Removal and replacement procedures 42
o
Two-bay power supply backplane board
o Four-bay power supply backplane board
To replace the component, reverse the removal procedure.
Expansion board
1. Do one of the following:
o For tower models, open and remove the bezel ("Remove the tower bezel" on page 26).
o For rack models, if installed, remove the security bezel (on page 26).
2. Power down the server (on page 25).
3. Remove all power:
a. Disconnect each power cord from the power source.
b. Disconnect each power cord from the server.