Real Time Clock Battery; Care And Use Of The Battery Pack; Safety Precautions - Toshiba Satellite C650D Series User Manual

To ensure that the battery pack maintains its maximum capacity, operate
the computer on battery power at least once a month until the battery pack
is fully discharged. Refer to
procedures. If the computer is continuously operated on AC power, more
than a month, the battery may fail to retain a charge. It may not function
efficiently over the expected life of the battery and the Battery LED may not
indicate a low-battery condition.

Real Time Clock Battery

The Real Time Clock (RTC) battery provides power for the internal real
time clock and calendar. It also maintains the system configuration.
If the RTC battery becomes completely discharged, the system loses this
data and the real time clock and calendar stop working. One of the
following messages appears when you turn on the power:
The computer's RTC battery is a lithium battery and should be replaced
only by your dealer or by a TOSHIBA service representative. The battery
can explode if not properly replaced, used, handled or disposed of.
Dispose of the battery as required by local ordinances or regulations

Care and Use of The Battery Pack

The battery pack is a vital component of portable computing. Taking proper
care of it will help ensure longer operating time on battery power as well as
a longer life for your battery pack. Follow the instructions in this section
carefully to ensure safe operation and maximum performance.

Safety Precautions

Mishandling of batteries can cause death, serious injury or property
damage. Carefully observe the following advisories:
Danger: Indicates an imminently hazardous situation, Which could result in
death or serious injury, if you do not follow instructions.
Warning: Indicates a potentially hazardous situation, Which could result in
death or serious injury, if you do not follow instructions.
Caution: Indicates a potentially hazardous situation, Which if not avoided,
may result in moderate or minor injury or property damage.
Note: Provides important information.
User's Manual
The firmware has detected that a CMOS
battery fail occurred.<F1> continue
The firmware has detected that a CMOS
battery fail occurred.<F1> continue,
<F2> to setup
Extending Battery Life
Power and Power-up Modes
in this chapter for
6-4