2Nd Battery (Option); High Capacity Battery; Real Time Clock Battery - Toshiba Tecra M2 User Manual

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
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.

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.
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.

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:
S
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
6-6
Main battery.
**** RTC battery is low or CMOS checksum is
inconsistent ****
Press [F1] key to set Date/Time.
for the detail.
User's Manual