Compaq Deskpro 2000

5-42 Removal and Replacement Procedures - Desktop

Figure 5-40. Removing the Pentium II System Board

✎The riser brace has been removed for clarity.

To install a new system board, reverse the above procedures.

Contents

Main Page Notice Maintenance and Service Guide Page C preface About this Guide chapter 1 Product Description chapter 2 Compaq Utilities chapter 3 Illustrated Parts Catalog chapter 4 Removal and Replacement Prelinimaries chapter 5 Removal and Replacement Procedures - Desktop chapter 6 Removal and Replacement Procedures - Minitower chapter 7 Jumper and Switch Information chapter 8 Specifications Page preface ABOUT THIS GUIDE Symbols and Conventions ! Technician Notes ! System Serial Number Locating Additional Information Page 1.1 Compaq Deskpro 2000 Series of Personal Computer Models 1.1.1 Desktop Models Table 1-1 Desktop Models 1.1.2 Minitower Models 1.2 Features 1.2.1 Pentium System Feature Summary 1.2.2 Pentium II System Feature Summary 1.2.3 Features Common to Both 1.3 System Design 1.3.1 Design Overview 1.3.2 System Board 1.3.3 Processor 1.3.4 System Memory 1.3.5 Cache Memory 1.3.6 Graphics Controllers 1.3.7 Chipsets VIA Chipset 440LX Chipset 1.3.8 System I/O 1.3.9 System BIOS PCI Auto-Configuration IDE/EIDE Auto-Configuration ISA Plug and Play Capability 1.3.10 Expansion Slots 1.3.11 Power Supply 1.3.12 Diskette Drive Interface 1.3.13 Serial Port 1.3.14 Parallel Port 1.3.15 System Security 1.3.16 Keyboard/Mouse Controller 1.3.17 Real-Time Clock and CMOS RAM 1.3.18 Power Supply Fan 1.3.19 Speaker 1.3.22 Intelligent Manageability Asset Management Configuration Management Integration Management Fault Management Security Management 1.4 Desktop Computer Features 1.4.1 Front Panel Controls and LEDs Table 1-3 Lights and Controls 1.4.2 Drive Positions Table 1-4 Compaq Deskpro 2000 Desktop Computer 1-16 Product Description 1.4.3 Rear Panel Connectors Figure 1-4. Rear Panel Connectors Table 1-5 Rear Panel Connectors Compaq Deskpro 2000 Series of Personal Computers 1-17 1.5 Minitower Computer Features 1.5.1 Front Panel Lights and Controls Figure 1-5. Power Switch and Front Panel Lights Table 1-6 Lights and Controls Page Page Page Compaq Deskpro 2000 Series of Personal Computers 1-21 Table 1-8 Rear Panel Connectors Page Compaq Deskpro 2000 Series of Personal Computers 1-23 Table 1-9 Keyboard Features and Functions Ref. Key Function 1.7 Options 1.7.1 Cache Upgrade 1.7.2 System Memory 1.7.3 Audio Upgrade 1.7.4 Mass Storage Options 1.7.5 Monitor Options 1.7.6 Graphics Controllers and Memory Options 1.7.7 Serial/Parallel Interface Board 1.7.8 PD-CD Drive 1.7.9 Modems chapter 2 C OMPAQ U 2.1 Getting Ready 2.1.1 Preparing the Computer 2.1.2 Create a Diagnostics Diskette 2.1.3 Accessing the Compaq Utilities Menu 2.2 Computer Setup Table 2-1 Built-In Devices Quick Boot Passive Release (Pentium II System) 2.2.1 Security Features Establishing a Password in Windows 95 Establishing a Power-On Password Using Computer Setup Entering a Power-On Password Changing a Power-On Password Page 2.2.2 QuickLock/QuickBlank 2.3 Computer Checkup (TEST) 2.4 View System Information (INSPECT) 2.5 Create a Diagnostics Diskette 2.6 Managing the Diagnostics Partition 2.7 Exiting the Compaq Utilities Menu 2.8 Compaq Enhanced Insight Personal Edition (Diagnostics for Windows) 2.9 Power-On Self-Test (POST) 2.10 ROMPaq 2.11 Compaq Intelligent Manageability 2.11.1 Asset Management 2.11.2 Fault Management SMART II Hard Drive Fault Prediction ECC Fault Prediction and Prefailure Warranty 2.11.3 Security Management 2.11.4 Configuration Management Remote ROM Flash Upgrading Flash ROM Using Remote ROM Flash FailSafe Boot Block ROM Table 2-6 Keyboard Light Combinations Figure 2-3. Keyboard Lights Remote Security Management Replicated Setup Using Replicated Setup Compaq Integrated Software Universal Driver Manager Enhanced Support Software CD and World Wide Web Site 2.11.5 Integration Management Desktop Management Interface Compaq Insight Manager and the Insight Management Agents Compaq Desktop Management Solutions Partners Program Systems Management Partners Program 2.12 Protecting Your Software 2.12.1 Ordering Backup Diskettes 2.13 Prefailure Warranty chapter 3 ILLUSTRATED PARTS CATALOG Page Page Page Page Page Compaq Deskpro 2000 Series of Personal Computers 3-7 Table 3-3 Mass Storage Devices Page Compaq Deskpro 2000 Series of Personal Computers 3-9 Table 3-4 Cables Page Compaq Deskpro 2000 Series of Personal Computers 3-11 Table 3-5 Standard and Optional Boards Page Compaq Deskpro 2000 Series of Personal Computers 3-13 Table 3-5 2. Minitower system boards are spared mounted in the system board tray. 3-14 Illustrated Parts Catalog 3.5 Keyboards Figure 3-8. Keyboard Table 3-6 Keyboards Compaq Deskpro 2000 Series of Personal Computers 3-15 Table 3-6 Page Compaq Deskpro 2000 Series of Personal Computers 3-17 Table 3-7 Monitors 3-18 Illustrated Parts Catalog Table 3-7 3.7 Miscellaneous Hardware Kit 3-20 Illustrated Parts Catalog 3.8 Miscellaneous Plastics Kit Figure 3-11. Miscellaneous Plastics Kit, Desktops Table 3-9 Miscellaneous Plastics Kit, Desktops Compaq Deskpro 2000 Series of Personal Computers 3-21 Figure 3-12. Miscellaneous Plastics Kit, Minitowers Table 3-10 Miscellaneous Plastics Kit, Minitowers 3.9 Miscellaneous Parts Compaq Deskpro 2000 Series of Personal Computers 3-23 Figure 3-14. Miscellaneous Parts Table 3-12 Miscellaneous Parts 3-24 Illustrated Parts Catalog Figure 3-15. Power Switch Kit Table 3-13 Power Switch Kit 3.10 Shipping Boxes Table 3-14 Shipping Boxes Compaq Deskpro 2000 Series of Personal Computers 3-25 3.11 Documentation Table 3-15 Documentation 3-26 Illustrated Parts Catalog 3.12 Software Table 3-16 Software Description* Spare Part Number Warranty Tier Compaq Deskpro 2000 Series of Personal Computers 3-27 Table 3-16 3-28 Illustrated Parts Catalog Table 3-16 Description* Spare Part Number Warranty Tier chapter 4 P 4.1 Electrostatic Discharge Information 4.1.1 Generating Static Table 4-1 Typical Electrostatic Voltages 4.1.2 Preventing Electrostatic Damage to Equipment 4.1.3 Personal Grounding Methods Table 4-2 Static Shielding Protection Levels 4.1.4 Grounding Workstations 4.1.5 Personal Grounding Equipment 4.1.6 Recommended Materials and Equipment 4.2 Routine Care 4.2.1 General Cleaning Safety Precautions 4.2.2 Cleaning the Computer Case 4.2.3 Cleaning the Keyboard 4.2.4 Cleaning the Monitor 4.2.5 Cleaning the Mouse 4.3 Service Considerations 4.3.1 Tools and Software Requirements 4.3.4 Hard Drives 4.3.5 Plastic Parts 4.3.6 Lithium Battery chapter 5 PROCEDURES - DESKTOP 5-2 Removal and Replacement Procedures - Desktop 5.2 Disassembly Sequence Chart Use the chart below to determine the disassembly sequence for removing components from the 5.3 Preparation for Disassembly Page 5.5 Cable Lock 5.6 System Unit Cover Page Page Page 5.8.1 Inboard Expansion Board 5.8.2 Outboard Expansion Board 5.9 System Board Components 5.9.1 Memory Modules Page 5.9.3 Microprocessor Pentium System Board Page Pentium II System Board ! 5.9.4 Cache Memory (Pentium System Only) 5.10 Riser Board Page 5.12 Expansion Board Guide 5.13 Replacement Battery ! ! 5.14 Front Bezel Assembly 5.14.1 Front Bezel 5.14.2 Power Button 5.14.3 Bezel Blank 5.14.4 Compaq Logo 5.15 Power Supply Assembly 5.15.1 Power Switch Assembly Page 5.15.2 Power Supply 5.16 Mass Storage Devices 5.16.1 3.5-Inch Drive Bays Page 5.16.2 5.25-Inch Drive Bays Page Page Page Page 5.17 Drive Cage Page Page 5.19 System Board Page Page chapter 6 PROCEDURES - MINITOWER 6-2 Removal and Replacement Procedures - Minitower 6.2 Disassembly Sequence Chart Use the chart below to determine the disassembly sequence for removing components from the 6.3 Preparation for Disassembly 6.4 Feet 6.5 Cable Lock 6.6 Exposing the Chassis 6.6.1 Access Panel 6.6.2 Minitower J Hood 6.7 Riser Brace 6.8 Expansion Board Page 6.9 Expansion Board Guide 6.10 Riser Board 6.11 Speaker 6.12 System Board Components 6.12.1 Memory Module 6.12.2 Microprocessor Pentium System Board Pentium II System Board ! Page Page Page 6.13 System Board Page Page 6.14 Replacement Battery ! ! Page 6.16 Front Bezel Assembly 6.16.1 Front Bezel 6.16.2 Power Button 6.16.3 Bezel Blank 6.16.4 Compaq Logo 6.17 Power Supply Assembly 6.17.1 Power Supply Switch Assembly Page 6.17.2 Power Supply 6.18 LED Cable Page 6.19 Mass Storage Devices 6.19.1 3.5-Inch Drive Bays Page 6.19.2 5.25-Inch Drive Bays Page 6.19.3 Installing a New Drive Page Page Page Page Page Compaq Deskpro 2000 Series of Personal Computers 7-3 Table 7-1 Pentium System Board Connectors, Jumpers, and Switches Device Description 7-4 Jumper and Switch Information Figure 7-2. Pentium II System Board Switch, Connector, and Jumper Locations Table 7-2 Pentium II System Board Connectors, Jumpers, and Switches Device Description 7.1.2 Switch Settings Figure 7-3. SW1 Module Location, Pentium System Board Table 7-3 Pentium System Board SW1 Settings Table 7-4 Pentium II System Board Processor Speed Switch Settings 7.2 System Board Jumpers 7.2.2 Clearing Configuration 7.2.3 Changing the Real-Time Clock (RTC) Battery 7.3 Hard Drives 7.3.1 2.1-GB EIDE Hard Drive Jumper Settings Page 7.3.2 3.2-GB EIDE Hard Drive Jumper Settings Page 7-14 Jumper and Switch Information 7.3.3 Optional Ultra SCSI Hard Drive Jumper Settings Figure 7-17. 2.1-GB Ultra SCSI Hard Drive Jumper Settings Table 7-11 Jumper J2 Jumper J6 Definition Jumper Pins Definition A0 A1 A2 Compaq Deskpro 2000 Series of Personal Computers 7-15 Table 7-12 Jumper J2 Jumper J6 Definition Jumper Definition A0 A1 A2 7.3.4 Optional Ultra ATA Hard Drives Jumper Settings Page 7-18 Jumper and Switch Information 7.4 CD-ROM Drive Jumper Settings Figure 7-22. Jumper Pins for the 16X max EIDE CD-ROM Drives Figure 7-23. Jumper Pins for the PD-CD Drive Table 7-16 Definition Jumper Primary MA Secondary SL Cable select CS 7.6 Diskette Drive Figure 7-24. LS-120 Diskette Drive Jumper Settings Table 7-17 Jumper Settings (Top Insert) Setting IA 1DRV 2CSL 2MST Jumper Settings (Bottom Insert) S 8.1 System Table 8-1 Desktop System Specifications U. S. Metric 8-2 Specifications Table 8-2 Minitower System Specifications U. S. Metric Compaq Deskpro 2000 Series of Personal Computers 8-3 Table 8-3 System Interrupts Hardware IRQ System Function Table 8-4 System DMA Hardware DMA System Function 8-4 Specifications Table 8-5 System I/O I/O Address (Hex) System Function (Shipping Configuration) Compaq Deskpro 2000 Series of Personal Computers 8-5 Table 8-5 I/O Address (Hex) System Function (Shipping Configuration) 8-6 Specifications Table 8-6 System Memory Map Size Memory Address System Function Compaq Deskpro 2000 Series of Personal Computers 8-7 8.2 Drives Table 8-7 1.44 MB Diskette Drive 8-8 Specifications Table 8-8 Hard Drives Table 8-9 Ultra SCSI Hard Drives 2.1 GB 4.3 GB 8-10 Specifications Table 8-10 CD-ROM Drives 16X Max 24X Max Compaq Deskpro 2000 Series of Personal Computers 8-11 Table 8-11 PD-CD Drive Continued 4X 8X Disc Laser Table 8-11 Environmental Conditions Physical Characteristics Compaq Deskpro 2000 Series of Personal Computers 8-13 Table 8-12 LS-120 Drive 8-14 Specifications 8.3 Audio System Table 8-13 Audio System 8.4 Keyboard Table 8-14 Compaq Enhanced Keyboard U.S. Metric 8.5 Mouse Table 8-15 2-Button Mouse Resolution Maximum Refresh Rate, Hz U.S. Metric 8.6 Supported Graphics Resolutions Table 8-17 MPEG1 Graphics Controller Table 8-18 Matrox MGA-1064SG Embedded Graphics Controller Table 8-19 Matrox Millennium II PCI Board Compaq Deskpro 2000 Series of Personal Computers A-1 appendix A C ONNECTOR PIN A This appendix contains the pin assignments for all external connectors: Table A-1 Keyboard Connector and Icon (Orange) Pin Signal Table A-2 Mouse Table A-3 Parallel Interface Table A-4 Serial Interfaces Compaq Deskpro 2000 Series of Personal Computers A-3 Table A-5 Monitor Connector Pin Signal Table A-6 Ethernet RJ-45 Table A-7 Ethernet BNC A-4 Connector Pin Assignments Table A-8 Ultra-Wide SCSI Connector Page A-6 Connector Pin Assignments Table A-14 IDE/EIDE Drive Cable Pin Signal Pin Signal appendix B POWER CORD SET R General Requirements Country-Specific Requirements Power Cord Set RequirementsBy Country appendix C H ARD D Device 0/Device 1 Relationship Cable Select SMART Automatic Soft-Drive Types Table C-1 Soft-Drive Type Assignments Ultra ATA (Pentium II System only) Table C-2 IDE Cable Transfer Rates appendix D SCSI G Guidelines for Installing Optional SCSI Devices Termination Compaq Deskpro 2000 Series of Personal Computers E-1 appendix E DIAGNOSTIC ERROR CODES Table E-1 Summary of Test Error Codes Error Code Range Device Description Table E-2 Microprocessor Test Error Codes Compaq Deskpro 2000 Series of Personal Computers E-3 Table E-3 Memory Test Error Codes Table E-4 Keyboard Test Error Codes Page Compaq Deskpro 2000 Series of Personal Computers E-5 Table E-9 Hard Drive Test Error Codes Error Code Description Recommended Action Table E-10 Tape Drive Test Error Codes Error Code Description Recommended Action E-6 Diagnostic Error Codes Table E-11 Video Test Error Codes Table E-12 Audio Test Error Codes Table E-13 Network Interface Test Error Codes Page SCSI Error Codes Table E-16 SCSI Device Names Table E-17 SCSI Test Names E-10 Diagnostic Error Codes Table E-18 SCSI Test Error Codes Compaq Deskpro 2000 Series of Personal Computers E-11 Table E-18 Compaq Deskpro 2000 Series of Personal Computers F-1 appendix F POST E RROR M Table F-1 Power-On Self-Test Messages F-2 POST Error Messages Table F-1 Compaq Deskpro 2000 Series of Personal Computers F-3 appendix G TROUBLESHOOTING WITHOUT D Checklist for Solving Minor Problems G-2 Troubleshooting Without Diagnostics Power Problems This section identifies some quick checks for powerrelated problems. Table G-1 Solutions for Power Problems Thermal Problems This section identifies a thermal problem that could be related to the processor overheating. Diskette Drive Problems This section identifies some quick checks for diskette drive problems. Table G-3 Solutions for Diskette Drive Problems G-4 Troubleshooting Without Diagnostics Display Problems CONFIG.SYS . CONFIG.SYS This section identifies some quick checks for displayrelated problems. Printer Problems This section identifies some quick checks for printerrelated problems. Table G-5 Solutions for Printer Problems Hard Drive Problems Table G-6 Solutions for Hard Drive Problems Compaq Deskpro 2000 Series of Personal Computers G-7 Hardware Installation Problems This section identifies some quick checks for hardware problems. Table G-7 Solutions for Hardware Installation Problems Problem Possible Solutions G-8 Troubleshooting Without Diagnostics CD-ROM Drive Problems This section identifies some quick checks for CD-ROM driverelated problems. Table G-8 CD-ROM Drive Problems Compaq Deskpro 2000 Series of Personal Computers G-9 Memory Problems This section identifies some quick checks for memoryrelated problems. Table G-9 Memory Problems SCSI Problems Some common causes and solutions for SCSI device problems are listed in the following table. Network Problems Table G-11 Network Problems Compaq Deskpro 2000 Series of Personal Computers G-11 Table G-11 Resolving Audio Hardware Conflicts Table G-12 Audio Interface Settings appendix H INTEL 440LX CHIPSET MEMORY L Table H-1 SDRAM Memory Technologies Table H-2 Supported Memory Configurations Index A B C D E F G H I J K L M N O P Page Q R S T U V W