Toshiba Satellite A210 PSAFGC-MS408C Users Manual Canada; English - Page 175

POWER AND POWERUP MODES Power and Power-Up Modes The battery recharges the RTC batteries. The battery maintains the state of the computer when you enable Resume. 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: ERRPR 0271:Check date and time settings. WARNING 0251:System CMOS checksum bad - Default configuration used. Press to resume, to Setup. 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. User's Manual 6-5