hp / compaq 1650
TRANSCRIPT
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Maintenance & Service GuidePresario 1600 Series
Models: 1650 and 1655
|Home Page |Notice | Preface | Product Description | TroubleshootingIllustrated Parts Catalog | Removal & Replacement Procedures|Specifications
Pin Assignments|Battery Pack Operations
Notice
Preface
ProductDescription
Troubleshooting
Illustrated PartsCatalog
Removal &ReplacementProcedures
SpecificationsConnector PinAssignments
Battery PackOperations
Welcome to the Maintenance & Service Guide (MSG). This online
guide is designed to serve the needs of those whose job it is to repair
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Maintenance & Service GuidePresario 1600 Series
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Pin Assignments|Battery Pack Operations
NoticeThe information in this guide is subject to change without notice.
COMPAQ COMPUTER CORPORATION SHALL NOT BE LIABLE FOR TECHNICAL OREDITORIAL ERRORS OR OMISSIONS CONTAINED HEREIN, NOR FOR INCIDENTAL
OR CONSEQUENTIAL DAMAGES RESULTING FROM THE FURNISHING,PERFORMANCE, OR USE OF THIS MATERIAL.
This guide contains information protected by copyright. No part of this guide may bephotocopied or reproduced in any form without prior written consent from CompaqComputer Corporation.
1998 Compaq Computer Corporation.All rights reserved. Printed in the U.S.A.
Compaq, Presario Registered U. S. Patent and Trademark Office.
Microsoft MS-DOS and Windows are registered trademarks of Microsoft Corporation
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Maintenance & Service GuidePresario 1600 Series
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Pin Assignments|Battery Pack Operations
Preface
This Maintenance and Service Guide is a troubleshooting guide that can be used for reference whenservicing the Compaq Presario 1600 Series Portable Computers.
Compaq Computer Corporation reserves the right to make changes to the Compaq Presario 1600Series Portable Computers without notice.
S y m b o ls
The following words and symbols mark special messages throughout this guide.
WARNING: Text set off in this manner indicates that failure to follow directions in the warning could result in bodily harm or loss oflife.
CAUTION: Text set off in this manner indicates that failure to follow directions could result in damage to equipment or loss of data.
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Maintenance & Service GuidePresario 1600 Series
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|Home Page |Notice | Preface | Product Description | Troubleshooting
Illustrated Parts Catalog | Removal & Replacement Procedures|SpecificationsPin Assignments|Battery Pack Operations
Product Description
Models and
Features
Controls and
Lights
Left SideComponents
Right Side
Components
Bottom of
Unit
RearConnectors
Port
Replicator
Power
Managementfor Windows
CompaqPresario1600 SeriesPortableComputer is
acontinuationof the newgenerationofmultimedia
portablecomputerswith aninnovativeintegrateddesign,
outstanding
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Maintenance & Service GuidePresario 1600 Series
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Pin Assignments|Battery Pack Operations
Troubleshooting
Preliminary Steps
Clearing the Pow er-On
Password
Power-On Self Test
(POST)
Compaq Diagnostics
Diagnostic Error Codes
Troubleshooting
Without Diagnostics
Solving Minor
Problems
Contacting Compaq
Support
This section covers troubleshooting information for theCompaq Presario 1600 Series Portable Computers. Thebasic steps in troubleshooting include:
1. Follow the Preliminary Steps.
2. Run the Power-On Self-Test(POST).
3. Follow the recommendedactions described in thediagnostic tables, if you areunable to run POST or if POSTdisplays an error message.
When following the recommendedactions in the Sections on POST
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Maintenance & Service GuidePresario 1600 Series
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|Home Page |Notice | Preface | Product Description | Troubleshooting
Illustrated Parts Catalog | Removal & Replacement Procedures|SpecificationsPin Assignments|Battery Pack Operations
I llustrated Parts Catalog
System Unit
Boards
Display
Assembly
Mass Storage
Devices
Miscellaneous
Cable Kit
Cables
MiscellaneousHardware and
Plastics Kit
Miscellaneous
Parts
Documentation
and Software
This section provides an breakdown and identifies the spare partsordering number associated with each item(s) for the Compaq Presario1600 Series Portable Computers.
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Maintenance & Service GuidePresario 1600 Series
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Illustrated Parts Catalog | Removal & Replacement Procedures|SpecificationsPin Assignments|Battery Pack Operations
Removal and Replacement Procedures
This section explains the removal and replacement procedures for thecomputer.
Serial Number Location
Dis a s s e m b ly
S e q u e n c e
Electrostatic
Discharge
ServiceConsiderations
Cables and
Connectors
Preparing the
Computer for
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Specifications
This chapter covers the following specifications of Compaq Presario 1600 Series Portable
Computers:
q Computer models
q Physical and environmental
q System Interrupts
q System DMA
q System I/O Address
q System Memory Catalog
q
Display
q Memory expansion
q Diskette drive
q Hard drive
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Illustrated P arts Catalog | Removal & Replacement Procedures|SpecificationsPin Assignments|Battery Pack Operations
Connector Pin Assignments
This appendix provides connector pin assignment tables for Compaq Presario 1600Series Portable Computers. For more information on connectors, refer to the sectionon Rear Connectors.
NOTE: The signals in all tables of this appendix are considered active high unlessotherwise indicated by an asterisk (*).
Parallel Connector
P in Signal P in Signal
1 Strobe* 10 Acknowledge*
2 Data Bit 0 11 Busy
3 Data Bit 1 12 Paper Out
4 D t Bit 2 13 S l t
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Pin Assignments|Battery Pack Operations
Battery Pack Operating Time
This appendix covers the following information concerning battery pack operating time:
q Increase battery pack operating timeq Conditioning a battery packq Disposal of a used battery pack
I n c re a s i n g B a t t e r y P a c k O p e r a t in g T im e
Battery pack operating time differs depending on several variables. To avoid unnecessary
replacement, consider the following variables when determining how long a charged battery packshould last:
q Power management settings
q Hardware configuration
q Software applications
q Installed options
q Display brightness
q Hard drive usage
q Changes in operating temperature
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Illustrated Parts Catalog | Removal & Replacement Procedures|Specifications
Pin Assignments|Battery Pack Operations
Models and Features
Models and
Features
Controls and
Lights
Left Side
Components
Right Side
Components
Bottom of
UnitRear
Connectors
Port
Replicator
Power
Management
Compaq Presario 1600Series Portable Computer Models
Model
1650
Model
1655Display 12. 1" TFT 13. 3" TFT
Processor 266 Pentium II 266 Pentium II
Hard Drive 4.0-GB 4.0-GB
CD Drive 24 MAX 24 MAX
Modem M+-56.0 Kbps or K-56.0 Kbps with ITUV.90
K-56.0 Kbps withITU V.90
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Maintenance & Service GuidePresario 1600 Series
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|Home Page |Notice | Preface | Product Description | Troubleshooting
Illustrated Parts Catalog | Removal & Replacement Procedures|Specifications
Pin Assignments|Battery Pack Operations
Controls and Lights
Models and
Features
Controls and
Lights
Left Side
Components
Right Side
Components
Bottom of
Unit
Rear
Connectors
Port
ReplicatorPower
Management
for Windows
98
Front of Unit1. Display 9.CD
PreviousTrack
2. Power(On/Off)Button
10. CDNextTrack
3.DisqPlaySwitch
11.Keyboard
4.VolumeControlDown
Button
12. TouchPad
5. VolumeControl UpButton
13. LeftTouch PadButton
6. StatusPanel
14. RightTouch Pad
Button
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|Home Page |Notice | Preface | Product Description | Troubleshooting
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Left Side Components
Models and
Features
Controls and
Lights
Left Side
Components
Right Side
Components
Bottom of
Unit
Rear
Connectors
Port
Replicator
Power
Management
1.ModemJack
2.DisketteDriveSlot
3.Diskette
EjectButton
4.BatteryPack
5. LeftSpeaker
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|Home Page |Notice | Preface | Product Description | Troubleshooting
Illustrated Parts Catalog | Removal & Replacement Procedures|Specifications
Pin Assignments|Battery Pack Operations
Right Side Components
Models and
Features
Controls and
Lights
Left Side
Components
Right Side
Components
Bottom of
Unit
Rear
Connectors
Port
Replicator
PowerManagement
for Windows
98
1.HeadphoneOut
6. ManualEject Hole
2.Line-In Jack 7. PCMCIA(Top Slot)
3. ExternalMicrophone
Jack
8.PCMCIA(Bottom Slot)
4. CD Drive 9.PCMCIAEject Levers
5. CD DriveEject Button
10. RightSpeaker Port
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Bottom of Unit
Models and
Features
Controls and
Lights
Left Side
Components
Right Side
Components
Bottom of
Unit
Rear
Connectors
Port
Replicator
Power
Management
for Windows
98
1. MemoryCompartment
2.Feet
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Pin Assignments|Battery P ack Operations
Rear Connectors
Models and
Features
Controls andLights
Left Side
Components
Right Side
Components
Bottom of
UnitRear
Connectors
Port
Replicator
Power
Management
for Windows
98
1.Keyboard/MousePort
6. External MonitorPort
2. Parallel PrinterPort 7. USB
3. Port Replicator 8. AC Adapter
4. Fan Exhaust 9. Security Slot
5. Serial Port
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Pin Assignments|Battery Pack Operations
Port Replicator
Models and
Features
Controls and
Lights
Left Side
Components
Right Side
Components
Bottom of
Unit
Rear
Connectors
Port
Replicator
Power
Management
for Windows
98
This section is an overview of the Compaq Presario 1600 Series PortableComputer Port Replicator and covers the following topics:
s System Overview
s Features
s Port Replicator Rear Connectors
s
80-Pin Connectors
System Overview
A manual docking mechanism on the Compaq Presario 1600 Series PortableComputer Port Replicator docks Compaq Presario 1600 Series PortableComputers. When the computer is docked, the 80-pin external options connectorhandles the entire electrical interface (both power and signal connections)between the computer and the Port Replicator Rear.
Features
The Compaq Presario 1600 Series Portable Computer Port Replicator provides
all the connectors supported by the Compaq Presario 1600 Series Portable
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80-P in Port Replicator ConnectorThe 80-pin Compaq Presario 1600 Series Portable Computer Port Replicatorconnector handles the entire electrical interface between the port Replicatorand the computer.
CAUTION: Turn the computer power switch off before you connect or disconnect theport Replicator. Damage may occur to the computer if it is "hot" plugged to the portReplicator.
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Port Replicator Rear ConnectorsThis section covers external input/output (I/O) connectors. Refer to PinAssignments for connector pin assignments.
Port ReplicatorRear Connectors
1. Keyboard 6. ExternalMonitor
2. Mouse 7. Serial
3. USB 8. Parallel
4. USB 9. ACAdapter
5.MIDI/GamePad/Joystick
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Pow er Management for Windows 98
The following power management features are available for conserving AC power and extendingbattery operating time:
q Power Management Settingsq Sleep
q Hibernationq Battery operating time
q Rebooting After a Lockupq Servicing Your Computer - Full Off Mode
Po w e r Ma n a g e m e n t S e t t in g s
Depending on your patterns of computer use, you can set different levels of power management.These different power management levels can be activated based on the amount of time passedsince the last system activity. System activity examples, include keyboard or mouse movement,CD (while under program control that monitors Sleep), and modem use.
You can select different conditions or power schemes through Power Management..The optionalsettings are Home/ Office Desk, Portable/ Laptop and Always On. From the default settings,you can change the following settings.
q the System goes to Sleep (Standby) modeq the screen times out and goes blankq the hard drive spins down
E h f th t t ill t l ft th l t d d f lt i d f i ti it
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Pin Assignments|Battery Pack Operations
Removing the Battery Pack
Electrostatic
Discharge
Service
Considerations
Cables and
Connectors
Preparing theComputer for
Disassembly
Battery Pack
Palmrest
Cover w ith
Touch Pad
Keyboard
Heatspreader
Modem
Processor
Status Panel
To remove thebattery pack,complete thefollowing steps:
1.Slide the batterypack
compartmentdoor down andpull the batterypack forward fromthe chassis.
To replace the
battery pack,reverse theprocedure.
Thereplacementbattery
pack will
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Maintenance & Service GuidePresario 1600 Series
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Preliminary Steps
Before running POST, complete the following preliminary steps:
1. If a power-on password has been established, type the password and press the Enter key. Ifthe password is not known, clear the password.
2. Run Computer Checkup.
3. Turn off the computer and its external devices.
4. Disconnect any external devices that you do not want to test. Do not disconnect the printer ifyou want to test it or use it to log error messages.
IMPORTANT:
If the problem only occurs when an external device is connectedto the computer, the problem may be related to the externaldevice or its cable. Verify this by running POST with and withoutthe external device connected.
5 Install loopback plugs in the serial and parallel connectors if you would like to test these ports
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Power-On Self Test (POST)
R u n n i n g P OS T
To run POST, complete the following steps:
Turn off the computer, then turn on the computer.
If POST does not detect any errors, the computer will not beep. This indicates successfulcompletion of POST test. POST has run successfully and boots from the hard drive (or from abootable diskette if one is installed in the diskette drive).
If POST detects errors, the errors are indicated by screen and/or audible messages. Refer to"Power-On Self-Test (POST) Codes" in the tables for a list of POST codes and their relevantdescriptions.
NOTE:If the system is not functioning well enough to run POST, or if the display is not functioningwell enough to show POST error messages, refer to the Troubleshooting tables.
Power-On Self-Test Messages
102-System Board Failure
Probable Cause Recommended Action
DMA timers etc Replace the system board
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Clearing the Pow er-on Password
Clearing the power-on passwordrequires removing all Setupattributes that are programmedin the CMOS.
If the password is not known,clear it by performing thefollowing steps:
1. Turn off the computer.
2. Disconnect the power cord.
3. Remove the battery pack.
4. Remove the keyboard.
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Compaq DiagnosticsCompaq Diagnostics is installed on the hard drive of the computer. Run theDiagnostics utilities when you want to view or test system information and ifyou have installed or connected devices. If you run Compaq Diagnostics froma diskette, ensure that it is version 10.11 or later.
The Diagnostics menu includes the following utilities:
s Computer Checkup (TEST)
s View System Information (INSPECT)
s Prepare Computer for a Compaq Service Call (RemotePaq)
If you have a problem you cannot solve, run the Diagnostics utilities beforeyou call for support. Run Computer Checkup and select to save the device listto a file and to print or to save the log of errors. Run the View SystemInformation (INSPECT) utility and select to print or to save that information.Have the files or the printed information available when you call for support.
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Contacting Compaq Support
Obtain the following information before contacting Compaq Reseller Support:
q Product nameq Product serial numberq Purchase dateq Conditions under which the problem occurredq Any error messages that have occurredq Hardware configurationq Type of printer connectedq Hardware/software being usedq Printed result of Computer Checkup (TEST)q Printed copies ofCONFIG.SYS and AUTOEXEC.BAT files, if possible
S h ip p in g P re p a ra t io n
To ship the computer, complete the following steps:
1. Back up the critical hard drive files. Ensure that backup tapes/diskette are
t d t l t i l ti fi ld hil t d i t it
M i t & S i G id
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Diagnostic Error CodesDiagnostic error codes occur if the system recognizes a problem while running the CompaqDiagnostic program. These error codes help identify possibly defective subassemblies.
The following tables list error codes, a description of the error condition, and the action requiredto resolve the error condition.
IMPORTANT:Retest the system after completing each step. If the problem has been resolved,do not proceed with the remaining steps.
For the removal and replacement of a particular subassembly, see Removal and Replacement
Procedures.
Select error codes by number or type:
101 through 114 Processor Test
200 through 215 Memory Test
300 through 304 Keyboard Test
United States January 2, 2003
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Troubleshooting Without Diagnostics
This section provides information about how to identify and correct some common hardware, memory, and softwareproblems. It also explains several types of common messages that may be displayed on the screen. The following pagescontain troubleshooting information on:
Audio Memory
Battery/Battery gauge PC CardCD drive Power
Diskette/Diskette drive Printer
Display Touch Pad
Hard drive Keyboard/Numeric keypad
Hardware Installation
Since symptoms can appear to be similar, carefully match the symptoms of the computer malfunction against the problemdescription in the Troubleshooting tables to avoid a misdiagnosis.
WARNING: To avoid a potential shock hazard during troubleshooting procedures, disconnect all powersources before removing the keyboard cover or the display bezel.
B e f o r e R e p l a c in g P a r t s
Maintenance & Service GuideP i 1600 S i
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Solving Minor Problems
Some minor problems and possible solutions are outlined in the following tables. If the problemappears related to a software application, check the documentation provided with the software.
S o lv in g A u d io P ro b le m s
Some common audio problems and solutions are listed in the following table.
Solving Audio Problems
Problem Probable Cause Solution(s)
Computer does not beep after the Power-OnSelf-Test (POST).
This is typical; it indicates successfulcompletion of the Power-On Self-Test(POST).
No action is required.
S o lv in g B a t t e r y P a ck a n d B a t t e r y Ga u g e P ro b le m s
Some common causes and solutions for battery pack problems are listed in the following table. The"Solving Power Problems" section in this chapter may also be applicable.
Solving Battery Pack and Battery Gauge Problems
Problem Probable Cause Solution(s)
Computer won't turn on when batteryk i i t d d d i
Battery pack is discharged. Connect the computer to an externald h th b tt
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S o lv i n g P C Ca r d P r o b le m s
Some common causes and solutions for PC Card problems are listed in the following table.
Solving PC Card Problems
Problem Probable Cause Solution(s)
When turned on, the computerdoes not beep when a PC Cardis inserted.
Card is not inserted properly.
PC Card beeps are disabled.
Ensure the card is insertedin the correct orientation.
Double-click the PC Cardicon in the Control Panel,click the Global Settingstab, the enable PC Cardsound effects.
Speaker is turned off orvolume is turned down.
Press volume buttons toturn the speaker on, then
increase the volume. PC Card drivers are notinstalled.
Double click the Add NewHardware icon in theControl Panel for installationinstructions.
If PC Card or drivers are not
tibl ith Wi d
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System Unit
System Unit
Boards
Display
Assembly
Mass Storage
Devices
MiscellaneousCable Kit
Cables
Miscellaneous
Hardware and
Plastics Kit
Miscellaneous
Parts
Documentation
and Software
Description SparePartNumber
1. Status Panel293737-001
2. Palmrest Cover 332226-001
3. Keyboard
United States 330981-001
Canada 330981-401
4. Upper CPUCover with PowerSwitch Connector(Top Plastics)
293739-001
5. Speaker
Assembly w/Cable
293883-
0016. Battery Pack,Li ion
330936-001
7. CPU BaseAssemblyEnclosure,(BottomPlastics)
331156-001
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Boards
System Unit
Boards
Display
Assembly
Mass Storage
Devices
Miscellaneous
Cable Kit
Cables
Miscellaneous
Hardware and
Plastics Kit
Miscellaneous
PartsDocumentation
and Software
Description SparePartNumber
1.Heatspreader 331164-001
2.ProcessorPentium II/233Processor
Pentium II/266
347556-001
330983-001
3. Audio Board 331010-001
4. LCDInterfaceBoard TFTw/header
293156-001
5. Modem, M+- 56.0 KbpsData/Fax 138610-001
Modem, K-56.0 KbpsData/Fax 138657-001
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System Unit
Boards
Display
Assembly
Mass StorageDevices
Miscellaneous
Cable Kit
Cables
Miscellaneous
Hardware and
Plastics Kit
Miscellaneous
Parts
Documentation
and Software
Description Spare Part
Number
DisplayAssemblyw/Cable, 12.1inch TFT
DisplayAssemblyw/Cable, 13.3
inchTFT
331014-001
331012-001
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Mass Storage Devices
System Unit
Boards
Display
Assembly
Mass Storage
Devices
MiscellaneousCable Kit
Cables
Miscellaneous
Hardware and
Plastics Kit
MiscellaneousParts
Documentation
and Software
Description SparePartNumber
1. DisketteDrivew/Cable,1.44 MB,3.5 inch
331165-001
2. HardDrivew/MountingBracket, 5.0-GB
Hard Drivew/Mounting
Bracket 4.0-GB
331011-001
330969-001
3. 24 MAXCD Drive
330967-001
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Miscellaneous Cables Kit
System Unit
Boards
Display
Assembly
Mass Storage
Devices
Miscellaneous
Cable Kit
Cables
Miscellaneous
Hardware and
Plastics Kit
Miscellaneous
Parts
Documentation
and Software
M is c e l la n e o u s C a b l e s K i t
S p a r e P ar t N u m b e r : 3 3 2 2 3 4 - 0 0 1
Description Quantity
1a. Cable, Diskette Drive 1
1b. Cable, Hard Drive 1
1c. Cable, CD Drive 1
1d. Cable, TouchPad SW Board 1
1e. Cable, Fax/Modem 1
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System Unit
Boards
Display
Assembly
Mass Storage
Devices
Miscellaneous
Cable Kit
Cables
Miscellaneous
Hardware and
Plastics Kit
Miscellaneous
Parts
Pow er Cords
Description Spare Part Number
Power Cord
Modem Cables
Description Spare Part Number
1. Modem
United States/ French Canada 293831-001
Asia Pacific 137256-001
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Miscellaneous Hardware and P lastics Kit
System Unit
Boards
Display
Assembly
Mass Storage
Devices
Miscellaneous
Cable Kit
Cables
Miscellaneous
Hardware and
Plastics Kit
Miscellaneous
Parts
Documentation
and Software
M i s c e l la n e o u s H a r d w a r e a n d P l a s t i c s K i t
S p a r e P a rt N u m b e r : 2 9 3 7 6 1 - 0 0 1
Description Quantity
1. Door, Battery Pack 1 each
2. Cover, Memory Module 1 each
3. Door, PCMCIA 2 each
4. Hinge (Clutch) Cover, Left 1 each
5. Hinge (Clutch) Cover, Right 1 each
6. Rubber Foot 10 each
7. Stand Foot (plastic) 10 each
8. Hard Drive Mounting Bracket 1 each
9. Stiffener Bracket 1 each
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Pin Assignments|Battery Pack Operations
Miscellaneous Parts
System Unit
Boards
Display
Assembly
Mass Storage
Devices
Miscellaneous
Cable Kit
Cables
Miscellaneous
Hardware and
Plastics Kit
Miscellaneous
Parts
Documentation
and Software
Description Spare PartNumber
1. AC Adapter 298239-001
2. PortReplicator
293857-001
Clock Battery(Not Shown)
117099-001
MiscellaneousScrew Kit (NotShown)
293760-001
Logo Kit (NotShown)
203727-001
Return Kit (NotShown)
293799-001
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Pin Assignments|Battery Pack Operations
Documentation and Software
System Unit
Boards
Display
Assembly
Mass Storage
Devices
Miscellaneous
Cable Kit
Cables
Miscellaneous
Hardware and
Plastics Kit
Miscellaneous
Parts
Documentation
and Software
Description Spare Part Number
Quick Restore CD
Not Available Not Available
Not Available
Not Available
Not Available
Quick Reference Guide
QuickFind for Windows, North America, Latin America, AsiaPacific
QuickFind for Windows, Europe, Middle East, Africa
*QuickFind is updated monthly. To complete the QuickFind part number, add thesuffix from the table below for the desired month. If you do not specify the 3-digitsuffix, the default is the current month in which the order is placed.
QuickFind Part Number Suffix
Suffix Month Suffix Month
-001 January -007 July
-002 February -008 August
-003 March -009 September
-004 April -010 October
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Electrostatic Discharge
A sudden discharge of static electricity from a finger or other conductor candestroy static-sensitive devices or microcircuitry. Often the spark is neitherfelt nor heard, but damage occurs. An electronic device exposed toelectrostatic discharge (ESD) may not be affected at all and will workperfectly throughout a normal cycle. Although, it may function normally for a
while, then degrade in the internal layers, reducing its life expectancy.
Networks built into many integrated circuits provide some protection, but inmany cases, the discharge contains enough power to alter device parametersor melt silicon junctions.
Generating Static
The table shows how different activities generate static electricity and atdifferent electrostatic voltage levels.
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S e rv ic e Co n s id e ra t io n s
Listed below are some of the considerations that you should keep in mindduring the disassembly and assembly of the computer.
To o l a n d S o f t w a re R e q u ire m e n t s
To service the computer, you need the following:
q Compaq screwdriver kit (Spare Part No. 161946-001)q Torx T-9 screwdriverq 5mm nut drivers (for screwlocks and standoffs)q Small, standard screwdriver
q Small, Phillips screwdriverq Plastic shroudq Diagnostics software
S c re w s
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Ca b le s a n d Co n n e c t o r s
Most cables used throughout the unit are ribbon cables. Cables must be handled withextreme care to avoid damage. Apply only the tension required to seat or unseat thecables during insertion or removal from the connector. Handle cables by the connectorwhenever possible. In all cases, avoid bending, twisting, or tearing the cables, andensure that the cables are routed in such a way that they cannot be caught or snaggedby parts being removed or replaced.
C a b l e s
Use the following precautions when handling cables to avoid damage to the cable orcomputer:
q Always handle cables by their connectors.q Avoid bending, twisting, or pulling on the cables.q Apply minimum required force when seating or unseating the cables from their
connectors.q Place the cables in such a manner that they cannot be caught or snagged by parts being
removed or replaced.q Handle flex cables with extreme care; they can tear easily.
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Z I F Co n n e c t o r s
The computer uses a zero insertion force(ZIF) connector for the keyboard cable to thesystem board. To remove a cable from a ZIF
connector, lift both corners of the ZIFconnector and slide simultaneously withconstant light force.
CAUTION: A ZIF connector and itsattached cable can be easilydamaged. Handle only the connectorslide when removing or replacing acable. Never pull or twist on thecable while it is connected.
CAUTION: When servicing thiscomputer, ensure that cables areplaced in their proper location duringthe reassembly process. Impropercable placement can damage thecomputer.
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The ribbon cable position for the 5.0-GB or 4.0-GB
hard drive.
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The ribbon cable position for the diskette drive.
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The cable position for the speaker assembly.
Back to Cables and Connectors.
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Preparing the Computer for Disassembly
Electrostatic
Discharge
Service
Considerations
Cables and
Connectors
Preparing the
Computer for
Disassembly
Battery Pack
Palmrest
Cover w ith
Touch Pad
Keyboard
Before beginning removal and replacement procedures,complete the following procedures:
1. Disconnect AC power and any external devices.
2. Remove the battery pack.
3. Remove any PC Cards.
IMPORTANT:
The battery pack should be removed before
performing any internal maintenance on thecomputer.
WARNING: Metal objects can damage the battery pack
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Removing the Palmrest Cover w ith Touch Pad
ElectrostaticDischarge
Service
Considerations
Cables and
Connectors
Preparing theComputer for
Disassembly
Battery Pack
Palmrest
Cover w ith
Touch Pad
Keyboard
Heatspreader
Modem
Processor
The palmrestcover with touchpad must beremoved to gainaccess to any ofthe interiorcomponents of the
computer, and it isthe firstcomponent thathas to be removedto gain access tothe interiorcomponents.
NOTE:
It is notnecessaryto removethe displaypanelassembly to
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4. Turn the computer over (right side up),pull forward on the display latches to releaseand open the display assembly.
5. Lift up front end of the palmrest coverwith touch pad and remove it from the
groove in the chassis.
6. Tilt the palmrest cover with touch pad,allowing it to rest on top of the keyboard,and disconnect the flex cable from the LIFconnector on the palmrest cover.
CAUTION: When replacing thepalmrest cover with touch pad, ensurethat the cable is fully inserted into theLIF connector on the system board. Ifthe metal end should come in contactwith the keyboard, damage may occurto the computer.
To replace the palmrest cover with touchpad, reverse the previous procedures.
Return to Removal & ReplacementProcedures
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Removing the Keyboard
Electrostatic
Discharge
Service
Considerations
Cables and
Connectors
Preparing the
Computer for
Disassembly
Battery Pack
Palmrest
Cover w ith
Touch Pad
Keyboard
Heatspreader
Modem
Processor
Status Panel
To remove the
keyboard, completethe following steps:
1. Prepare thecomputer fordisassembly.
2. Remove thepalmrest cover withtouch pad.
3. Gently lift up thefront of the keyboardand disconnect the
flex cable from theZIF connector on thesystem board.
To remove a
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4. Lift the keyboard outof the chassis.
To replace thekeyboard, reverse theprevious procedures.
Return to Removal &
ReplacementProcedures
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Removing the Heatspreader
Electrostatic
Discharge
Service
Considerations
Cables and
Connectors
Preparing theComputer for
Disassembly
Battery Pack
Palmrest
Cover w ithTouch Pad
Keyboard
Heatspreader
Modem
Processor
To removetheheatspreader,complete thefollowingsteps:
1. Preparethe computerfordisassembly.
2. Remove
the palmrestcover withtouch pad.
3. Removethe keyboard.
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Removing the Modem
Electrostatic
Discharge
Service
Considerations
Cables and
ConnectorsPreparing the
Computer for
Disassembly
Battery Pack
Palmrest
Cover w ith
Touch Pad
Keyboard
Heatspreader
Modem
To removethe modemand shield,complete thefollowingsteps:
1. Preparethe computerfordisassembly.
2. Removethe palmrestcover withtouch pad.
3. Removethe keyboard.
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6. Disconnect the modemcable from the modem.
To replace the modem,reverse the previousprocedures.
Return to Removal &
ReplacementProcedures
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Removing the Processor
Electrostatic
Discharge
Service
Considerations
Cables and
ConnectorsPreparing the
Computer for
Disassembly
Battery Pack
PalmrestCover w ith
Touch Pad
Keyboard
Heatspreader
To removetheprocessor,complete thefollowingsteps:
1. Preparethe computerfordisassembly.
2. Removethe palmrestcover withtouch pad.
3. Removethe keyboard.
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7. Insert a small bladescrew driver under the
right side on theprocessor and lift theprocessor from thechassis slot.
8. Lift the processor out
of the processor chassisslot.
To replace the processor
complete the followingsteps:
1. Insert the processor intothe chassis slot on thesystem board and push
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Removing the Status Panel
ElectrostaticDischarge
Service
Considerations
Cables and
Connectors
Preparing the
Computer for
Disassembly
Battery Pack
Palmrest
Cover w ithTouch Pad
Keyboard
Heatspreader
Modem
To removethe statuspanel,complete thefollowingsteps:
1. Preparethe computerfordisassembly.
2. Removethe palmrestcover withtouch pad.
3. Removethe
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6. Disconnect the flexcable from the connectoron the status panelheader.
NOTE:
When replacingthe status panel,ensure all cables
are properlyreplaced underthe status paneland notobstructing thestatus panelreplacement.
To replace the statuspanel, reverse theprevious procedures.
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6. Slightly lift the interface board,disconnect the ZIF connector, andbacklight power cable from the interfaceboard.
Next Step
Maintenance & Service GuidePresario 1600 Series
Models: 1650 and 1655
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7. Lift the interface board up with theheader attached from the system board..
IMPORTANT:
When removing the
interface board withthe header attachedoccassionally theheader will remainattached to the systemboard. If this occurswhen removing the
interface board withthe header attached,separate the headerfrom the connector onthe system board.
To replace the interface board, reversethe previous procedures.
NOTE:
When replacing interfaceboard, ensure bothconnectors on the board areproperly seated.
The following illustration and tableindicates the locations of the connectorson the interface board.
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Interface Board Components
Designator Connector
1. JP1 Backlight Switch
2. JP3 Display Interface ZIF
3. JP4 Inverter/Backlight LIFConnector
4. None Interface Header
Return to Removal &Replacement Procedures
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Removing the 5.0-GB or 4.0-GB Hard Drives
Electrostatic
Discharge
Service
Considerations
Cables and
Connectors
Preparing the
Computer for
Disassembly
Battery Pack
PalmrestCover w ith
Touch Pad
Keyboard
Heatspreader
To removethe harddrive withthe harddrivebracket
attached,completethe followingsteps:
1. Preparethecomputerfordisassembly.
2. Removethe palmrest
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5. Disconnect the harddrive data cable fromthe hard drive andremove from thechassis.
Next Step
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To remove the hard drivemounting bracket,
complete the followingstep:
Remove four screws fromthe hard drive mountingbracket.
To replace the hard driveand hard drive mountingbracket, reverse theprevious procedures.
Return to Removal &ReplacementProcedures
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Pin Assignments|Battery Pack Operations
Removing the Battery Charger Board
ElectrostaticDischarge
Service
Considerations
Cables and
Connectors
Preparing theComputer for
Disassembly
Battery Pack
Palmrest
Cover w ith
To remove thebattery chargerboard, completethe followingsteps:
1. Prepare the
computer fordisassembly.
2. Remove thepalmrest coverwith touch pad.
3. Remove thekeyboard.
4. Remove thehard drive.
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Removing the CD Drive
ElectrostaticDischarge
Service
Considerations
Cables and
Connectors
Preparing the
Computer for
Disassembly
Battery Pack
Palmrest
Cover w ithTouch Pad
Keyboard
Heatspreader
Modem
To removethe CD drive,complete thefollowingsteps:
1. Prepare
the computerfordisassembly.
2. Removethe palmrest
cover withtouch pad.
3. Removethe keyboard.
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Pin Assignments|Battery Pack Operations
8. Disconnect the CD drive cablefrom the system board.
To replace the CD drive, reverse the
previous procedures.
Return to Removal &Replacement Procedures
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Pin Assignments|Battery Pack Operations
Removing the Display Panel Assembly
Electrostatic
Discharge
Service
Considerations
Cables and
Connectors
Preparing the
Computer forDisassembly
Battery Pack
Palmrest
Cover w ith
Touch Pad
KeyboardHeatspreader
Modem
Processor
Status Panel
Interface
To remove the displaypanel assembly,
complete thefollowing steps:
1. Prepare thecomputer fordisassembly.
2. Remove thepalmrest cover withtouch pad.
3. Remove thekeyboard.
4. Remove theheatspreader.
5. Remove the statuspanel.
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9. Disconnect thebacklight cable attached
to the display panelassembly from theconnector on thesystem board.Disconnect the flex cableattached to the display
panel assembly from theZIF connector on thesystem board.
The flexcable for
the 13.3''TFT displaypanel willcontain aconnectorwhich will
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Pin Assignments|Battery Pack Operations
Removing the Upper CPU Cover
Electrostatic
Discharge
Service
Considerations
Cables and
Connectors
Preparing the
Computer for
Disassembly
Battery Pack
To removethe UpperCPU covercomplete thefollowingsteps:
1. Preparethe computerfordisassembly.
2. Remove
the screwlocated underthe bottom ofthe unit nearthe batterypack which
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Maintenance & Service GuidePresario 1600 Series
Models: 1650 and 1655
|Home Page |Notice | Preface | Product Description | Troubleshooting
Ill t t d P t C t l | R l & R l t P d | S ifi ti
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Illustrated Parts Catalog | Removal & Replacement Procedures|Specifications
Pin Assignments|Battery Pack Operations
Removing the Diskette Drive
Electrostatic
Discharge
Service
Considerations
Cables and
Connectors
Preparing the
Computer for
Disassembly
Battery Pack
Palmrest
Cover w ith
Touch Pad
Keyboard
Heatspreader
To remove the diskette drive, complete the following steps:
1. Prepare the computer for disassembly.
2. Remove the palmrest cover with touch pad.
3. Remove the keyboard.
4. Remove the heatspreader.
5. Remove the display panel assembly.
6. Remove the Upper CPU cover.
Next Step
Maintenance & Service GuidePresario 1600 Series
Models: 1650 and 1655
| Home Page | Notice | Preface | Product Description | Troubleshooting
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|Home Page |Notice | Preface | Product Description | Troubleshooting
Illustrated Parts Catalog | Removal & Replacement Procedures|Specifications
Pin Assignments|Battery Pack Operations
7. Disconnect the diskettedrive data cable from thesystem board.
Next Step
Maintenance & Service GuidePresario 1600 Series
Models: 1650 and 1655
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Illustrated P arts Catalog | Removal & Replacement Procedures|Specifications
Pin Assignments|Battery Pack Operations
8. Unscrew the diskette drivestandoff and screw (left corner)from the system board. Lift thediskette drive off the alignment
pegs and remove from the chassis.
To replace the diskette drive,reverse the previousprocedures.
Return to Removal &Replacement Procedures
Maintenance & Service GuidePresario 1600 Series
Models: 1650 and 1655
|Home Page |Notice | Preface | Product Description | Troubleshooting
Illustrated Parts Catalog | Removal & Replacement Procedures|Specifications
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Pin Assignments|Battery Pack Operations
Removing the Fan Assembly
Electrostatic
Discharge
Service
Considerations
Cables and
Connectors
Preparing the
Computer forDisassembly
Battery Pack
Palmrest
Cover w ith
Touch Pad
To remove the fanassembly, complete
the following steps:
1. Prepare thecomputer fordisassembly.
2. Remove thepalmrest cover withtouch pad.
3. Remove thekeyboard.
4. Remove theheatspreader.
5. Remove the displaypanel assembly.
6. Remove the Upper
Maintenance & Service GuidePresario 1600 Series
Models: 1650 and 1655
|Home Page |Notice | Preface | Product Description | Troubleshooting
Illustrated Parts Catalog | Removal & Replacement Procedures | Specifications
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Illustrated Parts Catalog | Removal & Replacement Procedures|Specifications
Pin Assignments|Battery Pack Operations
Removing the Audio Board
ElectrostaticDischarge
Service
Considerations
Cables and
Connectors
Preparing the
Computer for
Disassembly
Battery Pack
Palmrest
Cover w ithTouch Pad
Keyboard
Heatspreader
Modem
To removethe audioboard,complete thefollowingsteps:
1. Preparethe computerfordisassembly.
2. Remove
the palmrestcover withtouch pad.
3. Removethe keyboard.
Maintenance & Service GuidePresario 1600 Series
Models: 1650 and 1655
|Home Page |Notice | Preface | Product Description | Troubleshooting
Illustrated Parts Catalog | Removal & Replacement Procedures | Specifications
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Illustrated P arts Catalog | Removal & Replacement Procedures|Specifications
Pin Assignments|Battery Pack Operations
9. Push to the right on the latch toseparate the audio board from thebase pan while disconnecting theaudio board from the connector on
the system board.
To replace the audio board,reverse the previousprocedures.
Return to Removal &Replacement Procedures
Maintenance & Service GuidePresario 1600 Series
Models: 1650 and 1655
|Home Page |Notice | Preface | Product Description | Troubleshooting
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Illustrated Parts Catalog | Removal & Replacement Procedures|Specifications
Pin Assignments|Battery Pack Operations
Removing the System Board
Electrostatic
Discharge
Service
Considerations
Cables and
Connectors
Preparing the
Computer for
Disassembly
Battery PackPalmrest
Cover w ith
Touch Pad
Keyboard
To remove the system board, complete the following steps:
1. Prepare the computer for disassembly.
2. Remove the palmrest cover with touch pad.
3. Remove the keyboard.
4. Remove the heatspreader.
5. Remove the processor.
6. Remove the status panel.
7. Remove the interface board.
Maintenance & Service GuidePresario 1600 Series
Models: 1650 and 1655
|Home Page |Notice | Preface | Product Description | Troubleshooting
Ill d P C l | R l & R l P d | S ifi i
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Illustrated Parts Catalog | Removal & Replacement Procedures|Specifications
Pin Assignments|Battery Pack Operations
19. Remove fivestandoffs from thesystem board.
Next Step
Maintenance & Service GuidePresario 1600 Series
Models: 1650 and 1655
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Illustrated Parts Catalog | Removal & Replacement Procedures|Specifications
Pin Assignments|Battery Pack Operations
20. Remove threescrews from the systemboard.
Next Step
Maintenance & Service GuidePresario 1600 Series
Models: 1650 and 1655
|Home Page |Notice | Preface | Product Description | Troubleshooting
Illustrated Parts Catalog | Removal & Replacement Procedures|Specifications
Pin Assignments|Battery Pack Operations
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21. Push in the PCMCIA eject levers, lift up thefront end of the system board, pull forward, andremove the system board from the chassis.
To replace the system board, reverse theprevious procedures.
IMPORTANT:Remove all cables from thesystem board.
Return to Removal & Replacement Procedures
Maintenance & Service GuidePresario 1600 Series
Models: 1650 and 1655
|Home Page |Notice | Preface | Product Description | TroubleshootingIllustrated Parts Catalog | Removal & Replacement Procedures | Specifications
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Illustrated Parts Catalog | Removal & Replacement Procedures|Specifications
Pin Assignments|Battery Pack Operations
Removing the Memory Module
Electrostatic
Discharge
Service
Considerations
Cables and
Connectors
Preparing the
Computer for
Disassembly
Battery Pack
Palmrest
Cover w ith
Touch Pad
Keyboard
Heatspreader
Modem
To removethe memorymodule,completethe followingsteps:
1. Preparethecomputerfordisassembly.
2. Close thecomputerand turn thecomputerupsidedown
Maintenance & Service GuidePresario 1600 Series
Models: 1650 and 1655
|Home Page |Notice | Preface | Product Description | Troubleshooting
Illustrated Parts Catalog | Removal & Replacement Procedures | Specifications
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Illustrated Parts Catalog | Removal & Replacement Procedures|Specifications
Pin Assignments|Battery Pack Operations
4. Pull side levers torelease the memorymodule and unplugthe memory modulefrom the system board.
To replace the memorymodule, reverse theprevious procedures.
Return to Removal &ReplacementProcedures