IBM 8123 Computer Hardware User Manual


 
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