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Mobile computing
5.375 x 8.375 ver 3.1
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.
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.
Monitoring battery power
The computer’s main battery light gives you an indication of
the main battery’s current charge:
❖ Glows amber while the main battery is being charged
(AC adapter connected).
❖ Glows blue when the main battery is fully charged.
❖ Is unlit when the battery has discharged, the battery is not
charging, or the AC adapter is not plugged into the
computer or AC outlet.
Battery life and charge time may vary, depending upon power
management settings, applications and features used.
❖
Flashes amber when the main battery charge is low and it
is time to recharge the main battery or plug in the AC
adapter.
HINT: Be careful not to confuse the battery light ( ) with the on/off
light ( ). When the on/off light flashes amber, it indicates that the
system is suspended (using the Windows
®
operating system
Standby command).
TECHNICAL NOTE: When your computer is using all of the power
provided by the AC Adapter to run applications, features, and
devices, the recharging of the battery cannot occur. Your computer's
Power Saver 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.