Figure 27. Removing the CMOS battery
a. Pry the CMOS battery from the socket with a flat blade screwdriver.
b.
Remove the CMOS battery.
After you finish
1. Install a new one. See
“Install the CMOS battery” on page 57.
2. Dispose of the CMOS battery as required by local ordinances or regulations.
Install the CMOS battery
Follow instructions in this section to install the CMOS battery.
About this task
The following tips describe information that you must consider when installing the CMOS battery.
• Lenovo has designed this product with your safety in mind. The lithium CMOS battery must be handled
correctly to avoid possible danger. If you replace the CMOS battery, you must adhere to local ordinances
or regulations for battery disposal.
• 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.
• To order replacement batteries, call your support center or business partner. For Lenovo support
telephone numbers, see
https://datacentersupport.lenovo.com/supportphonelist for your region support
details.
Note: After you install the CMOS battery, you must reconfigure the server and reset the system date and
time.
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,
Chapter 5. Hardware replacement procedures 57
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