Compaq 102 - Manual (Page 51)

RTC battery
Description Spare part number
RTC battery 537616-001
Before removing the real-time clock (RTC) battery, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the
computer on, and then shut it down through the operating system.
2. Disconnect all external devices connected to the computer.
3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet
and then unplugging the AC adapter from the computer.
4. Remove the battery (see Battery on page 36 ).
5. If your computer has WWAN capability, remove the SIM (see SIM on page 37 ).
6. Remove the Keyboard (see Keyboard on page 40 ).
Remove the RTC battery:
1. Disconnect the RTC battery cable (1) from the system board.
2. Detach the RTC battery (2) from the system board.
NOTE: The RTC battery is attached to the system board with double-sided tape.
Reverse this procedure to install the RTC battery.
Component replacement procedures 43