Cmos Battery Removal; Removing The Battery - NEC POWERMATE 2000 Service And Reference Manual

CMOS Battery Removal

Remove the 3-volt lithium battery from the system board as follows.
Remove the bottom cover from the system unit (see "Bottom Cover Removal" earlier in this
1.
section).
Remove the CD-ROM drive (see "CD-ROM Drive Removal" earlier in this section).
2.
Carefully lift the plastic shield for access to the battery (see the following figure for shield
3.
location).
Insert a small flat blade screwdriver at the pry point (B in the following figure) and
4.
carefully pry up on the battery until it pops out of the socket.
discarded. Use only the same type battery or an equivalent type recommended by the
manufacturer when replacing the battery.
Lithium acts as a catalyst when exposed to water and causes spontaneous combustion on
contact. Discard used batteries according to the manufacturer's instructions.
Remove the battery and discard it in accordance with the manufacturer's instructions.
5.
With the positive (+) side facing up, press the new battery into the socket.
6.
After reassembling the system unit, run Setup to reconfigure system parameters according
7.
to the settings previously recorded (see Section 2, "System Configuration").

Removing the Battery

A – Plastic Shield
B – Pry Point
The battery can explode if it is incorrectly replaced or improperly
C – Battery
Disassembly and Reassembly 3-19