System battery replacement 90
System battery replacement
If the server no longer automatically displays the correct date and time, you might have 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 16).
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:
o Extend the server from the rack (on page 16).
o Remove the server from the rack (on page 17).
4. Remove the access panel (on page 18).
5. Remove the PCI riser cage (on page 19).
6. Locate the battery on the system board ("System board components" on page 10).
7. Remove the battery.