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Install a CMOS battery (CR2032)

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

About this task

To avoid potential danger, make sure to read and follow the safety information.

S004
Attention
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
Attention
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 make sure that you work safely.

  • Touch the static-protective package that contains the component to any unpainted metal surface on the node and chassis; then, take the component out of the package and place it on a static-protective surface.

  • Make sure to read the following notes carefully before replacing the CMOS battery in the node.
    • Do not make CMOS battery in contact with any metal surface during the replacement. Any contact with a metal surface, such as the node and chassis side, can cause damages to the battery.
    • When replacing the battery, you must replace it with another CMOS battery of the exact same type (CR2032) made by the same manufacturer.
    • After replacing the battery, make sure to reconfigure the node and reset the system date and time.
    • Dispose of the battery as required by local ordinances or regulations.

Procedure

  1. Locate the CMOS battery socket on the system board.
    Figure 1. Location of the CMOS battery socket
    Location of the CMOS battery socket
  2. Follow any special handling and installation instructions that come with the CMOS battery.
  3. Install the new CMOS battery into the node.
    1. Slightly pivot open the socket clip of the CMOS battery socket.
    2. Insert the battery into the socket, orienting the battery so that the positive (+) side faces toward the positive side of the socket.
    3. Make sure that the battery clip holds the battery securely.
    Attention

    Avoid using excessive force on the CMOS battery, as it might damage the socket on the system board and result in system board replacement.

    Figure 2. Installation of a CMOS battery
    CMOS battery installation

After you finish

  1. Make sure that all the required cables are routed and connected correctly; then, reinstall the top cover (see Install the top cover).
  2. Reinstall the node into the chassis (see Install a node to the chassis).
  3. Reinstall all drives and drive fillers (if any) to the node (see Install a hot-swap drive).
  4. Make sure that the required power supply units are installed and power cords are connected; then, power on the node (see Install a hot-swap power supply and Power on the node).
  5. Proceed to complete the parts replacement (see Complete the parts replacement).

Demo video

Watch the procedure on YouTube