Install the CMOS battery (CR2032)

Follow instructions in this section to install the CMOS battery (CR2032).

About this task

S004

CAUTION

When replacing the lithium battery, use only Lenovo specified part number or an equivalent type of 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.

S005

CAUTION

The battery is a lithium ion battery. To avoid possible explosion, do not burn the battery. Exchange it only with the approved part. Recycle or discard the battery as instructed by local regulations.

Attention

Read Installation Guidelines and Safety inspection checklist to ensure that you work safely.

Important

The following notes describe information that you must consider when you are replacing the CMOS battery in the server:

• You must replace the CMOS battery with a lithium CMOS battery of the same type from the same manufacturer.
• After you replace the CMOS battery, you must reconfigure the server and reset the system date and time.

Procedure

1. Follow any special handling and installation instructions that come with the CMOS battery.
2. Make preparation for this task.
   1. Remove the 2U compute shuttle. See Remove the 2U compute shuttle.
3. Locate the battery socket on the system board assembly.
   Figure 1. CMOS battery location
   
   

   1 CMOS battery location

4. Touch the static-protective package that contains the new part to any unpainted surface on the outside of the server; then, take the new part out of the package and place it on a static-protective surface.
5. Place the CMOS battery on top of the socket with the positive (+) symbol facing up, and press the battery into the seat until it clicks in place.
6. Tilt the CMOS battery at an angle and insert it into the battery socket.
   Figure 2. CMOS battery installation