Toshiba Tecra M9 User Manual
Page 130
6-4
User’s Manual
M9
Extended Capacity Battery Pack (Included with some
models, or option)
The Extended Capacity Battery Pack is included with some models, or can
be purchased separately as an optional accessory.
High Capacity Battery Pack (Included with some models, or
option)
The High Capacity Battery Pack is included with some models, or can be
purchased separately as an optional accessory.
Real Time Clock (RTC) battery
The Real Time Clock (RTC) battery provides power for the internal real
time clock and calendar function and also maintains the system
configuration while the computer is turned off. If the RTC battery becomes
completely discharged, the system will lose this information and the real
time clock and calendar will stop working - in this instance the following
message will be displayed when you turn on the power:
S
**** RTC battery is low or CMOS checksum is
inconsistent ****
Press [F1] key to set Date/Time.
You can change the Real Time Clock settings by turning the computer on
while pressing the Esc key and then the F1 key when prompted. Please
refer to Chapter 8
, for further information.
Care and use of the battery pack
This section provides the important safety precautions in order to handle
your battery pack properly.
Refer to the enclosed Instruction Manual for Safety and Comfort for
detailed precautions and handling instructions.
The RTC battery does not charge while the computer is turned off even if
the AC adaptor is attached.
■
Make sure the battery is securely installed in the computer before
attempting to charge the battery pack. Improper installation could
generate smoke or fire, or cause the battery pack to rupture.
■
Keep the battery pack out of reach of infants and children. It can cause
injury.