IBM 8171, 8424, 8428, 8425, 8173 User Manual

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ThinkCentre

 

Hardware Removal and Replacement

Guide

Types 8424, 8425, 8428

Types 8171, 8172, 8173

ThinkCentre

 

Hardware Removal and Replacement

Guide

Types 8424, 8425, 8428

Types 8171, 8172, 8173

Second Edition (June 2004)

© Copyright International Business Machines Corporation 2004. All rights reserved.

US Government Users Restricted Rights – Use, duplication or disclosure restricted by GSA ADP Schedule Contract with IBM Corp.

Contents

Overview . . . . . . . . . . . . . . v

Safety information . . . . .

. . . . . .

.

v

Additional information resources

. . . . . .

.

v

Tools required . . . . . . .

. . . . . .

.

v

Handling static-sensitive devices

. . . . . .

.

v

Replacing customer replaceable units (CRUs) . . . . . . . . . . . . . . . 1

Opening the cover . . . . . . . . . . . . 1

Locating components . . . . . . . . . .

.

2

Identifying parts on the system board . . . . .

.

3

Removing and replacing the power supply . . .

. 3

Removing and replacing the system board assembly

 

7

Removing and replacing the microprocessor . .

. 10

Removing and replacing memory modules . . . . 15 Removing and replacing a hard disk drive . . . . 18

Completing the installation . . . . . .

.

.

.

19

Updating (flashing) BIOS from a diskette .

.

.

.

21

© Copyright IBM Corp. 2004

iii

iv Hardware Removal and Replacement Guide

Overview

This guide contains instructions for replacing the following customer replacement units (CRUs):

vPower supply

vSystem board

vMicroprocessor

vHard disk drive

vMemory modules

Safety information

Do not open your computer or attempt any repair before reading the “Important safety information” in the Quick Reference that was included with your computer. If you no longer have this copy of the Quick Reference, you can obtain one online from the IBM Web site at http://www.ibm.com/pc/support.

Additional information resources

If you have Internet access, the most up-to-date manuals for your computer are available from the World Wide Web. To access this information, point your browser to: http://www.ibm.com/pc/support

Type your machine type and model number in the Quick path field, and click Go.

Tools required

To replace some CRUs in your computer, you might need a flat-blade or Phillips screwdriver. Additional tools might be needed for certain CRUs.

Handling static-sensitive devices

Static electricity, although harmless to you, can seriously damage computer components and CRUs.

When you are replacing a CRU, do not open the static-protective package containing the new CRU until the defective CRU has been removed from the computer and you are ready to install the new CRU.

When you handle CRUs and other computer components, take these precautions to avoid static-electricity damage:

vLimit your movement. Movement can cause static-electricity to build up around you.

vAlways handle CRUs and other computer components carefully. Handle adapters, memory modules, system boards, and microprocessors by the edges. Never touch any exposed circuitry.

vPrevent others from touching the CRUs and other computer components.

© Copyright IBM Corp. 2004

v

vBefore you replace a new CRU, touch the static-protective package containing the CRU to a metal expansion-slot cover or other unpainted metal surface on the computer for at least two seconds. This reduces static electricity in the package and your body.

vWhen possible, remove the new CRU from the static-protective packaging, and install it directly in the computer without setting the CRU down. When this is not possible, place the static-protective package that the CRU came in on a smooth, level surface and place the CRU on it.

vDo not place the CRU on the computer cover or other metal surface.

vi Hardware Removal and Replacement Guide

IBM 8171, 8424, 8428, 8425, 8173 User Manual

Replacing customer replaceable units (CRUs)

Attention

Do not open your computer or attempt any repair before reading the “Safety notices” in the Quick Reference that was included with your computer. If you no longer have this copy of the Quick Reference, you can obtain one online from the IBM Web site at http://www.ibm.com/pc/support.

Opening the cover

Important

Turn off the computer and wait 3 to 5 minutes to let the computer cool before opening the cover.

To open the cover:

1.Remove any media (diskettes, CDs, or tapes) from the drives, shut down your operating system, and turn off all attached devices.

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 floor stand, if attached.

5.If a cover lock is installed, unlock the cover.

6.Press inward on the two buttons and pivot the top cover upward as illustrated.

© Copyright IBM Corp. 2004

1

Locating components

The following illustration will help you locate the various components in your computer.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

 

 

Diskette drive lock

5

Power supply assembly

2

 

 

Memory modules

 

 

 

 

6 CD or DVD drive (hard disk drive is

 

 

 

 

 

 

 

 

 

 

 

 

 

 

under the CD drive)

3

 

 

Battery

7

CD or DVD drive lock

4

 

 

PCI riser

 

 

 

 

 

 

 

2 Hardware Removal and Replacement Guide

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