Removal and replacement procedures 64
Power supply backplane
To remove the component:
1. Power down the server (on page 27).
2. Remove the power supplies ("Hot-plug power supply" on page 32).
3. Do one of the following:
o Unlock and remove the bezel ("Front bezel" on page 29).
o Extend the server from the rack (on page 28).
4. Remove the access panel.
5. Remove the air baffle ("Air baffle" on page 36).
6. Remove the system fans (on page 37).
7. Remove all expansion boards ("Expansion board" on page 39).
NOTE: Removing the processors, PPM, FBDIMMs, and cache module from the system board is
not necessary for this procedure.
8. Remove the system board ("System board" on page 57).
9. Disconnect the cables from the power supply backplane.
10. Remove the power supply backplane.
To replace the component, reverse the removal procedure.
