CMOS battery (CR2032) replacement
Follow instructions in this section to remove or install the CMOS battery (CR2032).
Remove the CMOS battery (CR2032)
Follow instructions in this section to remove the CMOS battery.
About this task
The following notes describe information that you must consider when replacing the battery:
• Lenovo has designed this product with your safety in mind. The lithium battery must be handled correctly
to avoid possible danger. If you replace the battery, you must adhere to the following instructions.
• If you replace the original lithium battery with a heavy-metal battery or a battery with heavy-metal
components, be aware of the following environmental consideration. Batteries and accumulators that
contain heavy metals must not be disposed of with normal domestic waste. They will be taken back free
of charge by the manufacturer, distributor, or representative, to be recycled or disposed of in a proper
manner.
• After you replace the battery, you must reconfigure the server and reset the system date and time.
S002
CAUTION:
The power-control button on the device and the power switch on the power supply do not turn off the
electrical current supplied to the device. The device also might have more than one power cord. To
remove all electrical current from the device, ensure that all power cords are disconnected from the
power source.
S004
CAUTION:
When replacing the lithium battery, use only Lenovo specified part number or an equivalent type
battery recommended by the manufacturer. If your system has a module containing a lithium battery,
replace it only with the same module type made by the same manufacturer. The battery contains
lithium and can explode if not properly used, handled, or disposed of.
Do not:
• Throw or immerse into water
• Heat to more than 100°C (212°F)
• Repair or disassemble
Dispose of the battery as required by local ordinances or regulations.
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Chapter 4. Hardware replacement procedures 121
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