Battery replacement 108
Battery replacement
If the server no longer automatically displays the correct date and time, you might need to replace the
battery that provides power to the real-time clock. Under normal use, battery life is 5 to 10 years.
WARNING: The computer contains an internal lithium manganese dioxide, a vanadium
pentoxide, or an alkaline battery pack. A risk of fire and burns exists if the battery pack is not
properly handled. To reduce the risk of personal injury:
• Do not attempt to recharge the battery.
• Do not expose the battery to temperatures higher than 60°C (140°F).
• Do not disassemble, crush, puncture, short external contacts, or dispose of in fire or water.
• Replace only with the spare designated for this product.
To remove the component:
1. Power down the server (on page 24).
2. Remove all power:
a. Disconnect each power cord from the power source.
b. Disconnect each power cord from the server.
3. Extend the server from the rack (on page 25).
4. Remove the access panel (on page 26).
5. Remove the SPI board (on page 27).
6. Remove the battery.
IMPORTANT: Replacing the system board battery resets the system ROM to its default
configuration. After replacing the battery, reconfigure the system through UEFI System
Utilities.
IMPORTANT: To avoid a mismatch between boot modes, Hewlett Packard Enterprise
recommends setting system maintenance switch 7 to the same BIOS boot mode the server is
deployed in. Otherwise, the storage controller may not recognize the OS installed on the
storage media.
For more information, see "System Maintenance Switch (on page 12)."
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