Real time clock battery – Toshiba SATELLITE L300 User Manual
Page 93
User’s Manual
6-4
Power and Power-up Modes
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
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. One of the
following messages appears when you turn on the power:
The firmware has detected that a CMOS
battery fail occurred.<F1> contiune
The firmware has detected that a CMOS
battery fail occurred.<F1> contiune
, <F2>
to setup
When the computer is powered off in hibernation and sleep mode, and the
AC adapter is not connected, the battery pack supply power to maintain
data and programs in memory. If the battery pack is completely
discharged, hibernation and sleep do not function and the computer loses
all data in memory.
One of the following messages appears when you turn on the power:
The firmware has detected that a CMOS battery fail occurred. <F1> to
contiune.
The firmware has detected that a CMOS battery fail occurred.<F1> to
contiune
, <F2> to setup.
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