Removal and Replacement Procedures
Maintenance and Service Guide 5–47
5.15 System Board
✎
When replacing the system board, ensure that the following
components are removed from the defective system board and
installed on the replacement system board:
■ Memory modules (Section 5.6)
■ Mini Card communications module (Section 5.7)
■ RTC battery (Section 5.8)
■ Power connector cable (Section 5.15)
■ Heat sink (Section 5.18)
■ Processor (Section 5.19)
■ Fan/heat sink assembly (Section 5.18)
■ PC Card assembly (Section 5.20)
1. Prepare the computer for disassembly (Section 5.3),
and then remove the following components:
a. Hard drive (Section 5.4)
b. Memory/Mini Card module compartment cover
(Section 5.6)
c. Optical drive (Section 5.9)
d. Switch cover (Section 5.10)
e. Keyboard (Section 5.11)
f. Display assembly (Section 5.12)
g. Base enclosure (Section 5.13)
2. Turn the top cover right-side up with the front toward you.
System Board Spare Part Number Information
945GM system board 407759-001
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