Remove the RTC battery:
1.
Turn the system board upside down with the front toward you.
2.
Disconnect the RTC battery cable (1) from the system board.
3.
Detach the RTC battery (2) from the system board. (The RTC battery is attached to the base
enclosure by double-sided tape.)
4.
Remove the RTC battery.
Reverse this procedure to install the RTC battery.
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Chapter 6 Removal and replacement procedures for Authorized Service Provider parts