Removing the system battery

Use this information to remove the CMOS battery.

The following notes describe information that you must consider when replacing the battery.

To remove the system battery, complete the following steps:

  1. Read the safety information that begins on Safety and Installation guidelines.
  2. Turn off the server and peripheral devices and disconnect the power cords and all external cables, if necessary.
  3. Remove the cover (see Removing the compute node cover).
  4. If necessary, lift the PCI riser-card assembly 2 out of the way (see Removing a PCI riser-cage assembly).
  5. Remove the system battery:
    1. If there is a rubber cover on the battery holder, use your fingers to lift the battery cover from the battery connector.
    2. Use one finger to tilt the battery horizontally out of its socket, pushing it away from the socket.
      Attention: Neither tilt nor push the battery by using excessive force.
      Figure 1. System battery removal
      System battery removal
    3. Use your thumb and index finger to lift the battery from the socket.
      Attention: Do not lift the battery by using excessive force. Failing to remove the battery properly may damage the socket on the system board. Any damage to the socket may require replacing the system board.
  6. Dispose of the battery as required by local ordinances or regulations. See the IBM Environmental Notices and User's Guide on the IBM Documentation CD for more information.