Compaq Deskpro 2000 - Manual

Contents v chapter 3 Illustrated Parts Catalog 3.1 System Unit ........................................................................................................ 3-2 3.2 Mass Storage Devices ........................................................................................ 3-63.3 Cables ...

vi Contents 5.8.2 Outboard Expansion Board ................................................................. 5-11 5.9 System Board Components ............................................................................. 5-12 5.9.1 Memory Modules .........................................................

Contents vii 6.16 Front Bezel Assembly..................................................................................... 6-25 6.16.1 Front Bezel .......................................................................................... 6-256.16.2 Power Button ........................................

Preface ix preface A BOUT THIS G UIDE This Maintenance and Service Guide is a troubleshooting and repair guide that can be used forreference when servicing the Compaq Deskpro 2000 Series of Personal Computers. Only authorizedtechnicians trained by Compaq should attempt to repair this equipment. Comp...

x Preface 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 ...

Compaq Deskpro 2000 Series of Personal Computers 1-1 chapter 1 P RODUCT D ESCRIPTION This chapter describes the model offerings and features of the Compaq Deskpro 2000 Series ofPersonal Computers. Figure 1-1. Compaq Deskpro 2000 Series Personal Computer

1-2 Product Description 1.1 Compaq Deskpro 2000 Series of Personal Computer Models The Compaq Deskpro 2000 Series of Personal Computers is available in both desktop and minitowerconfigurations. This series of personal computers uses the Intel family of Pentium processorsconsisting of the Intel Penti...

Compaq Deskpro 2000 Series of Personal Computers 1-3 1.2 Features The Compaq Deskpro 2000 Series of Personal Computers have the following standard features: 1.2.1 Pentium System FeatureSummary ■ Intel Pentium Processor with MMX technology running at speeds of 166, 200, and 233megahertz ■ 256-KB (L2)...

1-4 Product Description 1.2.3 Features Common to Both ■ One 1.44-megabyte, 3.5-inch high-density diskette drive installed ■ Peripheral Components Interconnect (PCI) chipset used for PCI/ISA, two USB ports, memory,and peripheral control ■ Super I/O controller which integrates a serial port, parallel ...

Compaq Deskpro 2000 Series of Personal Computers 1-5 ■ Mouse ■ Keyboard and mouse connectors on the back panel ■ Internal piezo speaker mounted on system board ■ Intelligent Manageability and security features, including password and cable lock provision ■ Compaq Diagnostics and Configuration utilit...

1-6 Product Description 1.3.2 System Board The desktop and minitower models of the Compaq Deskpro 2000 Series of Personal Computers havea single system board configuration. The Pentium system board uses an Intel Pentium processor. ThePentium II system board uses the Intel Pentium II processor. The p...

Compaq Deskpro 2000 Series of Personal Computers 1-7 L2 cache memory for all Pentium II models is integrated in the processor module with a capacity of512 KB and is not upgradable. 1.3.6 Graphics Controllers The purpose of a graphics controller is to generate the text and graphics images for the mon...

1-8 Product Description 1.3.8 System I/O The onboard I/O controller integrates the functions for the serial and parallel ports, diskette drives,the keyboard and mouse. This component provides support for the following: ■ Multimode bidirectional parallel port ❏ Standard mode: Centronics-compatible op...

Compaq Deskpro 2000 Series of Personal Computers 1-9 BIOS Upgrades Because the BIOS is stored in a flash memory device, you can easily upgrade the BIOS withouthaving to disassemble the system. The flash upgrade process can be accomplished by running autility from a diskette, a hard drive, or over a ...

1-10 Product Description 1.3.15 System Security The system BIOS provides a power-on password option that is enabled through the Setup program.The computer includes a cable lock provision that makes it possible to lock the computer cover inplace to prevent unauthorized access to the system jumpers an...

Compaq Deskpro 2000 Series of Personal Computers 1-11 ■ Compaq support software and device drivers ■ Online Safety & Comfort Guide ■ Intelligent Manageability ■ Power Management with Energy Saver features ■ Security Management ✎ Certain drivers and utilities are available only in select language...

1-12 Product Description 1.3.22 Intelligent Manageability Intelligent Manageability includes: ■ Asset Management ■ Configuration Management ■ Integration Management ■ Fault Management ■ Security Management Asset Management AssetControl is a component of Asset Management that allows a system administ...

Compaq Deskpro 2000 Series of Personal Computers 1-13 Integration Management Compaq standardizes system manageability and provides access to PC configuration with itsIntegration Management solution. Through hardware and software instrumentation that supports theDesktop Management Interface (DMI) fra...

1-14 Product Description 1.4 Desktop Computer Features The Compaq Deskpro 2000 Series of Personal Computers ships with a mouse and keyboard. ACompaq color monitor or other compatible monitor, which is also required to operate the computer,does not ship with the computer. 1.4.1 Front Panel Controls a...

Compaq Deskpro 2000 Series of Personal Computers 1-15 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 invarious configurations, including those shown in the follo...

1-16 Product Description 1.4.3 Rear Panel Connectors Rear panel connectors on your desktop computer are color-coded and include icons to help youidentify their functions. Figure 1-4. Rear Panel Connectors Table 1-5 Rear Panel Connectors Ref. Component Function 1 Power Cord Connector Connects the com...

Compaq Deskpro 2000 Series of Personal Computers 1-17 1.5 Minitower Computer Features The Compaq Deskpro 2000 Minitower Personal Computer comes with a mouse and keyboard. Notsupplied is a Compaq color monitor or other compatible monitor, which is required to operate yourcomputer. 1.5.1 Front Panel L...

Compaq Deskpro 2000 Series of Personal Computers 1-19 Table 1-7 Compaq Deskpro 2000 Minitower Computer Drive Configuration 1 Primary hard drive bay (3.5-inch, third-height) 2 Standard 3.5-inch 1.44-MB diskette drive 3 Optional diskette drive (5.25-inch), tape drive, hard drive, LS-120 drive, or CD-R...

1-22 Product Description 1.6 Enhanced Keyboard The enhanced keyboard features Windows-specific keys: ✎ Keyboard layout may vary by country. Figure 1-8. Enhanced Keyboard

Compaq Deskpro 2000 Series of Personal Computers 1-23 Table 1-9 Keyboard Features and Functions Ref. Key Function 1 Esc Often assigned a specific task by the application. Frequently used as an exit key (forquitting an application), for moving back one screen, or for canceling a command. 2 Main Typew...

1-24 Product Description The keyboard has feet on the bottom that enable the user to tilt the keyboard to a more comfortabletyping angle. Figure 1-9. Keyboard Tilt Foot 1.7 Options The options that are available from Compaq for the Compaq Deskpro 2000 Series of PersonalComputers are described briefl...

Compaq Deskpro 2000 Series of Personal Computers 1-25 ■ Ultra ATA hard drives: 2.1-GB, 3.2-GB, and 4.3-GB ■ EIDE CD-ROM drive: 16X Max Speed and 24X Max Speed ■ Tape drives: 2/8 GB DAT and 4.0 GB ■ SCSI PD-CD drive: 4X speed (requires a SCSI controller board) ■ EIDE PD-CD drive: 8X speed 1.7.5 Monit...

1-26 Product Description 1.7.8 PD-CD Drive The PD-CD drive is a "two drives in one" device in that it is a rewritable optical drive and aCD-ROM drive. It is a 5.25-inch, half-height, tray-load device that uses phase-change dualtechnology to simultaneously erase and write on the media at 2X s...

Compaq Deskpro 2000 Series of Personal Computers 2-1 chapter 2 C OMPAQ U TILITIES This chapter contains descriptions of Compaq utilities that can be helpful when servicing the CompaqDeskpro 2000 Series of Personal Computer. These utilities include: ■ Configuration and Diagnostics ■ ROMPaq ■ Compaq I...

2-2 Compaq Utilities CAUTION: Always ensure that the power is off before disconnecting or reconnecting the mouse, keyboard, or any other peripheral devices. Disconnecting or connecting any peripheral devices while the unit power ison can damage the system board. 3. Disconnect any peripheral devices ...

Compaq Deskpro 2000 Series of Personal Computers 2-3 Accessing the Compaq Utilities Menu from a Diskette You can load either the Computer Setup or Diagnostics Utilities by completing the following steps: 1. Insert the Diagnostics diskette into drive A. 2. Turn on or restart the computer. If Windows ...

2-4 Compaq Utilities The Computer Setup screen includes two buttons: Built-In Devices and Add-In Devices. Thefollowing tables list the options available under each of the two buttons: Table 2-1 Built-In Devices Sub-Menu Button Configuration Option Sub-Menu Button Configuration Option Video Driver an...

Compaq Deskpro 2000 Series of Personal Computers 2-5 Table 2-2 Add-In Devices Sub-Menu Button Description or Function ISA Boards Lists installed ISA boards. Allows you to Add or Remove boards and to View or Edit board information. PCI Boards Lists installed PCI boards. Allows you to View or Edit boa...

2-6 Compaq Utilities Establishing a Power-On Password Using Computer Setup Establishing a power-on password through Computer Setup prevents access to the computer whenpower is turned on, unless the password is entered. The password must be entered each time thecomputer is turned on, when the key ico...

Compaq Deskpro 2000 Series of Personal Computers 2-7 Deleting a Power-On Password To delete the password, complete the following steps: 1. Turn on the computer. 2. When the key icon ( ) appears, type your current password followed by a slash (/) or alternate delimiter character as shown: current pas...

2-8 Compaq Utilities Clearing the Password If you do not know the power-on password, you may both clear and disable it by moving the jumperon the password header located on the system board. The password header is labeled “E6 Password”on the Pentium system board and labeled “Password” on the Pentium...

Compaq Deskpro 2000 Series of Personal Computers 2-9 2.2.2 QuickLock/QuickBlank The QuickLock and QuickBlank features can disable the keyboard and mouse interfaces and blankthe screen while an application is open. QuickLock is enabled with a power-on password. IfQuickBlank is also enabled, the scree...

2-10 Compaq Utilities 2.3 Computer Checkup (TEST) Computer Checkup (TEST), the primary diagnostics utility, confirms whether the various computerdevices are recognized by the system and are functioning properly. Use the TEST utility to help setup tests and to test the computer. You may also use TEST...

2-12 Compaq Utilities 3. When the print or save menu appears, use the arrow keys to move within the menus and select the desired items using the space bar. Follow the screen prompts to print or save the information. 4. When the Add Comments menu appears, type in the desired information and follow th...

Compaq Deskpro 2000 Series of Personal Computers 2-13 2.7 Exiting the Compaq Utilities Menu To exit the Compaq Utilities menu, select the Exit option or press Ctrl+Alt+Delete. Either optionrestarts the computer and saves any changes you've made. 2.8 Compaq Enhanced Insight Personal Edition (Diagnost...

2-14 Compaq Utilities ■ Hard drives ■ Power supply ■ Controllers If POST finds an error in the system, an error condition is indicated by an audible and/or visualmessage. Refer to Appendix F for POST error messages and recommended courses of action. 2.10 ROMPaq The Compaq Deskpro 2000 Series of Pers...

Compaq Deskpro 2000 Series of Personal Computers 2-15 2.11 Compaq Intelligent Manageability Intelligent Manageability combines innovative hardware technology with PC LAN management toolsfrom Compaq and other leading vendors to make Compaq desktop and portable computers easier toinventory, troublesho...

2-16 Compaq Utilities 2.11.2 Fault Management Fault Management features combine innovative hardware and software technology to prevent the lossof critical data and minimize unplanned downtime. When a fault occurs, the computer displays a Local Alert message containing a description of thefault and a...

Compaq Deskpro 2000 Series of Personal Computers 2-17 If the monitor detects one of these conditions, the computer will send an alert over the network to thesystem administrator. Proactive Backup Proactive Backup software initiates a tape or PD-CD backup upon receiving notice of an impendingSMART ha...

2-18 Compaq Utilities ■ 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 orremotely using Compaq Insight Manager. 2.11.4 Configuratio...

Compaq Deskpro 2000 Series of Personal Computers 2-19 Upgrading Flash ROM To upgrade the ROM after you receive an upgraded ROMPaq diskette, complete the following steps: 1. Insert the ROMPaq diskette in the diskette drive, enter the correct command, and the computer will prompt for the Setup Passwor...

2-20 Compaq Utilities FailSafe Boot Block ROM The FailSafe Boot Block ROM allows for system recovery in the unlikely event of a ROM flashfailure, for example, if a power failure occurs during a ROM upgrade. The Boot Block is a flash-protected section of the ROM that checks to validate the system ROM...

Compaq Deskpro 2000 Series of Personal Computers 2-21 The following table lists the various keyboard light combinations, as well as the meaning and actionassociated with each combination. Table 2-6 Keyboard Light Combinations NumLock 1 1 CapsLock 2 2 ScrollLock 3 3 Meaning and Required Action OFF ON...

2-22 Compaq Utilities Remote Security Management Remote Security Management allows the system administrator to safely set or modify securityfeatures on remote Compaq Deskpros, directly from the centralized network management console.Enabling the system administrator to perform these tasks remotely, ...

Compaq Deskpro 2000 Series of Personal Computers 2-23 Compaq Integrated Software Additional support software is available on the Support Software CD for Compaq Desktop, Portable,and Workstation Products and the Compaq World Wide Web site (www.compaq.com). This softwaresupplements the installation of...

2-24 Compaq Utilities ■ You can download the software from the Compaq World Wide Web site (www.compaq.com). ✎ Both the CD and the web site include The Locator with Decision Support, a comprehensivelisting of the device drivers, utilities, flashable ROM images, and more, categorized byoperating syste...

Compaq Deskpro 2000 Series of Personal Computers 2-25 Compaq Insight Manager and the Insight Management Agents Using the industry-standard Simple Network Management Protocol (SNMP) found in MicrosoftWindows 95 and Windows NT Workstation, Compaq has continued the migration of managementtools from ser...

2-26 Compaq Utilities Systems Management Partners Program In addition to integrating Intelligent Manageability features with the PC LAN managementapplications highlighted above, Compaq also integrates these features with industry-leadingenterprise management platform applications. This Compaq initia...

Compaq Deskpro 2000 Series of Personal Computers 2-27 2.12.2 Restoring Your Hard Drive in Windows 95 If your hard drive has completely failed and you cannot access Windows 95, you will need to restorethe Windows 95 operating system from your backup system diskettes prior to following theinstructions...

Compaq Deskpro 2000 Series of Personal Computers 3-1 chapter 3 I LLUSTRATED P ARTS C ATALOG This chapter provides an illustrated parts breakdown and a reference for spare parts for the CompaqDeskpro 2000 Series of Personal Computers. Figure 3-1. Compaq Deskpro 2000 Series Personal Computer

Compaq Deskpro 2000 Series of Personal Computers 3-3 Table 3-1 System Unit Spare Parts: Desktop Description Spare PartNumber WarrantyTier 1. System unit cover, desktop 243089-001 A 2. Front bezel (includes 2 power switch caps and bezel blank; order logo separately) 243088-001 A 3. Logo kit (includes...

Compaq Deskpro 2000 Series of Personal Computers 3-5 Table 3-2 System Unit Spare Parts: Minitower Description Spare PartNumber WarrantyTier 1. J hood, minitower 185972-001 A 2. Access panel, minitower 185971-001 A 3. Front bezel (includes 2 power switch caps and 2 bezel blanks; order logo separately...

3-10 Illustrated Parts Catalog 3.4 Standard and Optional Boards Figure 3-6. Optional Boards

Compaq Deskpro 2000 Series of Personal Computers 3-11 Table 3-5 Standard and Optional Boards Description Spare Part Number Warranty Tier 1. SDRAM memory module kit (DIMM, 8-MB) 288438-001 A 2. SDRAM memory module kit (DIMM, 16-MB)* 278066-001 A 3. SDRAM memory module kit (DIMM, 32-MB)* 278067-001 A ...

3-12 Illustrated Parts Catalog 3.4 Standard and Optional Boards Continued Figure 3-7. System and Riser Boards

3-14 Illustrated Parts Catalog 3.5 Keyboards Figure 3-8. Keyboard Table 3-6 Keyboards Description Spare Part Number Warranty Tier 1 Keyboard (Domestic)* 166514-001 A 2. Keyboard (Arabic)* 166514-171 A 3. Keyboard (Belgian)* 166514-181 A 4. Keyboard (BHCSY)* 166514-B41 A 5. Keyboard (Brazilian)* 1665...

Compaq Deskpro 2000 Series of Personal Computers 3-19 3.7 Miscellaneous Hardware Kit Figure 3-10. Miscellaneous Hardware Kit Table 3-8 Miscellaneous Hardware Kit Description Spare Part Number Warranty Tier Miscellaneous hardware kit. Includes: 1. Slot cover (2 each)2. Screw, 6-32, TT, wafer head (6 ...

3-20 Illustrated Parts Catalog 3.8 Miscellaneous Plastics Kit Figure 3-11. Miscellaneous Plastics Kit, Desktops Table 3-9 Miscellaneous Plastics Kit, Desktops Description Spare Part Number Warranty Tier Miscellaneous plastics kit, includes: 1. Bezel blank, 1/2 height (1 each)2. Power button (2 each:...

Compaq Deskpro 2000 Series of Personal Computers 3-21 Figure 3-12. Miscellaneous Plastics Kit, Minitowers Table 3-10 Miscellaneous Plastics Kit, Minitowers Description Spare Part Number Warranty Tier Miscellaneous plastics kit, includes: 1. Bezel blank, 1/2 height (1 each)2. Spring (1 each)3. Power ...

3-22 Illustrated Parts Catalog 3.9 Miscellaneous Parts Figure 3-13. Miscellaneous Metals Kit, Desktops Table 3-11 Miscellaneous Metals Kit, Desktops Description Spare Part Number Warranty Tier Miscellaneous metals kit, includes: 1. Diskette/hard drive cage2. Riser brace 243185-001 D

Compaq Deskpro 2000 Series of Personal Computers 3-23 Figure 3-14. Miscellaneous Parts Table 3-12 Miscellaneous Parts Description Spare Part Number Warranty Tier 1. Two-button mouse 141189-401 A 2. Battery, real-time clock (external) 160274-001 A 3. Heat sink, Pentium processor (w/ 2 thermal pads) 2...

3-24 Illustrated Parts Catalog Figure 3-15. Power Switch Kit Table 3-13 Power Switch Kit Description Spare Part Number Warranty Tier Power switch kit, includes: 1. Power switch (5 each)2. Desktop mounting bracket (5 each)3. Minitower mounting bracket (5 each) 278054-001 D 3.10 Shipping Boxes Table 3...

Compaq Deskpro 2000 Series of Personal Computers 3-25 3.11 Documentation Table 3-15 Documentation Description Spare Part Number Warranty Tier Maintenance & Service Guide (desktop & minitower) 278041-001 D Illustrated Parts Map (desktop & minitower) 278042-001 D User’s Guide, Qvision 210 ...

3-26 Illustrated Parts Catalog 3.12 Software Table 3-16 Software Description* Spare Part Number Warranty Tier Diagnostics and Setup Diskettes for Commercial Desktops (Brazilian Portuguese) 275097-201 D Diagnostics and Setup Diskettes for Commercial Desktops (Danish) 275097-081 D Diagnostics and Setu...

Compaq Deskpro 2000 Series of Personal Computers 4-1 chapter 4 R EMOVAL AND R EPLACEMENT P RELIMINARIES This chapter provides general service information for the computer. Adherence to the procedures andprecautions described in this chapter is essential for proper service. 4.1 Electrostatic Discharg...

4-2 Removal and Replacement Preliminaries 4.1.2 Preventing Electrostatic Damage to Equipment Many electronic components are sensitive to ESD. Circuitry design and structure determine thedegree of sensitivity. The following proper packaging and grounding precautions are necessary toprevent damage to ...

Compaq Deskpro 2000 Series of Personal Computers 4-3 4.1.4 Grounding Workstations To prevent static damage at the workstation, use the following precautions: „ Cover the workstation with approved static-dissipative material. Provide a wrist strap connectedto the work surface and properly grounded to...

4-4 Removal and Replacement Preliminaries „ 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...

Compaq Deskpro 2000 Series of Personal Computers 4-5 4.2.3 Cleaning the Keyboard Follow all safety precautions in Section 4.2.1 before cleaning the keyboard. To clean the tops of the keys or the keyboard body, follow the procedures described in Section 4.2.2. When cleaning debris from under the keys...

4-6 Removal and Replacement Preliminaries 4.3 Service Considerations Listed below are some of the considerations that you should keep in mind during the disassembly andassembly of the computer. 4.3.1 Tools and Software Requirements To service the computer, you need the following: „ Torx T-15 screwdr...

Compaq Deskpro 2000 Series of Personal Computers 4-7 4.3.4 Hard Drives „ Handle hard drives as delicate precision components, avoiding all physical shock and vibration.This applies to failed drives as well as replacement spares. „ Use only the packaging provided by Compaq for shipping. „ Do not remo...

Compaq Deskpro 2000 Series of Personal Computers 5-1 chapter 5 R EMOVAL AND R EPLACEMENT P ROCEDURES - D ESKTOP This chapter provides subassembly/module level removal and replacement procedures for desktopmodels of the Compaq Deskpro 2000 Series of Personal Computers. After completing all necessary ...

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 thecomputer. 5.4 Computer Feet 5.5 Cable Lock 5.6 System Unit Cover 5.7 Speaker 5.8 Expansion Board 5.9.1 Memory Module 5.9.2 System ...

Compaq Deskpro 2000 Series of Personal Computers 5-3 5.3 Preparation for Disassembly See Chapter 4, “Removal and Replacement Preliminaries,” for initial procedures. To prepare the computer for disassembly, complete the following steps: 1. Remove any diskette, compact disc, or tape from the computer....

Compaq Deskpro 2000 Series of Personal Computers 5-5 5.5 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 to loosen a stubborn screw. 2. Separate the pieces of the security br...

5-6 Removal and Replacement Procedures - Desktop 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 screwdr...

Compaq Deskpro 2000 Series of Personal Computers 5-7 5.7 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 Bo...

5-8 Removal and Replacement Procedures - Desktop 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...

5-10 Removal and Replacement Procedures - Desktop 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 compute...

5-12 Removal and Replacement Procedures - Desktop 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...

Compaq Deskpro 2000 Series of Personal Computers 5-13 5.9.2 System Board Graphics MemoryModule Upgrade To install a graphics memory module upgrade for the graphics controller that is preinstalled in thesystem board, complete the following steps: 1. Remove the system unit cover (Section 5.6). 2. Remo...

5-14 Removal and Replacement Procedures - Desktop 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....

5-16 Removal and Replacement Procedures - Desktop 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 (Sectio...

Compaq Deskpro 2000 Series of Personal Computers 5-17 8. Replace the system unit cover. 5.9.4 Cache Memory (PentiumSystem Only) To install an optional cache board onto the system board, complete the following steps: 1. Remove the system unit cover (Section 5.6). 2. Remove the front bezel (Section 5....

5-18 Removal and Replacement Procedures - Desktop 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. Rem...

Compaq Deskpro 2000 Series of Personal Computers 5-19 5.11 Riser Brace The riser brace should only be removed from the computer if it has been damaged. 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). 4. Remove the...

5-20 Removal and Replacement Procedures - Desktop 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...

Compaq Deskpro 2000 Series of Personal Computers 5-21 5.13 Replacement Battery The real-time clock battery that came with the computer is non-replaceable and is permanentlyinstalled on the system board. ! WARNING: The system board contains a clock/CMOS lithium battery. The lithium battery may explod...

5-22 Removal and Replacement Procedures - Desktop Figure 5-20. Installing the Battery, Pentium II System 4. Replace the system unit cover. 5. Place the sticker contained in the battery kit onto the back of the computer above the power connector. 6. Reconnect any external devices and plug in the comp...

Compaq Deskpro 2000 Series of Personal Computers 5-23 5.14 Front Bezel Assembly The front bezel assembly consists of the front bezel, the power button, and the bezel blank. 5.14.1 Front Bezel The front bezel must be removed from the chassis before removing or installing the power supply orany of the...

5-24 Removal and Replacement Procedures - Desktop 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. Pinch...

Compaq Deskpro 2000 Series of Personal Computers 5-25 5.14.3 Bezel Blank To remove a bezel blank, complete the following steps: 1. Remove the system unit cover (Section 5.6). 2. Remove the front bezel (Section 5.14.1). 3. Lay the front bezel face down on a protected work surface. Push the tab that i...

5-26 Removal and Replacement Procedures - Desktop 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...

Compaq Deskpro 2000 Series of Personal Computers 5-27 5.15 Power Supply Assembly The power supply assembly is divided into two sections: one for the power switch assembly and onefor the power supply. 5.15.1 Power Switch Assembly To remove the power switch assembly, complete the following steps: 1. R...

5-28 Removal and Replacement Procedures - Desktop 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 i...

Compaq Deskpro 2000 Series of Personal Computers 5-29 5.15.2 Power Supply To remove the power supply, 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 power switch (Section 5.15.1). 4. Disconnect all power cables f...

5-30 Removal and Replacement Procedures - Desktop 5.16 Mass Storage Devices This section discusses the removal and replacement procedures for the mass storage devices that aresupported on the Deskpro 2000 Series of Personal Computers. Refer to Chapter 1, Section 1.4.2,“Drive Positions.” 5.16.1 3.5-I...

Compaq Deskpro 2000 Series of Personal Computers 5-31 4. Remove the single screw on the left-rear of the drive that secures the drive into the chassis. 5. Pull the drive straight out of the chassis. Figure 5-29. Removing a 3.5-Inch Drive When replacing either of these drives, transfer the two wafer ...

Compaq Deskpro 2000 Series of Personal Computers 5-35 If you are installing a 3.5-inch diskette drive into a 5.25-inch drive bay, use Compaq bracket sparepart 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 ...

5-36 Removal and Replacement Procedures - Desktop 4. Install the drive assembly into the drive bay. Ensure that the guide screw fits into the tab on the left side of the bay. 5. Secure the drive with two wafer screws on the right side of the drive bay. Figure 5-35. Installing the Hard Drive/Bracket ...

Compaq Deskpro 2000 Series of Personal Computers 5-37 5.17 Drive Cage To remove the drive cage from the computer chassis, 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 three screws that secure the drive cage to ...

5-38 Removal and Replacement Procedures - Desktop 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 boa...

Compaq Deskpro 2000 Series of Personal Computers 5-39 Figure 5-38. Removing the LED Cable, Pentium II System 5. Remove the LED ends 2 of the cable from the front of the chassis by gently pulling on the cable while at the same time pushing the ends of the LED from the front of the chassis. To install...

5-40 Removal and Replacement Procedures - Desktop 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 ris...

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.

Compaq Deskpro 2000 Series of Personal Computers 6-1 chapter 6 R EMOVAL AND R EPLACEMENT P ROCEDURES - M INITOWER This chapter provides subassembly/module level removal and replacement procedures for minitowermodels of the Compaq Deskpro 2000 Series of Personal Computers. After completing all necess...

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 thecomputer. 6.4 Computer Feet 6.5 Cable Lock 6.6.1 Access Panel 6.7 Riser Brace 6.8 Expansion Board 6.9 Expansion Board Guide 6.10...

Compaq Deskpro 2000 Series of Personal Computers 6-3 6.3 Preparation for Disassembly See Chapter 4, “Removal and Replacement Preliminaries,” for initial procedures. To prepare the computer for disassembly, complete the following steps: 1. Remove any diskette, compact disc, or tape from the computer....

Compaq Deskpro 2000 Series of Personal Computers 6-5 6.6 Exposing the Chassis 6.6.1 Access Panel To remove the access panel, complete the following steps: 1. Prepare the computer for disassembly (Section 6.3). 2. Remove the thumbscrews at the rear of the computer to release the panel. You may need a...

6-6 Removal and Replacement Procedures - Minitower 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. Remove the four sc...

Compaq Deskpro 2000 Series of Personal Computers 6-7 6.7 Riser Brace Before an expansion board can be installed or replaced, you must remove the riser brace that holdsthe expansion boards. Follow these steps to remove the riser brace: 1. Remove the access panel (Section 6.6.1). 2. Disconnect any cab...

6-8 Removal and Replacement Procedures - Minitower 6.8 Expansion Board The Compaq Deskpro 2000 Series of Personal Computers contains five expansion slots on theexpansion board. 1 Two dedicated PCI expansion slots 2 One PCI/ISA shared expansion slot 3 Two dedicated ISA expansion slots Figure 6-7. Fiv...

Compaq Deskpro 2000 Series of Personal Computers 6-9 4. Remove the expansion board screw, then slide the expansion board out of the expansion slot. Figure 6-8. Removing an Expansion Board To install an expansion board, reverse the above procedure. ✎ If you are installing an expansion board for the f...

6-10 Removal and Replacement Procedures - Minitower 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...

6-12 Removal and Replacement Procedures - Minitower 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 speak...

Compaq Deskpro 2000 Series of Personal Computers 6-13 6.12 System Board Components 6.12.1 Memory Module 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 begi...

6-14 Removal and Replacement Procedures - Minitower 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....

Compaq Deskpro 2000 Series of Personal Computers 6-17 6.12.3 Cache Memory (Pentium System Only) To install an optional cache board onto 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. Install the cache memory boa...

6-18 Removal and Replacement Procedures - Minitower 6.12.4 System Board Graphics Memory Module Upgrade To install a graphics memory module upgrade for the graphics controller that is preinstalled in thesystem board, complete the following steps: 1. Remove the access panel (Section 6.6.1). 2. Remove ...

Compaq Deskpro 2000 Series of Personal Computers 6-19 6. 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 the graphics module, reverse the above procedure. 6.13 System Board To rem...

6-20 Removal and Replacement Procedures - Minitower Figure 6-20. Removing the Pentium II System Board To replace the system board, reverse the above procedure.

Compaq Deskpro 2000 Series of Personal Computers 6-21 ✎ When installing the Pentium II system board, ensure that the air duct is mounted in the frontof the chassis with the alignment flaps 3 against the sides. The processor slides under the top flap of the air duct. CAUTION: Do not remove the air du...

6-22 Removal and Replacement Procedures - Minitower 6.14 Replacement Battery The real-time clock battery that came with the computer is non-replaceable and is permanentlyinstalled on the system board. ! WARNING: The system board contains a clock/CMOS lithium battery. The lithium battery may explode ...

Compaq Deskpro 2000 Series of Personal Computers 6-23 Figure 6-23. Installing the Battery, Pentium II System 5. Replace the riser brace if needed. 6. Replace the access panel. 7. Place the sticker contained in the battery kit onto the back of the computer above the power connector. 8. Reconnect any ...

6-24 Removal and Replacement Procedures - Minitower 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 retai...

Compaq Deskpro 2000 Series of Personal Computers 6-25 6.16 Front Bezel Assembly The front bezel must be removed before removing or installing the J hood, the power supply, or anyof the mass storage devices. 6.16.1 Front Bezel The front bezel is attached to the computer chassis with release latches t...

6-26 Removal and Replacement Procedures - Minitower 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. Pinch ...

Compaq Deskpro 2000 Series of Personal Computers 6-29 6.17 Power Supply Assembly 6.17.1 Power Supply Switch Assembly To remove the power supply switch, complete the following steps: 1. Remove the access panel (section 6.6.1). 2. Remove the front bezel (Section 6.16.1). 3. Remove the plastic switch h...

6-30 Removal and Replacement Procedures - Minitower 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...

6-32 Removal and Replacement Procedures - Minitower 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 suppl...

Compaq Deskpro 2000 Series of Personal Computers 6-33 Figure 6-33. Removing the LED Cable Assembly, Pentium II System To install the LED cable, reverse the above procedure. ✎ When reinstalling the LED end, place the LED with the black wire on top and the LED withthe white wire on the bottom. The con...

6-34 Removal and Replacement Procedures - Minitower 6.19 Mass Storage Devices This section discusses the removal and replacement procedures for the mass storage devices that aresupported on the Deskpro 2000 Series of Personal Computers. Refer to Chapter 1, Section 1.5.2,“Drive Positions.” 6.19.1 3.5...

Compaq Deskpro 2000 Series of Personal Computers 6-35 5. Remove the two wafer screws on the left of the drive that secure the drive into the chassis. 6. Pull the drive straight out of the chassis. Figure 6-35. Removing the 3.5-Inch Diskette Drive When replacing this drive, transfer the single wafer ...

Compaq Deskpro 2000 Series of Personal Computers 6-39 To install a 5.25-inch drive into a 5.25-inch drive bay, begin with step 3. 1. Place the 3.5-inch drive into the bracket. 2. Insert two screws into the two bracket holes on each side of the bracket to secure the drive. Figure 6-39. Installing the...

6-40 Removal and Replacement Procedures - Minitower 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 Secur...

Compaq Deskpro 2000 Series of Personal Computers 7-1 chapter 7 J UMPER AND S WITCH I NFORMATION This chapter provides jumper and switch information for system board jumpers, system I/O boardconnectors, and hard drives for the Compaq Deskpro 2000 Series of Personal Computers.

7-2 Jumper and Switch Information 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 adescription of them. Figure 7-1. Pentium System Board Switch, Connector, and Jumper Locations

Compaq Deskpro 2000 Series of Personal Computers 7-3 Table 7-1 Pentium System Board Connectors, Jumpers, and Switches Device Description E6 Power-on password enable/disable header E8 Clear CMOS header E9 External (replacement) battery J6 Cache memory connector J9 Riser board socket J10 DIMM #1 socke...

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 J2 DIMM Slot 1 J4 DIMM Slot 2 J5 DIMM Slot 3 J6 Graphics memory upgrade socket (used with P3) J10 Riser...

Compaq Deskpro 2000 Series of Personal Computers 7-5 7.1.2 Switch Settings The following figures and tables identify the switch settings for each processor frequency for thePentium and Pentium II system boards. CAUTION: Do not configure the system board to operate faster than the speed at which the ...

7-6 Jumper and Switch Information Figure 7-4 . SW2 Module Location, Pentium II System Board Table 7-4 Pentium II System Board Processor Speed Switch Settings S1 S2 S3 S4 Processor Speed ON ON OFF OFF 233 ON OFF ON ON 266 ON OFF ON OFF 300 Note: The bus speed is hard wired to 66 MHz. 7.2 System Board...

Compaq Deskpro 2000 Series of Personal Computers 7-7 7.2.1 Setting Power-On Password Jumpers The power-on password feature is enabled or disabled by moving the jumper on the passwordheader located on the system board. The password header is labeled “E6 Password” on the Pentiumsystem board and labele...

7-8 Jumper and Switch Information 7.2.2 Clearing Configuration The computer's configuration (CMOS) may occasionally be corrupted. If it does, it is necessary toclear the CMOS memory. The clear-CMOS header, located on the system board, is used for thisfunction. The clear-CMOS header is labeled “E8 Cl...

Compaq Deskpro 2000 Series of Personal Computers 7-9 4. Replace the cover and tighten the thumbscrews on the rear panel. 5. Turn the computer on. 6. Run the Computer Setup utility to reconfigure the system. ✎ When jumper on the clear-CMOS header is removed, the password becomes invalidbecause the pa...

7-10 Jumper and Switch Information 7.3 Hard Drives For more information about Compaq hard drives, refer to Appendix C in this guide. For moreinformation 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 Sett...

Compaq Deskpro 2000 Series of Personal Computers 7-15 Figure 7-18. 4.3-GB Ultra SCSI Hard Drive Jumper Settings Table 7-12 Jumper Settings Jumper J2 Jumper J6 Definition Jumper Definition A0 A1 A2 Enable Terminators TE SCSI ID = 0 Off Off Off Delay Motor Start DS SCSI ID = 1 On Off Off Enable Motor ...

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 Table 7-16 Jumper Settings Definition Jumper Primary MA Secondary SL Cable select CS 7.5 Optional PD-CD Drives For more information about SCSI devices, refer to Appendix D....

Compaq Deskpro 2000 Series of Personal Computers 7-19 7.6 Diskette Drive IA1DRV2CSL2MST CS MA SL MD0 120 MB Floppy Drive Assembly Number 184932 Figure 7-24. LS-120 Diskette Drive Jumper Settings Table 7-17 Jumper Settings (Top Insert) Setting IA 1DRV 2CSL 2MST Cable Select Off Off On Off Device 0 (P...

Compaq Deskpro 2000 Series of Personal Computers 8-1 chapter 8 S PECIFICATIONS This chapter provides physical, environmental, and performance specifications for the computer,keyboard, and mass storage devices. 8.1 System Table 8-1 Desktop System Specifications U. S. Metric Dimensions HeightWidthLeng...

8-2 Specifications Table 8-2 Minitower System Specifications U. S. Metric Dimensions HeightWidthDepth 18.49 in 7.31 in16.89 in 46.96 cm18.57 cm42.90 cm Weight 34.0 lb 15.40 kg System Power Rating 185 W 185 W Power Supply Operating Voltage RangeRated Voltage RangeRated Line FrequencyRated Input Curre...

Compaq Deskpro 2000 Series of Personal Computers 8-3 Table 8-3 System Interrupts Hardware IRQ System Function IRQ 0 Timer Interrupt (Not on ISA Bus) IRQ 1 Keyboard (Not on ISA Bus) IRQ 2 Interrupt Controller Cascade (Not on ISA Bus) IRQ 3 Unused IRQ 4 Serial Port (COM 1) IRQ 5 Enhanced Business Audi...

8-6 Specifications Table 8-6 System Memory Map Size Memory Address System Function 256 KB FFFFFFFFh to FFFC0000h System ROM 2,080,512 KB FFFBFFFFh to 81000000h PCI Memory Expansion 16 MB 80FFFFFFh to 80000000h ISA Memory Mapped I/O Devices 1792 MB 7FFFFFFFh to 10000000h PCI Memory Expansion 240 MB 0...

Compaq Deskpro 2000 Series of Personal Computers 8-7 8.2 Drives Table 8-7 1.44 MB Diskette Drive Size and Capacity Size (in) 3.5 High Density (MB) 1.44 Low Density (KB) 720 Compaq Spare Part Number 160788-201 Light Green Height One-third Bytes per Sector 512 Sectors per Track High Density 18 Low Den...

8-8 Specifications Table 8-8 Hard Drives IDE/EIDE 2.1-GB 3.2-GB Formatted Capacity Physical (MB)Logical (MB) 2111.862111.86 3209.03209.0 Compaq Spare Part Number 278745-001 278746-001 Drive Type 65 65 Transfer Rate Interface (Mbytes/sec) 16.7 16.7 Typical Seek Time(including settling) Single Track (...

Compaq Deskpro 2000 Series of Personal Computers 8-9 Table 8-9 Ultra SCSI Hard Drives 2.1 GB 4.3 GB Formatted Capacity Physical (MB)Logical (MB) 2.162.10 4.64.3 Compaq Spare Part Number 247409-001 247408-001 Transfer Rate Media (MB/sec)Interface (MB/sec) 62.5 - 103.420.0 83.2 - 139.320.0 Typical See...

Compaq Deskpro 2000 Series of Personal Computers 8-11 Table 8-11 PD-CD Drive 4X 8X Compaq Spare Part Number 184691-201 185951-001 Disc Application Disc CD-ROMCD-XACD-ICD-I ReadyPhoto CDCD-WO Mode 1 & 2, CD-DAMode 2, Form 1 & 2Mode 2, Form 1 & 2CD-BridgeSingle & Multi sessionFixed and...

8-12 Specifications Table 8-11 Continued Indicators Busy LED Mode LED Green = Drive ready and media is insertedAmber = Media accessAmber = PD, Green = CD Green = Drive ready and media is insertedAmber = Media accessAmber = PD, Green = CD Reliability 35,000 POH, 25% (MTBF)30 minutes (MTTR)5 years (se...

8-14 Specifications 8.3 Audio System Table 8-13 Audio System Compaq Business Pro Audio Board Compaq Spare Part Number 278792-001 Sampling Rate 5.51 KHz to 44 KHz (adjustable) Maximum Voltage (rms) Microphone-in Headphone-out Line-in Line-out 0.030n/a0.70.7 Output Power Headphone-out* Internal speake...

Compaq Deskpro 2000 Series of Personal Computers 8-15 8.5 Mouse Table 8-15 2-Button Mouse U.S. Metric Dimensions HeightLengthWidth 1.34 in4.45 in2.36 in 3.4 cm11.3 cm 6.0 cm Weight 4.59 oz 130 g Base Resolution 400 dpi 400 dpi Tracking Speed (maximum) 10 in/sec 25 cm/sec Temperature OperatingStorage...

8-16 Specifications Table 8-17 MPEG1 Graphics Controller Resolution Ma×imum Refresh Rate, Hz 1-MB SGRAMColors Supported 2-MB SGRAMColors Supported 640 × 480 85 16.7-M 16.7-M 800 × 600 85 65-K 16.7-M 1024 × 768 85 256 65-K 1280 × 1024 75 N/A 256 Table 8-18 Matrox MGA-1064SG Embedded Graphics Controll...

Compaq Deskpro 2000 Series of Personal Computers A -1 appendix A C ONNECTOR P IN A SSIGNMENTS This appendix contains the pin assignments for all external connectors: Table A-1 Keyboard Connector and Icon (Orange) Pin Signal 6 3 4 5 2 1 KEY 1 2 3 4 5 6 Data Unused Ground +5 VDC Clock Unused Table A-2...

Compaq Deskpro 2000 Series of Personal Computers A -3 Table A-5 Monitor Connector Pin Signal 7 8 KEY 10 1 2 3 4 5 6 15 14 13 12 11 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Red Analog Green Analog Blue Analog Monitor ID Bit2 Ground Ground Analog Ground Analog Ground Analog Not Connected Ground Monitor ID ...

A -4 Connector Pin Assignments Table A-8 Ultra-Wide SCSI Connector Connector and Icon Pin Signal 1-16 17 - 18 19 20 - 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 - 50 51 - 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 Ground TERMPWR Reserved Ground D12 D13 D14 D15 DP1 D0 D1 D2 D3 D4 D5 D6 D...

Compaq Deskpro 2000 Series of Personal Computers A -5 Table A-9 Line-In Audio Connector Connector and Icon Pin Signal 1 (Outside)2 (Inside)3 (Inside) GroundLeft Channel DataRight Channel Data Table A-10 Line-Out Audio Connector Connector and Icon Pin Signal 1 (Outside)2 (Inside)3 (Inside) GroundLeft...

A -6 Connector Pin Assignments Table A-14 IDE/EIDE Drive Cable 1 39 2 40 Pin Signal Pin Signal 1 RESET 21 DREQ 2 GND 22 GND 3 DD7 23 DIOW 4 DD8 24 GND 5 DD6 25 DIOR 6 DD9 26 GND 7 DD5 27 IORDY 8 DD10 28 Cable Select 9 DD4 29 DMACK 10 DD11 30 GND 11 DD3 31 INTRQ 12 DD12 32 IOCS16 13 DD2 33 DA1 14 DD1...

Compaq Deskpro 2000 Series of Personal Computers B -1 appendix B P OWER C ORD S ET R EQUIREMENTS The voltage select switch feature on the computer permits it to operate from any line voltage between100-120 or 200-240 volts AC. The power cord set received with the computer meets the requirements for ...

B -2 Power Cord Set Requirements Country-Specific Requirements Power Cord Set Requirements–By Country Country Accrediting Agency Applicable Note Numbers Australia EANSW 1 Austria OVE 1 Belgium CEBC 1 Canada CSA 2 Denmark DEMKO 1 Finland SETI 1 France UTE 1 Germany VDE 1 Italy IMQ 1 Japan JIS 3 Norwa...

Compaq Deskpro 2000 Series of Personal Computers C -1 appendix C H ARD D RIVES Compaq Computer Corporation uses IDE/EIDE hard disk drives that conform to two differentprimary/secondary implementations. These are Conner mode and ATA-compatible mode. These twomodes are incompatible with one another. D...

C -2 Hard Drives SMART The hard drives for the Compaq Deskpro 2000 Series of Personal Computers are all SMARTcompatible. Drives that are SMART compatible have built-in drive failure prediction that warns theuser or the network administrator of an impending failure or crash of the hard drive. Automat...

Compaq Deskpro 2000 Series of Personal Computers C -3 In order to take full advantage of the higher transfer rates, the standard 40-conductor cable must bereplaced with an optional 80-conductor cable. The Compaq Deskpro 2000 Series of PersonalComputers will support up to four mass storage devices. T...

Compaq Deskpro 2000 Series of Personal Computers D -1 appendix D SCSI G UIDELINES This appendix contains helpful guidelines for installing Small Computer System Interface (SCSI)devices. For more detailed information, refer to the documentation that came with your computer. Guidelines for InstallingO...

D -2 SCSI Guidelines Termination 1. Every SCSI chain must be terminated at both ends regardless of whether it is an internal SCSI chain, an external SCSI chain, or a combination internal-external SCSI chain. 2. The PD-CD drive must be terminated by using a SCSI interconnect cable that has a terminat...

Compaq Deskpro 2000 Series of Personal Computers E -1 appendix E D IAGNOSTIC E RROR C ODES Diagnostic error codes occur if the system recognizes a problem while running the CompaqDiagnostics program. These error codes help identify possibly defective subassemblies. Table E-1 lists the device codes (...

E -2 Diagnostic Error Codes Tables E-2 through E-18 list possible error codes, descriptions of each error condition, and actionsrequired to resolve the error condition. ✎ Retest the system after completing each step. If the problem has been resolved, do notproceed with the remaining steps. For assis...

Compaq Deskpro 2000 Series of Personal Computers E -5 Table E-9 Hard Drive Test Error Codes ErrorCode Description Recommended Action 1701-xx Hard drive format test failed. The following steps apply to error codes 1701-xx through 1736-xx: 1702-xx Hard drive read test failed. 1. Run Computer Setup and...

E -6 Diagnostic Error Codes Table E-11 Video Test Error Codes Error Code Description Recommended Action 2401-xx Graphics controller test failed. 1. Replace the video board and retest. 2. Replace the system board and retest. 2402-xx Video memory test failed. The following steps apply to error codes 2...

Compaq Deskpro 2000 Series of Personal Computers E -7 Table E-11 Continued ErrorCode Description Recommended Action 2458-xx Advanced VGA BitBLT test. The following steps apply to error codes 2458-xx through 2480-xx: 2468-xx Advanced VGA DAC test. 1. Replace the video board and retest. 2477-xx Advanc...

E -8 Diagnostic Error Codes Table E-14 SCSI CD-ROM Test Error Codes ErrorCode Description Recommended Action 6600-xx ID test failed. The following steps apply to error codes error codes 6600-xxthrough 6623-xx: 6605-xx Read test failed. 1. Replace the CD media and retest. 6608-xx Controller test fail...

Compaq Deskpro 2000 Series of Personal Computers E -9 SCSI Error Codes This section includes the error codes for the following SCSI devices: ■ Hard drives ■ CD-ROM drives ■ Tape drives ■ PD-CD drives The SCSI error codes are written in the format AABB-CC and can be determined by looking up therespec...

E -10 Diagnostic Error Codes Table E-18 SCSI Test Error Codes Error Code Description Recommended Action XXXX-02 Drive not installed. Check cable connections. XXXX-03 Media not in drive. Check for and install DATA CD or write-enabled tape in drive. XXXX-05 Seek failure. Replace the indicated device. ...

Compaq Deskpro 2000 Series of Personal Computers F -1 appendix F POST E RROR M ESSAGES An error message results if the Power-On Self-Test encounters a problem. This test runs when thesystem is turned on, checking assemblies within the computer and reporting any errors found. Table F-1 Power-On Self-...

Compaq Deskpro 2000 Series of Personal Computers G-1 appendix G T ROUBLESHOOTING W ITHOUT D IAGNOSTICS This section describes some simple, preliminary tests and guidelines for troubleshooting thecomputer without using the diagnostics. Checklist for Solving MinorProblems If you encounter some minor p...

G-2 Troubleshooting Without Diagnostics Power Problems This section identifies some quick checks for power–related problems. Table G-1 Solutions for Power Problems Problem Possible Solution Computer will not turn on. Ensure that the computer is connected to a power source. Cables to the external pow...

Compaq Deskpro 2000 Series of Personal Computers G-3 Diskette Drive Problems This section identifies some quick checks for diskette drive problems. Table G-3 Solutions for Diskette Drive Problems Problem Possible Solution Diskette drive light stays on. 1. Diskette might be damaged. In Windows NT, ru...

G-4 Troubleshooting Without Diagnostics Display Problems This section identifies some quick checks for display–related problems. Table G-4 Solutions for Display Problems Problem Possible Solution Screen is blank. 1. Monitor is not turned on and the monitor light is not on. Turn on the monitor and ch...

Compaq Deskpro 2000 Series of Personal Computers G-5 Printer Problems This section identifies some quick checks for printer–related problems. Table G-5 Solutions for Printer Problems Problem Possible Solution Printer will not print. 1. Printer is not turned on and online. Turn the printer on and mak...

G-6 Troubleshooting Without Diagnostics 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, driveserial number, drive model, and drive firmware revision. Specific d...

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 A new device is not recognized as partof the computer system. 1. The ...

G-8 Troubleshooting Without Diagnostics CD-ROM Drive Problems This section identifies some quick checks for CD-ROM drive–related problems. Table G-8 CD-ROM Drive Problems Problem Possible Solution Cannot read compact disc. 1. CD is not properly seated in the drive. Eject the CD, correctly seat it in...

Compaq Deskpro 2000 Series of Personal Computers G-9 Memory Problems This section identifies some quick checks for memory–related problems. Table G-9 Memory Problems Problem Possible Solution Out of Memory error. 1. In Windows NT, run Performance Monitor. At the Start menu, highlight Programs and se...

G-10 Troubleshooting Without Diagnostics Network Problems Some common causes and solutions for network problems are listed in the following table. Theseguidelines do not discuss the process of debugging network cabling. Table G-11 Network Problems Problem Cause Solution System does not detect anetwo...

G-12 Troubleshooting Without Diagnostics Resolving AudioHardware Conflicts Hardware conflicts occur when two or more peripheral devices contend for the same signal lines orchannels. Conflicts between the audio interface and another peripheral device may be due to thesettings of the base I/O addresse...

Compaq Deskpro 2000 Series of Personal Computers H-1 appendix H I NTEL 440LX C HIPSET M EMORY L IMITATIONS The Intel 440LX Chipset has many functions, one of which is memory support. The CompaqDeskpro 2000 Series of Personal Computers with the Intel Pentium II processor comes standardwith three DIMM...

H-2 Intel 44LX Chipset Memory Limitations Table H-1 SDRAM Memory Technologies SDRAM Size Address Locations SDRAM Width Number Of Chips Non-ECC (64 bits) Number Of Chips ECC (72 bits) DIMM Size 1M×16 1M ×16 4 chips total, 1 side 5 or 6 chips total -1 side 8 MB 1M×16 1M ×16 8 chips total, 4 per side 1...

Compaq Deskpro 2000 Series of Personal Computers H-3 Table H-2 shows which configurations of ×8 and ×32 DIMMs are supported. Table H-2 Supported Memory Configurations DIMM SLOT Supported 1 2 3 Configuration ×8 ×8 ×8 Yes ×8 ×8 ×32 No ×8 ×32 ×8 Yes ×8 ×32 ×32 No ×32 ×8 ×8 Yes ×32 ×8 ×32 No ×32 ×32 ×8 ...

Index I-1 Index A access panel illustrated, 3-4removal and replacement, 6-5spare part number, 3-5 activity lights, 1-14, 1-17add-in devices listing, 2-5 agency requirements power cord, B-2 Alt key, 1-23asset management, 1-12, 2-15 AssetControl, 1-12, 2-15audio resolving hardware conflicts, G-12 spec...