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Maintenance and service
11.1 Removing and installing hardware components
11.1.2
Replacing the backup battery
To be noted before you replace the battery
Caution
Risk of damage!
The lithium battery may only be replaced with an identical battery or with a type
recommended by the manufacturer.
Disposal
Caution
Depleted batteries must be disposed of in accordance with with local regulations.
Preparation
Note
The configuration data of the device are deleted when the battery is replaced. Note the
current BIOS Setup settings. You can conveniently back up the BIOS settings by means of
the SIMATIC PC BIOS manager.
Replacing the battery
The location of the backup battery on the motherboard and the procedure for replacing it is
described in technical manual, D2156-S.pdf, on the supplied "Documentation and Drivers"
CD.
Reconfiguring the BIOS Setup
When a battery is exchanged, the configuration data of the device is lost and must be
reentered in the BIOS setup.
11-2
Operating Instructions, Edition 09/2005, A5E00432875-01
SIMATIC Rack PC IL 43
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