5–18 Maintenance and Service Guide
Removal and Replacement Procedures
5.7 Disk Cell RTC Battery
1. Prepare the computer for disassembly (Section 5.3).
2. Remove the mini PCI compartment cover (Section 5.6).
3. Remove the RTC battery from its socket on the system board
(Figure 5-14).
Figure 5-14. Removing the Disk Cell RTC Battery
✎
The computer uses a CR1220 lithium disk cell battery. When
replacing the RTC battery, insert the battery with the “+” sign
facing up.
Disk Cell RTC Battery
Spare Part Number Information
Disk cell RTC battery 279769-001
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