Removal and replacement procedures 65
To remove the component:
1. Power down the server (on page 26).
2. Remove all power:
a. Disconnect each power cord from the power source.
b. Disconnect each power cord from the server.
3. Extend ("Extend the server from the rack" on page 27) or remove ("Remove the server from the rack" on
page 28) the server from the rack.
4. Remove the access panel ("Access panel" on page 32).
5. If installed, remove the secondary PCIe riser cage (on page 36).
6. Locate the battery ("System board components" on page 89).
7. 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).
2. Remove all power:
a. Disconnect each power cord from the power source.
b. Disconnect each power cord from the server.
3. Remove the server from the rack (on page 28).
4. Remove all power supplies ("AC power supply" on page 39).
5. Remove the access panel ("Access panel" on page 32).
6. Remove the air baffle ("Air baffle" on page 33).