Toshiba Tecra A8 manual Care and use of the battery pack, Real Time Clock RTC battery

Power and Power-Up Modes

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 detail.

The computer’s RTC battery is a Ni-MH 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.

The RTC battery does not charge while the computer is turned off even if the AC adapter is attached.

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.

Refer to the enclosed Instruction Manual for Safety & Comfort for detailed precautions and handling instructions.

■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.

■Use only battery packs recommended by TOSHIBA as replacements.

■Charge the battery pack only in an ambient temperature between 5 and 35 degrees Celsius. Otherwise, the electrolyte solution might leak, battery pack performance might deteriorate and the battery life might be shortened.

■Never install or remove the battery pack without first turning off the power and disconnecting the AC adaptor. Never remove the battery pack while the computer is in Standby Mode. Data will be lost.

User’s Manual 6-5