IBM THINKCENTRE 8123 - Manual (Page 5)

Contents
Overview . . . . . . . . . . . . . . v
Safety information for replacing CRUs . . . . . . v
Safety information for replacing FRUs . . . . . . v
Additional information resources . . . . . . . v
Tools required . . . . . . . . . . . . . vi
Handling static-sensitive devices . . . . . . . vi
Chapter 1. Locations . . . . . . . . . 1
Locating components . . . . . . . . . . . 1
Locating controls and connectors on the front of the
computer . . . . . . . . . . . . . . . 2
Locating connectors on the rear of the computer . . 3
Identifying parts on the system board . . . . . . 4
Chapter 2. Replacing hardware . . . . . 5
Removing the computer cover . . . . . . . . 5
Pivoting or removing the optional hard disk drive
mounting bracket . . . . . . . . . . . . . 7
Removing and replacing the front bezel . . . . . 8
Replacing the power supply . . . . . . . . . 8
Replacing the system board assembly . . . . . . 12
Replacing the microprocessor . . . . . . . . 19
Replacing a memory module . . . . . . . . 25
Replacing an adapter . . . . . . . . . . . 26
Replacing the hard disk drive . . . . . . . . 27
Replacing an optical drive . . . . . . . . . 28
Replacing the diskette drive . . . . . . . . . 30
Replacing the keyboard . . . . . . . . . . 30
Replacing the mouse . . . . . . . . . . . 31
Replacing the internal speaker . . . . . . . . 31
Completing the installation . . . . . . . . . 33
Updating (flashing) BIOS from a diskette or
CD-ROM . . . . . . . . . . . . . . . 34
© Copyright IBM Corp. 2005 iii