Specifications

Battery
This section describes how to remove and install the battery.
The battery that comes with the computer provides power to the real-time clock and has a minimum
lifetime of about three years.
WARNING! This computer includes a lithium battery. There is a risk of fire and chemical burn if the
battery is handled improperly. Do not disassemble, crush, puncture, short external contacts, dispose of
in water or fire, or expose battery to temperatures higher than 60°C (140°F).
CAUTION: Before removing the battery, back up the CMOS settings in case they are lost when the
battery is removed. To back up the CMOS settings, select the Save to Diskette option in the Computer
Setup (F10) Utility.
NOTE: Do not dispose of batteries, battery packs, and accumulators with general household waste.
Removing the battery
To remove the battery:
1. Disconnect power from the computer (see
Predisassembly procedures on page 70).
2. Remove the side access panel (see
Removing the side access panel on page 73).
3. On the system board, press the release tab of the battery holder.
4. Pull the tab (1) on the battery holder, and then lift it straight up (2) as shown in the following figure.
Figure 5-33 Removing the battery
Installing the battery
To install the battery:
1. Confirm the polarity (positive or negative) of the battery to position it correctly in the battery holder.
2. Place the battery edge under the plastic housing tab and press gently until it snaps into place.
ENWW Removing and installing components 103