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Compaq AP500 manual 6Physical and Operating Specifications, Memory Addresses

Models: AP500

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7-6Physical and Operating Specifications

			Table 7-5
			Memory Addresses

Memory Address	Size			System Function

FFFFFFFFh to FFF80000h	512 KB			System ROM

FEEFFFFFh to FEE00000h	1024 KB			Local APIC address range

FECFFFFFh to FEC00000h	1024 KB			I/O APIC address range

C7FFFFFFh to 50000000h	1,966,080 KB			PCI Memory expansion

3FFFFFFFh to 01000000h	1,032,192 KB			HOST Memory expansion

00FFFFFFh to 00100000h	15,360 KB			HOST or ISA Memory expansion

000FFFFFh to 000F0000h	64 KB			System ROM

000EFFFFh to 000E0000h	64 KB			Expansion system ROM

000DFFFFh to 000C0000h	128 KB			Option ROM

000BFFFFh to 000A0000h	128 KB			Video RAM

0009FFFFh to 00000000h	640 KB			Base memory

1 KB = 1024 bytes. Any memory above host memory is non-cacheable.

Image 139

Compaq AP500 manual 6Physical and Operating Specifications, Memory Addresses, Memory Address Size System Function

Contents

Professional Workstation AP500 Second Edition March Part Number Spare Part Number Contents Removal and Replacement Procedures Diagnostic ToolsSystem Security Diagnostic ToolsIndex Vii Text ConventionsSymbols on Equipment Symbols in TextOther Information Sources Where to Go for Additional HelpTelephone Numbers Mechanical Parts Illustrated Parts Catalog2Illustrated Parts Catalog System ComponentsCompaq Professional Workstation AP500 Spares Parts List Spares Parts ListReference Description Spares 4Illustrated Parts Catalog Compaq Professional Workstation AP500 Spares Parts ListReference Description Cable Kits ReferenceDescription Spares 6Illustrated Parts CatalogSoftware Compaq Technician Notes Service PreliminariesPreliminary Warnings and Cautions 2Service PreliminariesElectrostatic Discharge Information Equipment Symbols4Service Preliminaries Warranty InformationTools and Software Requirements Serial Number Removal and Replacement Procedures2Removal and Replacement Procedures Service PreparationsCable Lock Workstation Feet 4Removal and Replacement ProceduresLoosening the thumbscrews and removing the side access panel Side Access PanelFront Bezel 6Removal and Replacement ProceduresRemoving a blank drive bezel Blank Drive BezelEMI/Cooling Shield 8Removal and Replacement ProceduresRemoving the speaker Speaker10Removal and Replacement Procedures Bracket AssemblyReplacing the I/O Bracket Assembly Expansion Boards 12Removal and Replacement ProceduresIdentifying the PCI and ISA Expansion Slots PCI/ISA Slots Removing a PCI or ISA Expansion Board 14Removal and Replacement ProceduresRemoving a Symbios Wide Ultra2 PCI Scsi Controller 12. Removing an AGP graphics controller 16Removal and Replacement Procedures13. Removing the card guide Removing the Card GuideRemoving the Backplane Board 18Removal and Replacement Procedures15. Removing the system fan System Fan16. Removing the fan from the bracket 20Removal and Replacement ProceduresDrive Positions Mass Storage DevicesDrive Positions 22Removal and Replacement ProceduresComponent Description 18. Locating the hardware screws Hardware ScrewsCD-ROM Drive or DVD-ROM Drive 24Removal and Replacement ProceduresPull the drive completely out of the drive cage Diskette Drive 26Removal and Replacement ProceduresPull the diskette drive straight out Removing a 7200 rpm Hard Drive from Bays 5 or 28Removal and Replacement ProceduresRemove the EMI/cooling shield 26. Removing a hard drive from the hard drive bracket 30Removal and Replacement ProceduresRemoving a 10,000-rpm Hard Drive from Bays 5 or 27. Disconnecting the cables from the hard drive28. Disconnecting the fan power cable 32Removal and Replacement Procedures30. Removing the EMI/cooling shield 32. Removing a hard drive from the hard drive bracket 34Removal and Replacement Procedures33. Disconnecting the power cable Removing the Fan from a Hard Drive Installed Bays 5 or34. Removing the fan 36Removal and Replacement ProceduresRemoving a Hard Drive from the Removable Hard Drive Cage 36. Removing the removable hard drive cage 38Removal and Replacement ProceduresRemovable Hard Drive Screw Holes Installing a Hard Drive in the Removable Hard Drive CageReference Bay 39. Inserting a hard drive in the removable hard drive cage 40Removal and Replacement ProceduresScsi Cables Scsi Cables and Guidelines42Removal and Replacement Procedures Scsi Guidelines for Installing Scsi DevicesScsi Guidelines for Optimizing Performance System Board with Tray and Cage System Board Assembly44Removal and Replacement Procedures System Board Components System Board ComponentsReference Component 46Removal and Replacement Procedures Important Guidelines for Dimm InstallationDual Inline Memory Modules DIMMs Doing so may damage the Dimm Removing a Dimm48Removal and Replacement Procedures Processor and Heatsink Assembly47. Removing the processor power module Processor Power Module50Removal and Replacement Procedures Primary Processor Power Module Cable InsulatorRunning Computer Setup External Battery52Removal and Replacement Procedures Installing the BatteryPage 54Removal and Replacement Procedures Power Switch Cable AssemblyPower Supply 51. Removing the power supply air baffle 56Removal and Replacement ProceduresDiagnostic Tools 2Diagnostic Tools Power-On Self-Test PostPost Messages Post MessagesMessage Beeps Probable Cause Recommended Action Post Messages 4Diagnostic ToolsMessage Beeps Probable Cause Diskette Drive Type Mismatch in drive type 6Diagnostic Tools Troubleshooting Minor Problems Problem Power ProblemsSolutions for Power Problems 8Diagnostic ToolsSolutions for Diskette Drive Problems Diskette Drive ProblemsProblem Possible Solution Solutions for Display Problems Display Problems10Diagnostic Tools Solutions for Printer Problems Printer ProblemsSolutions for Display Problems Solutions for Hard Drive Problems Hard Drive Problems12Diagnostic Tools Solutions for Hardware Installation Problems Hardware Installation ProblemsSolutions for CD-ROM and DVD-ROM Drive Problems CD-ROM Drive and DVD-ROM Drive Problems14Diagnostic Tools Solutions for Scsi Problems Memory ProblemsScsi Problems Solutions for Memory ProblemsProblem Cause Network ProblemsSolutions for Network Problems 16Diagnostic ToolsProblemCause Solutions for Network ProblemsAudio Hardware Conflicts 18Diagnostic ToolsAccessing the Compaq Utilities Menu Compaq Setup and Diagnostics Utilities20Diagnostic Tools Creating a Diagnostics DisketteComputer Setup Selection Computer SetupUsing Computer Setup Computer Setup FeaturesComputer Setup Features 22Diagnostic ToolsTask Computer Setup Selection Select Computer Checkup Test Computer Checkup TestView System Information Inspect 24Diagnostic ToolsManaging a Diagnostics Partition Diagnostic Error CodesMicroprocessor Microprocessor Test Error Codes26Diagnostic Tools Error CodeKeyboard Memory Test Error CodesKeyboard Test Error Codes MemoryError Code Description Recommended Action Parallel Printer Test Error CodesDiskette Drive Test Error Codes 28Diagnostic ToolsModem Serial Test Error CodesModem Communications Test Error Codes Serial PortCD-ROM Drive IDE CD-ROM Drive IDE Test Error CodesTape Drive Test Error Codes 30Diagnostic ToolsVideo Video Test Error CodesVideo Test Error Codes 32Diagnostic ToolsAudio Network Interface Test Error CodesAudio Test Error Codes Error Code Description Recommended Action 3206-xx34Diagnostic Tools Scsi Error CodesScsi Device Names Scsi Test Error Codes Scsi Test Error Codes 36Diagnostic ToolsError Code Description Upgrading the ROM Local ROM UpgradeRemote ROM Flash 38Diagnostic ToolsIdentifying keyboard lights FailSafe Boot Block ROMNum Caps Scroll Meaning and Required Action 40Diagnostic ToolsSystem requires Setup Password Keyboard LightsCompaq Insight Manager Remote Capability Silent Setup Command Line Interface42Diagnostic Tools Compaq Workstation SSD for Windows NTCompaq Diagnostics for Windows NT Security Features Security FeaturesFeature Purpose How It Is Established Establishing a Setup Password Using Computer Setup Password Security2System Security Establishing a Power-On Password Using Computer Setup 4System Security Entering a Power-On PasswordChanging a Power-On or Setup Password Deleting a Power-On or Setup Password3 4 5 Clearing a Power-On or Setup Password6System Security Windows NT Workstation PasswordNational Keyboard Delimiter Characters National Keyboard Delimiter CharactersAdvanced Security Management Re-enabling Diskette Boot or Diskette Write8System Security Re-enabling a Serial Port or Parallel PortQuickLock/QuickBlank Enabling QuickLock and QuickBlankDisabling the Keyboard and Mouse Interface Cable Lock ProvisionEnabling the Keyboard and Mouse Interface Jumper and Switch Information 2Jumper and Switch Information Battery JumpersSystem Board Configuration Jumper J5 Settings 500/100 MHz Switch SettingsSW1 Settings 450/100 MHzHard Drives 4Jumper and Switch Information32X Max CD-ROM Drive IDE Identifier Function PowerStorm 300/AGP Graphics ControllerPhysical and Operating Specifications System Unit 2Physical and Operating SpecificationsMetric System Function System Direct Memory Access DMASystem Interrupts Hardware IRQAddress Hex 4Physical and Operating SpecificationsSystem Function Shipping Configuration System I/OEGA/VGA System I/OMemory Addresses 6Physical and Operating SpecificationsMemory Address Size System Function 325W Power Supply Specifications 325W Power SupplyInput Specifications Low Range High Range Diskette Drive 8Physical and Operating SpecificationsMB Diskette Drive MB ZIP Drive Zip DriveCD-ROM Drive 10Physical and Operating Specifications32X Max Tray-Load CD-ROM Drive IDE 32X Max CD-ROM Drive IDE DVD-ROM Drive 12Physical and Operating Specifications6X Max DVD-ROM Drive 6X Max DVD-ROM Drive GB Wide-Ultra Scsi Hard Drive 14Physical and Operating SpecificationsRpm drive 10K rpm drive GB Wide-Ultra Scsi Hard Drive 7200 rpm GB Ultra ATA Hard Drive 16Physical and Operating SpecificationsGB Ultra ATA Hard Drive 7200 RPM Drive Configuration Drive PerformancePerformance Criteria 18Physical and Operating SpecificationsGB Wide Ultra2 Hard Drive 10,000 RPM ValueAudio System Compaq Enhanced Keyboard Dimensions MetricAudio System KeyboardButton Mouse Dimensions Metric 20Physical and Operating SpecificationsMouse Colors Supported Rate Graphics ControllersGLoria Synergy+ Graphics Controller Maximum Color Support Maximum RefreshResolutions Colors Maximum Refresh Rate Hz 22Physical and Operating SpecificationsColors Maximum Display Area Horizontal Refresh Rate kHz Vertical Refresh Rate Hz Resolutions Colors 24Physical and Operating SpecificationsMillennium G200 Graphics Controller Maximum Color Support Network Controller RJ-45 Network Cable SpecificationsEthernet Network Interface Controller NIC Reference Connector External ConnectorsPhysical Location External Connectors 2External ConnectorsReference Connector Function Keyboard Connector and Icon Orange Pin SignalConnector and Icon Green Pin Signal Pin AssignmentsConnector and Icon Pin Signal 4External ConnectorsParallel Interface Serial Interfaces Connector and IconPin Signal 6External ConnectorsMonitor Universal Serial Bus USB Ethernet RJ-458External Connectors Scsi ConnectorHeadphone Connector Line-In ConnectorLine-Out Connector Microphone ConnectorIndex Index-2 Index-3 Index-4 Index-5 Index-6 Index-7 Index-8 Index-9 Index-10 Index-11 Index-12