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Install the CMOS battery (CR2032)

Use this information to install the CMOS battery.

About this task

To avoid possible danger, read and follow the following safety statement.
  • 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 ensure that you work safely.

  • 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 solution and reset the system date and time.

Figure 1. CMOS battery location
CMOS battery location
Table 1. CMOS battery location
1 CMOS battery

Procedure

  1. Follow any special handling and installation instructions that come with the CMOS battery.
  2. Insert the new CMOS battery:
    1. Face the positive (+) symbol to the center of the node; then, place the battery into the seat until it clicks in place.
    2. As you slide the CMOS battery into place, press the top of the CMOS battery into the socket. Make sure that the battery clip holds the battery securely.
      Figure 2. CMOS battery installation
      CMOS battery installation
After you finish

  1. Install the PCIe riser assembly. See Install a PCIe riser assembly (ConnectX-6) , Install a PCIe riser assembly (ConnectX-7 NDR 200), or Install a PCIe riser assembly (ConnectX-7 NDR 400).

  2. Install the tray cover. See Install the tray cover.

  3. Install the tray into the enclosure. See Install a DWC tray in the enclosure.

  4. Connect all required external cables to the solution.
    Note
    Use extra force to connect QSFP cables to the solution.

  5. Check the power LED on each node to make sure it changes from fast blink to slow blink to indicate all nodes are ready to be powered on.

Demo video

Watch the procedure on YouTube