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also maintains the system configuration while the computer is turned off. If
the RTC lasting time completely runs out, the system will lose this
information and the real time clock and calendar will stop working.
You can change the Real Time Clock settings in the BIOS setup utility.
Please refer to Troubleshooting for further information.
Care and use of the battery pack
This section provides the important safety precautions in order to handle
your battery pack properly.
Refer to the enclosed Instruction Manual for Safety and Comfort for
detailed precautions and handling instructions.
Charge the battery pack only in an ambient temperature between 5 and 35
degrees Celsius. Otherwise, the electrolyte solution might leak, battery
pack performance might deteriorate and the battery life might be
shortened.
Charging the batteries
When the power in the battery pack becomes low, the DC IN/Battery
indicator will flash amber to indicate that only a few minutes of battery
power remain. If you continue to use the computer while the DC IN/Battery
indicator flashes, the computer will enable Hibernation Mode so that you do
not lose any data, and automatically turn itself off.
You must recharge a battery pack when it becomes discharged.
Procedures
To recharge a battery pack, connect the AC adaptor to the DC IN 19V jack
and plug the other end into a working outlet - the DC IN/Battery indicator
will glow amber while the battery is being charged.
Charging Time
The following table shows the approximate time required to fully charge a
discharged battery.
Battery type Power off Power on
Battery pack (32Wh, 4
cell)
about 3 hours about 3 hours
Battery pack (45Wh, 4
cell)
about 3 hours about 3 hours
User's Manual 4-20