Real Time Clock Battery - Toshiba Satellite P30 User Manual

The battery pack is a lithium ion battery, which can explode if not
properly replaced, used, handled or disposed of. Dispose of the battery
as required by local ordinances or regulations. Use only batteries
recommended by TOSHIBA as replacements.
Do not remove the Battery Pack while the computer is in Standby mode.
Data is stored in RAM, so if the computer loses power, it will be lost.
Battery type (depending on the model purchased):
12 cell- PA3383U-1BAS, PA3383U-1BRS

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. The following
message appears when you turn on the power:
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.
When this error appears, the following action is recommended.
1. Plug in AC over 24 hours
2. Press F2 to enter BIOS setup menu
3. Set correct time and date
If you still see error message after above action, please get contact with
TOSHIBA service.
6-4
ERROR 0271:Check date and time settings.
WARNING 0251:System CMOS checksum bad - Default
configuration used.
Press <F1> to resume, <F2> to Setup
Power and Power-Up Modes
Satellite P30