Power and
High capacity battery pack (option)
An optional High capacity battery pack is installable instead of a main battery pack. The connection method of High capacity battery pack is the same as that of main battery pack.
■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 is completely discharged, Standby Mode does not function and the computer loses all data in memory.
■When the High capacity battery pack is connected to the computer, do not hold on only to the High capacity battery pack when lifting the computer up.
The High capacity battery pack may separate from the computer, causing it to fall and cause injuries.
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 **** 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 pressing the F1 key. Refer to Chapter 9 Troubleshooting for the detail.
The computer’s RTC battery is a
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.
User’s Manual |