

Page 37: ...omputer Components Legend Component A Power supply B Main logic board C 3 inch diskette drive D CD ROM drive E Front drive bays F Internal drive bay G Riser card supports up to five expansion cards 2...

Page 38: ...anually set jumpers on the board based on the computer resources already allocated Expansion Slot Types Locations Expansion Slot Type Description J1 ISA Supports half length industry standard 16 bit I...

Page 39: ...Digital STARION 9xx 20xx PC Service Procedures MCS Logistics Engineering Nijmegen 39 S T A R I O N 9 x x 2 0 x x Figure 3 3 Expansion Slots DEC00671 2 J6 J5 J2 J4 J3 J1...

Page 40: ...ystem 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 Feat...

Page 41: ...xx 20xx PC Service Procedures MCS Logistics Engineering Nijmegen 41 S T A R I O N 9 x x 2 0 x x Main Logic Board Jumper Locations D DEC00669 4 J27 J21 J22 J11 J10 1 2 3 J32 Figure 3 4 Main Logic Board...

Page 42: ...be sure to Install a 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 c...

Page 43: ...Digital STARION 9xx 20xx PC Service Procedures MCS Logistics Engineering Nijmegen 43 S T A R I O N 9 x x 2 0 x x Starion SIMM Sockets Locations DEC00669 3 J23 J24 Figure 3 5 SIMM Socket Locations...

Page 44: ...e 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 driv...

Page 45: ...emove a 5 inch device 1 Turn off the computer 2 Disconnect external devices ac powerand monitor power 3 Remove cover 4 Remove four screws securing the device to device bay 5 Disconnect power and data...

Page 46: ...er and monitor power 3 Remove cover 4 Remove metal filler plate 5 Remove four screws securing hard disk drive to device bay 6 Disconnect power and ribbon cables 7 Slide drive toward rear of computer t...

Page 47: ...A R I O N 9 x x 2 0 x x Removing Expansion Boards To remove an expansion board 1 Turn off the computer 2 Disconnect external devices ac power and monitor power 3 Unlock and remove cover 4 Remove screw...

Page 48: ...s 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 Power Connectors...

Page 49: ...and monitor power 3 Remove cover 4 Disconnect power supply cabling from main logic board noting the proper orientation 5 Disconnect power supply cables from all devices 6 Loosen two screws securing po...

Page 50: ...riser card and bracket 1 Turn off the computer 2 Disconnect external devices ac power and monitor power 3 Remove cover 4 Remove all expansion boards 5 Remove screws securing bracket to front panel and...

Page 51: ...s 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...

Page 52: ...KB video DRAM chips in the designated sockets on the main logic board To install the video memory upgrade chip 1 Turn off the computer 2 Disconnect external devices ac power and monitor power 3 Remov...

Page 53: ...essary 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 U...

Page 54: ...Service Procedures Digital STARION 9xx 20xx PC 54 MCS Logistics Engineering Nijmegen Figure 3 15 Replacing the Real Time Clock RTC D EC0 06 70 4 A...

Page 55: ...f a Lithium battery is incorrectly replaced To prevent damage to the computer be sure the side faces up when installing a new battery Also be sure to replace the battery with either a Digital P N 12 4...

Page 56: ...Service Procedures Digital STARION 9xx 20xx PC 56 MCS Logistics Engineering Nijmegen Figure 3 16 Replacing the Computer Battery DEC00670 6...

Page 57: ...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...

Page 58: ...wer supply B Power connection C Diskette drive connection D IDE drive connection E Main logic board diskette drive connection F Primary IDE interface for hard disk drive G Secondary IDE interface for...

Page 59: ...ll hard disk drives spin down completelyand then turn it back on If the POST detects an error refer to this chapter and take the appropriate steps to correct the problem After the problem has been res...

Page 60: ...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...

Page 61: ...lem persists replace the defective diskette drive and or drive cable Extended RAM Failed at offset nnnn Extended memory failed or configured incorrectly Make sure SIMMs are installed correctly see Ins...

Page 62: ...ontroller error Keyboard error Keyboard locked Unlock key switch Keyboard and or keyboard controller failed Check the keyboard connection If the connection is secure the keyboard or keyboard controlle...

Page 63: ...original values If the problem persists replace the defective cache memory System CMOS checksum bad run SETUP Battery real time clock failed Correct the address conflict using the BIOS Setup utility I...

Page 64: ...Troubleshooting Digital STARION 9xx 20xx PC 64 MCS Logistics Engineering Nijmegen nnnn Shadow RAM passed Where nnnn is the amount of shadow RAM in kilobytes that tested successfully...

Page 65: ...ideo BIOS was successfully copied to shadow RAM Computer Troubleshooting Problem Possible Cause Action No response when the computer is turned on Main logic board failure Main logic board jumpers inco...

Page 66: ...oard installed incorrectly Did not run ICU to configure expansion board before installation Expansion board has failed Remove expansion board and reinstall Run the ICU to properly configure expansion...

Page 67: ...MMs and reinstall Rerun BIOS Setup utility Rerun BIOS Setup utility and save changes Remove SIMMs and reinstall Make sure bank 0 is filled with the correct SIMM size speedand type Replace SIMMs Comput...

Page 68: ...o the wrong IDE connector There might be a boot sector virus Hard disk boot sector is missing Install the appropriate operating system Format the IDE hard disk drive or partition the IDE hard disk dri...

Page 69: ...stem 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 ID...

Page 70: ...orrect disk drive jumper settings Loose or incorrectly installed cables IDE drive type incorrect Onboard IDE interface disabled IDE SCSI hard disk drive is not correctly formatted or partitioned Refer...

Page 71: ...type Refer to appropriate video driver documentation Distorted rolling or flickering screen display or wrong uneven color Monitor incorrectly adjusted Monitor signal cable incorrectly installed Adjus...

Page 72: ...roperly installed Cables improperly connected or not fully connected Check IRQ I O address and DMA settings Change settings as required Reinstall device drivers Check cable connections for proper loca...

Page 73: ...ard drives failed Run Setup Check connections Reset controller Replace controller Replace disk Floppy diskette Media Mismatch Drive Not Ready Write Protected Media Unformatted Media Use known good dis...

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Page 75: ...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 car...

Page 76: ...processor 170 177 Secondary IDE controller 1F0 1F7 Primary IDE controller 220 240 Diamond SoundBlaster emulation 278 27A LPT2 300 320 330 340 Diamond MPU 401 emulation optional 530 604 E80 F40 Diamond...

Page 77: ...und system IRQ6 Diskette floppy disk drive if enabled IRQ7 LPT1 LPT3 if enabled IRQ8 Real time clock RTC IRQ9 Wavetable MIDI port IRQ10 Available IRQ11 Available IRQ12 Mouse interrupt if enabled IRQ13...

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Page 79: ...ts 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...

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Page 81: ...ARION 9xx 20xx PC Service Notes MCS Logistics Engineering Nijmegen 81 S T A R I O N 9 x x 2 0 x x Appendix A Services Notes This appendix contains the current Service Notes for the Starion 9xx 20xx pr...

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Page 83: ...ine 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...

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Page 85: ...e 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 MC...

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Page 87: ...Personal Notes...

Page 88: ...Personal Notes...

Page 89: ...Personal Notes...

Page 90: ...Personal Notes...

Page 91: ...Commitments submitted on this form are used at Digital s direction Did you find errors in this manual If so specify by page What is your general reaction to this manual format completeness organisati...

Page 92: ...Name Title Company Dept Address City State Country...

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