Replacing the system battery
The system battery provides power to the internal clock. If the server no longer automatically displays the correct date
and time, you might need to replace the system battery.
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 expose the battery to extremely low air pressure as it might lead to explosion or leakage of flammable
liquid or gas.
• 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
2. Remove all power:
a. Disconnect each power cord from the power source.
b. Disconnect each power cord from the server.
3. Do one of the following:
• Extend the server from the rack (
Extending the server from the rack).
• Remove the server from the rack (
Removing the server from the rack).
4. Remove the access panel (Removing the access panel).
CAUTION: Do not operate the server for long periods with the access panel open or removed. Operating the
server in this manner results in improper airflow and improper cooling that can lead to thermal damage.
5. If installed, remove the butterfly riser cage (Removing a PCIe riser cage).
6. Locate the battery (System board components).
7. Remove the battery.
Replacing the system battery
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