Cmos Battery Removal; Locating The Battery - NEC PowerMate Professional 9000E Series Service Manual

CMOS Battery Removal

Remove the 3-volt lithium battery from the system board as follows.
1. Turn off and unplug the system unit and any external options connected to
the system.
Removing the battery from the system board causes the
workstation to lose system configuration information. If
possible, run Setup and record the system configuration
settings before removing the battery. Use that information to
restore the system after replacing the battery.
2. Remove the left side cover as previously described.
3. Locate the battery and its socket on the system board (see the following
figure).
A – Battery
4. Label and disconnect any cables that block the battery socket.
5. Use your fingers to carefully remove the battery from the battery socket on
the system board (see the figure on the following page).
! CAUTION

Locating the Battery

Disassembly and Reassembly 3-27