Toshiba Tecra A9-S9018X Resource Manual page 39

battery may fail to retain a charge. This may shorten the life of the
battery, and may cause the battery meter to be inaccurate.
The computer also has an internal real-time-clock (RTC) battery.
The RTC battery powers the RTC memory that stores your system
configuration settings and the current time and date information. It
maintains this information for up to a month while the computer is
turned off.
Monitoring main battery power
The computer's main battery light gives you an indication of the
main battery's current charge. The following also applies to the
secondary battery (available on certain models) if installed.
Glows amber while the main battery is being charged (AC
adaptor connected)
Glows green when the main battery is fully charged
Is unlit when the battery has discharged, the battery is not
charging, or the AC adaptor is not plugged into the computer or
AC outlet
Flashes amber when the main battery charge is low and it is
time to recharge the main battery or plug in the AC adaptor
Setting battery alarms
Your computer can be configured to warn you when the battery is
running low. For more information, see "Setting battery alarms" in
the electronic user's guide.
TECHNICAL NOTE: The RTC battery does not charge while the
computer is turned off, even when AC power is attached.
The RTC battery charges only while the computer is powered on.
Battery life and charge time may vary, depending upon power
management settings, applications and features used.
HINT: Be careful not to confuse the battery light
( )
light .
When the on/off light flashes amber, it indicates that the system is
suspended (using the Windows
command).
TECHNICAL NOTE: The recharging of the battery cannot occur when
your computer is using all of the power provided by the AC adaptor
to run applications, features, and devices. Your computer's Power
Options utility can be used to select a power level setting that
reduces the power required for system operation and will allow the
battery to recharge.
Mobile computing
(
®
operating system Standby
39
)
with the on/off