Page 1 AINTENANCE & S ERVICE UIDE Compaq Deskpro 2000 Series of Personal Computers Pentium Processor with MMX Technology and Pentium II Processor September 1997 Edition...
Page 2 278041-001 278785-002...
Page 3 PERFORMANCE, OR USE OF THIS MATERIAL. This guide contains information protected by copyright. No part of this guide may be photocopied or reproduced in any form without prior written consent from Compaq Computer Corporation. 1997 Compaq Computer Corporation. All rights reserved. Printed in the U.S.A.
Page 5: Table Of Contents
Technician Notes... x System Serial Number... x Locating Additional Information ... x chapter 1 Product Description 1.1 Compaq Deskpro 2000 Series of Personal Computer Models ... 1-2 1.1.1 Desktop Models... 1-2 1.1.2 Minitower Models ... 1-2 1.2 Features ... 1-3 1.2.1...
Page 6 2.5 Create a Diagnostics Diskette... 2-12 2.6 Managing the Diagnostics Partition ... 2-12 2.7 Exiting the Compaq Utilities Menu ... 2-13 2.8 Compaq Enhanced Insight Personal Edition (Diagnostics for Windows)... 2-13 2.9 Power-On Self-Test (POST) ... 2-13 2.10 ROMPaq... 2-14 2.11 Compaq Intelligent Manageability...
Page 7 chapter 3 Illustrated Parts Catalog 3.1 System Unit ... 3-2 3.2 Mass Storage Devices ... 3-6 3.3 Cables ... 3-8 3.4 Standard and Optional Boards... 3-10 3.5 Keyboards... 3-14 3.6 Monitors ... 3-16 3.7 Miscellaneous Hardware Kit ... 3-19 3.8 Miscellaneous Plastics Kit ... 3-20 3.9 Miscellaneous Parts...
Page 8 5.14 Front Bezel Assembly ... 5-23 5.14.1 Front Bezel ... 5-23 5.14.2 Power Button... 5-24 5.14.3 Bezel Blank ... 5-25 5.14.4 Compaq Logo... 5-26 5.15 Power Supply Assembly ... 5-27 5.15.1 Power Switch Assembly... 5-27 5.15.2 Power Supply ... 5-29 5.16 Mass Storage Devices ...
Page 9 6.16 Front Bezel Assembly... 6-25 6.16.1 Front Bezel ... 6-25 6.16.2 Power Button... 6-26 6.16.3 Bezel Blank ... 6-27 6.16.4 Compaq Logo... 6-28 6.17 Power Supply Assembly... 6-29 6.17.1 Power Supply Switch Assembly ... 6-29 6.17.2 Power Supply ... 6-31 6.18 LED Cable ...
Page 10 appendix A Connector Pin Assignments ... A-1 appendix B Power Cord Set Requirements General Requirements... B-1 Country-Specific Requirements ... B-2 appendix C Hard Drives Device 0/Device 1 Relationship... C-1 Cable Select... C-1 SMART ... C-2 Automatic Soft-Drive Types ... C-2 appendix D SCSI Guidelines ...
Page 11: About This Guide
Compaq Deskpro 2000 Series of Personal Computers. Only authorized technicians trained by Compaq should attempt to repair this equipment. Compaq Computer Corporation reserves the right to make changes to the Compaq Deskpro 2000 Series of Personal Computers without notice.
Page 12: Technician Notes
Technician Notes WARNING: Only authorized technicians trained by Compaq should attempt to repair this equipment. All troubleshooting and repair procedures are detailed to allow only subassembly/module level repair. Because of the complexity of the individual boards and subassemblies, no one should attempt to make repairs at the component level or to make modifications to any printed wiring board, Improper repairs can create a safety hazard.
Page 13: Product Description
RODUCT ESCRIPTION This chapter describes the model offerings and features of the Compaq Deskpro 2000 Series of Personal Computers. Figure 1-1. Compaq Deskpro 2000 Series Personal Computer Compaq Deskpro 2000 Series of Personal Computers...
Page 14: Compaq Deskpro 2000 Series Of Personal Computer Models
1.1 Compaq Deskpro 2000 Series of Personal Computer Models The Compaq Deskpro 2000 Series of Personal Computers is available in both desktop and minitower configurations. This series of personal computers uses the Intel family of Pentium processors consisting of the Intel Pentium processor and the Intel Pentium II processor. Both processors utilize MMX technology.
Page 15: Features
1.2 Features The Compaq Deskpro 2000 Series of Personal Computers have the following standard features: 1.2.1 Pentium System Feature Summary Intel Pentium Processor with MMX technology running at speeds of 166, 200, and 233 megahertz 256-KB (L2) cache secondary standard, expandable to 512-KB...
Page 16: Features Common To Both
One internal 3.5-inch, one-third height drive bay Three external 5.25-inch, one-half height drive bays Compaq Business Pro 16-bit audio board and an enhanced speaker installed on select models Hard drive fault protection standard on all SMART II hard drives Compaq Enhanced Keyboard, featuring the Microsoft Windows–specific keys...
Page 17: System Design
1.3.1 Design Overview The desktop models of the Compaq Deskpro 2000 Series of Personal Computers have a conventional design that uses a pan-type chassis to house the system board, expansion cards, power supply, and mass storage devices. The chassis is supplemented by a riser board attached to the riser brace. The riser board provides a mounting location for the expansion cards.
Page 18: System Board
1.3.2 System Board The desktop and minitower models of the Compaq Deskpro 2000 Series of Personal Computers have a single system board configuration. The Pentium system board uses an Intel Pentium processor. The Pentium II system board uses the Intel Pentium II processor. The processors are designed using MMX technology.
Page 19: Graphics Controllers
Up to four PCI/IDE (EIDE) devices on the PCI bus or four Ultra ATA devices Ultra ATA Mode 2 support SDRAM and EDO DIMM support ECC DIMM support Compaq Deskpro 2000 Series of Personal Computers...
Page 20: System I/O
BIOS automatically configures interrupts, I/O space, and PCI devices. If problems arise or you wish to reconfigure the device, refer to Chapter 2, “Compaq Utilities,” which explains how to use the Setup program. The PCI auto-configuration program complies with version 2.1 of the PCI BIOS specification.
Page 21: Expansion Slots
The flash upgrade process can be accomplished by running a utility from a diskette, a hard drive, or over a network. The section on Flash ROM in Chapter 2, “Compaq Utilities,” explains how to run the BIOS upgrade utility.
Page 22: System Security
The Pentium computer configurations are shipped with Windows 95 installed as the operating system. The Pentium II configurations ship with Windows NT 4.0 as the operating system. Preloaded Software The following Compaq software is preloaded on the computer: Partition-based Compaq Diagnostics utilities Compaq Diagnostics for Windows...
Page 23: Ordering Additional Operating System Drivers
The annual subscription provides continuous access to the latest Compaq Deskpro software drivers, utilities, and ROM revisions. When calling Compaq to place an order, be sure to have the serial number of the computer available. The location of the serial number is shown in Chapters 5 and 6 for the desktop and minitower computers respectively.
Page 24: Intelligent Manageability
System board revision level Hard drive model and serial number DIMM serial number, model, and speed Configuration Management Compaq has made the task of locating, accessing, evaluating, and installing the latest support software easier. Configuration Management includes: Remote ROM flash Remote security management...
Page 25 Integration Management Compaq standardizes system manageability and provides access to PC configuration with its Integration Management solution. Through hardware and software instrumentation that supports the Desktop Management Interface (DMI) framework as established by the Desktop Management Task Force (DMTF), Integration Management delivers: DMI compliance, DMI 2.0 support...
Page 26: Desktop Computer Features
1.4 Desktop Computer Features The Compaq Deskpro 2000 Series of Personal Computers ships with a mouse and keyboard. A Compaq color monitor or other compatible monitor, which is also required to operate the computer, does not ship with the computer.
Page 27: Drive Positions
1.4.2 Drive Positions Figure 1-3. Drive Positions on the Compaq Deskpro 2000 Desktop Computer The computer has space available for up to five mass storage devices. They may be installed in various configurations, including those shown in the following table.
Page 28: Rear Panel Connectors
1.4.3 Rear Panel Connectors Rear panel connectors on your desktop computer are color-coded and include icons to help you identify their functions. Figure 1-4. Rear Panel Connectors Ref. Component Power Cord Connector Microphone Connector* Line-In Audio Connector* Line-Out Audio Connector* Connects an external audio output device, such as powered speakers, or a cassette tape Headphone Connector* Voltage Select Switch Serial Connector...
Page 29: Minitower Computer Features
1.5 Minitower Computer Features The Compaq Deskpro 2000 Minitower Personal Computer comes with a mouse and keyboard. Not supplied is a Compaq color monitor or other compatible monitor, which is required to operate your computer. 1.5.1 Front Panel Lights and Controls Figure 1-5.
Page 30: Drive Positions
1.5.2 Drive Positions The computer has space available up to five mass storage devices. The devices may be installed in various configurations, including those shown in the table below. Figure 1-6. Drive Positions on the Minitower Computer 1-18 Product Description...
Page 31 To verify the type, size, and capacity of the mass storage devices installed in the computer, run Compaq Diagnostics for Windows, or run the View System Information (INSPECT) utility available at computer startup. Refer to Chapter 2, "Compaq Utilities," for more information.
Page 32: Rear Panel Connectors
1.5.3 Rear Panel Connectors The following illustration shows the rear panel connectors of the minitower computer. Each connector includes an icon to help you identify its function. Figure 1-7. Rear Panel Connectors 1-20 Product Description...
Page 33 Connects a microphone for recording sound and voice. Connects an external audio input device. Connects an external audio output device, such as powered speakers, or a cassette tape recorder. Connects headphones (not suitable for unpowered speakers). Compaq Deskpro 2000 Series of Personal Computers 1-21...
Page 34: Enhanced Keyboard
1.6 Enhanced Keyboard The enhanced keyboard features Windows-specific keys: Keyboard layout may vary by country. Figure 1-8. Enhanced Keyboard 1-22 Product Description...
Page 35 Pressing the up or down arrow key will move the cursor up or down one line at a time. These keys act as they do on a calculator style keypad. Holding down Ctrl and Alt while pressing Delete restarts the computer. Compaq Deskpro 2000 Series of Personal Computers 1-23...
Page 36: Options
The keyboard has feet on the bottom that enable the user to tilt the keyboard to a more comfortable typing angle. Figure 1-9. Keyboard Tilt Foot 1.7 Options The options that are available from Compaq for the Compaq Deskpro 2000 Series of Personal Computers are described briefly in the following sections. 1.7.1 Cache Upgrade The L2 cache on the Pentium system may be upgraded from 256 KB to 512 KB by means of an optional cache module.
Page 37: Monitor Options
SCSI PD-CD drive: 4X speed (requires a SCSI controller board) EIDE PD-CD drive: 8X speed 1.7.5 Monitor Options The following monitor options are available from Compaq for the Compaq Deskpro 2000 Series of Personal Computers: Compaq 140 Color Monitor (NA) Compaq P50 Color Monitor...
Page 38: Pd-Cd Drive
2X speed and reads at 4X speed. The interface is internal SCSI. Also available from Compaq is a 8X EIDE PD-CD drive. This device is also a 5.25-inch, half-height, tray-load device that uses phase-change dual technology to simultaneously erase and write on the media.
Page 39: Compaq Utilities
OMPAQ TILITIES This chapter contains descriptions of Compaq utilities that can be helpful when servicing the Compaq Deskpro 2000 Series of Personal Computer. These utilities include: Configuration and Diagnostics ROMPaq Compaq Intelligent Manageability Compaq Insight Manager Prefailure Warranty See Appendices E, F, and G for error codes, error messages, and other troubleshooting techniques.
Page 40: Create A Diagnostics Diskette
Accessing the Compaq Utilities Menu from the Hard Drive To access the Compaq Utilities menu at startup from the hard drive, complete the following steps: 1. Turn on or restart the computer. If Windows 95 is running, select Start, Shut Down, Restart the computer.
Page 41: Computer Setup
4. Press Enter at the Welcome to Compaq Utilities screen. 5. The Compaq Utilities menu listing is displayed. Use the arrow keys or the mouse to highlight the desired menu item and then press the Enter key to select the item. You are prompted through any procedure that you select.
Page 42: Quick Boot
2. Under System Information, select the Processor icon. 3. Find “Bus Priority.” 4. Select ISA or PCI. Selecting ISA disables passive release, giving ISA devices priority. Selecting PCI enables passive release, giving PCI devices priority. Compaq Utilities Table 2-1 Built-In Devices Configuration Option Sub-Menu Button...
Page 43: Security Features
Lists available serial ports and settings. Allows you to disable serial ports by selecting Disable from the resources list. Lists available parallel port and settings. Allows you to disable serial ports by selecting Disable from the resources list. Compaq Deskpro 2000 Series of Personal Computers...
Page 44: Establishing A Power-On Password Using Computer Setup
For security reasons, the characters you type do not appear on the screen. Completing this procedure causes the new password to take effect the next time you turn on the computer. Compaq Utilities ) appears on the monitor. To establish a power-on ) appears on the monitor, enter your current password.
Page 45: Deleting A Power-On Password
é German * For Bosnia-Herzegovina, Croatia, Slovenia, and Yugoslavia Table 2-5 Greek Hungarian Italian Japanese Korean Latin American Norwegian Polish Portuguese Russian Compaq Deskpro 2000 Series of Personal Computers Slovakian Spanish Swedish/Finnish Swiss Taiwanese Thai Turkish U.K. English U.S. English...
Page 46: Clearing The Password
5 and 6. To clear or disable the power-on password, move the jumper to pins 6 and 7. Figure 2-1. Locating the Password Header on the Pentium System Board Figure 2-2. Locating the Password Header on the Pentium II System Board Compaq Utilities...
Page 47: Quicklock/Quickblank
To enable the keyboard and input device connected to the mouse connector, enter the password. For security reasons, the characters you type do not appear on the screen. The application will not be affected by the characters typed. Compaq Deskpro 2000 Series of Personal Computers...
Page 48: Computer Checkup (Test)
TEST is optional, but recommended, after you install or connect a new device. To save, print, or display the information generated by TEST. It is recommended that you run TEST and have the printed report available before placing a call to the Compaq Customer Support Center.
Page 49: View System Information (Inspect)
To view information about the system once it has been configured. To save, print, or display the information generated by INSPECT. It is recommended that you run INSPECT and have the printed report available before placing a call to the Compaq Customer Support Center.
Page 50: Create A Diagnostics Diskette
6. Follow the screen prompts to exit the utility. 2.5 Create a Diagnostics Diskette This option from the Compaq Utilities menu will allow you to create a set of diagnostics and setup diskettes from the software preinstalled on the hard drive. Three diskettes are required for this option: two for Setup and one for Diagnostics.
Page 51: Exiting The Compaq Utilities Menu
2.7 Exiting the Compaq Utilities Menu To exit the Compaq Utilities menu, select the Exit option or press Ctrl+Alt+Delete. Either option restarts the computer and saves any changes you've made. 2.8 Compaq Enhanced Insight Personal Edition (Diagnostics for Windows) Compaq Enhanced Insight Personal Edition (Compaq Diagnostics for Windows) utility contains the same functionality as the partition-based INSPECT program but in a Windows environment.
Page 52: Rompaq
Refer to Appendix F for POST error messages and recommended courses of action. 2.10 ROMPaq The Compaq Deskpro 2000 Series of Personal Computer comes with reprogrammable Flash ROM (Read Only Memory). Flash ROM Lock, set to its default setting of OFF, protects the Flash ROM from being upgraded and the system BIOS from being updated.
Page 53: Compaq Intelligent Manageability
2.11 Compaq Intelligent Manageability Intelligent Manageability combines innovative hardware technology with PC LAN management tools from Compaq and other leading vendors to make Compaq desktop and portable computers easier to inventory, troubleshoot, protect, and maintain. Intelligent Manageability features focus on: „...
Page 54: Fault Management
When a fault occurs, the computer displays a Local Alert message containing a description of the fault and any recommended actions. You can then view current system health by using Compaq Insight Personal Edition. If the computer is connected to a network managed by Compaq Insight Manager or other simple network management protocol (SNMP)–based management products (e.g.,...
Page 55: Proactive Backup
As access to a network increases, so does the risk of unauthorized access to critical information and theft of valuable components. The Compaq personal computer provides a robust set of security features to protect the computer and data from unauthorized access.
Page 56: Configuration Management
QuickLock and QuickBlank can be set to lock the keyboard and/or blank the monitor screen when the PC goes into low power mode. Security management settings can be viewed locally using Compaq Insight Personal Edition or remotely using Compaq Insight Manager.
Page 57: Using Remote Rom Flash
Using Remote ROM Flash Remote ROM Flash allows the system administrator to safely upgrade the ROM on remote Compaq Deskpro personal computers, directly from the centralized network management console. Enabling the system administrator to perform this task remotely, on multiple computers, results in a consistent deployment of and greater control over Deskpro ROM images over the network.
Page 58: Failsafe Boot Block Rom
If a Setup Password has been established, the Caps Lock light will turn on. 4. Enter the Setup Password. When the system successfully starts from the diskette and reprograms the ROM, the three keyboard lights will turn on. 2-20 Compaq Utilities...
Page 59 ROM upgrade failed. Try another ROMPaq diskette. If the light remains turned on, contact Compaq customer support. ROM upgrade successfully completed. Turn power off and back on to resume normal system operation. Compaq Deskpro 2000 Series of Personal Computers 2-21...
Page 60: Remote Security Management
For help on specific features provided by the Computer Setup, click Help. Power Management Use Computer Setup, accessible through the Compaq Utilities menu, to establish, modify, or disable Power Management features. Disable monitor timeouts in Computer Setup first, then establish the settings in Windows 95, to avoid potential conflicts.
Page 61: Compaq Integrated Software
Compaq Deskpro platforms ensuring cross-compatibility and backward-compatibility. The resulting solution enables customers to manage and control ongoing software maintenance costs. The UDM is available on the Support Software CD for Compaq Desktop, Portable, and Workstation Products and the Compaq World Wide Web site (www.compaq.com).
Page 62: Integration Management
The CD or backup diskettes can be ordered from Compaq. When calling Compaq to place an order, be sure to have the serial number of your computer available. The location of the serial number is shown in Chapters 5 and 6 for the desktop and minitower models respectively.
Page 63 Computers information from a central location. The partnership ensures that the benefits of Intelligent Manageability are accessible through a broad range of vendors. This allows customers to use their tools of choice to remotely manage their Compaq Deskpro computers more confidently and cost effectively.
Page 64: Protecting Your Software
Compaq at nominal cost, or you can make your own set. 2.12.1 Ordering Backup Diskettes You can order backup diskettes from Compaq for all of the software preinstalled on your computer. You can order all software as a single set, or you can order the various software packages separately.
Page 65: Restoring Your Hard Drive In Windows 95
10. Follow the instructions that appear on the screen until the installation is complete. 2.13 Prefailure Warranty The Prefailure Warranty is standard for select components of all Compaq Monsters Series of Personal Computers. It extends the Compaq three-year, limited warranty by applying it to critical system components before they actually fail.
Page 66: Illustrated Parts Catalog
LLUSTRATED ARTS ATALOG This chapter provides an illustrated parts breakdown and a reference for spare parts for the Compaq Deskpro 2000 Series of Personal Computers. Figure 3-1. Compaq Deskpro 2000 Series Personal Computer Compaq Deskpro 2000 Series of Personal Computers...
Page 67: System Unit
3.1 System Unit Figure 3-2. System Unit, Desktop Illustrated Parts Catalog...
Page 68 3. Logo kit (includes logos for all models) 4. Power supply ncludes fan, power switch, and 2 power switch mounting brackets) 5. Chassis base pan (shown for reference only) Table 3-1 Spare Part Number 243089-001 243088-001 247525-001 278756-001 Compaq Deskpro 2000 Series of Personal Computers Warranty Tier...
Page 69 Figure 3-3. System Unit, Minitower Illustrated Parts Catalog...
Page 70 6. Power supply Includes fan, power switch, and 2 power switch mounting brackets) 7. Chassis base pan (shown for reference only) Table 3-2 Spare Part Number 185972-001 185971-001 247378-001 247525-001 243190-001 278756-001 Compaq Deskpro 2000 Series of Personal Computers Warranty Tier...
Page 71: Mass Storage Devices
3.2 Mass Storage Devices Figure 3-4. Mass Storage Devices Illustrated Parts Catalog...
Page 72 Table 3-3 Mass Storage Devices Spare Part Number Warranty Tier 278745-001 296679-001 278746-001 166526-001 247409-001 247408-001 278287-001 296679-001 278288-001 278297-001 160788-201 263709-002 294158-001 184691-201 185951-001 278791-001 278026-001 142074-201 294126-001 131167-001 131148-001 294140-001 186075-001 186076-001 Compaq Deskpro 2000 Series of Personal Computers...
Page 73: Cables
3.3 Cables Figure 3-5. Cables Illustrated Parts Catalog...
Page 74 8. Cable, CD-ROM audio 9. Cable, Dual Ultra ATA* 10. Miscellaneous MPEG1 cable kit *Not shown. Table 3-4 Cables Spare Part Number Warranty Tier 243084-001 243085-001 121258-001 243095-001 243110-001 247568-001 148259-001 171109-001 278296-001 340572-001 Compaq Deskpro 2000 Series of Personal Computers...
Page 75: Standard And Optional Boards
3.4 Standard and Optional Boards Figure 3-6. Optional Boards 3-10 Illustrated Parts Catalog...
Page 76 22. Millennium II PCI video board* 23. Ultra SCSI controller (PCI)* 24. Plug and Play SCSI-2 controller (ISA)* 25. 33.6-K data/fax modem (US)* 26. Compaq Netelligent Corporate Communicator board (NA only)* 27. ISDN modem* 28. Compaq Enhanced Business Pro Audio ESS 1868 * Not shown.
Page 77: Standard And Optional Boards
3.4 Standard and Optional Boards Continued Figure 3-7. System and Riser Boards 3-12 Illustrated Parts Catalog...
Page 78 2. Minitower system boards are spared mounted in the system board tray. Spare Part Number Warranty Tier 106886-002 265617-001 265618-001 242501-001 292857-001 169849-001 199764-001 265436-001 268010-001 301211-001 192768-001 278747-001 278258-001 278799-001 278259-001 278006-001 243057-001 Compaq Deskpro 2000 Series of Personal Computers 3-13...
Page 79: Keyboards
3.5 Keyboards Figure 3-8. Keyboard Description 1 Keyboard (Domestic)* 2. Keyboard (Arabic)* 3. Keyboard (Belgian)* 4. Keyboard (BHCSY)* 5. Keyboard (Brazilian)* 6. Keyboard (Czech)* 7. Keyboard (Danish)* 8. Keyboard (Finnish)* 9. Keyboard (French Canadian)* 10. Keyboard (French)* 11. Keyboard (German)* 12.
Page 80 42. Keyboard, Visioneer (UK English)* *Not shown. Spare Part Number Warranty Tier 166514-131 166514-251 166514-231 166514-071 166514-101 166514-111 166514-AB1 166514-281 166514-141 166514-031 185288-318 185288-335 185288-301 185288-305 185288-304 185288-302 185288-306 185288-319 185288-316 185288-307 185288-311 185288-303 Compaq Deskpro 2000 Series of Personal Computers 3-15...
Page 81: Monitors
3.6 Monitors Figure 3-9. Monitors 3-16 Illustrated Parts Catalog...
Page 82 Table 3-7 Monitors Spare Part Number Warranty Tier 210507-601 264202-001 264202-004 264202-021 264202-B21 255652-001 255652-B23 284959-001 284959-B23 307409-001 307409-004 307409-B21 264152-001 264152-004 264152-021 264152- B21 255609-001 255609-004 255638-021 255638-B21 255638-B22 255638-B23 Compaq Deskpro 2000 Series of Personal Computers continued 3-17...
Page 83 Table 3-7 continued Description 24. Compaq TFT500 15.1-inch Flat Panel (repair parts listed below) Power supply* Monitor base* Cable access cover* Rear enclosure* Shield/support bracket* Controller assembly* TFT-LCD panel assembly* Backlight bulbs (2 each)* Protective cover* Front bezel assembly Security locking bracket*...
Page 84: Miscellaneous Hardware Kit
3. Screw, M3, TT, wafer head (6 each) 4. Thumb screw (3 each) 5. Screw, M3, TT, H/TOP, S151P X 6.5 (5 each) Table 3-8 Miscellaneous Hardware Kit Spare Part Number Warranty Tier 243087-001 Compaq Deskpro 2000 Series of Personal Computers 3-19...
Page 85: Miscellaneous Plastics Kit
3.8 Miscellaneous Plastics Kit Figure 3-11. Miscellaneous Plastics Kit, Desktops Description Miscellaneous plastics kit, includes: 1. Bezel blank, 1/2 height (1 each) 2. Power button (2 each: 1 DC, 1 AC) 3. Spring (1 each) 4. Plastic grommets (2 each for LED cable) 5.
Page 86 5. Air duct (for Pentium II minitower systems only) 6. Guide, Option Card (1 each) 7. Rubber feet (4 each) 8. AC/DC switch cap RTF card* * Not shown. Table 3-10 Spare Part Number Warranty Tier 243107-001 Compaq Deskpro 2000 Series of Personal Computers 3-21...
Page 87: Miscellaneous Parts
3.9 Miscellaneous Parts Figure 3-13. Miscellaneous Metals Kit, Desktops Description Miscellaneous metals kit, includes: 1. Diskette/hard drive cage 2. Riser brace 3-22 Illustrated Parts Catalog Table 3-11 Miscellaneous Metals Kit, Desktops Spare Part Number Warranty Tier 243185-001...
Page 88 11. Heat sink, Pentium II processor (w/ 1 thermal pad)* * Not shown. Table 3-12 Miscellaneous Parts Spare Part Number Warranty Tier 141189-401 160274-001 243128-001 247508-001 278266-001 173066-001 268247-001 243230-001 243231-001 294122-001 278264-001 Compaq Deskpro 2000 Series of Personal Computers 3-23...
Page 89: Shipping Boxes
Figure 3-15. Power Switch Kit Description Power switch kit, includes: 1. Power switch (5 each) 2. Desktop mounting bracket (5 each) 3. Minitower mounting bracket (5 each) 3.10 Shipping Boxes Description Shipping box, final - desktop (5 each)* Shipping box, generic - desktop (5 each) Shipping box, final - minitower (5 each)* Shipping box, generic - minitower (5 each) Packing cushion, desktop...
Page 90: Documentation
Windows NT 4.0 Workstation User’s Guide (Swedish) * English only. Table 3-15 Documentation Spare Part Number Warranty Tier 278041-001 278042-001 210414-001 143395-001 143533-003 243047-001 244728-081 244728-001 244728-351 244728-051 244728-041 244728-061 244728-191 244728-161 244728-331 244728-091 244728-101 Compaq Deskpro 2000 Series of Personal Computers 3-25...
Page 91: Software
Mouse Driver Kit (Spanish) Mouse Driver Kit (US/UK) * International spares are not available from Houston. North American customers can order backup sets of all software on diskette format from the Compaq Order Center. 3-26 Illustrated Parts Catalog Table 3-16...
Page 92 Spare Part Number Warranty Tier 274986-001 125873-001 196004-001 276067-201 276067-221 276067-081 276067-331 276067-001 276067-351 276067-051 276067-041 276067-211 276067-061 276067-291 276067-091 276067-241 276067-131 276067-251 276067-071 276067-101 276067-281 196012-001 183986-001 274987-001 137906-0XX† 137907-0XX† 183463-001 Compaq Deskpro 2000 Series of Personal Computers continued 3-27...
Page 93 NT Diagnostics (Portuguese) NT Diagnostics (Spanish) * International spares are not available from Houston. North American customers can order backup sets of all software on diskette format from the Compaq Order Center. 3-28 Illustrated Parts Catalog Spare Part Number Warranty Tier...
Page 94: Removal And Replacement Prelinimaries
Typical Electrostatic Voltages 35,000 V 12,000 V 6,000 V 2,000 V 11,500 V 14,500 V 26,500 V 21,000 V Compaq Deskpro 2000 Series of Personal Computers Relative Humidity 15,000 V 7,500 V 5,000 V 3,000 V 800 V 400 V 700 V...
Page 95: Preventing Electrostatic Damage To Equipment
4.1.2 Preventing Electrostatic Damage to Equipment Many electronic components are sensitive to ESD. Circuitry design and structure determine the degree of sensitivity. The following proper packaging and grounding precautions are necessary to prevent damage to electric components and accessories. „ To avoid hand contact, transport products in static-safe containers such as tubes, bags, or boxes.
Page 96: Grounding Workstations
Conductive bins and other assembly or soldering aids „ Conductive foam „ Conductive tabletop workstations with ground cord of one-megohm resistance „ Static-dissipative table or floor mats with hard tie to ground „ Field service kits „ Static awareness labels Compaq Deskpro 2000 Series of Personal Computers...
Page 97: Routine Care
„ Wrist straps and footwear straps providing one-megohm +/- 10% resistance „ Material handling packages „ Conductive plastic bags „ Conductive plastic tubes „ Conductive tote boxes „ Opaque shielding bags „ Transparent metallized shielding bags „ Transparent shielding tubes 4.2 Routine Care 4.2.1 General Cleaning Safety...
Page 98: Cleaning The Keyboard
Clean the mouse ball by first removing the retaining plate and the ball from the housing. Pull out any debris from the ball socket and wipe the ball with a clean dry cloth before reassembly. „ To clean the mouse body, follow the procedures in Section 4.2.2. Compaq Deskpro 2000 Series of Personal Computers...
Page 99: Service Considerations
If an incorrect screw is used during the reassembly process, it can damage the unit. Compaq strongly recommends that all screws removed during disassembly be kept with the part that was removed, then returned to their proper locations.
Page 100: Hard Drives
Plastic parts can be damaged by the use of excessive force during disassembly and reassembly. When handling the plastic parts, use care. Do not use a screwdriver or similar tool to pry apart the plastic components; use the case utility tool provided in the Compaq tool kit PN 100767-001. 4.3.6...
Page 101: Removal And Replacement Procedures - Desktop
5.1 Serial Number The computer serial number should be provided to Compaq when requesting information or ordering spare parts. The serial number is displayed on the right side of the system unit cover towards the front 1, and also on the rear of the chassis above the fan 2.
Page 102: Disassembly Sequence Chart
Riser Brace 5.12 Expansion Board Guide Replacement Battery Front Bezel 5.14.2 Power Button 5.14.3 Bezel Blank 5.14.4 Compaq Logo 5.15.1 Power Switch Assembly 5.15.2 Power Supply 5.16 Mass Storage Devices 5.17 Drive Cage 5.9.3 Microprocessor (for Pentium II, remove expansion boards also) 5.9.4...
Page 103: Preparation For Disassembly
During disassembly, label each cable as you remove it, noting its position and routing. Keep all screws with the units removed. CAUTION: The screws used in the computer are of different thread sizes and lengths; using the wrong screw in an application may damage the unit. Compaq Deskpro 2000 Series of Personal Computers...
Page 104: Feet
5.4 Feet Four rubber feet are mounted to the underside of the chassis. If necessary, remove the old feet and scrape the residue of the old feet from the chassis using a small, flat-bladed screwdriver. To attach replacement feet to the chassis, remove the protective strip from the adhesive on the back of the new feet and press them into place.
Page 105: Cable Lock
Install a cable lock (not provided) to secure the computer to an immovable location. Figure 5-3. Installing the Cable Lock To remove the cable lock provision, reverse the above procedure. Compaq Deskpro 2000 Series of Personal Computers...
Page 106: System Unit Cover
5.6 System Unit Cover To remove the system unit cover, complete the following steps: 1. Prepare the computer for disassembly (Section 5.3). 2. Remove the thumbscrews at the rear of the computer to release the cover. You may need a flat- bladed screwdriver to loosen a stubborn screw.
Page 107: Speaker
To remove the speaker, complete the following steps: 1. Remove the system unit cover (Section 5.6). 2. Disconnect the speaker cable from the audio expansion board. Figure 5-5. Disconnecting the Speaker Cable from the Audio Expansion Board Compaq Deskpro 2000 Series of Personal Computers...
Page 108 3. Unsnap the speaker-retaining clip 1 on the right side (from the front of the chassis) of the drive bay and remove the speaker 3. Figure 5-6. Removing the Speaker To replace the speaker, ensure that the cardboard insulator 2 is on the speaker; then, reverse the above procedure.
Page 109: Expansion Board
5.8 Expansion Board The desktop versions of the Compaq Deskpro 2000 Series of Personal Computers have five expansion slots: three on the outboard side of the riser board and two on the inboard side. Figure 5-7. Five Expansion Slots on the Desktop Computer 1 One PCI/ISA expansion slot on the outboard side of the riser board in the uppermost position.
Page 110: Inboard Expansion Board
5.8.1 Inboard Expansion Board To remove an inboard expansion board, complete the following steps: 1. Remove the system unit cover (Section 5.6). 2. Remove the retaining screw and board retainer bracket that secure the board to the rear of the computer chassis.
Page 111: Outboard Expansion Board
If you are installing an expansion board for the first time, remove the slot cover before installing the board. When the computer starts, it should automatically recognize the added Plug and Play board. Compaq Deskpro 2000 Series of Personal Computers 5-11...
Page 112: System Board Components
5.9 System Board Components 5.9.1 Memory Modules Memory may be expanded by adding one or more DIMMs at a time onto the system board. CAUTION: Static electricity can damage the electronic components of the computer or optional boards. Before beginning these procedures, ensure that you are discharged of static electricity by briefly touching a grounded metal object.
Page 113: System Board Graphics Memory Module Upgrade
Figure 5-11. Installing the Graphics Memory Upgrade Module on the Pentium System Board Figure 5-12. Installing the Graphics Memory Upgrade Module on the Pentium II System Board 4. Replace any outboard expansion boards that were removed. 5. Replace the system unit cover. Compaq Deskpro 2000 Series of Personal Computers 5-13...
Page 114: Microprocessor
6. Turn the computer on and start Windows 95. 7. Select the display icon in Windows 95 and follow the online instructions to take advantage of the additional display modes available with the upgraded memory. To remove, reverse the above procedure. 5.9.3 Microprocessor Pentium System Board...
Page 115 4. Install the heat sink 2 and the heat sink retaining clip 1. 5. Replace the drive cage. 6. Replace the front bezel. 7. Replace any expansion boards that were removed. 8. Replace the system unit cover. Compaq Deskpro 2000 Series of Personal Computers 5-15...
Page 116 Pentium II System Board To remove the microprocessor from the Pentium II system board, complete the following steps: : 1. Remove the system unit cover (Section 5.6). 2. Remove any expansion boards that might block access to the microprocessor (Section 5.8.1 and/or 5.8.2).
Page 117: Cache Memory (Pentium System Only)
7. Replace the system unit cover. When the computer starts up, it will recognize the cache memory upgrade and automatically reconfigure the computer. To remove an optional cache board, reverse the above procedure. Compaq Deskpro 2000 Series of Personal Computers 5-17...
Page 118: Riser Board
5.10 Riser Board To remove the riser board, complete the following steps: 1. Remove the system unit cover (Section 5.6). CAUTION: Power must be off at least 30 seconds before beginning disassembly. 2. Remove all expansion boards (Section 5.8). 3. Remove the two screws that secure the riser board to the riser brace. 4.
Page 119: Riser Brace
4. Remove the two screws that secure the riser brace to the chassis; then, lift the brace straight up. Figure 5-17. Removing the Riser Brace To reinstall the riser brace, reverse the above procedure. Compaq Deskpro 2000 Series of Personal Computers 5-19...
Page 120: Expansion Board Guide
5.12 Expansion Board Guide To remove the expansion board guide, complete the following steps: 1. Remove the system unit cover (Section 5.6). 2. Remove all outboard expansion boards that may interfere with this operation (Section 5.8). 3. Push down on the plastic clip 1 on the top of the board guide 2 to release it; then pivot the guide down 2 and pull it out.
Page 121: Replacement Battery
The battery is soldered into place and may not be removed. Do not abuse or disassemble. Use only replacement batteries supplied by Compaq Computer Corporation. It is important to make a set of backup diagnostic diskettes before you install a new battery.
Page 122 To avoid the risk of electrical shock or damage to the equipment, do not disable this feature. 7. Turn on the computer. 8. Run the computer Setup utility to reconfigure the system. Refer to Chapter 2, “Compaq Utilities.” 5-22 Removal and Replacement Procedures - Desktop...
Page 123: Front Bezel Assembly
To install the front bezel, reverse the above procedure. Ensure that the hinge points at the top of the bezel and the release latches at the bottom of the bezel are properly positioned before latching the bezel into place. Compaq Deskpro 2000 Series of Personal Computers 5-23...
Page 124: Power Button
5.14.2 Power Button To remove the power button, complete the following steps: 1. Remove the system unit cover (Section 5.6). 2. Remove the front bezel (Section 5.14.1). 3. Hold the front bezel in one hand with the inside surface towards you. 4.
Page 125: Bezel Blank
4. Rotate the bezel blank up and out of the front bezel. Figure 5-23. Removing the Bezel Blank To reinstall the bezel blank, reverse the above procedure. Compaq Deskpro 2000 Series of Personal Computers 5-25...
Page 126: Compaq Logo
5.14.4 Compaq Logo To remove the Compaq logo from the front bezel, complete the following steps: 1. Remove the system unit cover (Section 5.6). 2. Remove the front bezel (Section 5.14.1). 3. From the inside of the front bezel, use a small screwdriver at the hole shown in the figure to push the logo out of its recess.
Page 127: Power Supply Assembly
Squeeze the tab toward the top of the holder. While squeezing the tab, push the holder down 2 and out of the chassis. Figure 5-25. Removing the Power Switch 4. Remove the wires from the switch. Compaq Deskpro 2000 Series of Personal Computers 5-27...
Page 128 To install the power switch assembly, complete the following steps. 1. Install a new power switch into a new switch holder. To install the power switch into the switch holder: Insert the switch into the back of the holder. Push the switch until it snaps into place. Figure 5-26.
Page 129: Power Supply
6. Slide the power supply towards the front of the computer and lift up to remove it from the chassis. Figure 5-27. Removing the Power Supply To replace the power supply, reverse the above procedure. Compaq Deskpro 2000 Series of Personal Computers 5-29...
Page 130: Mass Storage Devices
5.16 Mass Storage Devices This section discusses the removal and replacement procedures for the mass storage devices that are supported on the Deskpro 2000 Series of Personal Computers. Refer to Chapter 1, Section 1.4.2, “Drive Positions.” 5.16.1 3.5-Inch Drive Bays To remove a 3.5-inch drive from either of the 3.5-inch drive bays, complete the following steps:...
Page 131 CAUTION: When servicing the computer, ensure that cables are placed in their proper locations during the reassembly process. Improper cable placement can damage the computer. CAUTION: Use only 3/16-inch or 5-mm long screws as guide screws. Longer screws can damage the internal components of the drive. Compaq Deskpro 2000 Series of Personal Computers 5-31...
Page 132 5.16.2 5.25-Inch Drive Bays The 5.25-inch drive bays may be occupied by diskette drives, hard drives, CD-ROM drives, PD-CD drives, LS-120 drives, or tape drives. Removal of a CD-ROM drive is shown. CAUTION: All removable media should be taken out of the drives before removing the drive from the computer.
Page 133 The wafer screw is on the left side of the drive at the front. To replace the 5.25-inch drive, reverse the above procedures. When installing a second diskette drive, it is necessary to configure the computer using Computer Setup. Compaq Deskpro 2000 Series of Personal Computers 5-33...
Page 134: Installing A New Drive
5.16.3 Installing a New Drive When installing a new drive, you should use either the wafer screws provided in the option kit or the extra U.S. or metric screws, both of which types are stored in the front of the computer chassis for this purpose.
Page 135 If you are installing a 3.5-inch diskette drive into a 5.25-inch drive bay, use Compaq bracket spare part number 243230-001, which comes with a preinstalled bezel. If you are installing a 3.5-inch hard drive into a 5.25-inch drive bay, use Compaq bracket spare part number 243231-001.
Page 136 8. Install the front bezel (Section 5.14.1). 9. Install the system unit cover (Section 5.6). 10. The system will automatically recognize a hard drive sold by Compaq or any other Plug and Play hard drives and will automatically reconfigure the computer.
Page 137: Drive Cage
Figure 5-36. Removing the Drive Cage To replace the drive cage, reverse the above procedure. CAUTION: When replacing the drive cage, be careful that the LED cable does not get caught, pinched, or otherwise damaged. Compaq Deskpro 2000 Series of Personal Computers 5-37...
Page 138: Led Cable
5.18 LED Cable To remove the LED cable, complete the following steps:: 1. Remove the system unit cover (Section 5.6). 2. Remove the front bezel (Section 5.14.1). 3. Remove the drive cage (Section 5.17). 4. Disconnect the LED cable from the system board 1. Figure 5-37.
Page 139 LED with the white wire on the right. CAUTION: Ensure that the cable is pushed to the bottom of the chassis to avoid being damaged when reinstalling the drive cage. Compaq Deskpro 2000 Series of Personal Computers 5-39...
Page 140: System Board
5.19 System Board To remove the system board, complete the following steps: 1. Remove the system unit cover (Section 5.6). 2. Remove the expansion boards (Section 5-8). 3. Remove the riser board (Section 5.10). It is not necessary to remove the riser brace in order to remove the system board. If a replacement external battery is installed on the system board, do not unplug the battery from the system board connector as that will erase the CMOS.
Page 141 9. To remove the board from the chassis 2, move the board slightly toward the front of the chassis and lift up and out. Figure 5-39. Removing the Pentium System Board The riser brace has been removed for clarity. To install a new system board, reverse the above procedures. Compaq Deskpro 2000 Series of Personal Computers 5-41...
Page 142 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. 5-42 Removal and Replacement Procedures - Desktop...
Page 143: Removal And Replacement Procedures - Minitower
6.1 Serial Number The computer serial number should be provided to Compaq when requesting information or ordering spare parts. The serial number is displayed on the right side of the hood toward the front 1 and on the rear of the chassis above the expansion slots 2.
Page 144: Use The Chart Below To Determine The Disassembly Sequence For Removing Components From The
Replacement Battery (if short expansion board installed) ISA Option Board Retainer Front Bezel 6.6.2 J Hood 6.16.2 Power Button 6.16.3 Bezel Blank 6.16.4 Compaq Logo 6.17.1 Power Supply Switch Assembly 6.17.2 Power Supply 6.18 LED Cable 6.19.1 3.5-in Drive Bays 6.19.2...
Page 145: Preparation For Disassembly
To attach replacement feet to the chassis, remove the protective strip from the adhesive on the back of the new feet and press them into place. Figure 6-2. Installing the Feet Compaq Deskpro 2000 Series of Personal Computers...
Page 146: Cable Lock
6.5 Cable Lock To install the cable lock provision, complete the following steps: 1. Remove one thumbscrew from the rear of the computer. Use a flat-bladed screwdriver if needed. 2. Separate the pieces of the security bracket by bending the metal where the three pieces join. 3.
Page 147: Exposing The Chassis
3. Grasp the rear of the panel, pull it back about two to three inches (5 to 7 cm), pivot the top of the access panel out about one inch (2.5 cm), and lift the cover from the computer. Figure 6-4. Removing the Access Panel To replace the cover, reverse the above procedure. Compaq Deskpro 2000 Series of Personal Computers...
Page 148: Minitower J Hood
6.6.2 Minitower J Hood It is only necessary to remove the J hood if it has been damaged. To remove the J hood, complete the following steps: 1. Remove the access panel (Section 6.6.1) 2. Remove the front bezel (Section 6.16.1). 3.
Page 149: Riser Brace
To replace the riser brace, reverse the above procedure. When reinstalling the riser brace, fully seat the riser board attached to the case into the system board socket to ensure complete electrical contact. Compaq Deskpro 2000 Series of Personal Computers...
Page 150: Expansion Board
6.8 Expansion Board The Compaq Deskpro 2000 Series of Personal Computers contains five expansion slots on the expansion board. 1 Two dedicated PCI expansion slots 2 One PCI/ISA shared expansion slot 3 Two dedicated ISA expansion slots Figure 6-7. Five Expansion Slots on the Riser Board To remove an expansion board, complete the following steps: 1.
Page 151 If you are installing an expansion board for the first time in a slot, remove the retaining screw and the expansion board slot cover before installing the board. Figure 6-9. Removing the Expansion Slot Cover Compaq Deskpro 2000 Series of Personal Computers...
Page 152: Expansion Board Guide
6.9 Expansion Board Guide To remove the expansion board guide, complete the following steps: 1. Remove the access panel (Section 6.6.1). 2. Remove the riser brace (Section 6.7). 3. Remove the expansion boards (Section 6.8). 4. Grasp the board guide firmly, press in on the two tabs 1 in the center front of the board guide, and slide it to the right 2 to unsnap it from the front of the riser brace.
Page 153: Riser Board
4. Remove the screws that secure the riser board to the riser brace. 5. Tilt the riser board slightly away from the riser brace and pull up. Figure 6-11. Removing the Riser Board To replace the riser board, reverse the above procedure. Compaq Deskpro 2000 Series of Personal Computers 6-11...
Page 154: Speaker
6.11 Speaker To remove the speaker, complete the following steps: 1. Remove the access panel (Section 6.6.1). 2. Remove the riser brace (Section 6.7). 3. Disconnect the speaker cable from the audio board or the system board. 4. Remove the two speaker retaining screws. 5.
Page 155: System Board Components
For the location of the DIMM sockets on the system board, see Chapter 7. To replace a DIMM, reverse the above steps. When the computer starts up, it will recognize the system memory upgrade and automatically reconfigure the computer. Compaq Deskpro 2000 Series of Personal Computers 6-13...
Page 156: Microprocessor
6.12.2 Microprocessor Pentium System Board To remove the microprocessor from the Pentium system board, complete the following steps 1. Remove the access panel (Section 6.6.1). 2. Remove any cables attached to expansion boards on the riser assembly. CAUTION: When replacing the processor, you must release the heat sink retaining clip before you pull the ZIF socket handle.
Page 157 CAUTION: Do not remove the air duct from the front of the unit. If the air duct is not installed, the processor will run hot which can cause damage to the processor. Compaq Deskpro 2000 Series of Personal Computers 6-15...
Page 158 5. Press in on the processor module release latches 1 until they lock in the released position. 6. Pull the processor module away from the socket 2. Figure 6-15. Removing the Microprocessor from the Pentium II System Board For the location of the processor on the Pentium II system board, see Chapter 7. 7.
Page 159: Cache Memory (Pentium System Only)
Figure 6-16. Installing the Cache Memory Board, Pentium System Board For the location of the cache memory socket on the Pentium system board, see Chapter 7. 4. Install the riser brace. 5. Replace the access panel. Compaq Deskpro 2000 Series of Personal Computers 6-17...
Page 160: System Board Graphics Memory Module Upgrade
6.12.4 System Board Graphics Memory Module Upgrade To install a graphics memory module upgrade for the graphics controller that is preinstalled in the system board, complete the following steps: 1. Remove the access panel (Section 6.6.1). 2. Remove the riser brace (Section 6.7). 3.
Page 161: System Board
DIMMs. 4. Remove any DIMMs installed on the system board (Section 6.12.1). 5. Slide the system board tray out of the computer. Figure 6-19. Removing the Pentium System Board Compaq Deskpro 2000 Series of Personal Computers 6-19...
Page 162 Figure 6-20. Removing the Pentium II System Board To replace the system board, reverse the above procedure. 6-20 Removal and Replacement Procedures - Minitower...
Page 163 Figure 6-21. Pentium II System Board with Processor 1 and Air Duct 2 Installed Compaq Deskpro 2000 Series of Personal Computers 6-21...
Page 164: Replacement Battery
The battery is soldered into place and may not be removed. Do not abuse or disassemble. Use only replacement batteries supplied by Compaq Computer Corporation. It is important to make a set of backup diagnostic diskettes before you install a new battery.
Page 165 To avoid the risk of electrical shock or damage to the equipment, do not disable this feature. 9. Turn on the computer. 10. Run the computer Setup utility to reconfigure the system. Refer to Chapter 2, “Compaq Utilities.” Compaq Deskpro 2000 Series of Personal Computers 6-23...
Page 166: Isa Option Board Retainer
6.15 ISA Option Board Retainer To remove the ISA option board retainer, complete the following steps: 1. Remove the access panel (Section 6.6.1). 2. With the computer lying on its side, press down 1 on the end of the retainer, then lift 2 the retainer to remove it.
Page 167: Front Bezel Assembly
To replace the bezel, reverse the above procedure. Ensure that the hinge points at the side of the bezel and the release latches are properly positioned before latching the bezel into place. Compaq Deskpro 2000 Series of Personal Computers 6-25...
Page 168: Power Button
6.16.2 Power Button To remove the power button, complete the following steps: 1. Remove the access panel (Section 6.6.1). 2. Remove the front bezel (Section 6.16.1). 3. Hold the front bezel in one hand with the inside surface towards you. 4.
Page 169: Bezel Blank
3. Lay the front bezel face down on a protected work surface and remove the two screws that secure the bezel blank to the front bezel. 4. Remove the bezel blank from the front bezel. Figure 6-27. Removing the Bezel Blank To reinstall the bezel blank, reverse the above procedure. Compaq Deskpro 2000 Series of Personal Computers 6-27...
Page 170: Compaq Logo
6.16.4 Compaq Logo To remove the Compaq logo from the front bezel, complete the following steps: 1. Remove the access panel (Section 6.6.1). 2. Remove the front bezel (Section 6.16.1). 3. From the inside of the front bezel, use a small screwdriver at the hole shown in the figure to push the logo out of its recess.
Page 171: Power Supply Assembly
Squeeze the tab toward the top of the chassis. While squeezing the tab, pull the holder up 2 and out of the chassis. 4. Remove the wires from the switch. Figure 6-29. Removing the Power Supply Switch and Bracket Compaq Deskpro 2000 Series of Personal Computers 6-29...
Page 172 To install the power switch assembly, complete the following steps. 1. Install a new power switch into a new switch holder. To install the power switch into the switch holder: Insert the switch into the back of the holder. Push the switch until it snaps into place. Figure 6-30.
Page 173: Power Supply
6. Slide the power supply towards the front of the chassis and lift up to remove it from the chassis. To replace the power supply, reverse the above procedure. Compaq Deskpro 2000 Series of Personal Computers 6-31...
Page 174: Led Cable
6.18 LED Cable To remove the LED cable, complete the following steps: 1. Remove the access panel (Section 6.6.1). 2. Remove the front bezel (Section 6.16.1). 3. Disconnect the cable from the connection on the system board. 4. Remove the power supply switch assembly (Section 6.17.1). 5.
Page 175 When reinstalling the LED end, place the LED with the black wire on top and the LED with the white wire on the bottom. The connector is keyed to ensure proper installation. Compaq Deskpro 2000 Series of Personal Computers 6-33...
Page 176: Mass Storage Devices
6.19 Mass Storage Devices This section discusses the removal and replacement procedures for the mass storage devices that are supported on the Deskpro 2000 Series of Personal Computers. Refer to Chapter 1, Section 1.5.2, “Drive Positions.” 6.19.1 3.5-Inch Drive Bays To remove a 3.5-inch drive from the 3.5-inch drive bay, complete the following steps:...
Page 177 CAUTION: When servicing the computer, ensure that cables are placed in their proper locations during the reassembly process. Improper cable placement can damage the computer. CAUTION: Use only 3/16-inch or 5-mm long screws as guide screws. Longer screws can damage the internal components of the drive. Compaq Deskpro 2000 Series of Personal Computers 6-35...
Page 178: Inch Drive Bays
6.19.2 5.25-Inch Drive Bays The 5.25-inch drive bays may be occupied by diskette drives, hard drives, CD-ROM drives, PD-CD drives, LS-120 drives, or tape drives. Removal of a CD-ROM drive is shown. CAUTION: All removable media should be taken out of the drive before removing the drive from the computer.
Page 179 When replacing this drive, transfer the wafer screw that takes the place of a drive rail from the old drive to the new one. The screw is located on the right side of the drive, in the middle. To replace the 5.25-inch drive, reverse the above procedures. Compaq Deskpro 2000 Series of Personal Computers 6-37...
Page 180: Installing A New Drive
Metric screws have a black finish while U.S. screws have a silver finish. Figure 6-38. Locating the Mounting Screws If you are installing a 3.5-inch diskette drive in a 5.25-inch drive bay, use Compaq bracket spare part number 243230-001, which comes with a preinstalled bezel If you are installing a 3.5-inch hard drive in a 5.25-inch drive bay, use Compaq bracket spare part...
Page 181 Figure 6-40. Installing the Wafer Screw on the Right Side of the Bracket Use the screws provided on the front of the unit. These screws may be different from those illustrated. Compaq Deskpro 2000 Series of Personal Computers 6-39...
Page 182 4. Install the drive or bracket assembly into the drive bay. Ensure that the guide screw fits into the tab on the side of the bay. 5. Secure the drive or bracket assembly with two wafer screws. Figure 6-41. Installing the Bracket Assembly and Securing It with the Wafer Screws 6-40 Removal and Replacement Procedures - Minitower...
Page 183 8. Install the front bezel (Section 6.16.1). 9. Install the access panel (Section 6.6.1). 10. The system will automatically recognize a hard drive sold by Compaq and will automatically reconfigure the computer. If you have installed a third-party hard drive, you will need to run Computer Setup to reconfigure the computer.
Page 184: Jumper And Switch Information
UMPER AND WITCH NFORMATION This chapter provides jumper and switch information for system board jumpers, system I/O board connectors, and hard drives for the Compaq Deskpro 2000 Series of Personal Computers. Compaq Deskpro 2000 Series of Personal Computers...
Page 185: System Board Switches
7.1 System Board Switches 7.1.1 Pentium-Based System Boards The following illustration shows switch, connector, and jumper locations. Table 7-1 gives a description of them. Figure 7-1. Pentium System Board Switch, Connector, and Jumper Locations Jumper and Switch Information...
Page 186 J1002 Graphics memory upgrade socket (used with J1001) Power connector Diskette cable socket LED socket Primary IDE/EIDE cable socket Secondary IDE/EIDE cable socket P1000 VESA socket Processor/bus speed selector Microprocessor socket Table 7-1 Compaq Deskpro 2000 Series of Personal Computers...
Page 187 Figure 7-2. Pentium II System Board Switch, Connector, and Jumper Locations Pentium II System Board Connectors, Jumpers, and Switches Device Jumper and Switch Information Table 7-2 Description DIMM Slot 1 DIMM Slot 2 DIMM Slot 3 Graphics memory upgrade socket (used with P3) Riser board socket Microprocessor connector Power connector...
Page 188: Switch Settings
Doing this could result in unreliable operation or processor damage. Figure 7-3. SW1 Module Location, Pentium System Board * Standard bus speed for all Compaq Deskpro 2000 Series of Personal Computers. ** With bus speed set to 66 MHz.
Page 189: System Board Jumpers
Figure 7-4. SW2 Module Location, Pentium II System Board Pentium II System Board Processor Speed Switch Settings Note: The bus speed is hard wired to 66 MHz. 7.2 System Board Jumpers This section provides information for setting jumpers for enabling/disabling passwords and clearing the configuration (CMOS).
Page 190: Setting Power-On Password Jumpers
Figure 7-6. Password Header Location, Pentium II System Board To set a new password, move the password header back to pins 5 and 6, restart the computer, and reestablish your password through Security Management. Compaq Deskpro 2000 Series of Personal Computers...
Page 191: Clearing Configuration
7.2.2 Clearing Configuration The computer's configuration (CMOS) may occasionally be corrupted. If it does, it is necessary to clear the CMOS memory. The clear-CMOS header, located on the system board, is used for this function. The clear-CMOS header is labeled “E8 Clear CMOS” on the Pentium system board and labeled “Clear CMOS”...
Page 192: Changing The Real-Time Clock (Rtc) Battery
Figure 7-9. Battery Connector (E9) Location, Pentium System Board Figure 7-10. Battery Connector Location, Pentium II System Board Refer to Chapter 5 or Chapter 6 for complete instructions on installing a replacement RTC battery. Compaq Deskpro 2000 Series of Personal Computers...
Page 193: Hard Drives
7.3 Hard Drives For more information about Compaq hard drives, refer to Appendix C in this guide. For more information about using SCSI devices, refer to Appendix D. 7.3.1 2.1-GB EIDE Hard Drive Jumper Settings Figure 7-11. 2.1-GB Seagate EIDE Hard Drive Jumper Settings...
Page 194: Jumper Settings
Figure 7-13. 2.1-GB Maxtor EIDE Hard Drive Jumper Settings Description Single Primary in dual system Secondary in dual system Cable select Write cache enabled Reserved 4032 cylinder option enabled J = Jumper. O = No jumper. Table 7-7 Jumper Settings Compaq Deskpro 2000 Series of Personal Computers 7-11...
Page 195 7.3.2 3.2-GB EIDE Hard Drive Jumper Settings Figure 7-14. 3.2-GB Seagate EIDE Hard Drive Jumper Settings Definition Single Primary Secondary Cable select Figure 7-15. 3.2-GB Western Digital EIDE Hard Drive Jumper settings Definition Single Primary Secondary Cable Select 7-12 Jumper and Switch Information Table 7-8 Jumper Settings Jumpers...
Page 196 Figure 7-16. 3.2-GB Maxtor EIDE Hard Drive Jumper Settings Description Single Primary in dual system Secondary in dual system Cable select Write cache enabled Reserved 4032 cylinder option enabled J = Jumper. O = No jumper. Table 7-10 Jumper Settings Compaq Deskpro 2000 Series of Personal Computers 7-13...
Page 197: Optional Ultra Scsi Hard Drive Jumper Settings
7.3.3 Optional Ultra SCSI Hard Drive Jumper Settings Figure 7-17. 2.1-GB Ultra SCSI Hard Drive Jumper Settings Jumper J2 Definition Enable Terminators Delay Motor Start Enable Motor Start Write Protect Disable Parity Reserved Termination Power from Drive Termination Power to SCSI Bus Termination Power from SCSI Bus All other pins of Jumper J6 reserved for other uses.
Page 198 SCSI ID = 0 SCSI ID = 1 SCSI ID = 2 SCSI ID = 3 SCSI ID = 4 SCSI ID = 5 SCSI ID = 6 SCSI ID = 7 Compaq Deskpro 2000 Series of Personal Computers 7-15...
Page 199: Optional Ultra Ata Hard Drives Jumper Settings
7.3.4 Optional Ultra ATA Hard Drives Jumper Settings Figure 7-19. 2.1-GB Maxtor Ultra ATA Hard Drive Jumper Settings Description Single Primary in dual system Secondary in dual system Cable select Write cache enabled Reserved 4032 cylinder option enabled J = Jumper . O = No jumper. Figure 7-20.
Page 200 Figure 7-21. 3.2-GB Maxtor Ultra ATA Hard Drive Jumper Settings Description Single Primary in dual system Secondary in dual system Cable select Write cache enabled Reserved 4032 cylinder option enabled J = Jumper. O = No jumper. Table 7-15 Jumper Settings Compaq Deskpro 2000 Series of Personal Computers 7-17...
Page 201: Cd-Rom Drive Jumper Settings
7.4 CD-ROM Drive Jumper Settings Figure 7-22. Jumper Pins for the 16X max EIDE CD-ROM Drives Definition Primary Secondary Cable select 7.5 Optional PD-CD Drives For more information about SCSI devices, refer to Appendix D. 7.5.1 SCSI PD-CD Drive Jumper Settings PD/CDROM - SCSI Assembly Number 184689-201...
Page 202: Diskette Drive
Device 1 (Secondary) Jumper MDO is for factory use only. 120 MB Floppy Drive Assembly Number 184932 1DRV 2CSL 2MST Table 7-17 Jumper Settings (Top Insert) 1DRV Jumper Settings (Bottom Insert) Compaq Deskpro 2000 Series of Personal Computers 2CSL 2MST 7-19...
Page 203: Specifications
50 to 95 F -4 to 140 F 8% to 90% 5% to 95% 10,000 ft 30,000 ft 770 Btu/hr Compaq Deskpro 2000 Series of Personal Computers Metric 12.7 cm 44.98 cm 42.47 cm 10.74 kg 145 W 180-264 VAC...
Page 204 Dimensions Height Width Depth Weight System Power Rating Power Supply Operating Voltage Range Rated Voltage Range Rated Line Frequency Rated Input Current (maximum) Rated Output Power Environmental Requirements Temperature Operating Shipping Humidity (noncondensing) Operating Nonoperating Maximum Altitude (unpressurized) Operating Nonoperating Heat Dissipation (nominal) Specifications Table 8-2...
Page 205: System Interrupts
ECP Parallel Port LPT1 (Default; Alternate = DMA 0) DMA 4 DMA Controller Cascading (Not on ISA Bus) DMA 5 Unused DMA 6 Unused DMA 7 Unused Table 8-3 System Interrupts Table 8-4 System DMA Compaq Deskpro 2000 Series of Personal Computers...
Page 206 I/O Address (Hex) 000 - 00F 010 - 01F 020 - 03F 040 - 043 044 - 05F 062 - 063 065 - 06F 070 - 071 072 - 07F 080 - 08F 090 - 091 093 - 09F 0A0 - 0BF 0C0 - 0DF 0E0 - 0EB 0EC - 0ED...
Page 207 3BC - 3BF Reserved (Parallel Port) 3C0 - 3DF EGA/VGA 3E0 - 3E7 Unused 3E8 - 3EF Reserved (Serial Port) 3F0 - 3F7 Diskette Controller 3F8 - 3FF Serial Port (Primary) Diskette Drive) Compaq Deskpro 2000 Series of Personal Computers...
Page 208: System Memory Map
Size Memory Address 256 KB FFFFFFFFh to FFFC0000h 2,080,512 KB FFFBFFFFh to 81000000h 16 MB 80FFFFFFh to 80000000h 1792 MB 7FFFFFFFh to 10000000h 240 MB 0FFFFFFFh to 01000000h 15 MB 00FFFFFFh to 00100000h 64 KB 00EFFFFFh to 000F0000h 64 KB 000EFFFFh to 000E0000h 96 KB 000DFFFFh to 000C8000h...
Page 209: Drives
Low Density Tracks per Side High Density Low Density Read/Write Heads Average Seek Time (Mb/s) Track-to-Track (high/low) Average (high/low) Latency Average (ms) Table 8-7 1.44 MB Diskette Drive 1.44 160788-201 Green One-third 94/173 Compaq Deskpro 2000 Series of Personal Computers...
Page 210 Data Heads Logical Sectors per Track Logical Buffer Size (KB) Because “Compaq Utilities” is installed on a hidden partition on the hard drive, hard drive capacity will appear reduced when displayed by the computer. Specifications Table 8-8 Hard Drives IDE/EIDE 2.1-GB...
Page 211 Table 8-9 Ultra SCSI Hard Drives 2.1 GB 2.16 2.10 247409-001 62.5 - 103.4 20.0 15.0 5400 8209 132 - 211 Compaq Deskpro 2000 Series of Personal Computers 4.3 GB 247408-001 83.2 - 139.3 20.0 18.0 7200 6144 126 - 216...
Page 212 Applicable Disc Compaq Spare Part Number Disc Diameter Capacity Center Hole Disc Thickness Track Pitch Laser Beam Divergence Output Power Type Wave Length Access Time Random Full Stroke Audio Output Level Cache Buffer Data Transfer Rate Sustained 8-10 Specifications Table 8-10...
Page 213 790 +/- 25 nm < 240-ms < 350-ms (PD mode) 256 Kbytes 600 Kb/sec 500-1100 Kb/sec Compaq Deskpro 2000 Series of Personal Computers 185951-001 Mode 1 & 2, CD-DA Mode 2, Form 1 & 2 Mode 2, Form 1 & 2 CD-Bridge Single &...
Page 214 Table 8-11 Continued Indicators Busy LED Mode LED Reliability Bus Type Startup Time Stop Time Environmental Conditions Power Requirement +5VD +12VDC C Physical Characteristics Dimensions (excluding projections) Weight 8-12 Specifications Green = Drive ready and media is inserted Amber = Media access Amber = PD, Green = CD 35,000 POH, 25% (MTBF) 30 minutes (MTTR)
Page 215 720 3 revolutions per minute 42 ms 1 ms 4 MB/sec maximum 30,000 25 ms 70 ms 150 ms 1 sec 1 sec 3.2 to 5.4 Mbits/sec 47 dBA at 1 meter 6 Oersteds (max) Compaq Deskpro 2000 Series of Personal Computers 8-13...
Page 216: Audio System
Dimensions Height Width Depth Weight 8-14 Specifications Table 8-13 Audio System Compaq Business Pro Audio Board 278792-001 5.51 KHz to 44 KHz (adjustable) 0.030 60 mW (R = 32 ohms) 1 W (R = 8 ohms) 1-K ohm 16 ohms (min.)
Page 217: Mouse
No hard errors through 15 kV; specific performance depends on host system Table 8-16 S3 Trio64V2/GX 1-MB SGRAM Colors Supported 16.7-M 65-K Compaq Deskpro 2000 Series of Personal Computers Metric 3.4 cm 11.3 cm 6.0 cm 130 g 400 dpi...
Page 218 Resolution Ma×imum Refresh Rate, Hz 640 × 480 800 × 600 1024 × 768 1280 × 1024 Matrox MGA-1064SG Embedded Graphics Controller 2-MB SGRAM Resolution Colors Supported 640 × 480 16.7M 800 × 600 16.7M 1024 × 768 1152 × 864 1280 ×...
Page 219: Connector Pin Assignments
This appendix contains the pin assignments for all external connectors: Connector and Icon (Orange) Connector and Icon (Green) SSIGNMENTS Table A-1 Keyboard Signal Data Unused Ground +5 VDC Clock Unused Table A-2 Mouse Signal Data Unused Ground +5 VDC Clock Unused Compaq Deskpro 2000 Series of Personal Computers...
Page 220: Serial Interfaces
Connector and Icon Connector and Icon Connector Pin Assignments Table A-3 Parallel Interface Signal Strobe Data Bit 0 Data Bit 1 Data Bit 2 Data Bit 3 Data Bit 4 Data Bit 5 Data Bit 6 Data Bit 7 Acknowledge Busy Paper End Select...
Page 221 Data Clock (SCL)* Table A-6 Ethernet RJ-45 Signal (+) Transmit Data (-) Transmit Data (+) Receive Data Unused Unused (-) Receive Data Unused Unused Table A-7 Ethernet BNC Signal 1 (Inside) Data 2 (Outside) Ground Compaq Deskpro 2000 Series of Personal Computers...
Page 222 Connector and Icon Connector Pin Assignments Table A-8 Ultra-Wide SCSI Connector Signal 1-16 Ground 17 - 18 TERMPWR Reserved 20 - 34 Ground 49 - 50 Ground 51 - 52 TERMPWR Reserved Ground Ground...
Page 223 Left Channel Data 3 (Inside) not supported Table A-12 Headphone Connector Signal 1 (Outside) Ground 2 (Inside) Left Channel Data 3 (Inside) Right Channel Data Table A-13 USB Connector Signal - Data + Data Ground Compaq Deskpro 2000 Series of Personal Computers...
Page 224 Connector Pin Assignments Table A-14 IDE/EIDE Drive Cable Signal RESET DD10 DD11 DD12 DD13 DD14 DD15 (KEY) Signal DREQ DIOW DIOR IORDY Cable Select DMACK INTRQ IOCS16 PDIA6 CS1FX CS3FX DASP...
Page 225: Power Cord Set Requirements
125 or 250 volts AC, as required by each country’s power system. 4. The appliance coupler must meet the mechanical configuration of an EN 60 320/IEC 320 Standard Sheet C13 connector, for mating with appliance inlet on the Switch Box. Compaq Deskpro 2000 Series of Personal Computers...
Page 226: Country-Specific Requirements
Country-Specific Requirements Country Australia Austria Belgium Canada Denmark Finland France Germany Italy Japan Norway Sweden Switzerland United Kingdom United States The flexible cord must be <HAR> Type HO5VV-F, 3-conductor, 1.0 mm size. Power cord set fittings (appliance coupler and wall plug) must bear the certification mark of the agency responsible for evaluation in the country where it will be used.
Page 227: Appendix C Hard Drives
Chapter 7 of this manual when a new drive is added to verify that the jumper settings are set correctly. Cable select may not function properly if drives other than those supported by Compaq are installed. The second drive on a cable-select cable can be a CD-ROM drive. However, the CD-ROM drive must be installed in the device 1 position if a hard drive is installed on the same cable.
Page 228: Smart
528 MB. The translated hard drive parameters are put into the hard drive parameter table in the shadow RAM copy of the system ROM. When using any operating system other than DOS, you must use the Compaq User Setup diskette to set up the hard drive parameter table without translation.
Page 229 In order to take full advantage of the higher transfer rates, the standard 40-conductor cable must be replaced with an optional 80-conductor cable. The Compaq Deskpro 2000 Series of Personal Computers will support up to four mass storage devices. The following table shows the transfer rates...
Page 230: Guidelines For Installing Optional Scsi Devices
SCSI device. Check the information that came with your device for the recommended SCSI ID number to be applied. The reserved and available SCSI ID numbers for Compaq computers are as follows: 0 is reserved for the primary hard drive and has the lowest device priority.
Page 231 This drive does not ship with terminating resistors. 3. Compaq SCSI-2 controllers have an automatic terminating device which turns OFF the terminator when both the external and internal SCSI signal ports connect to SCSI devices.
Page 232: Appendix E Diagnostic Error Codes
Diagnostics program. These error codes help identify possibly defective subassemblies. Table E-1 lists the device codes (AABB-CC) and the subtest range (AABB-CC) covered by Compaq Diagnostics Tests. Some codes will not apply to the computers described in this manual and will not be detailed in the tables that follow.
Page 233 Tables E-2 through E-18 list possible error codes, descriptions of each error condition, and actions required to resolve the error condition. Retest the system after completing each step. If the problem has been resolved, do not proceed with the remaining steps. For assistance in the removal and replacement of a particular subassembly, see Chapters 5 and 6, "Removal and Replacement Procedures."...
Page 234 The following steps apply to error codes 0300-xx through 0304-xx: 1. Check the keyboard connection. If disconnected, turn the computer off and connect the keyboard. 2. Replace the keyboard and retest. 3. Replace the system board and retest. Compaq Deskpro 2000 Series of Personal Computers...
Page 235 Error Code Description 0401-xx Printer failed or not connected. 0402-xx Printer port test failed. 0403-xx Printer pattern test failed. Error Code Description 0600-xx Diskette ID drive types test failed. 0601-xx Diskette format failed. 0602-xx Diskette read test failed. 0603-xx Diskette write, read, compare test failed. 0604-xx Diskette random seek test failed.
Page 236 3. Check the switch settings on the adapter board (if applicable). 4. Replace the tape adapter board (if applicable) and retest. 5. Replace the tape drive and retest. 6. Replace the system board and retest. Compaq Deskpro 2000 Series of Personal Computers...
Page 237 2. Replace the system board and retest. The following steps apply to error codes 2402-xx through 2418-xx: 1. Run Compaq Utilities. 2. Replace the monitor and retest. 3. Replace the video board and retest. 4. If no video board is present or if video is integrated, replace system board and retest.
Page 238 The following steps apply to error codes 6000-xx through 6089-xx: 1. Run Computer Setup or Windows NT or Windows 95 utilities. 2. Verify test procedures. 3. Replace the network board, if installed. 4. Replace the system board. Compaq Deskpro 2000 Series of Personal Computers...
Page 239 Error Code Description 6600-xx ID test failed. 6605-xx Read test failed. 6608-xx Controller test failed. 6623-xx Random read test failed. Error Code Description 8601-xx Mouse test failed. 8602-xx Interface test failed. Diagnostic Error Codes Table E-14 SCSI CD-ROM Test Error Codes Recommended Action The following steps apply to error codes error codes 6600-xx through 6623-xx:...
Page 240: Scsi Error Codes
XX06-XX XX08-XX XX09-XX XX23-XX XX28-XX Table E-16 SCSI Device Names Hard drive CD-ROM Drive and PD-CD drive Tape drive Table E-17 SCSI Test Names Read SA/Media Controller Media erase Random read Media load/unload Compaq Deskpro 2000 Series of Personal Computers...
Page 241 Error Code Description XXXX-02 Drive not installed. XXXX-03 Media not in drive. XXXX-05 Seek failure. XXXX-06 Drive timed out. XXXX-07 Drive busy. XXXX-08 Drive already reserved. XXXX-09 Unknown. XXXX-10 Unknown. XXXX-11 Media soft error. XXXX-12 Drive not ready. XXXX-13 Media error. XXXX-14 Drive hardware error.
Page 242 1. Ensure fan(s) connected. 2. Replace nonfunctional fan(s). 1. Ensure proper air flow. 2. Perform required maintenance and cleaning. 1. Install tape(s) in autoloader tape drive according to test instructions. 2. Change autoloader magazine. Compaq Deskpro 2000 Series of Personal Computers E-11...
Page 243: Rror Messages
Configuration incorrect. Invalid time or date in configuration memory. Memory configuration incorrect. RAM failure. RAM failure. Cache memory error (processor cache). Run Compaq Utilities. Cache memory controller or RAM failure. Single bit ECC error. Incompatible DIMM installed. Keyboard failure. Compaq Deskpro 2000 Series of Personal Computers Recommended Action 1.
Page 244: Post Error Messages
Table F-1 Continued Message Beeps* 301-Keyboard Error or None Test Fixture Installed 303-Keyboard Controller None Error 304-Keyboard or System None Unit Error 402-Monochrome 1L, 2S Adapter Failure 404-Parallel Port Address Conflict Detected 501-Display Adapter 1L, 2S Failure 601-Diskette Controller None Error 602-Diskette Boot Record None...
Page 245 Check that computer air vents are not specification. blocked and cooling fan is running. Electronic serial number has become Run Computer Setup. corrupted. An invalid system ROM has been 1. Replace the invalid ROM**. detected. 2. Run ROMPaq Compaq Deskpro 2000 Series of Personal Computers...
Page 246: Troubleshooting Without Diagnostics
Was a bootable compact disc in the CD-ROM drive at startup? Are all switch settings correct? Have all jumper settings been set as instructed by the configuration utility? Was Computer Setup run after non–Plug and Play options? ITHOUT Compaq Deskpro 2000 Series of Personal Computers...
Page 247: Power Problems
Power Problems This section identifies some quick checks for power–related problems. Problem Computer will not turn on. Computer does not automatically display the date and time. Thermal Problems This section identifies a thermal problem that could be related to the processor overheating. Problem Computer screen frozen, the power supply fan continues to run, and the power LED is illuminated.
Page 248: Diskette Drive Problems
Tools. In Windows 95, run Scan Disk. At the Start menu, highlight Programs, select Accessories, then select System Tools. Remove the diskette from the drive. 1. Check the cables for loose connections. 2. Was Computer Setup run after installing 2 Compaq Deskpro 2000 Series of Personal Computers diskette drive?
Page 249: Display Problems
Display Problems This section identifies some quick checks for display–related problems. Problem Screen is blank. Graphics colors are wrong. Characters are dim. Monitor does not function properly when used with the energy saver features. Blurry display or requested resolution cannot be set. The picture is broken up;...
Page 250: Printer Problems
2. The cables may not be connected properly. Reconnect all cables. The printer may be out of paper. Check the paper tray and refill it if it is empty. Select online. Compaq Deskpro 2000 Series of Personal Computers...
Page 251: Hard Drive Problems
Hard Drive Problems This section identifies some quick checks for hard drive–related problems. The information provided by the diagnostics test includes: error code, system serial number, drive serial number, drive model, and drive firmware revision. Specific details of the drive failure are not included.
Page 252: Hardware Installation Problems
If the system has two serial devices plus a modem, then the first serial device can be COM1 or COM2 or disabled, the modem can be COM1 or COM2 or disabled, and the second serial device can be COM4 or disabled. diskette drive. Compaq Deskpro 2000 Series of Personal Computers...
Page 253: Cd-Rom Drive Problems
CD-ROM Drive Problems This section identifies some quick checks for CD-ROM drive–related problems. Problem Cannot read compact disc. System will not boot from CD-ROM drive. Cannot eject compact disc. CD-ROM device is not detected; driver is not loaded. Troubleshooting Without Diagnostics Table G-8 CD-ROM Drive Problems Possible Solution...
Page 254: Memory Problems
Run the Configuration Utility and disable the primary IDE/EIDE drive. Ensure that drive cabling and jumpers are set correctly. To boot a SCSI drive, the drive ID number must be set to 0. Compaq Deskpro 2000 Series of Personal Computers...
Page 255: Network Problems
Network Problems Some common causes and solutions for network problems are listed in the following table. These guidelines do not discuss the process of debugging network cabling. Problem System does not detect a network controller. System Setup utility reports unprogrammed EPROM. Diagnostics reports a failure.
Page 256 2. Ensure that the cable is securely attached to the network connector and that the other end of the cable is securely attached to the correct device. 3. Replace the network controller or system board. Compaq Deskpro 2000 Series of Personal Computers G-11...
Page 257: Resolving Audio Hardware Conflicts
Resolving Audio Hardware Conflicts Hardware conflicts occur when two or more peripheral devices contend for the same signal lines or channels. Conflicts between the audio interface and another peripheral device may be due to the settings of the base I/O addresses, interrupts, or DMA channels. The audio interface typically has the following settings: Item Base I/O address...
Page 258: Intel 440Lx Chipset Memory Limitations
NTEL IMITATIONS The Intel 440LX Chipset has many functions, one of which is memory support. The Compaq Deskpro 2000 Series of Personal Computers with the Intel Pentium II processor comes standard with three DIMM sockets. Due to inherent architectural limitations, the Intel 440LX chipset does not support any DIMMs comprised of ×4 (pronounced “by 4”) SDRAMs nor some combinations of...
Page 259 SDRAM Address SDRAM Size Locations Width 1M×16 ×16 1M×16 ×16 2M×8 ×8 2M×8 ×8 4M×4 ×4 4M×4 ×4 4M×16 ×16 4M×16 ×16 8M×8 ×8 8M×8 ×8 16M×4 ×4 16M×4 ×4 Note: This information is intended to be used as a guide to identifying the memory technology used for SDRAM DIMMs and may not include all technologies.
Page 260 DIMM or move the ×8/×32 DIMMs into a supported configuration. Table H-2 ×8 ×8 ×8 ×32 ×32 ×8 ×32 ×32 ×8 ×8 ×8 ×32 ×32 ×8 ×32 ×32 ×32 ×8 None ×8 ×8 ×32 None ×32 Compaq Deskpro 2000 Series of Personal Computers Supported Configuration...
Page 261: Index
4-5 precautions, 4-4 CMOS RAM, 1-8, 1-10 codes diagnostic error, E-1 POST error, F-1 combination slot, 1-4, 1-9 Compaq Business Pro audio board illustrated, 3-10 spare part number, 3-11 Compaq Diagnostics for Windows, 2-13 computer connectors, 1-16, 1-21 drive positions, 1-15, 1-18...
Page 262 location, 2-1 configuration management, 1-12, 2-18 Configuration utilities, 2-1 connector location keyboard, 1-16, 1-20 monitor, 1-16, 1-20 mouse, 1-16, 1-20 parallel port, 1-16, 1-20 power cord, 1-16, 1-20 rear panel, 1-16, 1-21 serial port, 1-16, 1-20 connectors, 4-6 controller, 1-4 controls front panel, 1-14, 1-17 country specific requirements...
Page 263 ECC memory fault prediction, 1-13, 2-16 EIDE. See IDE electrostatic damage preventing, 4-2 electrostatic discharge information, 4-1 enhanced keyboard, 1-22 Enhanced Parallel Port (EPP), enhanced support software, 2-23 CD, 2-23 world wide web, 2-23 error code information, 1-10 error messages, POST, F-1 Esc key, 1-23 ESS 1868 audio board illustrated, 3-10...
Page 264 insight manager, 2-24 agents, 2-24 INSPECT utility, 1-15, 1-19, installation drive, new, desktop, 5-34 drive, new, minitower, 6-38 power switch, 5-28, 6-30 integrated software, 2-22 integration management, 1-13, 2-24 Intel boxed processor fan connection, 7-4 Intelligent Manageability asset management, 1-12, 2-15 AssetControl, 1-12, 2-15 configuration management,...
Page 265 2.1-GB Ultra ATA hard drive jumper settings, 7-16 3.2-GB EIDE hard drive jumper settings, 7-13 3.2-GB Ultra ATA hard drive jumper settings, 7-17 memory base, 1-6 cache, 1-6 chipset limitations, H-1 clear and reset, 7-8 extended, 1-6 supported configurations, H-3 technologies, H-2 test error codes, E-3 troubleshooting without...
Page 266 parallel port, 1-4, 1-9 parallel support mode, 1-9 partition, diagnostics, 2-12 partners program desktop management, 2-25 system management, 2-25 password changing, 2-6 deleting, 2-6 entering, 2-6 power-on, 1-10, 2-6, 7-7 protection, 1-5 Pause key, 1-23 auto-configuration utility, 1-4, chipset, 1-4, 1-7 local bus, 1-7 slots, 1-4 PD-CD drive, 1-26...
Page 267 kit spare part number, 3-24 removal and replacement, 5-27, 6-29 power-on light, 1-14 password, 1-10, 7-7 Power-on Self-Test (POST) function, 2-13 messages, F-1 precautions, cleaning, 4-4 Prefailure Warranty, 2-27 preloaded software, 1-10 preparing the computer, 2-1 preventing electrostatic damage, 4-2 primary/secondary designation, hard drive, C-1 Print Scrn key, 1-23...
Page 268 replicated setup, 2-22 restoring your hard drive, 2-27 riser board removal and replacement, 5-18, 6-11 riser brace illustrated, desktop, 3-22 illustrated, minitower, 3-4 removal and replacement, 5-19, 6-7 spare part number, desktop, 3-22 spare part number, minitower, ROM, 2-14, 2-18 ROM upgrade, 2-19 recovery from upgrade failure, 2-20...
Page 269 1-4, 1-9 voltages, typical electrostatic, Warranty, Prefailure, 2-27 Western Digital 2.1-GB EIDE hard drive jumper settings, 7-10 3.2-GB EIDE hard drive jumper settings, 7-12 Windows Compaq Diagnostics for, 2-13 Logo key, 1-23 Windows 95 restoring hard drive, 2-27 Index...

This manual is also suitable for:

278550-002 - deskpro 2000 - 6266x model 3200 278750-002 - deskpro 2000 - 32 mb ram 278800-004 - deskpro 2000 - 5200x model 3200 280100-002 - deskpro 2000 - 5233x model 3200 cds 244100-005 - deskpro 2000 - 16 mb ram Deskpro 2000 series

Compaq Deskpro 2000 Maintenance & Service Manual

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

Appendix A

Connector Pin Assignments

Appendix B Power Cord Set Requirements

Appendix C Hard Drives

Appendix D

SCSI Guidelines

Appendix E Diagnostic Error Codes

Appendix F

POST Error Messages

Appendix G Troubleshooting Without Diagnostics

Appendix H Intel 440LX Chipset Memory Limitations

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