Power Switch Cable Assembly | Compaq AP500 guide

3-54Removal and Replacement Procedures

Power Switch Cable Assembly

The power switch cable assembly can be replaced without removing the power supply. To remove the power switch cable assembly:

1.Perform the service preparations shown on page 3-2.

2.Remove the following components:

❏Side access panel

❏Front bezel

❏CD-ROM drive or DVD-ROM drive (if installed)

3.Disconnect the power switch cable from the system board.

4.Remove the screws that keep the power switch cable assembly in place.

5.Remove the crown from the power switch cable assembly.

6.Gently slide the cable through the CD-ROM drive bay opening.

7.Remove the power switch cable assembly from the chassis.

Figure 3-50. Removing the power switch cable assembly

To replace the power switch cable assembly, reverse the above procedure.

Image 74

Compaq AP500 manual Power Switch Cable Assembly, 54Removal and Replacement Procedures

Contents

Professional Workstation AP500 Second Edition March Part Number Spare Part Number Contents Diagnostic Tools Removal and Replacement Procedures Diagnostic Tools System Security Index Text Conventions Vii Symbols in Text Symbols on Equipment Telephone Numbers Where to Go for Additional HelpOther Information Sources Illustrated Parts Catalog Mechanical Parts System Components 2Illustrated Parts Catalog Reference Description Spares Spares Parts ListCompaq Professional Workstation AP500 Spares Parts List Reference Description Compaq Professional Workstation AP500 Spares Parts List4Illustrated Parts Catalog Reference Cable Kits 6Illustrated Parts Catalog Description Spares Software Service Preliminaries Compaq Technician Notes 2Service Preliminaries Preliminary Warnings and Cautions Equipment Symbols Electrostatic Discharge Information Tools and Software Requirements Warranty Information4Service Preliminaries Removal and Replacement Procedures Serial Number Service Preparations 2Removal and Replacement Procedures Cable Lock 4Removal and Replacement Procedures Workstation Feet Side Access Panel Loosening the thumbscrews and removing the side access panel 6Removal and Replacement Procedures Front Bezel Blank Drive Bezel Removing a blank drive bezel 8Removal and Replacement Procedures EMI/Cooling Shield Speaker Removing the speaker Bracket Assembly 10Removal and Replacement Procedures Replacing the I/O Bracket Assembly Identifying the PCI and ISA Expansion Slots 12Removal and Replacement ProceduresExpansion Boards PCI/ISA Slots 14Removal and Replacement Procedures Removing a PCI or ISA Expansion Board Removing a Symbios Wide Ultra2 PCI Scsi Controller 16Removal and Replacement Procedures 12. Removing an AGP graphics controller Removing the Card Guide 13. Removing the card guide 18Removal and Replacement Procedures Removing the Backplane Board System Fan 15. Removing the system fan 20Removal and Replacement Procedures 16. Removing the fan from the bracket Mass Storage Devices Drive Positions Component Description 22Removal and Replacement ProceduresDrive Positions Hardware Screws 18. Locating the hardware screws 24Removal and Replacement Procedures CD-ROM Drive or DVD-ROM Drive Pull the drive completely out of the drive cage 26Removal and Replacement Procedures Diskette Drive Pull the diskette drive straight out 28Removal and Replacement Procedures Removing a 7200 rpm Hard Drive from Bays 5 or Remove the EMI/cooling shield 30Removal and Replacement Procedures 26. Removing a hard drive from the hard drive bracket 27. Disconnecting the cables from the hard drive Removing a 10,000-rpm Hard Drive from Bays 5 or 32Removal and Replacement Procedures 28. Disconnecting the fan power cable 30. Removing the EMI/cooling shield 34Removal and Replacement Procedures 32. Removing a hard drive from the hard drive bracket Removing the Fan from a Hard Drive Installed Bays 5 or 33. Disconnecting the power cable 36Removal and Replacement Procedures 34. Removing the fan Removing a Hard Drive from the Removable Hard Drive Cage 38Removal and Replacement Procedures 36. Removing the removable hard drive cage Reference Bay Installing a Hard Drive in the Removable Hard Drive CageRemovable Hard Drive Screw Holes 40Removal and Replacement Procedures 39. Inserting a hard drive in the removable hard drive cage Scsi Cables and Guidelines Scsi Cables Scsi Guidelines for Optimizing Performance Scsi Guidelines for Installing Scsi Devices42Removal and Replacement Procedures System Board Assembly System Board with Tray and Cage 44Removal and Replacement Procedures Reference Component System Board ComponentsSystem Board Components Dual Inline Memory Modules DIMMs Important Guidelines for Dimm Installation46Removal and Replacement Procedures Removing a Dimm Doing so may damage the Dimm Processor and Heatsink Assembly 48Removal and Replacement Procedures Processor Power Module 47. Removing the processor power module Primary Processor Power Module Cable Insulator 50Removal and Replacement Procedures External Battery Running Computer Setup Installing the Battery 52Removal and Replacement ProceduresPage Power Switch Cable Assembly 54Removal and Replacement Procedures Power Supply 56Removal and Replacement Procedures 51. Removing the power supply air baffle Diagnostic Tools Power-On Self-Test Post 2Diagnostic Tools Message Beeps Probable Cause Recommended Action Post MessagesPost Messages Message Beeps Probable Cause 4Diagnostic ToolsPost Messages Diskette Drive Type Mismatch in drive type 6Diagnostic Tools Troubleshooting Minor Problems 8Diagnostic Tools Power ProblemsSolutions for Power Problems Problem Problem Possible Solution Diskette Drive ProblemsSolutions for Diskette Drive Problems 10Diagnostic Tools Display ProblemsSolutions for Display Problems Solutions for Display Problems Printer ProblemsSolutions for Printer Problems 12Diagnostic Tools Hard Drive ProblemsSolutions for Hard Drive Problems Hardware Installation Problems Solutions for Hardware Installation Problems 14Diagnostic Tools CD-ROM Drive and DVD-ROM Drive ProblemsSolutions for CD-ROM and DVD-ROM Drive Problems Solutions for Memory Problems Memory ProblemsScsi Problems Solutions for Scsi Problems 16Diagnostic Tools Network ProblemsSolutions for Network Problems Problem Cause Solutions for Network Problems ProblemCause 18Diagnostic Tools Audio Hardware Conflicts Compaq Setup and Diagnostics Utilities Accessing the Compaq Utilities Menu Creating a Diagnostics Diskette 20Diagnostic Tools Computer Setup Features Computer SetupUsing Computer Setup Computer Setup Selection Task Computer Setup Selection 22Diagnostic ToolsComputer Setup Features Computer Checkup Test Select Computer Checkup Test 24Diagnostic Tools View System Information Inspect Diagnostic Error Codes Managing a Diagnostics Partition Error Code Microprocessor Test Error Codes26Diagnostic Tools Microprocessor Memory Memory Test Error CodesKeyboard Test Error Codes Keyboard 28Diagnostic Tools Parallel Printer Test Error CodesDiskette Drive Test Error Codes Error Code Description Recommended Action Serial Port Serial Test Error CodesModem Communications Test Error Codes Modem 30Diagnostic Tools CD-ROM Drive IDE Test Error CodesTape Drive Test Error Codes CD-ROM Drive IDE Video Test Error Codes Video 32Diagnostic Tools Video Test Error Codes Error Code Description Recommended Action 3206-xx Network Interface Test Error CodesAudio Test Error Codes Audio Scsi Device Names Scsi Error Codes34Diagnostic Tools Scsi Test Error Codes Error Code Description 36Diagnostic ToolsScsi Test Error Codes Local ROM Upgrade Upgrading the ROM 38Diagnostic Tools Remote ROM Flash FailSafe Boot Block ROM Identifying keyboard lights Keyboard Lights 40Diagnostic ToolsSystem requires Setup Password Num Caps Scroll Meaning and Required Action Compaq Insight Manager Compaq Workstation SSD for Windows NT Silent Setup Command Line Interface42Diagnostic Tools Remote Capability Compaq Diagnostics for Windows NT Feature Purpose How It Is Established Security FeaturesSecurity Features 2System Security Password SecurityEstablishing a Setup Password Using Computer Setup Establishing a Power-On Password Using Computer Setup Deleting a Power-On or Setup Password Entering a Power-On PasswordChanging a Power-On or Setup Password 4System Security Clearing a Power-On or Setup Password 3 4 5 National Keyboard Delimiter Characters Windows NT Workstation PasswordNational Keyboard Delimiter Characters 6System Security Re-enabling Diskette Boot or Diskette Write Advanced Security Management Enabling QuickLock and QuickBlank Re-enabling a Serial Port or Parallel PortQuickLock/QuickBlank 8System Security Enabling the Keyboard and Mouse Interface Cable Lock ProvisionDisabling the Keyboard and Mouse Interface Jumper and Switch Information System Board Configuration Jumper J5 Settings Battery Jumpers2Jumper and Switch Information 450/100 MHz Switch SettingsSW1 Settings 500/100 MHz 32X Max CD-ROM Drive IDE 4Jumper and Switch InformationHard Drives PowerStorm 300/AGP Graphics Controller Identifier Function Physical and Operating Specifications Metric 2Physical and Operating SpecificationsSystem Unit Hardware IRQ System Direct Memory Access DMASystem Interrupts System Function System I/O 4Physical and Operating SpecificationsSystem Function Shipping Configuration Address Hex System I/O EGA/VGA Memory Address Size System Function 6Physical and Operating SpecificationsMemory Addresses Input Specifications Low Range High Range 325W Power Supply325W Power Supply Specifications MB Diskette Drive 8Physical and Operating SpecificationsDiskette Drive Zip Drive MB ZIP Drive 32X Max Tray-Load CD-ROM Drive IDE 10Physical and Operating SpecificationsCD-ROM Drive 32X Max CD-ROM Drive IDE 6X Max DVD-ROM Drive 12Physical and Operating SpecificationsDVD-ROM Drive 6X Max DVD-ROM Drive Rpm drive 10K rpm drive 14Physical and Operating SpecificationsGB Wide-Ultra Scsi Hard Drive GB Wide-Ultra Scsi Hard Drive 7200 rpm 16Physical and Operating Specifications GB Ultra ATA Hard Drive Drive Configuration Drive Performance GB Ultra ATA Hard Drive 7200 RPM Value 18Physical and Operating SpecificationsGB Wide Ultra2 Hard Drive 10,000 RPM Performance Criteria Keyboard Compaq Enhanced Keyboard Dimensions MetricAudio System Audio System Mouse 20Physical and Operating SpecificationsButton Mouse Dimensions Metric Maximum Refresh Graphics ControllersGLoria Synergy+ Graphics Controller Maximum Color Support Colors Supported Rate Colors Maximum Display Area 22Physical and Operating SpecificationsResolutions Colors Maximum Refresh Rate Hz Horizontal Refresh Rate kHz Vertical Refresh Rate Hz Millennium G200 Graphics Controller Maximum Color Support 24Physical and Operating SpecificationsResolutions Colors Ethernet Network Interface Controller NIC RJ-45 Network Cable SpecificationsNetwork Controller Physical Location External ConnectorsReference Connector Reference Connector Function 2External ConnectorsExternal Connectors Pin Assignments Connector and Icon Orange Pin SignalConnector and Icon Green Pin Signal Keyboard Parallel Interface 4External ConnectorsConnector and Icon Pin Signal Connector and Icon Serial Interfaces Monitor 6External ConnectorsPin Signal Ethernet RJ-45 Universal Serial Bus USB Scsi Connector 8External Connectors Microphone Connector Line-In ConnectorLine-Out Connector Headphone Connector Index Index-2 Index-3 Index-4 Index-5 Index-6 Index-7 Index-8 Index-9 Index-10 Index-11 Index-12