Lenovo THINKCENTRE 8804 - Manual (Page 5)

Contents
Overview . . . . . . . . . . . . . . v
Safety information for customers . . . . . . . v
Safety information for service personnel . . . . . v
Additional information resources . . . . . . . vi
Tools required . . . . . . . . . . . . . vi
Handling static-sensitive devices . . . . . . . vi
Chapter 1. Locations . . . . . . . . . 1
Locating components . . . . . . . . . . . 1
Locating controls and connectors on the front of your
computer . . . . . . . . . . . . . . . 2
Locating connectors on the rear of your computer . . 3
Identifying parts on the system board . . . . . . 4
Chapter 2. Replacing hardware . . . . . 5
Opening the cover . . . . . . . . . . . . 5
Replacing the power supply assembly . . . . . . 6
Replacing the system board . . . . . . . . . 8
Replacing the microprocessor . . . . . . . . 14
Replacing a hard disk drive . . . . . . . . . 19
Replacing an optical drive . . . . . . . . . 22
Replacing the diskette drive . . . . . . . . . 24
Replacing a memory module . . . . . . . . 25
Replacing a PCI adapter . . . . . . . . . . 27
Replacing the fan assembly . . . . . . . . . 29
Replacing the internal speaker . . . . . . . . 31
Replacing the keyboard . . . . . . . . . . 33
Replacing the mouse . . . . . . . . . . . 33
Completing the parts replacement . . . . . . . 34
Updating (flashing) BIOS from a diskette or
CD-ROM . . . . . . . . . . . . . . . 35
Appendix. Notices . . . . . . . . . . 37
Television output notice . . . . . . . . . . 38
Trademarks . . . . . . . . . . . . . . 38
© Lenovo 2006. Portions © IBM Corp. 2005. iii