Retaining data with power off, Extending battery life – Toshiba A40 Series User Manual

Page 145

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P

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P

OWER

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M

ODES

6-11

Care and use of the battery pack

• Monitor Power off

• HDD Power off

How often and how long you use the hard disk and the diskette drive.

How much charge the battery contained to begin with.

How you use optional devices, such as a PC card, to which the battery
supplies power.

Enabling Standby mode conserves battery power if you are frequently turning
the computer off and on.

Where you store your programs and data.

Closing the display when you are not using the keyboard saves power.

Operating time decreases at low temperatures.

The condition of the battery terminals. Make sure the battery terminals stay
clean by wiping them with a clean dry cloth before installing the battery pack.

Retaining data with power off

When you turn off your computer with fully charged batteries, the batteries retain
data for the following approximate time periods:

Battery pack

8400mAh about 6 days (Standby mode)

about 2 month (Boot mode)

RTC battery

1 month

Extending battery life

To maximize the life of your battery pack:

At least once a month, disconnect the computer from a power source and
operate it on battery power until the battery pack fully discharges. Before doing
so, follow the steps below.

1. Turn off the computer’s power.

2. Disconnect the AC adaptor and turn on the computer’s power. If it does not

turn on go to step 4.

3. Operate the computer on battery power for five minutes. If the battery pack

has at least five minutes of operating time, continue operating until the
battery pack is fully discharged. If the Battery indicator flashes or there is
some other warning to indicate a low battery, go to step 4.

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