Summary of Contents for Digital Equipment STARION 20 Series
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Service Maintenance Manual STARION 9xx & 20xx PC Family EK-A0853-SV. A01 Copyright Digital Equipment Corporation All rights reserved...
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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.
Digital STARION 9xx & 20xx PC Table of Contents Table of Contents REVISION HISTORY ..........................7 PREFACE ..............................9 CHAPTER 1 PRODUCT DESCRIPTION.................... 11 ..........................11 RODUCT NTRODUCTION ........................ 12 RODUCT ODELS NFORMATION CHAPTER 2 SERVER UTILITIES & CONFIGURATION............... 15 ............................
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Table of Contents Digital STARION 9xx & 20xx PC CHAPTER 3 SERVICE PROCEDURES ....................33 ..........................33 AFETY EQUIREMENTS ..........................34 ECOMMENDED OOLS Other Needed Materials ..........................34 Remedial Diagnostic Test Software......................34 Recommended Virus Detection and Cleanup Software ................34 ECO/FCO I ..........................35 NFORMATION BIOS version information ........................35 .....................35 NLOCKING AND...
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Digital STARION 9xx & 20xx PC Table of contents / Table of Figures CHAPTER 5 DEVICE MAPPING ......................75 CPU Memory Address Map (Full Range)....................75 I/O Address Map............................. 76 Computer Interrupt Levels ........................77 DMA Channel Assignment........................77 CHAPTER 6 PASS / FAIL CRITERIA....................71 APPENDIX A SERVICES NOTES......................
Digital STARION 9xx & 20xx PC Revision History Revision History Revision Date Description of change Janary 1996 First release of the Service Manintenance Manual describing the STARION 9xx & 20xx series computer MCS Logistics Engineering - Nijmegen...
Starion 9xx & 20xx line of PC’s. Digital Equipment Corporation reserves the right to make changes to the Digital Starion 9xx & 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.
Digital STARION 9xx & 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 class. ♦...
Digital STARION 9xx & 20xx PC Utilities & Configuration Chapter 2 Server Utilities & 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.
Utilities & Configuration Digital STARION 9xx & 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.
Digital STARION 9xx & 20xx PC Utilities & 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”...
Utilities & Configuration Digital STARION 9xx & 20xx PC Creating a Crisis Recovery Diskette 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.
Digital STARION 9xx & 20xx PC Utilities & 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: ♦...
Utilities & Configuration Digital STARION 9xx & 20xx PC Configuring the Boot Block Jumper Perform the following steps to configure the boot block jumper (J32). Turn off power to the computer. Disconnect external devices and power. Unlock and remove the cover. Change the jumper setting of J32 from position 1 - 2 to position 2 - 3.
Digital STARION 9xx & 20xx PC Utilities & Configuration Configuring Audio In most cases, the 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.
Utilities & Configuration Digital STARION 9xx & 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.
Digital STARION 9xx & 20xx PC Utilities & 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.
Utilities & Configuration Digital STARION 9xx & 20xx PC Hard Disk Options (IDE Adapter 0/1 Master/Slave) (continued) Menu Fields Settings Comments Multi-sector 2 sectors Determines the number of sectors per block for multiple sector transfers 4 sectors transfers. 8 sectors 16 sectors Auto Disabled...
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Digital STARION 9xx & 20xx PC Utilities & Configuration Video BIOS Enabled The main logic board reserves an area of DRAM, called "shadow shadow Disabled Memory", for a copy of video BIOS ROM. This DRAM is write- protected and has the same addresses as the video BIOS ROM locations.
Utilities & Configuration Digital STARION 9xx & 20xx PC Memory and Cache (continued) Menu Fields Settings Comments 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.
Digital STARION 9xx & 20xx PC Utilities & Configuration Keyboard Features Menu Fields Settings Comments Auto Turns Numlock on or off each time the computer boots. Numlock Key click Disabled 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...
Utilities & Configuration Digital STARION 9xx & 20xx PC Integrated Peripherals Menu Fields Settings Comments Disabled Enables or disables the mouse port. Mouse port Enabled Parallel port Auto Enables or disables the onboard port at the specified address. Disabled 3BC, IRQ 7 378, IRQ 7 278, IRQ 5 Parallel port...
Digital STARION 9xx & 20xx PC Utilities & 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 specific operating problems or errors. Menu Fields Settings Comments PCI Slot 1...
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Utilities & Configuration Digital STARION 9xx & 20xx PC Security Options (continued) Menu Fields Settings Comments Set user Press [Enter] Allows a user password to be set. This password can be set only if a password 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.
Digital STARION 9xx & 20xx PC Utilities & Configuration Power Options Menu Fields Settings Comments Enabled Enable this field to use any of the power management options. If this Power Disabled field is enabled and the other fields are disabled, only minimal power management reduction is affected.
Digital STARION 9xx & 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 insure product and personal safety and prevent damage to circuit boards and/or components.
Service Procedures Digital STARION 9xx & 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.
Digital STARION 9xx & 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:...
Service Procedures Digital STARION 9xx & 20xx PC Removing the cover The computer's cover must be removed prior to install any hardware option. To remove the cover: Loosen and remove three screws along perimeter of rear panel to release cover from chassis. Carefully slide cover toward front of chassis until it clears rear panel.
Digital STARION 9xx & 20xx PC Service Procedures Computer Components Legend Component Power supply Main logic board 3½-inch diskette drive CD-ROM drive Front drive bays Internal drive bay Riser card; supports up to five expansion cards: 2 PCI and 3 ISA or 4 ISA and 1 PCI FAX/Modem/Sound card D E C 0 0 6 6 6- 2 Figure 3 - 2 Computer Components...
Service Procedures Digital STARION 9xx & 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.
Service Procedures Digital STARION 9xx & 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.
Service Procedures Digital STARION 9xx & 20xx PC Computer Memory Configurations 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.
Service Procedures Digital STARION 9xx & 20xx PC Part Removal and Replacement Removing the 3½-Inch Diskette Drive To remove the 3½-inch diskette drive: Turn off the computer. Disconnect external devices, ac power and monitor power. Remove cover. Remove two screws securing the diskette drive to front panel. Disconnect power cable.
Digital STARION 9xx & 20xx PC Service Procedures Removing a 5¼-Inch Device To remove a 5¼-inch device: 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”.
Service Procedures Digital STARION 9xx & 20xx PC Removing the IDE Hard Disk Drive To remove the IDE hard disk drive: 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.
Digital STARION 9xx & 20xx PC Service Procedures Removing Expansion Boards To remove an expansion board: 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 Digital STARION 9xx & 20xx PC Removing the Main Logic Board To remove the main logic board: Turn off the computer. Disconnect external devices, ac power and monitor power. Unlock and remove cover. Remove all connectors. Remove all expansion boards. Remove the riser card and bracket.
Digital STARION 9xx & 20xx PC Service Procedures Removing the Power Supply To remove the power supply: Turn off the computer. Disconnect external devices, ac power and monitor power. Remove cover. Disconnect power supply cabling from main logic board noting the proper orientation. Disconnect power supply cables from all devices.
Service Procedures Digital STARION 9xx & 20xx PC Removing Riser Card & Bracket To remove the riser card and bracket: 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.
Digital STARION 9xx & 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: Turn off the computer, disconnect external devices, ac power and monitor power.
Service Procedures Digital STARION 9xx & 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.
Digital STARION 9xx & 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 installed device is necessary.
Service Procedures Digital STARION 9xx & 20xx PC Figure 3 - 15 Replacing the Real-Time Clock (RTC) D E C 0 0 6 7 0 - 4 MCS Logistics Engineering - Nijmegen...
Digital STARION 9xx & 20xx PC Service Procedures Replacing the Computer Battery To replace the lithium battery, perform the following: Record computer configuration settings using the BIOS Setup utility. Turn off the computer. Disconnect external devices, ac power and monitor power. Remove cover.
Digital STARION 9xx & 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 3½-inch diskette drive. ♦ The second device bay contains a factory-installed CD-ROM drive. ♦...
Service Procedures Digital STARION 9xx & 20xx PC Diskette and IDE Data Cable Connections Legend Component Power supply Power connection Diskette drive connection IDE drive connection Main logic board diskette drive connection Primary IDE interface for hard disk drive Secondary IDE interface for CD-ROM CD ROM drive connection Audio cable from CD-ROM to sound card Figure 3 - 14 Diskette and IDE Data Cable Connections...
Digital STARION 9xx & 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.
Troubleshooting Digital STARION 9xx & 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 ).
Digital STARION 9xx & 20xx PC Troubleshooting 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.
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Troubleshooting Digital STARION 9xx & 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. If the problem persists, replace Keyboard the defective keyboard and/or controller.
Digital STARION 9xx & 20xx PC Troubleshooting POST and Boot Error Messages (continued) Message Problem Solution Monitor type Monitor type has been Run the BIOS Setup utility and set the correct does not match incorrectly specified. monitor type. CMOS - Run SETUP Operating The operating system cannot be...
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Troubleshooting Digital STARION 9xx & 20xx PC nnnn Shadow RAM passed Where nnnn is the amount of shadow RAM (in kilobytes) that tested successfully. MCS Logistics Engineering - Nijmegen...
Digital STARION 9xx & 20xx PC Troubleshooting POST and Boot Informational Messages (continued) Message Description 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.
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Troubleshooting Digital STARION 9xx & 20xx PC Computer Expansion board installed Remove expansion board and reinstall. operates incorrectly. incorrectly after installing Did not run ICU to configure Run the ICU to properly configure expansion optional expansion board before board and then reboot the computer. Refer to the expansion installation.
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Digital STARION 9xx & 20xx PC Troubleshooting Computer Troubleshooting (continued) Problem Possible Cause Action 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.
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Troubleshooting Digital STARION 9xx & 20xx PC Computer Troubleshooting (continued) Problem Possible Cause Action 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...
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Digital STARION 9xx & 20xx PC Troubleshooting Computer Troubleshooting (continued) Problem Possible Cause Action Computer does SCSI device jumpers incorrectly Refer to the supplied SCSI device kit installation not recognize an set. instructions. internal or external SCSI SCSI cable not terminated. Terminate each end of the SCSI bus.
Troubleshooting Digital STARION 9xx & 20xx PC Computer Troubleshooting (continued) Problem Possible Cause Action No response to Mouse is password protected. Enter the keyboard and mouse password. mouse commands Mouse is connected to the Power down the computer and connect the mouse keyboard port.
Digital STARION 9xx & 20xx PC Troubleshooting Monitor Troubleshooting Problem Possible Cause Action Monitor power Monitor is turned off. Turn on the monitor. indicator is not No power at wall outlet. Use another outlet. Power indicator is defective. Replace the failed component. No screen Configuration error.
Troubleshooting Digital STARION 9xx & 20xx PC CD-ROM Troubleshooting Problem Possible Cause Action 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.
Digital STARION 9xx & 20xx PC Troubleshooting QAPlus/FE Error Messages Component Messages Solution Arithmetic Function Failed. Reset CPU. General Functions Failed. Replace CPU. Exception Interrupt in Protected Mode. Refresh Failure. Logic Functions Failed. Hard disk Butterfly Cylinder Access Test Failed. Low-level format hard disk.
Digital STARION 9xx & 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 (keyboard controller, interrupt controller, DMA controller, etc.).
Digital STARION 9xx & 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: Successful completion of the POST tests. Successful completion of the following QAPLUS/fe module tests (one pass): ♦...
Digital STARION 9xx & 20xx PC Service Notes Appendix A Services Notes This appendix contains the current Service Notes for the Starion 9xx & 20xx product line. MCS Logistics Engineering - Nijmegen...
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.
READERS COMMENTS Digital STARION 9xx & 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..................................
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