Toshiba 1905-s277 User Guide
104
Mobile Computing
Charging batteries
5.375 x 8.375 ver 2.1.2
Charging the RTC battery
The computer contains an internal battery that provides
power for the real-time clock (RTC) and calendar.
power for the real-time clock (RTC) and calendar.
During normal use, the main battery keeps the RTC battery
adequately charged. Occasionally, the RTC battery may lose
its charge completely, especially if you have had the
computer turned off for a long time.
adequately charged. Occasionally, the RTC battery may lose
its charge completely, especially if you have had the
computer turned off for a long time.
If the RTC battery is low, the real-time clock and calendar
may display the incorrect time and date, or stop working.
may display the incorrect time and date, or stop working.
To recharge the RTC battery, plug in the computer and leave
it turned on for 10 or more hours.
it turned on for 10 or more hours.
NOTE: It is seldom necessary to charge the RTC battery because it
charges while the computer is off. If the RTC battery is low, the
real-time clock and calendar may display the incorrect time and
date or stop working.
charges while the computer is off. If the RTC battery is low, the
real-time clock and calendar may display the incorrect time and
date or stop working.
When Hibernation mode is enabled and the RTC battery is
completely discharged, a warning prompts you to reset the real-
time clock.
completely discharged, a warning prompts you to reset the real-
time clock.
The computer can be used while the RTC battery is being
charged, although the charging status of the RTC battery
cannot be monitored.
charged, although the charging status of the RTC battery
cannot be monitored.