Real Time Clock (Rtc) Battery; Care And Use Of The Battery Pack; Safety Precautions - Toshiba PORTEGE M300 User Manual

Real Time Clock (RTC) 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. The following
message appears when you turn on the power:
S
You can change the setting of RTC by pressing F1 key. Refer to Chapter 9
Troubleshooting
The computer's RTC battery is a lithium ion 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 battery packs 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.
Danger
1. Never try to dispose of the battery pack by burning or expose it to a
heating device such as a microwave oven. The battery pack could
explode and cause bodily injury.
2. Never try to disassemble, repair or otherwise tamper with a battery
pack. The battery pack will overheat and ignite. Leakage of caustic
alkaline solution or other electrolytic substances will cause fire or injury,
possibly resulting in death or serious injury.
User's Manual
**** RTC battery is low or CMOS checksum is
inconsistent ****
Press [F1] key to set Date/Time.
for the detail.
Power and Power-Up Modes
6-5