System battery replacement
System battery information
The server contains an internal lithium manganese dioxide, a vanadium pentoxide, or an alkaline battery that provides
power to the real-time clock. If this battery is not properly handled, a risk of the fire and burns exists. 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 the battery in fire or water.
• If the server 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.
Replace the system battery
Prerequisites
Before you perform this procedure make sure you have a small flat-bladed, nonconductive tool available.
Procedure
1.
Power down the server.
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.
•
Remove the server from the rack.
4. Remove the access panel.
5. If installed, remove the tertiary riser cage (
Removing a riser cage).
6. Locate the battery on the system board (System board components).
7. Use a small flat-bladed, nonconductive tool to carefully lift the front of the battery from the socket.
8. Remove the battery.
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System battery replacement
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