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5–54 Maintenance and Service Guide
Removal and Replacement Procedures
5.22 System Board
✎
When replacing the system board, ensure that the following
components are removed from the old system board and installed
on the new system board:
■
Memory expansion boards (Section 5.5)
■
Mini PCI communications board (Section 5.6)
■
Disk cell RTC battery (Section 5.7)
■
Processor (Section 5.12)
■
Modem cable (Section 5.23)
1. Prepare the computer for disassembly (Section 5.3) and
remove the following components:
a. LED cover (Section 5.9)
b. Keyboard (Section 5.10)
c. Heat spreader (Section 5.11)
d. Display (Section 5.13)
e. Palm rest (Section 5.14)
f. Charger board and shield (Section 5.18)
g. Speaker assembly (Section 5.19)
h. Top cover and TouchPad cable (Section 5.20)
i. Fan (Section 5.21)
System Board
Spare Part Number Information
System board (does not contain memory) 291588-001
272638-001.book Page 54 Thursday, July 25, 2002 4:21 PM