5–42 Maintenance and Service Guide
Removal and Replacement Procedures
5.14 RTC Battery
✎
The RTC battery is spared with the system board spare part
kits. If the battery needs to be replaced, use an “ML1220”
model battery.
1. Prepare the computer for disassembly (Section 5.3)
and remove the following components:
a. Hard drive (Section 5.4)
b. Optical drive (Section 5.6)
c. Memory module compartment cover (Section 5.7)
d. Mini PCI compartment cover (Section 5.8)
e. Keyboard cover (Section 5.9)
f. LED board (Section 5.10)
g. Keyboard (Section 5.11)
h. Display assembly (Section 5.12)
i. Base enclosure (Section 5.13)
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