Removal and replacement procedures 49
8. Press the Escape key to close the menu.
9. Press the Escape key to exit RBSU.
10. Press the F10 key to confirm exiting RBSU. The server will automatically reboot.
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. 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 29).
2. Extend the server from the rack, if applicable ("Extending the server from the rack" on page 27).
3. Remove the access panel ("Removing the access panel" on page 29).
4. Remove any hardware that will interfere with accessing the battery.
5. 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.
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