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Compaq 4160T Bottom Components, DualBay 2 Pointing device 3 Memory compartment 4 Expansion slot

Models: 4130T 4200 4115 4150 4131T 4125T 4160T 4140T 4150T 4110D 4120T 4160T SLIMLINE 4120 4125D

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1.5.4Bottom Components

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1.5.4Bottom Components

The bottom external components are shown in the following figure and are identified in this section:

1DualBay

2Pointing device

3Memory compartment

4Expansion slot

5Hard drive compartment

Figure 1-5. Bottom Components

Product Description 1-13

Image 21

Compaq 4160T Bottom Components, DualBay 2 Pointing device 3 Memory compartment 4 Expansion slot, Hard drive compartment

Contents

Maintenance and Service Guide Compaq Armada 4100 and 4200 Families of Personal ComputersCompaq Computer Corporation Contents ChapterProduct Description Illustrated Parts Removal and Replacement PreliminariesChapter ChapterChapter Specifications Chapter Removal and Replacement Procedures5.3.4 DualBay Battery Pack and Devices 5.5.3 Lithium Real Time Clock BatteryAppendix B Appendix ABattery Packs External Power SuppliesPreface SymbolsTechnician Notes PrefaceCDRH Regulations Laser SafetyQuick Setup Reference Guide Introducing Microsoft Windows Locating Additional InformationCompaq Service Quick Reference Guide Compaq Service Advisories and Bulletins Compaq QuickFind1.1 Computer Features and Models Product DescriptionChapter 4200 Family of Personal Computers 1.2 ModelsCompaq Armada 4100 Family of Personal Computers 1.3 Standard Features1-4 Product Description 1.3.2 Security Features 1.3.3 Power Management1.3.1 Software Fulfillment 1.4.1 System Memory Options 1.4 Options1.4.3 Secondary Cache 1.4.2 Display Options1.4.4 Mobile CD Expansion Unit 1.4.5 Convenience Base1.4.10 External Battery Charger 1.4.9 Lithium Ion Battery Pack1.4.7 AC Adapter 1.4.8 Automobile Adapter1.4.14 Trackball Pointing Device 1.4.13 Compaq MouseP50 Color P70 Color P110 Color P1610 Color TFT500 Flat Panel The computer supports a PS/2 mouse or other external pointing device1.5.1 Front and Left Side Components 1.5 External Computer Components1.5.2 Front and Right Side Components 5 AC power connector 6 User programmable keys1 Pointing device 2 DualBay module 3 Speaker 4 DualBay eject button Figure 1-4. Rear Components 1.5.3 Rear Components1.5.4 Bottom Components 1 DualBay 2 Pointing device 3 Memory compartment 4 Expansion slot5 Hard drive compartment 1 Power/Suspend 2 Battery charge 3 Caps Lock 4 Scroll Lock 5 Num Lock 1.5.5 Status Panel Lights1 Stereo speakers 2 CD-ROM drive 1.6 Mobile CD Expansion Unit Components4 Convenience Base expansion connector 5 Computer expansion connector 1 Battery bay 2 MIDI/game device 3 AC adapter connector6 Unlocking lever 7 Expansion posts Figure 1-8. Right and Rear Components1.7 Convenience Base Connectors 1.8 Design Overview - Computer 1.8.1 System Unit1.8.2 System Board 1.8.4 Processor 1.8.3 Processor Board1.8.5 System Memory 1.8.6 Cache1.8.7 Local Bus Video Chapter Troubleshooting2.1 Preliminary Steps 2.2 Clearing the Power-On and Setup Passwords 2.4 POST Error Messages 2.3 Power-On Self Test POSTWarning Messages MessageDescription Fatal Error Beep Codes Fatal Error Messagespage registers starting at location 80 Hex failed bit 4 Refresh Detect failed to toggle within an2.5 Compaq Utilities 2.5.1 Running Computer Setup2-8 Troubleshooting 2.5.2 Running Computer Checkup TESTComputer Checkup 2.5.3 View System Information INSPECT Computer Checkup TEST Error CodesProcessor Test Error Codes 2.6 Diagnostic Error CodesMemory Test Error Codes Keyboard Test Error CodesParallel Printer Test Error Codes 2.Check and/or replace the diskette power and signal Diskette Drive TestHard drive conditional format test failed Video Test Error Codes The following apply to error codes 501-xx throughThe following steps apply to error codes The following applies to error codes 2458-xx through 320 × 200 graphics 256 color mode testECG/VGC monochrome graphics mode test CD-ROM Test Error Codes Pointing Device Interface Test Error CodesError Error2.7.1 Solving Minor Problems 2.7 Troubleshooting Without DiagnosticsSolving Audio Problems Solving Audio ProblemsSolving Battery and Battery Gauge Problems Solving Battery and Battery Gauge ProblemsRecharge the battery pack Battery charge does not lastRecharge the battery. Discharge the battery Set a power management level in ComputerSolving Diskette and Diskette Drive Problems Solving Diskette and Diskette Drive ProblemsSolving CD-ROM Drive Problems Solving Hard Drive ProblemsSolving Hard Drive Problems Solving CD-ROM Drive ProblemsSolving Infrared Connection Problems Solving Hardware Installation ProblemsSolving Hardware Installation Problems Solving Infrared Connection ProblemsSolving Pointing Device Problems Solving Keyboard/Numeric Keypad ProblemsSolving Keyboard/Numeric Keypad Problems Solving Pointing Device ProblemsSolving Memory Problems Solving Memory Problemserror occurs during operation the computer, or is defectiveSolving PC Card Problems Solving PC Card ProblemsSolutions ProblemTable 2-25 Continued Probable CauseSolving Power Problems Solving Power ProblemsSolving Printer Problems Solving Screen ProblemsSolving Printer Problems Solving Screen Problems Solving Software Application Problems Solving Software Application ProblemsDisplay Problems and Solutions Solving Convenience Base ProblemsDocking Problems and Solutions Undocking Problems and SolutionsExternal Device Installation Problems and Solutions Keyboard Problems and SolutionsMouse Problems and Solutions Solving Ethernet Network Problems Solving Network Problemsconnected to the network connector on the EthernetIllustrated Parts ChapterIllustrated Parts Figure 3-1. System Unit 3.1 System UnitCPU cover Latin American Spanish System Unit258626-001 Illustrated Parts Figure 3-2. System Unit continuedFigure 3-3. Mass Storage Devices 3.2 Mass Storage DevicesMass Storage Devices Figure 3-4. Cables 3.3 Cables and Power CordsAC Power cord Australia/New Zealand Cables and Power CordsFigure 3-5. Standard and Optional Boards 3.4 Standard and Optional BoardsProcessor board, 100-MHz CPU with L2 Standard and Optional BoardsProcessor board, 120-MHz CPU with L2 Processor board, 133-MHz CPU with L2Figure 3-6. Display Assembly 3.5 Display Assembly10.4-inch CSTN display assembly Display Assembly11.3-inch CSTN display assembly 11.8-inch CTFT display assemblyFigure 3-7. Options 3.6 OptionsOptions DescriptionSpares Part Number Figure 3-8. Miscellaneous Parts 3.8 Miscellaneous PartsMiscellaneous Parts Tool kit includes connector removal toolScrew kit For 5 units. See table 3-8 for Miscellaneous Screw Kit Contents and Use 3.8 Shipping BoxesShipping Boxes Armada 4100 Family Quick Setup poster 3.9 DocumentationArmada 4200 Family Quick Setup poster DocumentationIllustrated Parts Chapter4.1 Electrostatic Discharge Removal and Replacement Preliminaries4.1.1 Generating Static Typical Electrostatic Voltages4.1.2 Preventing Electrostatic Damage to Equipment 4.1.3 Removing Batteries4-2 Removal and Replacement Preliminaries 4.1.5 Grounding Methods 4.1.4 Preventing Damage to Drives4.1.7 Grounding Equipment 4.1.6 Grounding Workstations4.1.8 Recommended Materials and Equipment 4.2.2 Cables and Connectors 4.2 Service Considerations4.3 Serial Number 4.2.1 Tool RequirementsRemoval and Replacement Procedures 5.1 Serial NumberChapter Figure 5-2. Computer Disassembly Chart 5.2 Disassembly Sequence Chart5.3 Preparing the Computer for Disassembly 5.3.1 Disconnecting the AC Power and External Diskette Drive Bay Convenience Base 5.3.2 Undocking the Computer6. Grasp the MCD and the convenience base, then pull apart Figure 5-4. Disconnecting the Convenience Base from the AdapterRemoval and Replacement Procedures Reverse the above procedure to dock the convenience base and the MCDFigure 5-6. Undocking the Computer from the Adapter Base Convenience Adapter BaseMobile CD Expansion Unit Figure 5-8. Detaching the Computer from the MCD 2. Turn the computer and MCD over, top side upRemoval and Replacement Procedures Reverse the above procedures to attach the computer to the MCD4. Close the expansion slot cover on the bottom of the computer Figure 5-9. Closing the Expansion Slot Cover5.3.3 Battery Packs Removal and Replacement Procedures Figure 5-11. Inserting a Battery Pack into the Handle5.3.4 DualBay Battery Pack and Devices To install the DualBay device, complete the following steps Figure 5-14. Removing the Pointing Device Touchpad 5.3.4 Pointing DevicesTo install the pointing device, complete the following steps Figure 5-16. Removing the Hard Drive 5.3.5 Hard Drive5.3.6 PC Card 5.4.1 Computer Logo 5.4 External Computer Components5.4.2 Computer Feet 5.4.3 Handle 4. Tighten the thumbscrews on the handle by turning them clockwise To remove the handle from the computer, follow these steps Removal and Replacement Procedures 4. Lift the handle and removeFigure 5-23. Removing the Handle 5.5 CPU Base Assembly „ Lithium real time clock battery„ Memory cover „ Memory boards „ CPU base „ Processor board Figure 5-24. Removing the Memory Cover 5.5.1 Memory CoverFigure 5-25. Removing the Memory Board 5.5.2 Memory Boards3. Pull the memory board out of the slot 5.5.3 Lithium Real Time Clock Battery Figure 5-28. Removing the Four Screws from the CPU Base 5.5.4 CPU Base Cover8. Lift up the base cover slightly 2 to clear the frame 5-32 Removal and Replacement Procedures10. Lift the base cover 2 from the magnesium frame Figure 5-31. Removing the Processor Board 5.5.5 Processor Shield and BoardFigure 5-32 Removing the Screws from the Bottom of the CPU 5.5.6 CPU Cover and Keyboard AssemblyFigure 5-33. Removing the Screws Near the Memory Compartment Opening 5-36 Removal and Replacement ProceduresFigure 5-34. Removing the CPU Cover and Keyboard Assembly 2. Screw 2 must be tightened next to firm up the keyboard location Figure 5-39. Disconnecting the Ground Cable from the Magnesium Frame 5.6 Display AssemblyCAUTION Do not pull on the flat cable as it is easily damaged 5-40 Removal and Replacement Procedures8. Remove the four clutch screws at the back of the display assembly To install the display assembly, complete the following procedures 5.7.1 Clutch Cover 5.7 Clutch Assembly ComponentsReverse the procedure to install the clutch cover Figure 5-44. Removing the Clutches 5.7.2 Clutches5.8.1 System Board 5.8 System Board ComponentsRemoval and Replacement Procedures Figure 5-45. Removing the Expansion Connector NutsFigure 5-46. Removing the Screws from the System Board 5-48 Removal and Replacement ProceduresFigure 5-47. Removing the Screwlocks from the System Board To replace the system board, complete the following procedures 5.8.3 Heatsink and Video Chip Heatpipe 5.8.2 Ensuring ESD ProtectionTo install the heatsink, reverse the procedures 14. Remove the screw that secures the heatsink to the system board15. Slide the heatsink out and away from the system board To install the video chip heatpipe 5.9.1 Upper PCMCIA Door 5.9 Frame ComponentsFigure 5-51. Removing the Upper PCMCIA Door Removal and Replacement ProceduresFigure 5-52. Replacing the Upper PCMCIA Door and Spring 5-56 Removal and Replacement Procedures5.9.2 Lower PCMCIA Door 5-58 Removal and Replacement Procedures Figure 5-54. Replacing the lower PCMCIA Door and Spring Removal and Replacement Procedures5-60 Removal and Replacement Procedures 5.9.3 DualBay Eject Assembly13. Lift the eject button 1 out of the magnesium frame 5-62 Removal and Replacement Procedures 5.9.5 PCMCIA AssemblyFigure 5-56. Removing the PCMCIA Retaining Screws Removal and Replacement ProceduresFigure 5-57. Removing the PCMCIA Assembly from the System Board To reinstall the PCMCIA assembly, reverse the procedure5.9.6 PCMCIA Ejector Buttons To install the PCMCIA ejector buttons, reverse the procedure 5.9.7 Display Ground Bracket To install the display ground bracket, reverse the procedure 13. Unclip the display ground bracket from the magnesium frameFigure 5-59. Removing the Display Ground Bracket Chapter SpecificationsComputer 6.1 Computer6.2 Displays 12.1-Inch CSTN, SVGA Display12.1-Inch CTFT, SVGA Display 11.3-Inch CSTN, SVGA Display 11.8-Inch CTFT, SVGA DisplayMetric MetricMetric 10.4-Inch CSTN, SVGA DisplayStandard Model Configurations Hard Drives3-GB 4-GBTable 6-7 Continued Standard Model Configurations1.4 GB 1.6-GBTable 6-7 Continued Standard Model Configurations630-MB 810-MB6.4 Diskette Drive 20X Max CD-ROM Drive 6.5 CD-ROM Drives8 X CD-ROM Drive Table 4X CD-ROM Drive 6.6 Battery Packs Lithium Ion Modular Battery PackLithium Ion Handle Battery Pack MCD Expansion Unit 6.7 Mobile CD Expansion UnitAutomobile Adapter 6.8 External Power SuppliesAC Adapter External Battery Charger 6.9 System Interrupts Hardware IRQSystem Function NOTE PC Card controller can use DMA 1, 2, or 6.10 System DMA6.11 System I/O Address System Function Shipping ConfigurationI/O Address Hex Page 6.12 System Memory Map Appendix A Connector Pin AssignmentsTable A-1 External Keyboard Table A-2 PS/2-Compatible MouseTable A-6 Table A-4External Monitor Ethernet RJ-45Table A-8 Table A-7 ParallelSerial External Diskette Negative Drive DetectAudio Signal from CD Drive - Left Channel Table A-9 Expansion ConnectorTable A-9 Continued Table A-10 Speaker Connector Table A-11Inside 3-Conductor Power Cord Set Power Cord Set RequirementsGeneral Requirements Appendix BCountry-Specific Requirements 3-Conductor Power Cord Set Requirements - By CountryIndex Page Page solving minor problems without diagnostics software applications, 2-30 solving audio problems 2-17recognizing devices, 2-7 running Computer Setup 2-7 utilities, 2-7, 0-1, 6-1 Computer Checkup TEST 2-8