Cmos Battery Replacement - NEC DIRECTION SP B - SERVICE MANUAL 1998 Service Manual

4-12 Maintenance and Troubleshooting

CMOS Battery Replacement

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.
Remove the system access cover.
2.
Locate the battery and its socket on the system board (see Figure 4-2).
3.
Use fingers to carefully pull the battery up until it is clear to slide the battery out
4.
of the socket.
!
CAUTION: Removing the battery from
the system board causes the computer 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.
Figure 4-2 Locating the Battery