Toshiba Satellite A100-S2311TD User Manual - Page 109

Power and Power-Up Modes When the computer is powered off in Resume mode, and the AC adaptor is not connected, the battery pack supply power to maintain data and programs in memory. If the battery pack is completely discharged, Resume does not function and the computer loses all data in memory. The following message appears when you turn on the power: RESUME FAILURE. PRESS ANY KEY TO CONTINUE. To ensure that the battery pack maintains its maximum capacity, operate the computer on battery power at least once a month until the battery pack is fully discharged. Refer to Extending battery life in this chapter for procedures. If the computer is continuously operated on AC power, more than a month, the battery may fail to retain a charge. It may not function efficiently over the expected life of the battery and the Battery LED may not indicate a low-battery condition. 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: Check system. Then press [F1] key . . . . 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. 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 6-4