• 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.
Removing and replacing the system battery
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. Disconnect all peripheral cables from the server.
4. Do one of the following:
•
Extend the server from the rack.
• Remove the server from the rack.
5. Remove the access panel.
6. If installed, remove the secondary riser cage.
7. Locate the system battery on the system board.
8. Remove the system battery.
9. To replace the component, reverse the removal procedure.
10. Properly dispose of the old battery. For more information about battery replacement or proper
disposal, contact an authorized reseller or an authorized service provider.
90 Removal and replacement procedures