Removal and replacement procedures  71 
6. 
Remove the battery. 
 
 
 
IMPORTANT: Replacing the system board battery resets the system ROM to its default 
configuration. After replacing the battery, reconfigure the system through RBSU. 
 
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 assembly procedures 
The following procedures are required when replacing the system board: 
•  Install the spare system board (on page 71). 
•  Re-enter the server serial number and the product ID ("Re-entering the server serial number and product 
ID" on page 77). 
•  Reactivate the HP Smart Array SAS license key (on page 78). 
 
Install the spare system board 
 
 
CAUTION: To avoid ESD damage, when removing electrostatic-sensitive components from the 
failed system board, place the components on a static-dissipating work surface or inside separate 
antistatic bags. 
 
To remove the system board assembly: 
1.  Power down the server (on page 31). 
2.  Remove all power: 
a.  Disconnect each power cord from the power source. 
b.  Disconnect each power cord from the server. 
3.  Remove all power supplies ("Power supply" on page 36). 
4.  Do one of the following: 
o  Extend the server from the rack (on page 32). 
o  Remove the server from the rack (on page 34).