Contents

Overview

. v

Removing and replacing the front bezel . . . .

. 8

Safety information for replacing CRUs

. v

Replacing the power supply

.

8

Safety information for replacing FRUs

. v

Replacing the system board assembly

. 12

Additional information resources

. v

Replacing the microprocessor

.

19

Tools required

. vi

Replacing a memory module

.

25

Handling static-sensitive devices

. vi

Replacing an adapter

.

26

 

 

 

Replacing the hard disk drive

.

27

Chapter 1. Locations

.

1

Replacing an optical drive

.

28

Locating components

.

1

Replacing the diskette drive

.

30

Replacing the keyboard

.

30

Locating controls and connectors on the front of the

 

 

 

 

Replacing the mouse

.

31

computer

.

2

Replacing the internal speaker

.

31

Locating connectors on the rear of the computer .

. 3

Completing the installation

.

33

Identifying parts on the system board

.

4

Updating (flashing) BIOS from a diskette or

 

 

 

 

 

 

 

Chapter 2. Replacing hardware . . . .

.

5

CD-ROM

.

34

 

 

 

Removing the computer cover

. 5

 

 

 

Pivoting or removing the optional hard disk drive

 

 

 

 

 

mounting bracket

.

7

 

 

 

© Copyright IBM Corp. 2005

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IBM 8122, 8138, 8131, 8123, 8137, 8124 manual Contents