HP PROLIANT DL380 User Manual page 142

142 HP ProLiant DL380 Generation 3 Server User Guide
To replace the component, reverse the removal procedure.
For more information about battery replacement or proper disposal, contact your
authorized reseller or your authorized service provider.
IMPORTANT: Replacing the system board battery resets the system
ROM to its default configuration. After replacing the battery, reconfigure
the system through RBSU.