System expansions
Changing the lithium battery
In order to permanently save the system informa tion , a lithium battery is installed to provid e
the CMOS-memory with a current. A corresponding error m essage notifies the user when the
charge is too low o r the battery is empty. The lithium battery must then be replaced.
Incorrect replacement of the lithium battery may lead to a risk of explosion!
The lithium battery may be replaced only with an identical battery or with
a type recommended by the manufacturer.
Do not throw lithium batteries into the household waste. They must be disposed
of in accordance with local regulations concerning special waste.
Make sure that you observe the correct polarity when replacing the lithium
battery. The plus pole must be on top!
LithiumbatteryChangingChangeChangi ng ,lithiumbat teryBattery
The lithium battery
holder exists in different designs that function in the same w ay.
► Remove the top casi
ng cover and drive cage (see "
Removing the casing top cover",
Page 66 and "Removing
the drive cage", Page 68).
► Remove the fan (see "
Removing the fan", Page 92).
1
2
3
► Press the locking lug in the direction of the arrow (1).
The batter
y jumps out of the holder slightly.
► Remove the battery (2).
► Push the n
ew lithium battery of the same type into the holder (3) and
press it
downward until it engages.
► Reinstall the fan (see "
Installing the fan", Page 93).
► If you do
not want to remove or install any other components, replace the drive cage
and the
top casing cover (see "
Installing the drive cage", Page 69 and "Securing the
top cas
ing cover", Page 67). Take ca re that no cables get jammed.
96 Fujitsu
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