How to Replace the System Battery

Two real-time clock (RTC) system batteries (type CR2032), one per compute node, are located on the motherboard.

1. Prepare the server module for service. See How to Prepare the Server Module for Service.
2. Remove the service processor (SP) board. See How to Remove the Service Processor Board.
3. To dislodge the battery from its holder, gently push the top edge of the battery away from the battery holder.

   See frame [1] in Battery Replacement Illustration.

4. Remove the battery.

   See frame [2] in Battery Replacement Illustration.

5. Orient the new battery so that the '+' symbol faces away from the battery holder.
6. To install the battery, insert it into the holder and press it into position.

   See frames [3] and [4] in Battery Replacement Illustration.

7. Install the SP board. See How to Install the Service Processor Board.
8. Clear the CMOS NVRAM. See Clearing CMOS NVRAM and Resetting Passwords.

   The BIOS settings revert to the default settings.

   See Clearing CMOS NVRAM and Resetting Passwords.

9. To customize the BIOS settings, access the BIOS Setup Utility and make the necessary changes. See How to Configure the BIOS Using the BIOS Setup Utility.
10. Prepare the server module for operation. See Preparing the Server for Operation.