IBM 6029 User Manual
IBM
Hardw are Maintenance Man ual
Ty pe 6 0 29
IBM
Hardw are Maintenance Man ual
Ty pe 6 0 29
Note:
Before using this information and the product it supports, be sure to read the general information und
First Edition (March 2002)
INTERNATIONAL BUSINESS MACHINES CORPORATION PROVIDES THIS PUBLICATION ″AS IS″ WITHOUT
ANY WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE
LIMITED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Some
jurisdictions do not allow disclaimers or express or implied warranties in certain transactions; therefore, this
statement may not apply to you.
This publication could include technical inaccuracies or typographical errors. Changes are periodically made to the
information herein; these changes will be incorporated in new editions of the publication. IBM may make
improvements or changes in the products or the programs described in this publication at any time.
Requests for technical information about IBM products should be made to your IBM Authorized Dealer or your
IBM Marketing Representative.
© Copyright International Business Machines Corporation 2001. All rights reserved.
US Government Users Restricted Rights – Use, duplication or disclosure restricted by GSA ADP Schedule Contract
with IBM Corp.
Contents
Chapter 1. About this manual .....1
Important Safety Information .........1
Chapter 2. General Checkout......3
Chapter 3. General information .....5
Features................5
Physical specifications ...........8
Availableoptions.............9
Chapter 4. Diagnostics ........11
Setup Utility program ...........12
Product Recovery Program menu .......13
Diagnostics ..............14
Diagnostics program download.......14
Navigating through the diagnostics programs . . 14
Running diagnostics tests.........14
Test selection .............14
Testresults .............15
Hard file Smart test...........15
QuickandFullerase-harddrive......17
Viewing the test log ..........17
Chapter 5. Installing Options .....19
Installing external options .........19
Locating connectors on the front of the computer 20
Locating connectors on the rear of the computer 22
Obtainingdevicedrivers.........22
Installing internal options .........22
Removing the cover ..........23
Locating components ..........24
Identifying parts on the system board ....25
Installing memory ...........25
Installing and removing adapters ......27
Installing and removing internal drives ....29
To connect the first IDE CD drive or DVD drive 31
To connect an additional IDE CD drive or DVD
drive ...............32
To connect an additional IDE hard disk drive . . 32
Changing the battery ..........32
Replacing the cover and connecting the cables. . 33
Chapter 6. FRU Removals ......35
Replacing a microprocessor .........35
Removals ...............35
Frontbezel.............35
Harddiskdrive............36
Power supply ............37
System board.............38
Chapter 7. Symptom-to-FRU Index . . . 39
Hard disk drive boot error .........39
Power Supply Errors ...........39
Diagnostic error codes ...........41
Beepsymptoms.............59
No-beepsymptoms............61
POST error codes ............62
Miscellaneous error messages ........77
Undetermined problems ..........79
Chapter 8. Parts listing ........85
Chapter 9. Additional Service
Information .............87
Security features.............87
Passwords..............87
Vital product data ...........88
Management Information Format (MIF) ....88
Alert on LAN ............89
BIOSlevels..............89
Flash (BIOS/VPD) update procedure ......89
Flash recovery boot block jumper .......90
Power management ...........91
Automatic configuration and power interface
(ACPI) BIOS .............91
Advanced Power Management .......91
Automatic Hardware Power Management
features...............91
Setting Automatic Hardware Power Management
features...............91
AutomaticPower-Onfeatures.......92
Chapter 10. Related service information 93
Safety information ............93
General safety ............93
Electrical safety ............94
Safety inspection guide .........95
Handling electrostatic discharge-sensitive devices 96
Grounding requirements .........97
Safety notices (multi-lingual translations) . . . 124
Send us your comments! .........126
Problem determination tips.........127
Notices ...............127
Trademarks..............128
© Copyright IBM Corp. 2001 iii
iv Hardware Maintenance Manual
Chapter 1. About this manual
This manual contains service and reference information for IBM®computer Type
6029.
This manual is divided into product service sections and a related service section,
as follows:
v The product service sections include procedures for isolating problems to a FRU,
a Symptom-to-FRU Index, additional service information and an illustrated parts
catalog.
v The related service section includes safety notices and safety information, and
problem determination tips.
Note:
This manual is intended for trained servicers who are familiar with IBM Personal
Computer products. Use this manual along with advanced diagnostic tests to troubleshoot
problems effectively.
Before servicing an IBM product, be sure to review the “Safety information” on page 93.
Important Safety Information
Be sure to read all caution and danger statements in this book before performing
any of the instructions.
Prenez connaissance de toutes les consignes de type Attention et Danger avant de
procéder aux opérations décrites par les instructions.
Lesen Sie alle Sicherheitshinweise, bevor Sie eine Anweisung ausführen.
Accertarsi di leggere tutti gli avvisi di attenzione e di pericolo prima di effettuare
qualsiasi operazione.
© Copyright IBM Corp. 2001 1
Leia todas as instruções de cuidado e perigo antes de executar qualquer operação.
Lea atentamente todas las declaraciones de precaución y peligro ante de llevar a
cabo cualquier operación.
2 Hardware Maintenance Manual
Chapter 2. General Checkout
This general checkout procedure is for Type 6029 computers.
Attention:
The drives in the computer you are servicing might have been rearranged or the drive
startup sequence changed. Be extremely careful during write operations such as copying,
saving or formatting. Data or programs can be overwritten if you select an incorrect drive.
Diagnostic error messages appear when a test program finds a problem with a
hardware option. For the test programs to properly determine if a test Passed, Failed
or Aborted, the test programs check the error-return code at test completion. See
“Diagnostics” on page 14.
General error messages appear if a problem or conflict is found by an application
program, the operating system, or both. For an explanation of these messages, refer
to the information supplied with that software package.
Notes:
v Type 6029 computers default to come up quiet (no beep and no memory count and
checkpoint code display) when no errors are detected by POST.
v To enable beep and memory count and checkpoint code display when a successful POST
occurs, do the following:
1. Select Start Options in the Configuration/Setup Utility program (see “Setup Utility
program” on page 12).
2. Set Power-On Self-Test to Enhanced.
v Before replacing any FRUs, ensure that the latest level of BIOS is installed on the system.
A down-level BIOS might cause false errors and unnecessary replacement of the system
board. For more information on how to determine and obtain the latest level BIOS, see
“BIOS levels” on page 89.
v If multiple error codes are displayed, diagnose the first error code displayed.
v If the computer hangs with a POST error, go to ″Symptom-to-FRU Index″ on page 39.
v If the computer hangs and no error is displayed, go to “Undetermined problems” on
page 79.
v If an installed device is not recognized by the diagnostics program, that device might be
defective.
001
1. Power-off the computer and all external devices.
2. Check all cables and power cords.
3. Make sure the system board is seated properly.
4. Set all display controls to the middle position.
5. Power-on all external devices.
6. Power-on the computer.
7. Check for the following response:
v Readable instructions or the Main Menu.
DID YOU RECEIVE THE CORRECT RESPONSE?
© Copyright IBM Corp. 2001 3
If NO, continue to 002.
If YES, proceed to 003.
002
If the Power Management feature is enabled, do the following:
1. Start the Configuration/Setup Utility program (see “Setup Utility program” on
page 12)
2. Select Power Management from the Configuration/Setup Utility program
menu.
3. Select APM.
4. Be sure APM BIOS Mode is set to Disabled. If it is not, press Left Arrow (})or
Right Arrow (Æ) to change the setting.
5. Select Automatic Hardware Power Management.
6. Set Automatic Hardware Power Management to Disabled.
7. If the problem persists, continue to 003.
003
Run the Diagnostic programs. If necessary, refer to “Diagnostics” on page 14.
v If you receive an error, replace the part that the diagnostic program calls out or
go to ″Symptom-to-FRU Index″ on page 39.
v If the test stops and you cannot continue, replace the last device tested.
4 Hardware Maintenance Manual
Chapter 3. General information
This IBM®computer incorporates many of the latest advances in computer
technology and can be upgraded as your needs change.
Adding hardware options to your computer is an easy way to increase its
capabilities. Instructions for installing external and internal options are included in
this publication. When adding an option, use these instructions along with the
instructions that come with the option.
Go to Access IBM for general information about the use, operation, and
maintenance of your computer. Access IBM also contains information to help solve
problems and get repair service or other technical assistance.
Features
This section provides an overview of the computer features, preinstalled software,
and specifications.
Microprocessor
®
Celeron™processor with 128 KB of internal L2 cache memory and MMX
Intel
technology or Intel Celeron processor with 256 KB of internal L2 cache memory
and MMX technology
™
Memory
v Support for two dual in-line memory modules (DIMMs)
v 512 KB flash memory for system programs
Internal drives
v 3.5-inch, 1.44 MB diskette drive
v Internal hard disk drive
v CD-ROM, DVD-ROM, or CD-RW drive.
Video subsystem
Dynamic video memory technology
Audio subsystem
16-bit integrated Sound Blaster Pro compatible audio subsystem
Connectivity
v 10/100 Mbps integrated Intel ethernet controller that supports the Wake on
LAN
®
feature
v 56k V.90 data/fax PCI modem (some models)
System management features (varies by model)
v Remote Program Load (RPL) and Dynamic Host Configuration Protocol (DHCP)
v Wake on LAN
v Wake on Ring (in the IBM Setup Utility program, this feature is called Serial Port
Ring Detect for an external modem and Modem Ring Detect for an internal
modem)
© Copyright IBM Corp. 2001 5
v Remote Administration
v Automatic power-on startup
v System Management (SM) BIOS and SM software
v Ability to store POST hardware test results
Input/output features
v 25-pin, Extended Capabilities Port (ECP)/Extended Parallel Port (EPP)
v Two 9-pin serial connectors
v Four 4-pin, USB connectors
®
v PS/2
mouse connector
v PS/2 keyboard connector
v Ethernet connector
v Monitor connector
v Three audio connectors (line in, line out, and microphone)
Expansion
v Four drive bays
v Three 32-bit peripheral component interconnect (PCI) adapter slots
Power
v 145 W power supply with manual voltage selection switch
v Automatic 50/60 Hz input frequency switching
v Advanced Power Management support
v Advanced Configuration and Power Interface (ACPI) support
Security features (varies by model)
v User and administrator passwords
v Support for the addition of a Rope Clip and lockable cable
v Startup sequence control
v Startup without diskette drive, keyboard, or mouse
v Unattended start mode
v Diskette and hard disk I/O control
v Serial and parallel port I/O control
v Security profile by device
IBM preinstalled software
The computer might come with preinstalled software. If it does, an operating
system, device drivers to support built-in features, and other support programs are
included.
Operating systems (supported)
®
v Microsoft
v Microsoft
Windows XP Pro
®
Windows XP Home
v Microsoft Windows 2000
v Microsoft Windows 98 Second Edition
6 Hardware Maintenance Manual
Operating systems (tested for compatibility)
v Microsoft Windows NT®Workstation Version 4.0
v Microsoft Windows Millennium Edition (Me)
v Microsoft Windows 98
Physical specifications
This section lists the physical specifications of the computer.
1
1. The operating systems listed here are being tested for compatibility at the time this publication goes to press. Additional
operating systems might be identified by IBM as compatible with your computer following the publication of this booklet.
Corrections and additions to this list are subject to change. To determine if an operating system has been tested for compatibility,
check the Web site of the operating system vendor.
Chapter 3. General information
7
Dimensions
Height: 393 mm (15.5 in.)
Width: 179 mm (7 in.)
Depth: 393 mm (15.5 in.)
Weight
Minimum configuration as shipped: 9.1 kg (20 lb)
Maximum configuration: 10.2 kg (22.5 lb)
Environment
Air temperature:
System on: 10° to 35°C(50° to 95° F)
System off: 10° to 43°C(50° to 110° F)
Maximum altitude: 2134 m (7000 ft)
Note: The maximum altitude, 2134 m (7000 ft), is
the maximum altitude at which the specified air
temperatures apply. At higher altitudes, the
maximum air temperatures are lower than those
specified.
Humidity:
System on: 8% to 80%
System off: 8% to 80%
Electrical input
Input voltage:
Low range:
Minimum: 90 V ac
Maximum: 137 V ac
Input frequency range: 57–63 Hz
Voltage switch setting: 115 V ac
High range:
Minimum: 180 V ac
Maximum: 265 V ac
Input frequency range: 47–53 Hz
Voltage switch setting: 230 V ac
Input kilovolt-amperes (kVA) (approximate):
Minimum configuration as shipped: 0.08 kVA
Maximum configuration: 0.3 kVA
Heat output (approximate) in British thermal units (BTU)
per hour:
Minimum configuration: 188 BTU/hr (55 watts)
Maximum configuration: 256 BTU/hr (75 watts)
Airflow
Approximately 0.79 cubic meters every 3 minutes (28
cubic feet every 3 minutes) maximum
Acoustical noise-emission values
Average sound-pressure levels:
At operator position:
Idle: 38 dBA
Operating: 43 dBA
At bystander position - 1 meter (3.3 ft):
Idle: 33 dBA
Operating: 37 dBA
Declared (upper limit) sound-power levels:
Idle: 4.8 bels
Operating: 5.1 bels
Note: These levels were measured in controlled
acoustical environments according to the procedures
specified by the American National Standards
Institute (ANSI) S12.10 and ISO 7779 and are reported
in accordance with ISO 9296. Actual sound-pressure
levels in a given location might exceed the average
values stated because of room reflections and other
nearby noise sources. The declared sound-power
levels indicate an upper limit, below which a large
number of computers will operate.
Note: The computer is classified as a Class A or Class
B digital device. See the Quick Reference for further
information about this classification.
Note: Power consumption and heat output vary
depending on the number and type of optional
features installed and the power-management
optional features in use.
8 Hardware Maintenance Manual
Available options
The following are some available options:
v External options
v Internal options
For the latest information about available options, see the following World Wide
Web pages:
v http://www.ibm.com/pc/us/options/
v http://www.ibm.com/pc/support/
– Parallel port devices, such as printers and external drives
– Serial port devices, such as external modems and digital cameras
– Audio devices, such as external speakers for the sound system
– USB devices, such as printers, joysticks, and scanners
– Security device, such as a rope clip
– Monitors
– System memory, called dual inline memory modules (DIMMs)
– Peripheral component interconnect (PCI) adapters
– Internal drives, such as:
- CD drive or DVD drive
- CD drive and DVD drive
- Hard disk
- Diskette drives and other removable media drives
You can also obtain information by calling the following telephone numbers:
v Within the United States, call 1-800-IBM-2YOU (1-800-426-2968), your IBM
reseller, or IBM marketing representative.
v Within Canada, call 1-800-565-3344 or 1-800-IBM-4YOU.
v Outside the United States and Canada, contact your IBM reseller or IBM
marketing representative.
Chapter 3. General information 9
10 Hardware Maintenance Manual
Chapter 4. Diagnostics
The following tools are available to help identify and resolve hardware-related
problems.
v Setup Utility program
v Power-On Self-Test (POST)
– POST Beep Codes
– Error Code Format
v Diagnostics program
v Recovery utility
– Full recovery
– Partial recovery
v Repair utility
© Copyright IBM Corp. 2001 11
Setup Utility program
Attention:
A customized setup configuration (other than default settings) might exist on the computer
you are servicing. Running the Setup Utility program might alter those settings. Note the
current configuration settings and verify that the settings are in place when service is
complete.
The Setup Utility (configuration) program is stored in the permanent memory of
the computer. This program includes settings for the following:
v System Summary
v Product Data
v Devices and I/O Ports
v Start Options
v Date and Time
v System Security
v Advanced Setup
v Power Management
To run the Setup Utility program, use the following procedure.
1. Power-off the computer and wait for a few seconds until all in-use lights go off.
2. Power-on the computer.
3. When the Setup Utility prompt appears on the screen during start-up, press F1.
The Setup Utility menu will appear.
4. Follow the instructions on the screen.
5. When finished, select System Summary to verify that any configuration
changes have been accepted.
12 Hardware Maintenance Manual
Product Recovery Program menu
Type 6029 machines have recovery and diagnostics programs on a separate hard
drive partition. The Enhanced Diagnostics diskette is not shipped with the
machine. To download the Diagnostics program, see “Diagnostics program
download” on page 14.
At startup, the machine displays the following prompt:
To start the Product Recovery Program, press F11
Attention: Make sure all data is backed up to avoid loss when the Product
Recovery program is used.
After depressing F11, you are given the following options.
v Full recovery
This utility reformats the hard drive and restores all original files.
v System utilities
1. Repair (Windows NT 4.0 and 2000 Only)
This runs the Windows NT 4.0 emergency repair utility.
2. Run Diagnostics
Runs the IBM Enhanced Diagnostic Program.
3. Create a Diagnostics Diskette
Creates a bootable diagnostic diskette.
4. System Information
Displays information about your computer configuration and allows the user
to gather system information that would be needed during a Help Center
call.
5. Create Recovery/Repair Diskette (Disk to Disk Solution Only)
Creates a startable diskette to restore access to the IBM Product Recovery
program on the hard disk.
6. Recovery CD
In the event of a Hard Disk Drive failure, a Recovery CD can be used to
restore the Hard Disk Drive to the original factory preset. Be sure to use the
Recovery CD FRU list to obtain the proper recovery CD for the computer
model you are servicing.
Chapter 4. Diagnostics 13
Diagnostics
Diagnostics program download
Navigating through the diagnostics programs
The Diagnostics program uses a full range of diagnostic utilities to determine the
operating condition of the computer’s hardware components.
For a complete list of error codes and messages, see ″Symptom-to-FRU Index″ on
page 39.
To download the Diagnostics program, do the following:
v Go to http://www.ibm.com/.
v Select Support.
v Select Personal computing from the ″Get product support for″ pull-down menu.
v Search for the machine type in the ″Quick Path″ box on the left.
v Select Downloadable files from the options on the left.
v Select Diagnostics from the pull down menu.
Use the cursor movement keys to navigate within the menus.
v The Enter key is used to select a menu item.
v The Esc key is used to back up to the previous menu.
v For online help select F1.
Running diagnostics tests
There are four ways to run the diagnostic tests.
1. Using the cursor movement keys, highlight Run Normal Test or Run Quick
Test from the Diagnostics menu and then press Enter.
This will automatically run a pre-defined group of tests from each test category.
Run Normal Test runs a more extensive set of tests than does Run Quick Test
and takes longer to execute.
2. Press F5 to automatically run all selected tests in all categories. See ″Test
Selection″.
3. From within a test category, press Ctrl-Enter to automatically run only the
selected tests in that category. See ″Test Selection″.
4. Using the cursor movement keys, highlight a single test within a test category,
then press Enter. This will run only that test.
Press Esc at any time to stop the testing process.
Test results, (N/A, PASSED, FAILED, ABORTED), are displayed in the field beside
the test description and in the test log. See “Viewing the test log” on page 17.
Test selection
To select one or more tests, use the following procedure.
1. Open the corresponding test category.
2. Using the cursor movement keys, highlight the desired test.
3. Press the space bar.
A selected test is marked by >>. Pressing the space bar again de-selects a test
and removes the chevron.
14 Hardware Maintenance Manual
4. Repeat steps 2 and 3 above to select all desired tests.
Test results
Diagnostics test results will produce the following error code format:
Function
Code
v Function Code:
Represents the feature or function within the PC.
v Failure Type:
Represents the type of error encountered.
v DeviceID:
Contains the component’s unit-ID which corresponds to either a fixed disk
drive, removable media drive, serial or parallel port, processor, specific RIMM,
or a device on the PCI bus.
v Date:
Contains the date on which the diagnostic test was run. The date is retrieved
from CMOS and displayed using the YYYYMMDD format.
v ChkDigits:
Contains a 2-digit check-digit value to ensure the following:
– Diagnostics were run on the specified date.
– Diagnostics were run on the specified IBM computer.
– The diagnostic error code is recorded correctly.
v Text:
Description of the error.
Failure Type DeviceID Date ChkDigits Text
Note: See “Diagnostic error codes” on page 41 for error code listings.
Hard file Smart test
Use the Hard File Smart Test when the system management tool has detected a
hard file SMART alert.
The Smart test does the following:
v Interrogates IDE devices for support of the SMART instruction set.
v Issues a ENABLE SMART command to make sure SMART functionality is
active.
v Checks the SMART RETURN STATUS command to determine if any thresholds
have been exceeded.
If thresholds have been exceeded, an error message is shown, and the test fails. If
no SMART is supported by the drive, the test returns with ″N/A″.
Quick and Full erase - hard drive
The Diagnostics program offers two hard drive format utilities:
v Quick Erase Hard Drive
v Full Erase Hard Drive
The Quick Erase Hard Drive provides a DOS utility that performs the following
steps.
Chapter 4. Diagnostics 15
v Destroys the Master Boot Record (MBR) on the hard drive.
v Destroys all copies of the FAT Table on all partitions (both the master and
backup).
v Destroys the partition table.
v Provides messages that warn the user that this is a non-recoverable process.
16 Hardware Maintenance Manual
The Full Erase Hard Drive provides a DOS utility that performs the following
steps.
v Performs all the steps in Quick Erase.
v Provides a DOS utility that writes random data to all sectors of the hard drive.
v Provide an estimate of time to completion along with a visual representation of
completion status.
v Provides messages that warn the user about non-recoverable process.
Important: Make sure that all data is backed up before using the Quick or Full Erase
functions.
To select the Quick Erase or Full Erase Hard Drive utility, use the following
procedure.
1. Select the UTILITY option on the toolbar and press Enter.
2. Select either the QUICK ERASE or FULL ERASE HARD DISK option and
follow the instructions.
Viewing the test log
Errors reported by the diagnostic test will be displayed by the program as a failed
test.
To view details of a failure or to view a list of test results, use the following
procedure from any test category screen.
v Press F3 to activate the log file.
v Press F3 again to save the file to diskette or F2 to print the file.
Chapter 4. Diagnostics 17
18 Hardware Maintenance Manual
Chapter 5. Installing Options
Installing external options
This chapter shows the various external connectors on the computer to which can
be attached external options, such as external speakers, a printer, or a scanner. For
some external options, additional software must be installed in addition to making
the physical connection. When adding an external option, use the information in
this chapter to identify the required connector, and then use the instructions that
come with the option to help make the connection and install any software or
device drivers that are required for the option.
Important: Before you install or remove any option, read “Safety information” on
page 93. These precautions and guidelines will help you work safely.
© Copyright IBM Corp. 2001 19
Locating connectors on the front of the computer
The following illustration shows the locations of the USB connectors on the front of
the computer.
1and 2USB connectors
20 Hardware Maintenance Manual
Locating connectors on the rear of the computer
The following illustration shows the locations of the connectors on the back of the
computer.
1 Power connector 8 Ethernet connector
2 Mouse connector 9 Audio line out connector
3 Keyboard connector 10 Audio line in connector
4 Serial connector 11 Microphone connector
5 Parallel connector 12 Serial connector
6 Monitor connector 13 PCI slots
7 USB connectors
Note: Some connectors on the rear of the computer are color-coded to help
determine where to connect the cables on the computer.
Chapter 5. Installing Options 21
Connector Description
Mouse connector Used to attach a mouse, trackball, or other pointing device that
uses a standard mouse connector.
Keyboard connector Used to attach a keyboard that uses a standard keyboard
connector.
Serial connectors Used to attach an external modem, serial printer, or other
devices that use a 9-pin serial connector.
Parallel connector Used to attach a parallel printer, parallel scanner, or other
devices that use a 25-pin parallel connector.
USB connectors Used to attach a device that requires a Universal Serial Bus
(USB) connection, such as a USB scanner or USB printer. If
there are more than four USB devices, you can purchase a USB
hub, which can be used to connect additional USB devices.
Ethernet connector Used to attach an Ethernet cable for a local area network
(LAN).
Note: To operate the computer within FCC Class B limits, use
a Category 5 Ethernet cable.
Audio line out connector Used to send audio signals from the computer to external
Audio line in connector Used to receive audio signals from an external audio device,
Microphone connector Used to attach a microphone to the computer when recording
Obtaining device drivers
Device drivers can be obtained for operating systems that are not preinstalled at
http://www.ibm.com/pc/support/ on the World Wide Web. Installation
instructions are provided in README files with the device driver files.
Installing internal options
devices, such as powered stereo speakers (speakers with
built-in amplifiers), headphones, multimedia keyboards, or the
audio line in connector on a stereo system or other external
recording device.
such as a stereo system. When an external audio device is
attached, a cable is connected between the audio line out
connector of the device and the audio line in connector of the
computer.
voice or other sounds on the hard disk if speech-recognition
software is used.
The capabilities of the computer can be expanded by adding memory, drives, or
adapters. When installing an option, use these instructions along with the
instructions that come with the option.
22 Hardware Maintenance Manual
Removing the cover
Important:
See “Safety information” on page 93and “Handling electrostatic discharge-sensitive
devices” on page 96 before you begin.
To remove the cover:
1. Shut down the operating system, remove any media (diskettes, CDs, or tapes)
from the drives, and turn off all attached devices and the computer.
2. Unplug all power cords from electrical outlets.
3. Disconnect all cables attached to the computer. This includes power cords,
input/output (I/O) cables, and any other cables that are connected to the
computer.
4. Remove the two screws at the rear of the left side cover and slide the cover to
the rear to remove.
Chapter 5. Installing Options 23
Locating components
The following illustration will help you locate the various components in the
computer.
1Microprocessor and heat sink 4PCI adapter
2DIMMs 5Power supply
3PCI slots
Identifying parts on the system board
The system board is the main circuit board in the computer. It provides basic
computer functions and supports a variety of devices that are IBM-installed or that
can be installed later.
24 Hardware Maintenance Manual
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