Compaq 150236-002 Deskpro EN Series of Personal Computers - Slim Desktop Model
Compaq 150236-002 - Deskpro EN - 6550 Model 10000 Manual
UPC - 743172950642
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- Compaq 150236-002 | Deskpro EN Series of Personal Computers - Slim Desktop Model - Page 1
Maintenance & Service Guide Compaq Deskpro EN Series of Personal Computers Slim Desktop Models - Compaq 150236-002 | Deskpro EN Series of Personal Computers - Slim Desktop Model - Page 2
Maintenance & Service Guide Compaq Deskpro EN Series of Personal Computers Slim Desktop Part number 192128-002 Spare part number 201842-001 The complete MSG follows this addendum. This addendum contains changes to the original document. 2000 Compaq Computer Corporation. COMPAQ and the Compaq logo - Compaq 150236-002 | Deskpro EN Series of Personal Computers - Slim Desktop Model - Page 3
without onboard graphics or audio (011032-101) 10-GB Ultra ATA hard drive, 5400 ROM, Quiet Drive Audio cover Spare Part Number 203967-001 179997-001 217055-001 203191-001 219817-001 Warranty Tier B B B B D ✎ System board 217055-001 does not support front-mounted audio. Computers with this board - Compaq 150236-002 | Deskpro EN Series of Personal Computers - Slim Desktop Model - Page 4
Specifications - Graphics Controller Nvidia TNT2 Pro Graphics Controller Resolution Real-Time 3D Shading 640 x 480 800 x 600 1024 x 768 1152 x 864 1280 x 1024 1600 x 1200 1800 x 1440 1920 x 1080 1920 x 1200 256, 65K, 16.7M 256, 65K, 16.7M 256, 65K, 16.7M 256, 65K 256, 65K 256 65K 256 256/65K - Compaq 150236-002 | Deskpro EN Series of Personal Computers - Slim Desktop Model - Page 5
the heatsink thermal interface surface is scratched. This could lead to the processor running at a higher than normal temperature, fan turning at a higher than normal speed, and possible loss of data if processor shuts down from overheating. Installing the heatsink assembly backwards will cause the - Compaq 150236-002 | Deskpro EN Series of Personal Computers - Slim Desktop Model - Page 6
Maintenance & Service Guide Compaq Deskpro EN Series of Personal Computers Slim Desktop Models - Compaq 150236-002 | Deskpro EN Series of Personal Computers - Slim Desktop Model - Page 7
part of this guide may be photocopied or reproduced in any form without prior written consent from Compaq Computer Corporation. 2000 Compaq Computer Corporation. Printed in the U.S.A. COMPAQ, the Compaq of the agreement. Maintenance & Service Guide Compaq Deskpro EN Series of Personal Computers - Compaq 150236-002 | Deskpro EN Series of Personal Computers - Slim Desktop Model - Page 8
Connectors 1-3 1.1.3 Drive Positions 1-4 1.2 Serial Number Location 1-5 1.3 Locating Additional Information 1-6 chapter 2 Spare Parts 2.1 System Unit...2-1 2.2 Mass Storage Devices ...2-2 2.3 Cables...2-3 2.4 Standard, Memory, and Expansion Boards 2-4 2.5 Keyboards ...2-5 2.6 Miscellaneous - Compaq 150236-002 | Deskpro EN Series of Personal Computers - Slim Desktop Model - Page 9
3.3 Service Considerations...3-5 3.3.1 Power Supply Fan 3-5 3.3.2 Tools and Software Requirements 3-5 3.3.3 Screws...3-5 3.3.4 Cables and Connectors 3-6 3.3.5 Hard Drives ...3-6 3.3.6 Lithium Coin Cell Battery 3-6 chapter 4 Removal & Replacement Procedures 4.1 Disassembly Sequence Chart 4-2 4.2 - Compaq 150236-002 | Deskpro EN Series of Personal Computers - Slim Desktop Model - Page 10
System Memory Map 6-5 6.2 Drives...6-6 6.2.1 Diskette Drive...6-6 6.2.2 Ultra ATA Hard Drives 6-7 6.2.3 CD-ROM Drive 6-8 6.3 Compaq Keyboards...6-9 6.4 Compaq Scroll Mouse...6-9 6.5 Supported Graphics Resolutions 6-10 6.5.1 Intel 3D Graphics 6-10 6.5.2 nVIDIA TNT 3D AGP 6-10 chapter 7 Service - Compaq 150236-002 | Deskpro EN Series of Personal Computers - Slim Desktop Model - Page 11
all times. • Disconnect the power from the computer by unplugging the power cord either from the electrical outlet or the computer. CAUTION: To properly ventilate your system, you must provide at least 3 inches (7.6 cm) of clearance at the front and back of the computer. Compaq Deskpro EN Series of - Compaq 150236-002 | Deskpro EN Series of Personal Computers - Slim Desktop Model - Page 12
is available to support these products: I User Documentation I Technical Training Guides I Compaq Service Advisories and Bulletins I Compaq QuickFind I Technical Reference Guide I Compaq Quick Reference Guide I Compaq Service Reference Guide I Compaq Quick Troubleshooting Guide viii About This - Compaq 150236-002 | Deskpro EN Series of Personal Computers - Slim Desktop Model - Page 13
1 chapter PRODUCT DESCRIPTION This chapter describes the model features of the Compaq Deskpro EN Series Slim Desktop model of Personal Computers. Compaq Deskpro EN Series of Personal Computers 1-1 - Compaq 150236-002 | Deskpro EN Series of Personal Computers - Slim Desktop Model - Page 14
-State Power Button Switches the computer between sleep and wakeup modes; can be configured as an on/off button. 3 Hard Drive Activity Light Turns on when the hard drive is reading or saving data. 4 Stereo Headphone Jack Connects headphones to the CD-ROM drive. 5 CD-ROM Drive Volume Control - Compaq 150236-002 | Deskpro EN Series of Personal Computers - Slim Desktop Model - Page 15
cable. Connects a microphone. Provides connection for externally powered speakers, headphone, or for audio recording. Connects a device that supplies sound, such as a tape deck or CD player. ✎ Connectors include icons for ease of identification. Compaq Deskpro EN Series of Personal Computers 1-3 - Compaq 150236-002 | Deskpro EN Series of Personal Computers - Slim Desktop Model - Page 16
Standard 3.5-inch, third-height bay for optional hard drive 3 Standard 5.25-inch drive bay for optional drives 4 Standard 3.5-inch, third-height, standard, 1.44-MB diskette drive bay 5 Standard 3.5-inch, third-height, standard hard drive bay To verify the type, size, and capacity of the mass storage - Compaq 150236-002 | Deskpro EN Series of Personal Computers - Slim Desktop Model - Page 17
1.2 Serial Number Location Provide the computer serial number to Compaq when requesting information or ordering spare parts. The serial number is displayed on the rear of the computer below the expansion slots 1 and also on the top of the computer access panel 2. Compaq Deskpro EN Series of Personal - Compaq 150236-002 | Deskpro EN Series of Personal Computers - Slim Desktop Model - Page 18
is available to support these products: I User Documentation I Technical Training Guides I Compaq Service Advisories and Bulletins I Compaq QuickFind I Technical Reference Guide I Compaq Quick Reference Guide I Compaq Service Reference Guide I Compaq Quick Troubleshooting Guide 1-6 Product - Compaq 150236-002 | Deskpro EN Series of Personal Computers - Slim Desktop Model - Page 19
System Unit Description 1 Access panel 2 Chassis assembly 3 Front bezel 4 Front panel trim 5 Smart cover lock solenoid with cable 6 Speaker 7 Power supply, 200 W Spare Part Number Not spared Not spared 201272-001 Misc Plastics Kit 179189-001 192518-001 176764-001 Warranty Tier D D B D B Compaq - Compaq 150236-002 | Deskpro EN Series of Personal Computers - Slim Desktop Model - Page 20
Mass Storage Devices Description 1 3.5-inch, 1.44-MB, buttonless diskette drive 2 48X Max IDE CD-ROM drive, opal 3 10.0-GB ATA/66 7200 RPM hard drive * 15.0-GB ATA/66 7200 RPM hard drive * 20.0-GB ATA/100 7200 RPM hard drive *Not shown. Spare Part Number 191714-001 187263-001 135364-001 192060-001 - Compaq 150236-002 | Deskpro EN Series of Personal Computers - Slim Desktop Model - Page 21
2 Single connection, hard drive data cable (108950-021) 3 Single connection, CD-ROM drive data cable (108950-019) 4 CD audio (387527-001) * 40 position data (105876-001) (not used with this product) * Audio, SB, 21 (288489-002) (not used with this product) *Not shown. Spare Part Number 166879-002 - Compaq 150236-002 | Deskpro EN Series of Personal Computers - Slim Desktop Model - Page 22
, heatsink, and clip. * 933/133 MHz with fansink (191845-002). Fansink includes fan, heatsink, and clip. 4 AIMM (GPA) 4MB, 133MHz Graphics Card 5 System Board, 815e chipset *Not shown. Spare Part Number 179997-001 170080-001 170081-001 192014-001 192007-001 192008-001 192009-001 192006-001 - Compaq 150236-002 | Deskpro EN Series of Personal Computers - Slim Desktop Model - Page 23
Description * Easy Access Keyboard-US * USB Easy Access Keyboard-US * Enhanced, Smart Card-US * Basic, Smart Card-US * Spacesaver, * Swedish * Swiss * Taiwanese * Thai * Turkish * UK * US *Not shown. Spare Part Number 123130-xxx 173304-xxx 125761-xxx 125790-xxx 269513-xxx -171 -181 -201 -B41 -221 - Compaq 150236-002 | Deskpro EN Series of Personal Computers - Slim Desktop Model - Page 24
-002) * 6-32 x 5/16 hi-top, taptite screw (5 ea.) (109834-568) * 6-19 x 1/2 Panhead, plastite screw (4 ea.) (101346-071) * Thumbscrew, molded cap (179333-002) *Not shown. Spare Part Number 179180-001 Warranty Tier D 2-6 Spare - Compaq 150236-002 | Deskpro EN Series of Personal Computers - Slim Desktop Model - Page 25
) 2 Front panel trim (piece below front bezel) (161056-001) 3 Rubber foot (4 ea.) (166939-002) * Screw (for front panel trim) (2 ea.) (192308-001) *Not shown. Spare Part Number 201271-001 Warranty Tier D Compaq Deskpro EN Series of Personal Computers 2-7 - Compaq 150236-002 | Deskpro EN Series of Personal Computers - Slim Desktop Model - Page 26
Parts Description 1 Power switch board with cable 2 Smart cover lock solenoid with cable 3 Speaker, 40x70, 12, with cable 4 Battery 5 Two-button scroll mouse 6 Active fansink, includes fan, heatsink, and clip (for use with 800MHz+ processors) * Chassis fan assembly (for use with 933MHz+ processors - Compaq 150236-002 | Deskpro EN Series of Personal Computers - Slim Desktop Model - Page 27
and Software Description Documentation Maintenance & Service Guide Illustrated Parts Map Service Reference Guide Quick Troubleshooting Guide Spare Part Number 207742-001 Warranty Tier A Spare Part Number 201842-001 203721-001 152611-001 153837-001 Compaq Deskpro EN Series of Personal Computers - Compaq 150236-002 | Deskpro EN Series of Personal Computers - Slim Desktop Model - Page 28
service. CAUTION: When the computer is plugged into an AC power source there is always voltage applied to the system board. You must disconnect the power cord from the power discharge (ESD) may not be affected at all and can work perfectly throughout a normal cycle. The device may function normally - Compaq 150236-002 | Deskpro EN Series of Personal Computers - Slim Desktop Model - Page 29
added protection. ! Handle electrostatic sensitive components, parts, and assemblies by the case or PCB laminate. Handle them only at static-free workstations. ! Turn off power and input signals before inserting and removing connectors or test equipment. 3-2 Removal & Replacement Preliminaries - Compaq 150236-002 | Deskpro EN Series of Personal Computers - Slim Desktop Model - Page 30
work area free of nonconductive materials such as ordinary plastic assembly aids and Styrofoam. ! Use field service any parts in water keyboard, mouse, or air vents. 5. Disconnect the keyboard before cleaning it. 6. Wear safety glasses equipped with side shields when cleaning the keyboard. Compaq - Compaq 150236-002 | Deskpro EN Series of Personal Computers - Slim Desktop Model - Page 31
the procedures described below: ! To remove light stains or dirt, use plain water with a clean, lint-free cloth or swab. ! For stronger keyboard. To clean the tops of the keys or the keyboard body, follow the procedures described in Section 3.2.2. When cleaning debris from under the keys, review - Compaq 150236-002 | Deskpro EN Series of Personal Computers - Slim Desktop Model - Page 32
or "Suspend" mode). You must disconnect the power cord from the power source before opening the computer to prevent system board or component damage. Tools and Software Requirements To service the computer, you need the following: ! Torx T-15 screwdriver (Compaq screwdriver with bits PN 161946-001 - Compaq 150236-002 | Deskpro EN Series of Personal Computers - Slim Desktop Model - Page 33
be caught or snagged by parts being removed or replaced. CAUTION: When servicing this computer, ensure that cables are placed in their proper location during the reassembly process. Improper cable placement can damage the computer. Hard Drives Handle hard drives as delicate precision components - Compaq 150236-002 | Deskpro EN Series of Personal Computers - Slim Desktop Model - Page 34
removal and replacement procedures, run the Diagnostics utility to verify that all components operate properly. CAUTION: When the computer is plugged into an AC power source, there is always voltage applied to the system board. You must disconnect the power cord from the power source before - Compaq 150236-002 | Deskpro EN Series of Personal Computers - Slim Desktop Model - Page 35
Rotate Drive Cage 4.15.2 Diskette Drive 4.15.3 Hard Drive 4.16✱ System Board 4.17 Battery 4.18 Power Button/LED Board 4.19 Hood Sensor 4.20 Processor Assembly 4.21 Speaker 4.22 Power Supply 4.23 Chassis Fan Assembly ✱ These steps are interdependent. 4-2 Removal & Replacement Procedures - Compaq 150236-002 | Deskpro EN Series of Personal Computers - Slim Desktop Model - Page 36
: When the computer is plugged into an AC power source there is always voltage applied to the system board. You must disconnect the power cord from the power source before opening the computer to prevent system board or component damage. CAUTION: The cooling fan is off only when the computer is - Compaq 150236-002 | Deskpro EN Series of Personal Computers - Slim Desktop Model - Page 37
(e.g., processor or power supply) failure ! Lost password CAUTION: Turn off the computer before disconnecting any cables. CAUTION: When the computer is plugged into an AC power source there is always voltage applied to the system board. You must disconnect the power cord from the power source - Compaq 150236-002 | Deskpro EN Series of Personal Computers - Slim Desktop Model - Page 38
access panel to be removed. 2. Remove the access panel. To reattach the Smart Cover Lock, secure the lock in place with the tamper-proof screws. Compaq Deskpro EN Series of Personal Computers 4-5 - Compaq 150236-002 | Deskpro EN Series of Personal Computers - Slim Desktop Model - Page 39
using a small, flat- bladed screwdriver. 3. Remove the protective strip from the adhesive on the back of the new feet and press them into place. 4-6 Removal & Replacement Procedures - Compaq 150236-002 | Deskpro EN Series of Personal Computers - Slim Desktop Model - Page 40
the computer accommodates a cable lock so that the computer can be physically secured to a work area. 1. Loop the cable around a heavy, fixed object to which you want to lock for this system is the Kensington MicroSaver Security System, Model 64068. Compaq Deskpro EN Series of Personal Computers 4-7 - Compaq 150236-002 | Deskpro EN Series of Personal Computers - Slim Desktop Model - Page 41
the unit. ✎ The configuration label located inside the computer cover provides additional information. Another label located inside the computer chassis provides information about diagnosing computer conditions using the power and hard drive LEDs. To replace the access panel, reverse the removal - Compaq 150236-002 | Deskpro EN Series of Personal Computers - Slim Desktop Model - Page 42
4.7 Front Bezel 1. Prepare the computer for disassembly (Section 4.2). 2. Remove the access panel (Section 4.6). 3. From the inside of the unit, remove the two screws slots in the chassis. To install the front bezel, reverse the removal procedure. Compaq Deskpro EN Series of Personal Computers 4-9 - Compaq 150236-002 | Deskpro EN Series of Personal Computers - Slim Desktop Model - Page 43
4.8 Front Panel Trim 1. Prepare the computer for disassembly (Section 4.2). 2. Remove the access panel (Section 4.6). 3. Remove the front bezel (Section 4.7). 4. Remove the two screws connecting of the trim fit into the three associated slots in the base pan. 4-10 Removal & Replacement Procedures - Compaq 150236-002 | Deskpro EN Series of Personal Computers - Slim Desktop Model - Page 44
4.9 Removing a Blank Drive Bezel 1. Prepare the computer for disassembly (Section 4.2). 2. Remove the access panel (Section 4.6). 3. Squeeze together the release catches 1 to release the bezel blank, then remove the bezel blank 2. Compaq Deskpro EN Series of Personal Computers 4-11 - Compaq 150236-002 | Deskpro EN Series of Personal Computers - Slim Desktop Model - Page 45
sockets on the Intel 815e chipset-based system board can be populated with industry-standard DIMMs. These memory module slots are populated with at least one preinstalled memory module. To achieve the maximum memory support, you may be required to replace the preinstalled DIMM with a higher capacity - Compaq 150236-002 | Deskpro EN Series of Personal Computers - Slim Desktop Model - Page 46
nearest the preinstalled module, and install the modules following the numerical order of the sockets. A memory module can be installed in only one way. Match the notch on the module with the tab on the memory socket. Push the module down into the socket, ensuring that the module is fully inserted - Compaq 150236-002 | Deskpro EN Series of Personal Computers - Slim Desktop Model - Page 47
disassembly (Section 4.2). 2. Remove the access panel (Section 4.6). 3. Locate replace the expansion slot cover, reverse the removal procedure. Removing or Installing a PCI Expansion Card 1. Prepare the computer for disassembly back and forth until the connectors pull free from the slot. Be sure not - Compaq 150236-002 | Deskpro EN Series of Personal Computers - Slim Desktop Model - Page 48
you press firmly on the card so that the entire connector seats properly in the expansion card slot. 10. Replace the screw at the top of the expansion slot. 11. Replace the access panel. 12. Connect external cables to the installed card, if needed. 13. Reconfigure the computer, if necessary - Compaq 150236-002 | Deskpro EN Series of Personal Computers - Slim Desktop Model - Page 49
a Type I Retention Mechanism Removing a GPA/AIMM Card 1. Prepare the computer for disassembly (Section 4.2). WARNING: Power is continuous to the system board and power supply even when the power switch is turned off. To prevent damage to the unit, disconnect the power cord from the power source - Compaq 150236-002 | Deskpro EN Series of Personal Computers - Slim Desktop Model - Page 50
Installing a GPA/AIMM Card WARNING: Power is continuous to the system board and power supply even when the power switch is turned off. To prevent damage to the unit, disconnect the power cord from the power source or the unit before beginning disassembly procedures. 1. Prepare the computer for - Compaq 150236-002 | Deskpro EN Series of Personal Computers - Slim Desktop Model - Page 51
connector. 6. While pulling the arm on the right side of the retention mechanism 5, rotate the card down into the expansion slot until seated 6. 4-18 Removal & Replacement Procedures - Compaq 150236-002 | Deskpro EN Series of Personal Computers - Slim Desktop Model - Page 52
4.12.2 AGP Card with a Type I Retention Mechanism Removing an AGP Card 1. Prepare the computer for disassembly (Section 4.2). 2. Remove the access panel (Section 4.6). 3. Remove the screw . To install a graphics card, reverse the removal procedure. Compaq Deskpro EN Series of Personal Computers 4-19 - Compaq 150236-002 | Deskpro EN Series of Personal Computers - Slim Desktop Model - Page 53
4.12.3 GPA/AIMM Card with a Type 2 Retention Mechanism Removing a GPA/AIMM Card 1. Prepare the computer for disassembly (Section 4.2). 2. Remove the access panel (Section 4.6). 3. Pull the arm on the right side of the retention mechanism. 4. Pull the card straight up to remove it - Compaq 150236-002 | Deskpro EN Series of Personal Computers - Slim Desktop Model - Page 54
4.12.4 AGP Card with a Type 2 Retention Mechanism Removing an AGP Card 1. Prepare the computer for disassembly (Section 4.2). 2. Remove the access panel (Section 4.6). 3. Remove the screw . To install a graphics card, reverse the removal procedure. Compaq Deskpro EN Series of Personal Computers 4-21 - Compaq 150236-002 | Deskpro EN Series of Personal Computers - Slim Desktop Model - Page 55
for disassembly (Section 4.2). 2. Remove the access panel (Section 4.6). 3. Remove the screw at the top of the expansion slot. 4. Remove the AGP graphics board as you would any PCI expansion board (Section 4.11). To install a graphics card, reverse the removal procedure. 4-22 Removal & Replacement - Compaq 150236-002 | Deskpro EN Series of Personal Computers - Slim Desktop Model - Page 56
the power cord from the power source before opening the computer to prevent system board or component damage. 1. Prepare the computer for disassembly (Section 4.2). 2. Remove the access panel (Section 4.6). 3. Disconnect the drive power cable, signal cable, and audio connector from the drive, if - Compaq 150236-002 | Deskpro EN Series of Personal Computers - Slim Desktop Model - Page 57
will line up correctly in the drive cage. Compaq has provided extra guide screws, installed in the base of the computer chassis, next to the power supply. ! WARNING: Before removing the access panel, ensure that the computer is turned off and that the power cord is disconnected from the electrical - Compaq 150236-002 | Deskpro EN Series of Personal Computers - Slim Desktop Model - Page 58
and Jumpers," for the location of the ribbon cable connections on the system board. Installing Additional Drives CAUTION: When the computer is plugged into an AC power source, there is always voltage applied to the system board. You must disconnect the power cord from the power source before opening - Compaq 150236-002 | Deskpro EN Series of Personal Computers - Slim Desktop Model - Page 59
Diskette Drive CAUTION: When the computer is plugged into an AC power source, there is always voltage applied to the system board. You must disconnect the power cord from the power source before opening the computer to prevent system board or component damage. 1. Prepare the computer for disassembly - Compaq 150236-002 | Deskpro EN Series of Personal Computers - Slim Desktop Model - Page 60
latch 1. 5. Slide the hard drive toward the center of the computer, then lift up the back of the hard drive and pull the drive out of the drive cage 2. 6. Disconnect the drive power cable and signal cable from the drive. To install a drive, reverse the removal procedure. Compaq Deskpro EN Series of - Compaq 150236-002 | Deskpro EN Series of Personal Computers - Slim Desktop Model - Page 61
the Compaq Quick Troubleshooting Guide (part number 153837-001) and the Compaq Service Reference Guide (part number 152611-001). WARNING: Power is continuous to the system board and power supply even when the power switch is turned off. To prevent damage to the unit, disconnect the power cord from - Compaq 150236-002 | Deskpro EN Series of Personal Computers - Slim Desktop Model - Page 62
number listed for your location in the Contacting Customer Support guide for more information. In Europe, do not dispose of batteries with general household waste. Dispose of or recycle them by using the public collection system or returning them to Compaq, your authorized Compaq partners, or their - Compaq 150236-002 | Deskpro EN Series of Personal Computers - Slim Desktop Model - Page 63
/LED Board 1. Prepare the computer for disassembly (Section 4.2). 2. Remove the access panel (Section 4.6). 3. Rotate the drive cage to the upright position (Section 4.14). 4. Disconnect the power cable from the system board 1. 5. Remove the two screws connecting the board to the chassis. 6. Remove - Compaq 150236-002 | Deskpro EN Series of Personal Computers - Slim Desktop Model - Page 64
4.19 Hood Sensor 1. Prepare the computer for disassembly (Section 4.2). 2. Remove the access panel (Section 4.6). 3. Rotate the drive cage to the upright position (Section 4.14). 4. Disconnect the power cable from the system board 1. 5. Push the sensor toward the front of the computer 2. 6. Pull - Compaq 150236-002 | Deskpro EN Series of Personal Computers - Slim Desktop Model - Page 65
4.20 Processor Assembly 1. Prepare the computer for disassembly (Section 4.2). CAUTION: When the computer is plugged into an AC power source, there is always voltage applied to the system board. You must disconnect the power cord from the power source before opening the computer to prevent system - Compaq 150236-002 | Deskpro EN Series of Personal Computers - Slim Desktop Model - Page 66
system board. You must disconnect the power cord from the power source before opening the computer to prevent system board or component damage. 2. Remove the access panel (Section 4.6). 3. Disconnect the speaker wire from the P6 connector located on the corner of the system board near the battery - Compaq 150236-002 | Deskpro EN Series of Personal Computers - Slim Desktop Model - Page 67
4.22 Power Supply WARNING: Power is continuous to the system board and power supply even when the power switch is turned off. To prevent damage to the unit, disconnect the power cord from the power source or the unit before beginning disassembly procedures. 1. Prepare the computer for disassembly ( - Compaq 150236-002 | Deskpro EN Series of Personal Computers - Slim Desktop Model - Page 68
only used with 933MHz or faster processors. When properly installed, this fan blows air away from the computer. 1. Prepare the computer for disassembly (Section 4.2). 2. Remove the access panel (Section 4.6). 3. Disconnect the fan power cable from the system board 1. 4. Press down on both tabs - Compaq 150236-002 | Deskpro EN Series of Personal Computers - Slim Desktop Model - Page 69
= Cleared) Clear CMOS Power Supply Connector Power Button, Pwr LED and HD LED Connector SCSI LED Connector Speaker Connector CD-ROM Audio CD-ROM Audio Chassis Fan Connector P12 P214 P215 P10 P20 SOS Connector Hood Intrusion Sensor Hood Lock Solenoid Connector Diskette Drive Connector Primary IDE - Compaq 150236-002 | Deskpro EN Series of Personal Computers - Slim Desktop Model - Page 70
for disassembly (Section 4.2). CAUTION: The power cord must be disconnected from the power source before pushing the Clear CMOS Button (NOTE: All LEDs on the board should be OFF). Failure to do so may damage the system board. 2. Remove the access panel (Section 4.6). 3. Press the CMOS button located - Compaq 150236-002 | Deskpro EN Series of Personal Computers - Slim Desktop Model - Page 71
panel. 4. Locate the header and jumper labeled E49. 5. Remove the jumper from pins 1 and 2. Place the jumper over pin 2 only, in order to avoid losing it. 6. Replace the access panel. 7. Reconnect the external equipment. 8. Plug in the computer and turn on power. Allow the operating system to start - Compaq 150236-002 | Deskpro EN Series of Personal Computers - Slim Desktop Model - Page 72
Switch Override) Each time the system starts, the system ROM saves a copy of NVRAM (including CMOS, passwords, and other system variables) in the flash ROM. Should the system become unstable, the last known good copy of NVRAM can be restored using a feature called "power button override." To restore - Compaq 150236-002 | Deskpro EN Series of Personal Computers - Slim Desktop Model - Page 73
, and Western Digital Ultra ATA Hard Drive Jumper Settings Seagate 7 - 8 Quantum 1 - 2 and 3 - 5 Western Digital 3 - 5 Primary 5 - 6 and 7 - 8 1 - 2 and 3 - 5 5 - 6 Secondary No connection 3 - 5 3 - 4 Cable Select 5 - 6 2 - 4 and 3 - 5 1 - 2 Compaq Deskpro EN Series of Personal Computers - Compaq 150236-002 | Deskpro EN Series of Personal Computers - Slim Desktop Model - Page 74
5.2.2 Maxtor Maxtor Ultra ATA Hard Drive Jumper Settings Definition J50 J48 J46 J44 J42 Single J Primary (in a dual-drive system) J Secondary O Cable Select Disabled* O Enabled J 4092 Cylinder Limitation Disabled* O Enabled J Factory Reserved O Factory Reserved O * = Default - Compaq 150236-002 | Deskpro EN Series of Personal Computers - Slim Desktop Model - Page 75
keyboard, and mass storage devices. System Specifications Dimensions Height Width Length 5.38 in 17.65 in 17.11 in Weight 26 lb Weight Supported (maximum distributed load) 100.0 lb Power Supply 90% 3048 m 9144 m 265 kg-cal/hr 133 kg-cal/hr Compaq Deskpro EN Series of Personal Computers 6-1 - Compaq 150236-002 | Deskpro EN Series of Personal Computers - Slim Desktop Model - Page 76
6.1.2 System Interrupts 6.1.3 Hardware IRQ 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 System DMA System Function Timer Interrupt Keyboard Interrupt Controller Cascade Serial Port (COM B) Serial Port (COM A) Audio Diskette Drive Parallel Port (LPT 1) Real-Time Clock Available for PCI Available for PCI - Compaq 150236-002 | Deskpro EN Series of Personal Computers - Slim Desktop Model - Page 77
Register Real-Time Clock (Standard RAM) Target Register Extended RAM Index Register Extended RAM Target Register Aliased at 70h-71h Aliased at 72h-73h or 70h-71h Channel 2, 3, 1 DMA Memory Low Page Register Reserved Page Registers Channel 6, 7, 5 DMA Memory Low Page Register Reserved Page Registers - Compaq 150236-002 | Deskpro EN Series of Personal Computers - Slim Desktop Model - Page 78
PIC OCW1 Op Ctrl Word 1 Register Aliased at A0h-A1h Advanced Power Management Control Port Register Advanced Power Management Status Port Register Channel 4, 5, 6, 7 DMA Base Block Offset for Secondary Drive PIO Mode Command Block Offset for Primary Drive PIO Mode Control Block Offset for Secondary - Compaq 150236-002 | Deskpro EN Series of Personal Computers - Slim Desktop Model - Page 79
Drive 4D0h Master PIC Edge/Level Triggered Register 4D1h Slave PIC Edge/Level Triggered Register 400-47F Super I/O F800-F87F Reserved (power System Function System ROM PCI Memory Expansion HOST or PCI Memory Expansion System ROM PCI Option ROMs Video ROM Video RAM Base Memory Compaq - Compaq 150236-002 | Deskpro EN Series of Personal Computers - Slim Desktop Model - Page 80
6.2 6.2.1 Drives Diskette Drive Size and Capacity Size (in) High Density (MB) Low Density (KB) Compaq Spare Part Number Light Height (inches) Bytes per Sector Sectors per Track High Density Low Density Tracks per Side High Density Low Density Read/Write Heads Average Seek Time (m/s) - Compaq 150236-002 | Deskpro EN Series of Personal Computers - Slim Desktop Model - Page 81
Ultra ATA Hard Drives Formatted Capacity Physical (MB) Logical (MB) Compaq Spare Part Number Total Logical Sectors Logical Geometry Cylinders Heads Sectors Physical Geometry Cylinders Heads Sectors Data Bytes/Sector Sector Interleave ECC Bytes Recording MethodEPR4 Spin-Up Time (maximum) Spin-Down - Compaq 150236-002 | Deskpro EN Series of Personal Computers - Slim Desktop Model - Page 82
CD-ROM Drive Compaq Spare Part Number 48X Max 187263-001 Data Buffer (ms) 16.6 Data Transfer Rate 150 KB/s Min (audio) CD: 3000-7200 KB/s Access Time (ms) Random Full-Stroke Seek - Compaq 150236-002 | Deskpro EN Series of Personal Computers - Slim Desktop Model - Page 83
Enhanced 1.4 in 18.3 in 6.3 in 1.4 in 18.3 in 6.3 in Compaq Smart Card 1.4 in 18.3 in 6.3 in 6.4 Compaq Scroll Mouse Dimensions Height Length Width 1.48 in 4.76 in 2.44 in Weight Base Resolution 4.6 oz 400 dpi Tracking Speed (maximum) 10 in/sec Temperature Operating Non-operating 50°F to - Compaq 150236-002 | Deskpro EN Series of Personal Computers - Slim Desktop Model - Page 84
6.5 6.5.1 6.5.2 Supported Graphics Resolutions Intel 3D Graphics Colors 640 x 480 800 x 600 1024 x 768 1152 x 864 1280 x 1024 1600 x 1200 256 85 Hz 85 Hz 85 Hz - Compaq 150236-002 | Deskpro EN Series of Personal Computers - Slim Desktop Model - Page 85
133 MHz: ! a 133-MHz front-side bus processor must be installed ! all installed DIMMs must be PC133 ! no more than four loads (four sides of SDRAM) on the data lines In all other cases, the system BIOS downshifts the memory to 100 MHz. 6. The 10-GB Ultra ATA hard drive in the new Deskpro EN Series - Compaq 150236-002 | Deskpro EN Series of Personal Computers - Slim Desktop Model - Page 86
(ZIP drive only; to boot as A:/ drive) 2. hard disk 3. none The device's native type is always "none". For the Zip drive, none means "other" device type: for the LS-120 drive, none means "diskette" device type. ! new F10 Setup device information ! service password that allows for back-door, power-on - Compaq 150236-002 | Deskpro EN Series of Personal Computers - Slim Desktop Model - Page 87
201842-001 192128-002
Compaq Deskpro EN Series
of Personal Computers
Slim Desktop Models
Maintenance &
Service Guide