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RTC battery
Description Spare part number
RTC battery (includes mounting adhesive) 637193-001
Before removing the RTC battery, remove the following components:
1. Battery (see
Battery on page 48)
2. Service door (see
Service door on page 49)
3. Hard drive (see
Hard drive on page 50)
4. Optical drive (see
Optical drive on page 52)
5. WLAN module (see
WLAN module on page 54)
6. Memory module (see
Memory module on page 56)
7. Keyboard (see
Keyboard on page 57)
8. Top cover (see
Top cover on page 60)
9. TouchPad LED board (see
TouchPad LED board on page 67)
10. USB board (see
USB board on page 69)
11. Power connector (see
Power connector on page 70)
12. Display assembly (see
USB board on page 69)
13. System board (see
System board on page 78)
Remove the RTC battery:
1. Position the system board face up, with the front toward you.
2. Disconnect the RTC battery connector from the system board (1).
82 Chapter 4 Removal and replacement procedures