Replacing the coin-cell battery (also called CMOS battery)

The following notes describe information that you must consider when replacing the coin-cell battery in the server.

Statement 2


When replacing the lithium battery, use only Part Number 33F8354 or an equivalent type 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.

To install the replacement coin-cell battery, complete the following steps:

  1. Follow any special handling and installation instructions that come with the replacement battery.
  2. Read the safety information that begins on Safety and Installation guidelines.
  3. Turn off the server and peripheral devices and disconnect the power cords and all external cables, if necessary.
  4. Remove the top cover (see Removing the top cover).
  5. If necessary, lift the riser-card assembly 2 out of the way (see Removing a riser-card assembly).
  6. Insert the new battery:
    Figure 1. Coin-cell battery position
    Coin-cell battery position
    1. Tilt the battery so that you can insert it into the socket on the side opposite the battery clip.
      Figure 2. Coin-cell battery installation
      Coin-cell battery installation
    2. Press the battery down into the socket until it clicks into place. Make sure that the battery clip holds the battery securely.
    3. If you removed a rubber cover from the battery holder, use your fingers to install the battery cover on top of the battery connector.
  7. Reinstall the riser-card assembly 2 (see Replacing a riser-card assembly), if necessary.
  8. Install the top cover (see Replacing the top cover).
  9. Slide the server into the rack.
  10. Reconnect the external cables; then, reconnect the power cords and turn on the peripheral devices and the server.
  11. Start the Setup Utility and reset the configuration.
    • Set the system date and time.
    • Set the power-on password.
    • Reconfigure the server.
    See Using the Setup Utility for details.