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TECRA M2 6-6
Power and Power-Up Modes
2nd battery (option)
An optional 2nd battery can be installed in the Slim Select Bay to increase
your battery operating time. Note the caution on Standby mode in the
previous section Main battery.
High capacity battery
An optional high capacity battery is installable instead of a Main battery. The
capacity of High capacity battery is approximately double the capacity of
Main battery. The connection method of High capacity battery is the same
as that of Main battery.
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:
**** RTC battery is low or CMOS checksum is inconsistent ****
Press [F1] key to set Date/Time.
The 2nd 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.
■ 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.When the computer is powered off in Standby mode, and the AC
adaptor is not connected, the main battery pack and optional 2nd battery
pack supply power to maintain data and program in memory. If the
battery pack(s) is completely discharged, Standby mode does not
function and the computer loses all data in memory.
■ Do not have only High capacity battery, when having connected High
capacity battery with the computer.
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.
You can change the setting of RTC by pressing F1 key. Refer to Chapter 9
Troubleshooting for the detail.