System battery
If the server no longer automatically displays the correct date and time, you may need to replace the
battery that provides power to the real-time clock.
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 26).
2. Extend the server from the rack (on page 25).
3. Remove the access panel ("Access panel" on page 30).
4. Remove the PCI riser cage ("PCI riser cage" on page 38).
5. Remove the air baffle ("Air baffle" on page 39).
6. Remove the battery.
To replace the component, reverse the removal procedure.
For more information about battery replacement or proper disposal, contact an authorized reseller or an
authorized service provider.
System board
To remove the component:
1. Power down the server (on page 26).
Removal and replacement procedures 56