Lenovo THINKCENTRE 8804 - Manual (Page 7)

Overview
This guide is intended to be used by customers who are replacing Customer
Replaceable Units (CRUs) as well as trained service personnel who are replacing
Field Replacement Units (FRUs). In this guide, CRUs and FRUs will often be
referred to as parts.
Note: Trained service personnel should refer to the Hardware Maintenance Manual
(HMM) for parts ordering information.
This guide does not include procedures for all parts. It is expected that cables,
switches, and certain mechanical parts can be replaced by trained service personnel
without the need for step-by-step procedures.
Note: Use only the parts provided by Lenovo ™ .
This guide contains instructions for replacing the following parts:
v Power supply
v System board
v Microprocessor
v Hard disk drive
v Optical drive
v Diskette drive
v Memory modules
v PCI adapter
v Fan assembly
v Internal speaker
v Keyboard
v Mouse
Safety information for customers
Do not open your computer or attempt any repair before reading the “Important
safety information” in the Safety and Warranty Guide that was included with your
computer. If you no longer have this copy of the Safety and Warranty Guide, you
can obtain one online from the Support Web site at http://www.lenovo.com/
support.
Safety information for service personnel
Do not attempt any repair before reading the “Important safety information” in the
Hardware Maintenance Manual (HMM) for the computer. You can find the HMM on
the Support Web site at http://www.lenovo.com/support.
© Lenovo 2006. Portions © IBM Corp. 2005. v