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Compaq 386 manual

Models: 386

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Display Characteristics Install Parts list Error codes Problem Isolation Flowchart Error Detection and Correction Maintenance Mass Storage Configurations Advanced Diagnostics Program Setup Program

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Compaq 386 manual

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Contents

Maintenance and Service Guide Compaq Deskpro 386 Personal ComputerPage Maintenance and Service Guide Page Connector Preface Summary of Text Page Required Tools and Supplies Additional Information Contents Setup Program Illustrated Parts Catalog Jumper Settings and Switch Settings Mass Storage Configurations Page Figures Xvi Xvii Xviii Xix Tables Xxi Page Addendum 108431-001 11-88 to Manual No Page Operating and Performance Specifications IntroductionCompaq Deskpro 386 Personal Computer System Unit 84-KEY Keyboard Compaq Enhanced KeyboardCompaq DUAL-MODE Monitor Compaq Color Monitor Compaq Video Graphics Color Monitor Maintenance and Service Guide Compaq Video Graphics Monochrome Monitor Maintenance and Service Guide 360-KBYTE 5¼-INCH Diskette Drive 10 1.2-MEGABYTE 5¼-INCH Diskette Drive 11 1.44-MEGABYTE 3½-INCH Diskette Drive 12 40-MEGABYTE Fixed Disk Drive 13 70-MEGABYTE Fixed Disk Drive 14 130-MEGABYTE Fixed Disk Drive 15 40-MEGABYTE Fixed Disk Drive Backup 16 135-MEGABYTE Fixed Disk Drive Backup Tape 17 300-/600-MEGABYTE Fixed Disk Drive Expansion Unit 18 300-MEGABYTE Fixed Disk Drive for the Expansion Unit Page Contents Page POWER-ON SELF-TEST POST/PROBLEM Isolation POWER-ON SELF-TEST PostPreliminary Steps to Problem Isolation Problem Isolation FlowchartComplete Preliminary Steps Turn AC power Switch on Did Yes Brightness See Chapter To E Did you Yes Hear other Audible error Codes beeps? Power-On Self-Test Post/Problem Isolation When to RUN Setup HOW to RUN Setup Page Setup Program When to RUN SetupHOW to RUN Setup Advanced Diagnostics Program Addendum 108431-001 11-88 to Manual No Addendum 108431-001 11-88 to Manual No Addendum 108431-001 11-88 to Manual No Advanced Diagnostics Program Preliminary StepsRun the Diagnostic Tests Main MenuRun the Setup Program Clear Configuration and Run the Setup ProgramFormat a Diskette Display ROM VersionsTest Logging Utilities Menu Advanced Diagnostics ProgramSystem Test Menu Test Selection Menu ProcessorMemory KeyboardParallel Interface VideoMatrix of Possible Video Tests CGA DMM Color Mono MDADisplay Characteristics Video Controller80 x 25 Display Character Set40 x 25 Display 320 x 200 Standard Graphics 640 x 200 Standard GraphicsLightpen Display Memory PagesGray Scale/Color NoiseEnhanced Display Characteristics 640 x 200 Color Graphics640 x 350 Color Graphics Monochrome Text 640 x 350 Monochrome GraphicsColor Mode 640 x 480 GraphicsDiskette Drive Format a Diskette for diagnostic use only Monochrome Video BoardAsynchronous Communications Interface Diskette Change LineAuto Originate Mode Auto Answer ModeModem Modem Internal LoopbackFixed Disk Drive Modem Direct ConnectWrite/Read/Compare on Test Cylinder SeekError Detection and Correction Head SelectRun All the Above Tests Read VerifyConditional Format Unconditional FormatDisplay Current Interleave Surface AnalysisChange Interleave Fixed Disk Drive Backup Tape Fixed Disk Drive Backup Fixed Disk Drive Backup MediaEnhanced Color Graphics Video Graphics ControllerPage Contents Page Missing Error Messages and Codes Power-On Self-Test Error Messages DiagnosticsAdvanced Diagnostics Error Codes Missing Missing Advanced Diagnostics Error Codes Advanced Diagnostics Error Codes Advanced Diagnostics Error Codes Advanced Diagnostics Error Codes Advanced Diagnostics Error Codes Advanced Diagnostics Error Codes Advanced Diagnostics Error Codes Advanced Diagnostics Error Codes Advanced Diagnostics Error Codes Advanced Diagnostics Error Codes Advanced Diagnostics Error Codes Advanced Diagnostics Error Codes Advanced Diagnostics Error Codes Advanced Diagnostics Error Codes Advanced Diagnostics Error Codes Advanced Diagnostics Error Codes Advanced Diagnostics Error Codes Advanced Diagnostics Error Codes Advanced Diagnostics Error Codes Advanced Diagnostics Error Codes Advanced Diagnostics Error Codes Advanced Diagnostics Error Codes Advanced Diagnostics Error Codes Advanced Diagnostics Error Codes Memory Error Codes Memory error codes in the following tables are in the format Memory Error Locations on the 32-Bit System Memory Board Addendum 108431-001 11-88 to Manual No Maintenance and Service Guide Extdisk Messages Extdisk Messages Page Contents Page Illustrated Parts Catalog Spare Parts LIST, U.S Spare Parts List, U.SSpare Parts List, U.S Spare Parts List, U.S MS-DOS Version 3.3 Reference Guide Compaq Deskpro 386 Technical Reference Guide Spare Parts List, U.S Spare Parts List, U.S Spare Parts LIST, International Spare Parts List, InternationalParts List System UnitSystem Unit Exterior and Battery System Unit System Unit Interior with Memory Options System Unit Maintenance and Service Guide Compaq Enhanced Keyboard Compaq Enhanced KeyboardMissing Missing Compaq Video Graphics Color Monitor Compaq Video Graphics Color MonitorCompaq Video Graphics Monochrome Monitor Compaq Video Graphics Monochrome Monitor300-/600-MEGABYTE Fixed Disk Drive Expansion Unit Parts List 300-/600-Megabyte Fixed Disk Drive Expansion Unit Parts for Expansion Unit Page Contents Addendum 108431-001 11-88 to Manual No Removal and Replacement Procedures Compaq Dual-Mode Monitor Installed MonitorCompaq Color Monitor Installed Compaq Video Graphics Monochrome Moni- tor Installed Keyboard Removing the KeyboardPower Fuse Removing the Fuse HolderTo replace the power fuse, follow these steps Preparing System Unit Cover and Internal Configuration Removing the System Unit Cover Maintenance and Service Guide Power Supply 11.Location of the Power Supply Assembly12.Removing the Power Supply Screws Removal and Replacement Procedures Battery 16.Location of the Battery Connector 17.Removing the Battery Security Lock 18.Removing the Security Lock Interior ViewExpansion Boards 19.Location of the Reinforcement BracketRemove the RF shield Figure Remove the cable cover Figure Maintenance and Service Guide 25.Removing an Expansion Board 11 80287 Coprocessor Memory Expansion Boards Maintenance and Service Guide Memory Chips 28.Removing the Memory Chip To replace a memory chip, follow these steps Speaker Assembly and Security Lock Switch 30.Location of the Speaker/Board Guide Assembly Maintenance and Service Guide 33.Removing the Speaker Assembly Configurations of Mass Storage Devices Mass Storage DevicesExpansions Boards 38.Removing a Mass Storage Device from Position a Power Cable Connections for Drive Positions a and D Power Cable Connections for Drive Positions B and C 40.Disconnecting Cables from Mass Storage Device B or CAddendum 108431-001 11-88 to Manual No System Board Addendum 108431-001 11-88 to Manual No Maintenance and Service Guide Addendum 108431-001 11-88 to Manual No Maintenance and Service Guide 46.Removing the System Board Intel 387 Coprocessor 47.Removing the 387 Coprocessor To replace the 387 Coprocessor, follow these steps Keyboard g .2 Monitor Run the Setup program Lost KEY 19 300-/600-MEGABYTE Fixed Disk Drive Expansion Unit Fixed Disk Drive Unit 52.Fixed Disk Drive Retaining Screws 53.Locating and Removing Terminating Resistor Power Supply 54.Power Supply Screws57.Removing Power Cables External Interface Adapter BoardJumper Positions and Switch Settings Bank 3 Enabled Bank 3 Disabled Compaq Enhanced Color Graphics Board Jumper Settings and Switch Settings System Boards System Board assy. no Switch Settings Compaq Deskpro 386 System Board Version 2 assy. no U13 Even 32-BIT System Memory Board 32-Bit System Memory Board assy. noJumper Settings for the 32-Bit System Memory Board assy. no 5- to 2-MEGABYTE 16-BIT Memory Expansion Board 5- to 2-Megabyte 16-Bit Memory Expansion Board assy. noMaintenance and Service Guide 5a.1- to 2-Megabyte 32-Bit Memory Expansion Board assy. no Bank 3 Enabled Bank 3 DisabledEsdi Fixed Disk Drive Controller Board Esdi Fixed Disk Drive Controller Board assy. no. WD1005WAHJumper Jumper Position Function Not installed Reserved Multipurpose Fixed Disk Drive Controller Boards OFF Multipurpose Fixed Disk Drive Controller Board assy. no Maintenance and Service Guide Fixed Disk Drive Controller Board 10.Fixed Disk Drive Controller Board assy. no. WD1002WAHMaintenance and Service Guide Host Adapter Board 11.Host Adapter Board assy. no13. Switch Settings for the Host Adapter Board Compaq Enhanced Color Graphics Board 12.COMPAQ Enhanced Color Graphics Boards assy. noMaintenance and Service Guide Configuration Switch Bank SW1 Maintenance and Service Guide Configuration Switch Bank SW2 16 SW2 Settings for the Compaq Enhanced Color Graphics BoardConfiguration Switch Bank SW3 Video Display Controller Boards Maintenance and Service Guide Jumper Settings and Switch Settings Compaq Video Graphics Controller Board Asynchronous COMMUNICATIONS/PARALLEL Printer Board Maintenance and Service Guide Disable = OFF Maintenance and Service Guide 14 300-/600-MEGABYTE Fixed Disk Drive Expansion Unit 22.ESDI External Fixed Disk Drive Controller Board Page Theory of Operation System Configuration Page Mass Storage Configuration Theory of OperationSystem Configuration Maximum StorageSystem Configured for 1.2 Gigabytes Mirroring Duplexing Setting UP the External Fixed Disk Drive Expansion Unit Fdisk UtilityFormat Command Novell Netware ConfigurationDo not use Cpqdsk or Nvcpqdsk for non- dedicated servers Maintenance and Service Guide COMPSURF.OBJ Abend Not enough memory for disk FAT tables From the a prompt, enter the following commands Appendix a Fixed Disk Drive see also Mass Storage Devices Tape Adapter Board see Host Adapter Board See Test Selection Menu Maintenance and Service Guide 6Appendix A, Index Maintenance and Service Guide