5–48 Maintenance and Service Guide
Removal and Replacement Procedures
5.17 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 module (Section 5.7)
■ RTC battery (Section 5.8)
■ Power connector and cable (Section 5.17)
■ Fan/heat sink assembly(Section 5.19)
■ Processor (Section 5.20)
■ PC Card assembly (Section 5.22)
■ ExpressCard assembly (Section 5.22)
1. Prepare the computer for disassembly (Section 5.3),
and then remove the following components:
a. Hard drive (Section 5.4)
b. Optical drive (Section 5.9)
c. Switch cover (Section 5.10)
d. Keyboard assembly (Section 5.11)
e. Display assembly (Section 5.14)
f. Top cover (Section 5.15)
g. Bluetooth board (Section 5.16)
System Board Spare Part Number Information
945PM NV72 system board 407758-001
