Removing and replacing the system battery
If the server blade no longer automatically displays the correct date and time, then 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.
Procedure
1. Power down the server blade on page 21.
2. Remove the server blade on page 22.
3. Place the server blade on a flat, level work surface.
4. Remove the access panel on page 22.
5. Identify the battery location.
For more information on battery location, see System board components on page 13.
6. Remove the left DIMM baffle (DIMM baffle (left side)).
7. 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.
94 Removing and replacing the system battery
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