Presario 3000 Service Manual

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    Maintenance and Service GuideCompaq 800 and Compaq Presario 3000Series Mobile PC

    Document Part Number: 307503-001

    November 2002

    This guide is a troubleshooting reference used for maintainingand servicing the notebook. It provides comprehensive

    information on identifying notebook features, components, andspare parts, troubleshooting notebook problems, and performingnotebook disassembly procedures.

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    2002 Compaq Information Technologies Group, L.P.

    Compaq, the Compaq logo, and Presario are trademarks of Compaq InformationTechnologies Group, L.P. in the U.S. and/or other countries. Microsoft andWindows are trademarks of Microsoft Corporation in the U.S. and/or othercountries. Intel, Pentium, and SpeedStep are trademarks of the Intel Corporationin the U.S. and/or other countries. All other product names mentioned hereinmay be trademarks of their respective companies.

    Compaq shall not be liable for technical or editorial errors or omissionscontained herein. The information in this document is provided as is withoutwarranty of any kind and is subject to change without notice. The warrantiesfor Compaq products are set forth in the express limited warranty statementsaccompanying such products. Nothing herein should be construed asconstituting an additional warranty.

    Maintenance and Service GuideFirst Edition November 2002Document Part Number: 307503-001

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    Maintenance and Service Guide iii

    Contents

    1 Product Description1.1 Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121.2 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141.3 Clearing a Password. . . . . . . . . . . . . . . . . . . . . . . . . . 16

    1.4 Power Management . . . . . . . . . . . . . . . . . . . . . . . . . . 171.5 Notebook External Components . . . . . . . . . . . . . . . . 181.6 Design Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . 118

    2 Troubleshooting2.1 Computer Setup and Diagnostics Utilities . . . . . . . . . 21

    Selecting Computer Setup or Compaq Diagnostics . 21Selecting from the File Menu . . . . . . . . . . . . . . . . . . 23Selecting from the Security Menu. . . . . . . . . . . . . . . 24

    Selecting from the Advanced Menu . . . . . . . . . . . . . 252.2 Using Compaq Diagnostics . . . . . . . . . . . . . . . . . . . . 27Obtaining, Saving, or PrintingConfiguration Information. . . . . . . . . . . . . . . . . . . . . 27Obtaining, Saving, or Printing DiagnosticTest Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

    2.3 Troubleshooting Flowcharts. . . . . . . . . . . . . . . . . . . 210

    3 Illustrated Parts Catalog

    3.1 Serial Number Location . . . . . . . . . . . . . . . . . . . . . . . 313.2 Notebook System Major Components . . . . . . . . . . . . 323.3 Miscellaneous Plastics/Hardware Kit Components . . 383.4 Miscellaneous. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 310

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    iv Maintenance and Service Guide

    Contents

    4 Removal and Replacement Preliminaries4.1 Tools Required . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 414.2 Service Considerations. . . . . . . . . . . . . . . . . . . . . . . . 42

    Plastic Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42Cables and Connectors . . . . . . . . . . . . . . . . . . . . . . . 42

    4.3 Preventing Damage to Removable Drives . . . . . . . . . 434.4 Preventing Electrostatic Damage . . . . . . . . . . . . . . . . 444.5 Packaging and Transporting Precautions . . . . . . . . . . 444.6 Workstation Precautions . . . . . . . . . . . . . . . . . . . . . . 454.7 Grounding Equipment and Methods . . . . . . . . . . . . . 46

    5 Removal and Replacement Procedures5.1 Serial Number . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 525.2 Disassembly Sequence Chart . . . . . . . . . . . . . . . . . . . 525.3 Preparing the Notebook for Disassembly . . . . . . . . . 545.4 Notebook Feet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 595.5 Memory Expansion Board . . . . . . . . . . . . . . . . . . . . . 595.6 Optical Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5125.7 LED Switch Cover . . . . . . . . . . . . . . . . . . . . . . . . . . 5135.8 Keyboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5155.9 Heat Sink . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 517

    5.10 Fan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5215.11 Processor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5225.12 Display Assembly . . . . . . . . . . . . . . . . . . . . . . . . . 5245.13 Top Cover. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5265.14 1394 Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5315.15 Modem Board. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5335.16 System Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5355.17 Real Time Clock (RTC) Battery . . . . . . . . . . . . . . 537

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    Contents

    Maintenance and Service Guide v

    6 Specifications

    A Connector Pin Assignments

    B Power Cord Set Requirements3-Conductor Power Cord Set . . . . . . . . . . . . . . . . . . . . . . B1

    General Requirements . . . . . . . . . . . . . . . . . . . . . . . . B1Country-Specific Requirements . . . . . . . . . . . . . . . . . . . . B2

    C Screw Listing

    Index

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    Maintenance and Service Guide 11

    1Product Description

    The Compaq 800 and Presario 3000 Series Mobile PCs featureIntel Mobile Pentium 4 processors, an industry-leading SiSAccelerated Graphics Port (AGP) graphics processor, a 16-inchSXGA display, a wide range of multimedia capabilities.

    Figure 1-1. Compaq 800 and Presario 3000 Series Mobile PC

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    12 Maintenance and Service Guide

    Product Description

    1.1 ModelsNotebook models are shown in Tables 1-1 through 1-3.

    Table 1-1Compaq 800 and Presario 3000

    Model Naming Conventions

    Key

    C800 P 240 X6 40 W C 51 E XXXXXX-XXX

    1 2 3 4 5 6 7 8 9 10

    Key Description Options

    1 Brand/Seriesdesignator

    C800 = 800 Series P3000 = Presario3000 Series

    2 Processor type P = Intel Pentium 4

    3 Processor speed 240 = 2.4 GHz200 = 2.0 GHz

    180 = 1.8 GHz

    4 Display type/ size/resolution

    X = XGA (1024 768) 6 = 16.x in3 = 13.x in

    5 Hard drive size 40 = 40 GB 20 = 20 GB

    6 Optical drivedesignator

    V = DVD-ROM drive D = CD-ROM drive

    7 Integratedcommunication

    M = modem0 = none

    C = modem/NICcombination card

    8 RAM 51 = 512 MB25 = 256 MB

    12 = 128 MB

    9 Operating system E = Microsoft Windows XP Home

    10 SKU#

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    Product Description

    Maintenance and Service Guide 13

    Table 1-2Compaq 800 Models

    All Compaq 800 models features: TouchPad pointing device 56KB/s modem and 10/100 NIC 1-year warranty on parts and labor Microsoft Windows XP Home

    The following Compaq 800 models use config. code LF56 and do not include abattery pack.

    C800 P 240 X6 30 W C 25 E

    Asia Pacific 316503-371 Australia/NewZealand

    316503-011

    The following Compaq 800 models use config. code LF55 and do not include abattery pack.

    C800 P 200 X3 20 D 12 25 E

    Asia Pacific 317495-371 Australia/NewZealand

    317495-011

    The following Compaq 800 models use config. code LF54 and do not include abattery pack.

    C800 P 180 X3 20 V C 25 E

    Asia Pacific 309482-371 Australia/NewZealand

    309482-011

    The following Compaq 800 models use config. code LF57 and do not include abattery pack.

    C800 P 180 X3 20 D C 12 E

    Asia Pacific 310535-371 Australia/NewZealand

    310535-011

    The following Compaq 800 models use config. code LF53 and do not include abattery pack.

    C800 P 180 X3 20 D C 12 E

    Asia Pacific 307602-371 Australia/NewZealand

    307602-011

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    14 Maintenance and Service Guide

    Product Description

    1.2 Features 2.4-, 2.0-, or 1.8-GHz Intel Mobile Pentium 4 processor, with

    256-KB integrated L2 cache, and 400-MHz frontside bus,varying by notebook model

    512- or 256-MB high-performance Synchronous DRAM(SDRAM), expandable to 1.0 GB

    Microsoft Windows XP Home

    16.0-inch SXGA (1024 768) or 13.3-inch XGA(1024 768), TFT display with over 16.7 million colors,varying by notebook model

    SiS 4X Accelerated Graphics Port (AGP) graphics processorwith 32 or 64 MB DDR shared video memory

    Table 1-3Compaq Presario 3000 Models

    The Compaq Presario 3000 model uses config. code LF51 and features: TouchPad pointing device 56KB/s modem and 10/100 NIC 1-year warranty on parts and labor Microsoft Windows XP Home 4.0 AHr Li ion battery pack

    P3008 P 240 X6 40 W C 51 E

    United States 315955-001

    The Compaq Presario 3000 model uses config. code LF52 and features: TouchPad pointing device 56KB/s modem and 10/100 NIC 1-year warranty on parts and labor Microsoft Windows XP Home 4.0 AHr Li ion battery pack

    P3005 P 200 X6 40 W C 51 E

    United States 307601-001

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    Product Description

    Maintenance and Service Guide 15

    Full-size Windows 98 keyboard with TouchPad pointingdevice

    10/100 network interface card (NIC) and 56KB/s V.92modem integrated on the system board

    AC Link audio

    12-cell Li ion battery pack

    Support for the following optical drives:

    8X Max DVD-ROM drive

    8X Max DVD-CD/RW combination drive

    Support for one Type I PC Card slot with support for both32-bit CardBus and 16-bit PC Cards

    External 90 W AC adapter with 3-wire power cord

    40- or 20-GB high-capacity hard drive, varying by notebookmodel

    Connectors for:

    Stereo line out/headphone Mono microphone

    Infrared Parallel devices External monitor

    RJ-45 network

    Universal Serial Bus 2.0 (4)

    TV out

    RJ-11 modem AC power IEEE-1394 digital

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    16 Maintenance and Service Guide

    Product Description

    1.3 Clearing a PasswordIf the notebook you are servicing has an unknown password,

    follow these steps to clear the password. These steps also clearCMOS:

    1. Prepare the notebook for disassembly (refer to Section 5.3,Preparing the Notebook for Disassembly, for moreinformation).

    2. Remove the real time clock (RTC) battery (refer to Section5.16, RTC Battery).

    3. Wait approximately five minutes.

    4. Replace the RTC battery and reassemble the notebook.

    5. Connect AC power to the notebook. Do not reinsert anybattery packs at this time.

    6. Turn on the notebook.

    All passwords and all CMOS settings have been cleared.

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    Product Description

    Maintenance and Service Guide 17

    1.4 Power ManagementThe notebook comes with power management features that

    extend battery operating time and conserve power. The notebooksupports the following power management features:

    Suspend

    Hibernation

    Setting customization by the user

    Hotkeys for setting level of performance

    Smart battery that provides an accurate battery power gauge

    Battery calibration Lid switch Suspend/resume

    Power/Suspend button

    Advanced Configuration and Power Management (ACP)compliance

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    18 Maintenance and Service Guide

    Product Description

    1.5 Notebook External ComponentsThe external components on the front and right side of the

    notebook are shown in Figure 1-2 and described in Table 1-4..

    Figure 1-2. Front and Right Side Components

    Table 1-4Front and Right Side Components

    Item Component Function

    1 Display release latch Opens the notebook.

    2 Power/Standby light On: Power is turned on.Off: Power is turned off.Blinking: Notebook is in Standby mode.

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    Product Description

    Maintenance and Service Guide 19

    3 Battery light On: A battery pack is charging.Blinking: A battery pack that is the onlyavailable power source has reached alow-battery condition.

    4 Volume control buttons Adjust the volume of the stereo speakers.

    5 Mono microphone jack Connects a mono microphone, disabling thebuilt-in microphone.

    6 Stereo speaker/ headphone jack

    Connects stereo speakers, headphones,headset, or television audio.

    7 Optical drive Accepts optical devices, such as aCD-ROM, DVD-ROM, or CD-RW drive.

    8 PC Card eject button Ejects a PC Card from the PC Card slot.

    9 PC Card slot Supports a 32-bit (CardBus) or 16-bit PCCard.

    Table 1-4Front and Right Side Components (Continued)

    Item Component Function

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    110 Maintenance and Service Guide

    Product Description

    The notebook rear panel and left side components are shown inFigure 1-3 and described in Table 1-5.

    Figure 1-3. Rear Panel and Left Side Components

    Table 1-5Rear Panel and Left Side Components

    Item Component Function

    1 Infrared port Provides wireless communication betweenthe notebook and other infrared-equippeddevices using an infrared beam.

    2 Parallel connector Connects a parallel device.

    3 External monitorconnector

    Connects an external monitor or overheadprojector.

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    Product Description

    Maintenance and Service Guide 111

    4 Network connectionlights (2)

    Both lights off: The notebook is notconnected to a LAN.Both lights on: The notebook is connectedto a LAN with a 100 MB/s link.Green light on and yellow light off: Thenotebook is connected to a LAN with a 10MB/s link.Green light flashing: Information is

    transmitting through the LAN.5 RJ-45 network jack Connects the network cable. A network

    cable is not included with the notebook.

    6 USB ports (4) Connect USB devices.

    7 Composite TVconnector

    Connects a television, VCR, camcorder, oroverhead projector.

    8 RJ-11 modem jack Connects the modem cable to an internalmodem. A modem cable is included withinternal modem models.

    9 DC power connector Connects any one of the following: AC adapter Optional automobile power

    adapter/charger Optional aircraft power adapter

    10 Security cable slot Attaches an optional security cable to thenotebook.

    11 Hard drive bay Supports the removable primary hard drive.The hard drive is secured to the notebook

    by four screws.12 1394 connector Connects IEEE 1394-compliant products,

    such as digital camcorders, video editingequipment, VCRs, cameras, and audioplayers. A 1394 firewire cable is required foruse with this connector.

    Table 1-5Rear Panel and Left Side Components (Continued)

    Item Component Function

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    112 Maintenance and Service Guide

    Product Description

    The notebook keyboard components are shown in Figure 1-4 anddescribed in Table 1-6.

    Figure 1-4. Keyboard Components

    Table 1-6Keyboard Components

    Item Component Function1 F1 through F12

    function keysPerform preset functions.

    2 Num lock key On: Num lock is on and the embeddednumeric keypad is enabled.

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    Product Description

    Maintenance and Service Guide 113

    3 Fn key Used with hotkeys to perform preset hotkeyfunctions.

    4 Application key Displays a menu when using a Microsoftapplication. The menu is the same one thatis displayed by pressing the right mousebutton.

    5 Windows logo keys Display the Windows Start menu.

    6 Embedded numerickeypad

    Converts keys to numeric keypad.

    7 Cursor control keys Move the cursor around the screen.

    Table 1-6Keyboard Components (Continued)

    Item Component Function

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    114 Maintenance and Service Guide

    Product Description

    The notebook top components are shown in Figure 1-5 anddescribed in Table 1-7.

    Figure 1-5. Top Components

    Table 1-7Top Components

    Item Component Function

    1 Power button Turns on the notebook. Use the operatingsystem Shut Down command to turn off thenotebook.

    2 Wireless LAN activitylight

    Off: The internal wireless LAN is off or notinstalled.On: The internal wireless LAN is on andconnected to a network.Flashing: The internal wireless LAN is on,but is not connected to a network orproperly configured.

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    Product Description

    Maintenance and Service Guide 115

    3 Power light On: Power is turned on.Blinking: Notebook is in Standby. The powerlight also blinks if a battery pack that is theonly available power source reaches alow-battery condition.

    4 Drive indicator light Turns on when the hard drive, CD-, orDVD-ROM drive is accessed.

    5 Num lock light On: Num lock is on and the embeddednumeric keypad is enabled.

    6 Caps lock light On: Caps lock is on.

    7 Display lid switch Turns off the notebook display if thenotebook is closed while on.

    8 Stereo speakers Produce stereo sound.

    9 TouchPad Moves the mouse cursor, selects, andactivates.

    10 TouchPad buttons Function like the left and right mousebuttons on an external mouse.

    11 Battery light On: A battery pack is charging.Blinking: A battery pack that is the onlyavailable power source has reached alow-battery condition.

    12 Power/Standby light On: Power is turned on.Off: Power is turned off.Blinking: Notebook is in Standby.

    Table 1-7Top Components (Continued)

    Item Component Function

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    116 Maintenance and Service Guide

    Product Description

    The external components on the bottom of the notebook areshown in Figure 1-6 and described in Table 1-8.

    Figure 1-6. Bottom Components

    Table 1-8Bottom Components

    Item Component Function

    1 Vent Allows airflow to cool internalcomponents.

    CAUTION: To prevent damage, the notebook shuts down ifan overheating condition occurs. Do not block the coolingvent. Avoid placing the notebook on a blanket, rug, or otherflexible surface that may cover the vent area.

    2 Hard drive bay Supports the primary hard drive.The hard drive is secured to the

    notebook by four screws.

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    Product Description

    Maintenance and Service Guide 117

    3 Battery pack lock latches Secure the battery pack andbattery compartment space saverin the battery compartment.

    4 Battery bay Accepts an 8-cell Li ion batterypack or battery compartmentspace saver.

    5 Battery pack release switch Releases the battery pack from

    the battery compartment.6 Memory expansion

    compartmentCovers the memory expansioncompartment that contains twomemory expansion slots formemory expansion boards.

    7 Optical drive bay Accepts a CD-ROM, CD-RW,DVD-ROM, or DVD/CD-RW drive.

    Table 1-8Bottom Components (Continued)

    Item Component Function

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    Maintenance and Service Guide 21

    2Troubleshooting

    WARNING: Only authorized technicians trained by Compaq shouldrepair this equipment. All troubleshooting and repair proceduresare detailed to allow only subassembly/module level repair.Because of the complexity of the individual boards andsubassemblies, no one should attempt to make repairs at the

    component level or to make modifications to any printed wiringboard. Improper repairs can create a safety hazard. Any indicationof component replacement or printed wiring board modification mayvoid any warranty or exchange allowances.

    2.1 Computer Setup and DiagnosticsUtilities

    Selecting Computer Setup or CompaqDiagnostics

    The notebook features two Compaq system management utilities:

    Computer Setup A system information and customizationutility that can be used even when your operating system isnot working or will not load. This utility includes settings thatare not available in Windows.

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    22 Maintenance and Service Guide

    Troubleshooting

    Compaq Diagnostics A system information and diagnosticutility that is used within your Windows operating system.Use this utility whenever possible to:

    Display system information. Test system components.

    Troubleshoot a device configuration problem inWindows 2000, Windows XP Professional, orWindows XP Home.

    It is not necessary to configure a device connected to a USBconnector on the notebook or an optional docking base.

    Using Computer Setup

    Information and settings in Computer Setup are accessed fromthe File, Security, or Advanced menus:

    1. Turn on or restart the notebook. Press F10 while theF10 = ROM Based Setup message is displayed in thelower-left corner of the screen.

    To change the language, press F2.

    To view navigation information, press F1.

    To return to the Computer Setup menu, press esc.

    2. Select the File, Security, or Advanced menu.

    3. To close Computer Setup and restart the notebook:

    Select File > Save Changes and Exit and press enter.

    or

    Select File > Ignore Changes and Exit and press enter.4. When you are prompted to confirm your action, press F10.

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    Troubleshooting

    Maintenance and Service Guide 23

    Selecting from the File Menu

    Table 2-1File Menu

    Select To Do This

    System Information View identification information about thenotebook, a docking base, and any batterypacks in the system.

    View specification information about theprocessor, memory and cache size, andsystem ROM.

    Save to Floppy Save system configuration settings to a diskette.

    Restore from Floppy Restore system configuration settings from adiskette.

    Restore Defaults Replace configuration settings in ComputerSetup with factory default settings. (Identificationinformation is retained.)

    Ignore Changes and Exit Cancel changes entered during the currentsession, then exit and restart the notebook.

    Save Changes and Exit Save changes entered during the currentsession, then exit and restart the notebook.

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    24 Maintenance and Service Guide

    Troubleshooting

    Selecting from the Security Menu

    Table 2-2Security Menu

    Select To Do This

    Setup Password Enter, change, or delete a setup password.(The setup password is called an administratorpassword in Compaq Computer Security, aprogram accessed from the Windows ControlPanel.)

    Power-on Password Enter, change, or delete a power-on password.

    DriveLock Passwords Enable/disable DriveLock; change a DriveLockUser or Master password.

    DriveLock Settings are accessible onlywhen you enter Computer Setup byturning on (not restarting) the notebook.

    Password OptionsPassword options can beselected only when apower-on password has

    been set.

    Enable/disable: QuickLock QuickLock on Suspend

    QuickBlank To enable QuickLock on Suspend or

    QuickBlank, you must first enableQuickLock.

    Device Security Enable/disable: Ports or diskette drives* Diskette write* CD-ROM or diskette startup

    Settings for a DVD-ROM can be

    entered in the CD-ROM field.System IDs Enter identification numbers for the notebook,

    a docking base, and all battery packs in thesystem.

    *Not applicable to SuperDisk LS-120 drives.

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    Troubleshooting

    Maintenance and Service Guide 25

    Selecting from the Advanced Menu

    Table 2-3Advanced Menu

    Select To Do This

    Language (or press F2) Change the Computer Setup language.

    Boot Options Enable/disable: QuickBoot, which starts the notebook more

    quickly by eliminating some startup tests.(If you suspect a memory failure and want

    to test memory automatically during startup,disable QuickBoot.) MultiBoot, which sets a startup sequence

    that can include most bootable devices andmedia in the system.

    Device Options Enable/disable the embedded numerickeypad at startup.

    Enable/disable multiple standard pointingdevices at startup. (To set the notebook tosupport only a single, usually nonstandard,

    pointing device at startup, select Disable. ) Enable/disable USB legacy support for a

    USB keyboard. (When USB legacy supportis enabled, the keyboard works even when aWindows operating system is not loaded.)

    Set an optional external monitor or overheadprojector connected to a video card in adocking base as the primary device. (Whenthe notebook display is set as secondary,the notebook must be shut down before

    undocking from a docking base.)

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    26 Maintenance and Service Guide

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    Device Options (continued)

    Change the parallel port mode from EPP(Enhanced Parallel Port [default]) tostandard, bidirectional, EPP or ECP(Enhanced Capabilities Port).

    Set video-out mode to NTSC (default), PAL,NTSC-J, or PAL-M.*

    Enable/disable all settings in the SpeedStep window. (When Disable is selected, thenotebook runs in Battery Optimized mode.)

    Specify how the notebook recognizesmultiple identical docking bases that areidentically equipped. (Select Disable torecognize the docking bases as a singledocking base; select Enable to recognizethe docking bases individually, by serialnumber.)

    Enable/disable the reporting of theprocessor serial number by the processor tothe software.

    HDD Self-Test Options Run a quick comprehensive self-test on harddrives in the system that support the testfeatures.

    *Video modes vary even within regions. However, NTSC is common in NorthAmerica; PAL, in Europe, Africa, and the Middle East; NTSC-J, in Japan; andPAL-M, in Brazil. Other South and Central American regions may use NTSC,PAL, or PAL-M.

    Table 2-3Advanced Menu (Continued)

    Select To Do This

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    Troubleshooting

    Maintenance and Service Guide 27

    2.2 Using Compaq DiagnosticsWhen you access Compaq Diagnostics, a scan of all system

    components is displayed on the screen before the CompaqDiagnostics window opens.

    You can display more or less information from anywhere withinCompaq Diagnostics by selecting Level on the menu bar.

    Compaq Diagnostics is designed to test Compaq components.If non-Compaq components are tested, the results may beinconclusive.

    Obtaining, Saving, or PrintingConfiguration Information

    1. Access Compaq Diagnostics by selecting Start > Settings >Control Panel > Compaq Diagnostics.

    2. Select Categories, then select a category from the drop-downlist.

    To save the information, select File > Save As.

    To print the information, select File > Print.

    3. To close Compaq Diagnostics, select File > Exit.

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    28 Maintenance and Service Guide

    Troubleshooting

    Obtaining, Saving, or Printing DiagnosticTest Information

    1. Access Compaq Diagnostics by selecting Start > Settings >Control Panel > Compaq Diagnostics.

    2. Select the Test tab.

    3. In the scroll box, select the category or device you want totest.

    4. Select a test type:

    Quick Test Runs a quick, general test on each device in

    a selected category. Complete Test Performs maximum testing on each

    device in a selected category.

    Custom Test Performs maximum testing on a selecteddevice.

    To run all tests for your selected device, select theCheck All button.

    To run only the tests you select, select the Uncheck

    All button, then select the checkbox for each test youwant to run.

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    Troubleshooting

    Maintenance and Service Guide 29

    5. Select a test mode:

    Interactive Mode Provides maximum control over thetesting process. You determine whether the test waspassed or failed and may be prompted to insert or removedevices.

    Unattended Mode Does not display prompts. If errorsare found, they are displayed when testing is complete.

    6. Select the Begin Testing button.

    7. Select a tab to view a test report:

    Status tab Summarizes the tests run, passed, and failed

    during the current testing session. Log tab Lists tests run on the system, the number of

    times each test has run, the number of errors found oneach test, and the total run time of each test.

    Error tab Lists all errors found in the notebook withtheir error codes.

    8. Select a tab to save the report:

    Log tab Select the Log tab Save button.

    Error tab Select the Error tab Save button.

    9. Select a tab to print the report:

    Log tab Select File > Save As, then print the file fromyour folder.

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    210 Maintenance and Service Guide

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    2.3 Troubleshooting FlowchartsTable 2-4

    Troubleshooting Flowcharts Overview

    Flowchart Description

    2.1 Initial troubleshooting

    2.2 No power, part 1

    2.3 No power, part 2

    2.4 No power, part 3

    2.5 No power, part 4

    2.6 No video, part 1

    2.7 No video, part 2

    2.8 Nonfunctioning docking station

    2.9 No operating system (OS) loading

    2.10 No OS loading from hard drive, part 1

    2.11 No OS loading from hard drive, part 2

    2.12 No OS loading from hard drive, part 3

    2.13 No OS loading from CD- or DVD-ROM drive

    2.14 No audio, part 1

    2.15 No audio, part 2

    2.16 Nonfunctioning device

    2.17 Nonfunctioning keyboard

    2.18 Nonfunctioning pointing device

    2.19 No network or modem connection

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    Troubleshooting

    Maintenance and Service Guide 211

    Flowchart 2.1Initial Troubleshooting

    Connectingto networkor modem?

    Begintroubleshooting.

    Is therepower?

    Is the OSloading?

    Is there video?(no boot)

    Is there

    sound?

    Beeps,LEDs, or error

    messages?

    Keyboard/ pointing

    deviceworking?

    Go toSection 2.16,

    NonfunctioningDevice.

    Go toSection 2.2,No Power.

    Go toSection 2.6,No Video.

    All drivesworking?

    Y

    Y

    Y

    Y

    Y

    Y

    Y

    Y

    N

    N

    N

    N

    N

    End

    N

    N

    N

    Go toSection 2.9,

    No OS Loading.

    Go toSection 2.15,

    No Audio.

    Go toSection 2.17,

    NonfunctioningKeyboard,

    or Section 2.18,NonfunctioningPointing Device.

    Check

    LED board,speakerconnections.

    Go toSection 2.19,

    No Network orModem.

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    212 Maintenance and Service Guide

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    Flowchart 2.2No Power, Part 1

    1. Reseat the power cables in the dockingstation and at the AC outlet.

    2. Ensure the AC power source is active.3. Ensure that the power strip is working.

    Done

    Remove fromdocking station(if applicable).

    Power upon battery

    power?

    Power upon AC

    power?

    Power upin dockingstation?

    Power upon battery

    power?

    Power upin dockingstation?

    Done

    *Resetpower.

    *Resetpower.

    Power upon AC

    power?

    N

    Y

    Y

    N

    N

    Y

    N

    N

    Y

    Y

    Y N

    1. On some models there is a separatereset button.

    2. On some models the notebook may bereset using the Suspend switch andeither the lid switch or the main powerswitch.

    *NOTES:

    Go toSection 2.4,No Power,

    Part 3.

    Go toSection 2.3,No Power,

    Part 2.

    Go toSection 2.8,

    NonfunctioningDocking Station.

    No Power(power LED

    is off).

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    214 Maintenance and Service Guide

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    Flowchart 2.4No Power, Part 3Continued from

    Section 2.3,

    No Power, Part 2.

    Reseat AC adapterin notebook andat power source.

    Internal orexternal AC

    adapter?

    Done

    Done

    Done Done

    Power on?

    Power on?

    Power on?

    Plug directlyinto AC outlet.

    Power LEDon?

    Power outletactive?

    Try differentoutlet.

    Replace externalAC adapter.

    Replacepower cord.

    Y

    N

    Y

    Y

    Y

    Y

    N

    N

    N

    N

    External

    InternalGo to

    Section 2.5,No Power,

    Part 4.

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    Troubleshooting

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    Flowchart 2.5No Power, Part 4

    Y

    N

    Continued fromSection 2.4,

    No Power, Part 3.

    Reseat loosecomponents and

    boards andreplace damaged

    items.

    Opennotebook.

    Loose ordamaged

    parts?

    Y

    Closenotebook and

    retest.

    Power on?

    Done

    N

    Replace the following items (if applicable).Check notebook operation after eachreplacement:

    1. Internal DC-DC converter*2. Internal AC adapter3. Processor board*4. System board*

    *NOTE: Replace these items as a set toprevent shorting out among components.

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    216 Maintenance and Service Guide

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    Flowchart 2.6No Video, Part 1

    A

    N

    Standaloneor Docking

    Station?

    No Video.

    Replace the following one at a time. Test after each replacement.1. Cable between notebook and notebook display (if applicable)2. Inverter board (if applicable)3. Display4. System board

    Internal orexternal

    display*?Adjust

    brightness. Video OK? Done

    DockingStation

    Internal

    Stand-alone

    External

    Adjustbrightness.

    Video OK? Done

    Y

    Press lidswitch to ensure

    operation.

    Video OK? Done

    Y

    N

    Video OK?

    Done Done

    N

    Check for bentpins on cable.

    Tryanother

    display.

    Internal andexternal

    video OK?

    Replacesystem

    board. Y Y

    NN

    *NOTE: To change from internal toexternal display, use the hotkeycombination.

    Y

    Go toSection 2.7,

    No Video, Part 2.

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    Flowchart 2.7No Video, Part 2

    Y

    N

    Continued fromSection 2.6,

    No Video, Part 1.

    Done

    Adjust externalmonitor display.

    Video OK?

    Adjustdisplay

    brightness.

    Video OK?

    Video OK?

    Done

    Done

    Check that notebook is properlyseated in docking station, forbent pins on cable, and formonitor connection.

    Go to A inSection 2.6,

    No Video, Part 1.

    Check brightnessof externalmonitor.

    Try anotherexternalmonitor.

    Internaland externalvideo OK?

    Go to Section 2.8,NonfunctioningDocking Station.

    Y

    Y

    Y

    N

    N

    N

    Removenotebook fromdocking station,

    if connected.

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    218 Maintenance and Service Guide

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    Flowchart 2.8Nonfunctioning Docking Station(if applicable)

    Y

    N

    Reseat powercord in docking

    station andpower outlet.

    N

    Replace the following docking stationcomponents one at a time. Checknotebook operation after eachreplacement.

    1. Power supply2. I/O board3. Backplane board4. Switch box5. Docking motor mechanism

    Check voltagesetting on

    docking station.

    Reset monitorcable connector atdocking station.

    Reinstallnotebook into

    docking station.

    Dockingstation

    operating?

    Dockingstationoperating?

    Removenotebook, reseatall internal parts,and replace any

    damaged items indocking station.

    Done

    Done

    Y

    NonfunctioningDocking Station.

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    Troubleshooting

    Maintenance and Service Guide 219

    Flowchart 2.9No Operating System (OS) Loading

    No OS loadingfrom hard drive,

    go toSection 2.10.

    Reseat powercord in docking

    station andpower outlet.

    No OS loadingfrom CD- or

    DVD-ROM drive,go to

    Section 2.13.

    No OS loadingfrom network,

    go toSection 2.19.

    No OSLoading.*

    *NOTE: Before beginning troubleshooting,always check cable connections, cableends, and drives for bent or damaged pins.

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    Maintenance and Service Guide 221

    Flowchart 2.11No OS Loading from Hard Drive, Part 2Continued fromSection 2.10,

    No OS Loadingfrom Hard Drive,

    Part 1.Reseat

    hard drive.

    Done

    CD ordiskette in

    drive?

    1. Replace harddrive.

    2. Replace systemboard.

    Load OS usingRestore CD(if applicable).

    Format hard driveand bring toa bootableC:\ prompt.

    Create partition,then format harddrive to bootable

    C:\ prompt.

    Remove

    diskette andreboot.

    Y

    N

    Bootfrom

    hard drive?

    Y

    N

    Hard driveaccessible?

    Y

    Hard driveaccessible? Done

    Run FDISK.

    Y

    N

    Hard drivepartitioned?

    Hard driveformatted?

    Y

    N

    Y

    N

    Notebookbooted?

    Done

    Y

    N

    Go toSection 2.12,

    No OS Loadingfrom Hard Drive,

    Part 3.

    Go toSection 2.12,

    No OS Loadingfrom Hard Drive,

    Part 3.

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    222 Maintenance and Service Guide

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    Flowchart 2.12No OS Loading from Hard Drive, Part 3

    Y

    Systemfiles on hard

    drive?

    Continued fromSection 2.11,

    No OS Loadingfrom Hard Drive,

    Part 2.

    Clean virus. Done

    N

    Install OSand reboot.

    Viruson harddrive?

    OSloading fromhard drive?

    Y

    N

    Y

    N

    Y

    N

    Diagnosticson diskette?

    Replacehard drive.

    Run diagnosticsand follow

    recommendations.

    Run SCANDISKand check forbad sectors.

    Can badsectors

    be fixed?Replace

    hard drive.

    Y

    N

    Y

    N

    Fix badsectors.

    Boot fromhard drive?

    Replacehard drive.

    Done

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    Troubleshooting

    Maintenance and Service Guide 223

    Flowchart 2.13No OS Loading from CD- orDVD-ROM Drive

    Y

    Done

    N

    Bootabledisc indrive?

    Discin drive?

    No OSLoading from

    CD- orDVD-ROM Drive.

    Install bootabledisc andreboot

    notebook.

    Go toSection 2.16,Nonfunctioning

    Device.

    Go toSection 2.16,

    NonfunctioningDevice.

    Installbootable disc.

    Boots fromCD or DVD?

    Boots fromCD or DVD?

    Try anotherbootable disc.

    Bootingfrom another

    device?

    Bootingorder

    correct?

    Correct bootorder using

    the setup utility.

    DoneReseatdrive.

    Y

    Y

    Y

    Y

    N

    N

    N

    N

    Clear CMOS.Refer to Section1.3, Clearing aPassword, forinstructions.

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    224 Maintenance and Service Guide

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    Flowchart 2.14No Audio, Part 1

    No Audio.

    N

    Notebook indocking station(if applicable)?

    Internalaudio?

    Audio? Done

    Undock

    Audio? Done

    Turn up audio

    internally orexternally.

    Go toSection 2.15,

    No Audio, Part 2.

    Go toSection 2.15,

    No Audio, Part 2.

    Go toSection 2.16,

    NonfunctioningDevice.

    Replace the following docking stationcomponents one at a time as applicable.Check after each change.

    1. Reseat docking station audio cable.2. Replace audio cable.3. Replace speaker.4. Replace docking station audio board.5. Replace backplane board.6. Replace I/O board.

    Y

    Y

    Y

    N

    N

    N

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    Troubleshooting

    Maintenance and Service Guide 225

    Flowchart 2.15No Audio, Part 2

    Y N

    Continued fromSection 2.14,

    No Audio, Part 1.

    Reloadaudio drivers.

    Audiodriver in OSconfigured?

    Audio?

    Y

    Y

    YN

    N

    N

    Correctdrivers for

    application?

    Connect toexternalspeaker.

    Load drivers andset configuration

    in OS.

    Audio? Done

    Replace audioboard andspeaker

    connectionsin notebook

    (if applicable).

    1. Replace internal speakers.2. Replace audio board (if applicable).3. Replace system board.

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    226 Maintenance and Service Guide

    Troubleshooting

    Flowchart 2.16Nonfunctioning Device

    Done

    Any physicaldevice detected?

    Y

    N

    Unplug the nonfunctioning device fromthe notebook, inspect cables and plugs for

    bent or broken pins or other damage.

    Reseatdevice.

    ClearCMOS.

    Done

    Fix orreplace

    broken item.

    Nonfunctioningdevice.

    Reattach device.Close notebook,plug in powerand reboot.

    Deviceboots

    properly?

    Go toSection 2.9,

    No OS Loading.

    Deviceboots

    properly?

    Possible badhard drive.

    Replace drive.

    Possible baddiskette drive.Replace drive.

    Possible bad NIC.Replace card.

    If integrated NIC,replace system

    board. Y

    N

    Y

    N

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    Troubleshooting

    Maintenance and Service Guide 227

    Flowchart 2.17Nonfunctioning Keyboard

    Y

    N

    OK?

    Keyboardnot operating

    properly.

    Externaldeviceworks?

    Replacesystemboard.

    Replacesystemboard.

    Connect notebookto good external

    keyboard.

    Reseat internalkeyboardconnector

    (if applicable).

    Replace internalkeyboard orcable.

    OK?

    Y

    N

    Y

    N

    Done Done

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    228 Maintenance and Service Guide

    Troubleshooting

    Flowchart 2.18Nonfunctioning Pointing Device

    Y

    N

    OK?

    Pointing devicenot operating

    properly.

    Externaldeviceworks?

    Replacesystemboard.

    Replacesystemboard.

    Connect notebookto good externalpointing device.

    Reseat internalpointing device

    connector(if applicable).

    Replace internalpointing deviceor cable.

    OK?

    Y

    N

    Y

    N

    Done Done

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    Troubleshooting

    Maintenance and Service Guide 229

    Flowchart 2.19No Network or Modem Connection

    Y

    Disconnect allpower from

    the notebookand open.

    No network

    or modemconnection.

    N

    Done

    Digitalline?

    Networkor modem jack

    active?

    Replace jackor have jackactivated.

    Connectto nondigital

    line.

    NIC/modemconfigured

    in OS?

    Reloaddrivers andreconfigure.

    ReseatNIC/modem

    (if applicable).

    ReplaceNIC/modem

    (if applicable).

    Replacesystemboard.

    OK?

    OK? Done

    N

    N

    N

    N

    Y

    Y

    Y

    Y

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    Maintenance and Service Guide 31

    3Illustrated Parts Catalog

    This chapter provides an illustrated parts breakdown and areference for spare part numbers and option part numbers.

    3.1 Serial Number LocationWhen ordering parts or requesting information, provide thenotebook serial number and model number located on the bottomof the notebook (Figure 3-1).

    Figure 3-1. Serial Number Location

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    32 Maintenance and Service Guide

    Illustrated Parts Catalog

    3.2 Notebook System Major Components

    Figure 3-2. Notebook System Major Components

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    Illustrated Parts Catalog

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    Table 3-1Spare Parts: Notebook System Major Components

    Item DescriptionSpare PartNumber

    1 Displays

    16.0-inch, XGA, TFT (for use only with models withconfig. code LS52)

    13.3-inch, XGA, TFT (for use only with models withconfig. code LS53, LS54, and LS57)

    310652-001

    310651-001

    Miscellaneous Plastics/Hardware Kit, includes 310659-001

    2a2b2c2d2e2f2g

    Left hinge coverRight hinge coverPC Card slot space saverModem cableHeat sink mounting bracketRTC batteryMemory expansion compartment covernot illustrated: display hinge screw covers (2) display bumper pads (2) display screw covers (2 round, 2 oblong) notebook feet (2 round, 2 oblong)

    3 LED switch cover 311628-001

    4 Keyboards

    Asia PacificAustraliaIndia

    310640-371310640-011310640-D61

    JapanThailandUnited States

    310640-291310640-AB1310640-001

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    34 Maintenance and Service Guide

    Illustrated Parts Catalog

    Figure 3-2. Notebook System Major Components(Continued)

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    Illustrated Parts Catalog

    Maintenance and Service Guide 35

    Table 3-1Spare Parts: Notebook System Major Components (Continued)

    Item DescriptionSpare PartNumber

    5 Top cover 310654-001

    6 Optical drives

    24X Max CD-ROM drive8X Max DVD-ROM drive24X Max DVD-ROM/CD-RW combination drive

    310660-001310661-001310662-001

    7 Hard drives40 GB30 GB20 GB

    310645-001310644-001310643-001

    8 Hard drive carrier with connector 310733-001

    9 Processors

    Intel Pentium 4 2.4 GHz (for use only with modelswith config. code LS52)

    Intel Pentium 4 2.0 GHz (for use only with models

    with config. code LS52)Intel Pentium 4 1.8 GHz (for use only with models

    with config. codes LS53, LS54, and LS57)

    310650-001

    310349-001

    310648-001

    10 Heat sink 310647-001

    11 Fan 310657-001

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    Illustrated Parts Catalog

    Maintenance and Service Guide 37

    Table 3-1Spare Parts: Notebook System Major Components (Continued)

    Item DescriptionSpare PartNumber

    12 System boards

    for use only with models with config. codes LS53,LS54, and LS57

    for use only with models with config. code LS52

    311579-371

    310646-001

    13 Modem board 310653-001

    14 Base enclosure 310655-00115 1394 board, includes cable 310656-001

    16 Battery bay space saver (for use only with modelswith config. codes LS53, LS54, and LS57)

    313579-001

    17 Battery packs

    12 cell, Li ion10 cell, NiMH

    310642-001310641-001

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    38 Maintenance and Service Guide

    Illustrated Parts Catalog

    3.3 Miscellaneous Plastics/HardwareKit Components

    Figure 3-3. Miscellaneous Plastics/HardwareKit Components

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    Table 3-2Miscellaneous Plastics/Hardware Kit Components

    Spare Part Number 310659-001

    Item Description Item Description

    1 Left hinge cover 7 Display hinge screwcovers (2)

    2 Right hinge cover 8 Display screw covers(2 round, 2 oblong)

    3 Modem cable 9 Notebook feet(3 round, 2 oblong)

    4 PC Card slot space saver 10 RTC battery

    5 Memory expansioncompartment cover

    11 Heat sink mounting bracket

    6 Display bumper pads (2)

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    3.4 Miscellaneous

    Table 3-3Spare Parts: Miscellaneous (not illustrated)

    DescriptionSpare PartNumber

    AC adapter, 90 watt 309241-001

    Air adapter cable 293204-001

    Auto adapter cable 293203-001

    Biometrics reader 153990-001Logo Kit 317060-001

    Memory expansion boards

    512 MB256 MB128 MB

    280275-001280274-001280273-001

    Miscellaneous keyboards

    Enhanced Essaver, carbon

    USB, 17-key numeric keypadUSB, SmartCardUSB wireless, United States

    118104-001

    261636-001271124-001252411-001

    Mouse, 2 button, carbon 113907-001

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    Mouse, USB, carbon 164999-001

    PC Card Smartcard reader 153994-001

    Power cord, 3-wire

    AustraliaDenmarkEurope/Middle

    East/AFricaItalyJapan

    246959-011246959-081246959-021

    246959-061246959-291

    KoreaSwitzerlandUnited

    KingdomUnited

    States

    246959-AD1246959-AG1246959-031

    246959-001

    Screw Kit (includes the following screws; refer to Appendix C,Screw Listing, for more information on screw specificationsand usage.)

    310658-001

    Torx T8 M2.5 16.0 Torx T8 M2.5 7.0 Phillips M3.0 4.0

    Phillips M2.5 4.0

    Phillips M2.0 4.5 Phillips M2.0 4.0 Phillips M2.0 13.0

    Security lock 294359-001and263537-001

    Table 3-3Spare Parts: Miscellaneous (not illustrated) (Continued)

    DescriptionSpare PartNumber

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    Maintenance and Service Guide 41

    4Removal and Replacement

    Preliminaries

    This chapter provides essential information for proper and saferemoval and replacement service.

    4.1 Tools RequiredYou will need the following tools to complete the removal andreplacement procedures:

    Magnetic screwdriver

    Phillips P0 screwdriver

    Torx T8 screwdriver

    Tool kit (includes connector removal tool, loopback plugs,and case utility tool)

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    4.2 Service ConsiderationsThe following sections include some of the considerations that

    you should keep in mind during disassembly and assemblyprocedures.

    As you remove each subassembly from the notebook, place thesubassembly (and all accompanying screws) away from the workarea to prevent damage.

    Plastic Parts

    Using excessive force during disassembly and reassembly candamage plastic parts. Use care when handling the plastic parts.Apply pressure only at the points designated in the maintenanceinstructions.

    Cables and ConnectorsCables must be handled with extreme care to avoid damage.Apply only the tension required to unseat or seat the cablesduring removal and insertion. Handle cables by the connector

    whenever possible. In all cases, avoid bending, twisting, ortearing cables. Ensure that cables are routed in such a way thatthey cannot be caught or snagged by parts being removed orreplaced. Handle flex cables with extreme care; these cables teareasily.

    CAUTION: When servicing the notebook, ensure that cables areplaced in their proper locations during the reassembly process.Improper cable placement can damage the notebook.

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    4.3 Preventing Damage toRemovable Drives

    Removable drives are fragile components that must be handledwith care. To prevent damage to the notebook, damage to aremovable drive, or loss of information, observe the followingprecautions:

    Before removing or inserting a hard drive, shut down thenotebook. If you are unsure whether the notebook is off or inHibernation, turn the notebook on, then shut it down.

    Before removing a diskette drive or optical drive, ensure thata diskette or disc is not in the drive. Ensure that the opticaldrive tray is closed.

    Before handling a drive, ensure that you are discharged ofstatic electricity. While handling a drive, avoid touching theconnector.

    Handle drives on surfaces that have at least one inch ofshock-proof foam.

    Avoid dropping drives from any height onto any surface.

    After removing a hard drive, CD-ROM drive, or a diskettedrive, place it in a static-proof bag.

    Avoid exposing a hard drive to products that have magneticfields, such as monitors or speakers.

    Avoid exposing a drive to temperature extremes or to liquids.

    If a drive must be mailed, place the drive in a bubble packmailer or other suitable form of protective packaging andlabel the package Fragile: Handle With Care.

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    4.4 Preventing Electrostatic DamageMany electronic components are sensitive to electrostatic

    discharge (ESD). Circuitry design and structure determine thedegree of sensitivity. Networks built into many integrated circuitsprovide some protection, but in many cases the discharge containsenough power to alter device parameters or melt silicon junctions.

    A sudden discharge of static electricity from a finger or otherconductor can destroy static-sensitive devices or microcircuitry.Often the spark is neither felt nor heard, but damage occurs.

    An electronic device exposed to electrostatic discharge may notbe affected at all and can work perfectly throughout a normal

    cycle. Or the device may function normally for a while, thendegrade in the internal layers, reducing its life expectancy.

    4.5 Packaging and TransportingPrecautions

    Use the following grounding precautions when packaging andtransporting equipment:

    To avoid hand contact, transport products in static-safecontainers, such as tubes, bags, or boxes.

    Protect all electrostatic-sensitive parts and assemblies withconductive or approved containers or packaging.

    Keep electrostatic-sensitive parts in their containers until theparts arrive at static-free workstations.

    Place items on a grounded surface before removing itemsfrom their containers.

    Always be properly grounded when touching a sensitivecomponent or assembly.

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    Store reusable electrostatic-sensitive parts from assemblies inprotective packaging or nonconductive foam.

    Use transporters and conveyors made of antistatic belts androller bushings. Ensure that mechanized equipment used formoving materials is wired to ground and that proper materialsare selected to avoid static charging. When grounding is notpossible, use an ionizer to dissipate electric charges.

    4.6 Workstation PrecautionsUse the following grounding precautions at workstations:

    Cover the workstation with approved static-dissipativematerial (refer to Table 4-2).

    Use a wrist strap connected to a properly grounded worksurface and use properly grounded tools and equipment.

    Use conductive field service tools, such as cutters,screwdrivers, and vacuums.

    When using fixtures that must directly contact dissipativesurfaces, only use fixtures made of static-safe materials.

    Keep the work area free of nonconductive materials, such asordinary plastic assembly aids and Styrofoam.

    Handle electrostatic-sensitive components, parts, andassemblies by the case or PCM laminate. Handle these itemsonly at static-free workstations.

    Avoid contact with pins, leads, or circuitry.

    Turn off power and input signals before inserting or removingconnectors or test equipment.

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    4.7 Grounding Equipment and MethodsGrounding equipment must include either a wrist strap or a foot

    strap at a grounded workstation. When seated, wear a wrist strap connected to a grounded

    system. Wrist straps are flexible straps with a minimum ofone megohm 10% resistance in the ground cords. Toprovide proper ground, wear a strap snugly against the skinat all times. On grounded mats with banana-plug connectors,connect a wrist strap with alligator clips.

    When standing, use foot straps and a grounded floor mat.Foot straps (heel, toe, or boot straps) can be used at standing

    workstations and are compatible with most types of shoesor boots. On conductive floors or dissipative floor mats, usefoot straps on both feet with a minimum of one-megohmresistance between the operator and ground. To be effective,the conductive strips must be worn in contact with the skin.

    Other grounding equipment recommended for use in preventingelectrostatic damage includes:

    Antistatic tape

    Antistatic smocks, aprons, and sleeve protectors

    Conductive bins and other assembly or soldering aids

    Nonconductive foam

    Conductive tabletop workstations with ground cords ofone-megohm resistance

    Static-dissipative tables or floor mats with hard ties tothe ground

    Field service kits

    Static awareness labels

    Material-handling packages

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    Maintenance and Service Guide 47

    Nonconductive plastic bags, tubes, or boxes

    Metal tote boxes

    Electrostatic voltage levels and protective materials

    Table 4-1 shows how humidity affects the electrostatic voltagelevels generated by different activities.

    Table 4-2 lists the shielding protection provided by antistatic bagsand floor mats.

    Table 4-1Typical Electrostatic Voltage Levels

    Relative Humidity

    Event 10% 40% 55%

    Walking across carpet 35,000 V 15,000 V 7,500 V

    Walking across vinyl floor 12,000 V 5,000 V 3,000 V

    Motions of bench worker 6,000 V 800 V 400 V

    Removing DIPS from plastic tube 2,000 V 700 V 400 V

    Removing DIPS from vinyl tray 11,500 V 4,000 V 2,000 V

    Removing DIPS from Styrofoam 14,500 V 5,000 V 3,500 V

    Removing bubble pack from PCB 26,500 V 20,000 V 7,000 V

    Packing PCBs in foam-lined box 21,000 V 11,000 V 5,000 V

    A product can be degraded by as little as 700 volts.

    Table 4-2Static-Shielding Materials

    Material Use Voltage Protection Level

    Antistatic plastic Bags 1,500 V

    Carbon-loaded plastic Floor mats 7,500 V

    Metallized laminate Floor mats 5,000 V

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    Maintenance and Service Guide 51

    5Removal and Replacement

    Procedures

    This chapter provides removal and replacement procedures.

    Torx T8 and Phillips P0 screws are removed during disassembly.There are 54 screws, in 8 different sizes, that must be removed,replaced, and loosened when servicing the notebook. Makespecial note of each screw size and location during removal andreplacement.

    Refer to Appendix C, Screw Listing, for detailed informationon screw sizes, locations, and usage.

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    5.1 Serial NumberReport the notebook serial number to Compaq when requesting

    information or ordering spare parts. The serial number is locatedon the bottom of the notebook (Figure 5-1).

    Figure 5-1. Serial Number Location

    5.2 Disassembly Sequence ChartUse the chart below to determine the section number to bereferenced when removing notebook components.

    Table 5-1Disassembly Sequence Chart

    Section Description # of Screws Removed

    5.3 Preparing the notebook fordisassembly

    Battery pack 0 (2 for battery packspace saver)

    Section Description # of Screws Removed

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    5.3(Continued)

    Hard drive 4 to remove hard drive4 to separate hard drive

    from hard drivebracket

    5.4 Notebook feet 0

    5.5 Memory expansion board 2 loosened

    5.6 Optical drive 1

    5.7 LED switch cover 25.8 Keyboard 1

    5.9 Heat sink 5 loosened

    5.10 Fan 3

    5.11 Processor 0

    5.12 Display assembly 4

    5.13 Top cover 17

    5.14 1394 board 15.15 Modem board 2

    5.16 System board 6

    5.17 RTC battery 0

    Table 5-1Disassembly Sequence Chart (Continued)

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    5.3 Preparing the Notebook forDisassembly

    Perform the following steps before disassembling the notebook:

    1. Turn off the notebook.

    2. Disconnect the AC adapter and all external devices.

    3. Remove the battery pack by following these steps:

    a. Turn the notebook bottom side up with the rear panelfacing you.

    Battery PacksSpare Part Number Information

    Battery packs

    12 cell, Li ion10 cell, NiMH

    310642-001310641-001

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    Maintenance and Service Guide 55

    b. Slide the battery pack lock latches 1 to the right(Figure 5-2).

    c. Slide and hold the battery pack release latch 2 to theright.

    d. Use the notch 3 in the battery pack to swing the frontedge of the battery pack up and back 4 .

    e. Remove the battery pack.

    Figure 5-2. Removing the Battery Pack

    Reverse the preceding procedure to install the battery pack.

    4. Remove the battery bay space saver by following these steps:

    a. Turn the notebook bottom side up with the rear panelfacing you.

    Battery Bay Space SaverSpare Part Number Information

    For use only with Compaq 800 models 313579-001

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    b. Remove the two TM2.5 7.0 screws 1 that secure thebattery bay space saver to the notebook (Figure 5-3).

    c. Slide the battery pack lock latches 2 to the right.

    d. Slide and hold the battery pack release latch 3 to theright.

    e. Use the notch 4 in the battery bay space saver to swingthe front edge of the space saver up and back 5 .

    f. Remove the battery bay space saver.

    Figure 5-3. Removing the Battery Bay Space Saver

    Reverse the preceding procedure to install the battery bay spacesaver.

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    5. Remove the hard drive by following these steps:

    a. Turn the notebook bottom side up with the right sidefacing you.

    b. Remove the four TM2.5 7.0 screws 1 that secure thehard drive assembly to the notebook (Figure 5-4).

    c. Slide the hard drive assembly forward 2 and remove itfrom the hard drive bay.

    Figure 5-4. Removing the Hard Drive Assembly

    Reverse the preceding procedure to install the hard driveassembly.

    Hard DrivesSpare Part Number Information

    40 GB30 GB20 GB

    310645-001310644-001310643-001

    Hard drive carrier with connector 310733-001

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    d. Remove the four PM3.0 4.0 screws 1 that secure thehard drive to the hard drive bracket (Figure 5-5).

    e. Remove the hard drive 2 from the hard drive carrier.

    Figure 5-5. Removing the Hard Drive from the HardDrive Carrier

    Reverse the preceding procedure to install the hard drive into thehard drive carrier.

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    5.4 Notebook FeetThe notebook feet are adhesive-backed rubber pads. The

    notebook feet are included in the MiscellaneousPlastics/Hardware Kit, spare part number 310659-001. Thenotebook feet attach to the base enclosure as illustrated inFigure 5-6.

    Figure 5-6. Replacing the Notebook Feet

    5.5 Memory Expansion Board

    1. Prepare the notebook for disassembly (Section 5.3).

    2. Turn the notebook bottom side up with the front facing you.

    Memory Expansion BoardsSpare Part Number Information

    Memory expansion boards

    512 MB256 MB128 MB

    280275-001280274-001280273-001

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    3. Loosen the two PM2.5 4.0 screws 1 that secure thememory expansion compartment cover to the notebook(Figure 5-7).

    4. Use the notch on the left side of the cover to lift the cover upand swing it to the right 2 .

    5. Remove the memory expansion compartment cover.

    The memory expansion compartment cover is included in theMiscellaneous Plastics/Hardware Kit, spare part number310359-001.

    Figure 5-7. Removing the Memory Expansion Compartment

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    6. Spread the retaining tabs 1 securing the memory expansionboard to the system board (Figure 5-8). The memoryexpansion board rises at a 45-degree angle.

    7. Pull the memory expansion board away from the connector ata 45-degree angle 2 .

    Figure 5-8. Removing a Memory Expansion Board

    Reverse the preceding procedure to install a memory expansionboard and the memory expansion compartment cover.

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    5.6 Optical Drive

    1. Prepare the notebook for disassembly (Section 5.3).2. Turn the notebook bottom side up with the left side facing

    you.3. Remove the memory expansion compartment cover

    (Section 5.5).4. Remove the TM2.5 7.0 screw 1 that secures the optical

    drive to the base enclosure (Figure 5-9).5. Slide the optical drive out of the base enclosure 2 .

    Figure 5-9. Removing an Optical Drive

    Reverse the preceding procedure to install the optical drive.

    Optical DriveSpare Part Number Information

    24X Max CD-ROM drive8X Max DVD-ROM drive24X Max DVD-ROM/CD-RW combination drive

    310660-001310661-001310662-001

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    5.7 LED Switch Cover

    1. Prepare the notebook for disassembly (Section 5.3).

    2. Turn the notebook bottom side up with the front facing you.

    3. Remove the two TM2.5 7.0 screws that secure the LEDswitch cover to the base enclosure (Figure 5-10).

    Figure 5-10. Removing the LED Switch Cover Screws

    LED Switch CoverSpare Part Number Information

    LED switch cover 311628-001

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    4. Turn the notebook top side up with the front facing you andopen the notebook as far as it will open.

    5. Lift the right side of the LED switch cover 1 to separate itfrom the base enclosure (Figure 5-11).

    6. Swing the top edge of the LED switch cover forward 2 toseparate the cover from the display assembly.

    Figure 5-11. Removing the LED Switch Cover

    Reverse the preceding procedure to install the LED switch cover.

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    5.8 Keyboard

    1. Prepare the notebook for disassembly (Section 5.3).

    2. Remove the LED switch cover (Section 5.7).

    3. Close the notebook and turn it bottom side up with the frontfacing you.

    4. Remove the TM2.5 16.0 screw that secures the keyboard tothe base enclosure (Figure 5-12).

    Figure 5-12. Removing the Keyboard Screw

    KeyboardSpare Part Number Information

    Asia PacificAustraliaIndia

    310640-371310640-011310640-D61

    JapanThailandUnited States

    310640-291310640-AB1310640-001

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    5. Turn the notebook top side up with the front facing you andopen the notebook.

    6. Lift the back edge of the keyboard 1 until it rests at a45-degree angle (Figure 5-13).

    7. Slide the keyboard toward the back of the notebook 2 untilthe tabs on the front edge of the keyboard are removed fromthe slots in the base enclosure.

    8. Swing the back edge of the keyboard up and forward 3 andrest the keyboard on the palm rest.

    Figure 5-13. Releasing the Keyboard

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    9. Release the ZIF connector 1 to which the keyboard cable isattached and disconnect the keyboard cable 2 from thesystem board (Figure 5-14).

    10. Remove the keyboard 3 .

    Figure 5-14. Removing the Keyboard

    Reverse the preceding procedure to install the keyboard andkeyboard retainer.

    5.9 Heat Sink

    1. Prepare the notebook for disassembly (Section 5.3).

    2. Remove the LED switch cover (Section 5.7).

    3. Remove the keyboard (Section 5.8).

    Heat Sink Spare Part Number Information

    Heat sink 310647-001

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    4. Disconnect the fan cable 1 from the system board(Figure 5-15).

    5. Loosen the four PM2.0 20.0 shoulder screws 2 that securethe heat sink to the processor mounting bracket.

    6. Loosen the PM2.0 16.0 shoulder screw 3 that secures theheat sink to the base enclosure.

    Figure 5-15. Disconnecting the Fan Cable and Loosening theHeat Sink Screws

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    5.10 Fan

    1. Prepare the notebook for disassembly (Section 5.3).2. Remove the LED switch cover (Section 5.7).3. Remove the keyboard (Section 5.8).4. Remove the heat sink (Section 5.9).5. Turn the heat sink bottom side up with the grille facing you.6. Remove the three PM2.0 4.5 screws 1 that secure the fan to

    the heat sink (Figure 5-18).7. Remove the fan from the heat sink 2 .

    Figure 5-18. Removing the Fan

    Reverse the preceding procedure to install the fan.

    FanSpare Part Number Information

    Fan 310657-001

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    5.11 Processor

    CAUTION: Before removing the processor, make special note ofthe orientation of the printing on the processor. The gold triangleshould be in the upper right corner when installing the processor.The processor must be installed in the same orientation in which itwas removed.

    1. Prepare the notebook for disassembly (Section 5.3).2. Remove the LED switch cover (Section 5.7).3. Remove the keyboard (Section 5.8).

    4. Remove the heat sink (Section 5.9).

    ProcessorSpare Part Number Information

    Intel Pentium 4 2.4 GHz (for use only with models withconfig. codes LS51 and LS56)

    Intel Pentium 4 2.0 GHz (for use only with models withconfig. codes LS52 and LS55)

    Intel Pentium 4 1.8 GHz (for use only with models withconfig. codes LS53, LS54, and LS57)

    310650-001

    310349-001

    310648-001

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    5.12 Display Assembly

    1. Prepare the notebook for disassembly (Section 5.3).2. Remove the LED switch cover (Section 5.7).

    3. Disconnect the display cable 1 from the system board(Figure 5-20).

    4. Route the display cable out of the retention clip 2 in the topcover.

    Figure 5-20. Disconnecting the Display Cable

    Display AssemblySpare Part Number Information

    16.0-inch, XGA, TFT (for use only with models withconfig. codes LS51, LS52, and LS56)

    13.3-inch, XGA, TFT (for use only with models withconfig. codes LS53, LS54, LS55, and LS57)

    310652-001

    310651-001

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    Maintenance and Service Guide 525

    5. Position the notebook so the rear panel is facing you.

    6. Remove the four TM2.5 7.0 screws 1 that secure the leftand right hinge covers to the base enclosure (Figure 5-21).

    7. Remove the left 2 and right 3 hinge covers by sliding themtoward the outside of the notebook.

    The hinge covers are included in the MiscellaneousPlastics/Hardware Kit, spare part number 310359-001.

    8. Lift the display straight up 4 to remove it from the notebook.

    Figure 5-21. Removing the Display Assembly

    Reverse the preceding procedure to install the display assembly.

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    528 Maintenance and Service Guide

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    4. Remove the following PM2.5 4.0 screws (Figure 5-23):

    Four screws in the battery bay 1

    Two screws in the optical drive bay 2

    Figure 5-23. Removing the Top Cover Screws (Continued)

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    Maintenance and Service Guide 529

    5. Turn the notebook top side up with the front facing you.

    6. Release the ZIF connector 1 to which the TouchPad cable isconnected and disconnect the TouchPad cable 2 from thesystem board (Figure 5-24).

    7. Disconnect the following cables:

    TouchPad button 3

    Left speaker 4

    Right speaker 5

    Figure 5-24. Disconnecting the Top Cover Cables

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    8. Lift the top cover straight up to remove it from the baseenclosure (Figure 5-25).

    Figure 5-25. Removing the Top Cover

    Reverse the preceding procedure to install the top cover.

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    Maintenance and Service Guide 531

    5.14 1394 Board

    1. Prepare the notebook for disassembly (Section 5.3) andremove the following components:

    Optical drive (Section 5.6)

    LED switch cover (Section 5.7)

    Keyboard (Section 5.8)

    Display assembly (Section 5.12)

    Top cover (Section 5.13)

    1394 BoardSpare Part Number Information

    1394 board, includes cable 310656-001

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    2. Remove the tape 1 that secures the 1394 board cable to thebase enclosure (Figure 5-26).

    3. Disconnect the 1394 board cable from the system board 2 .

    4. Remove the PM2.5 4.0 screw 3 that secures the 1