Removal and replacement procedures 55
5.
Remove the PPM.
NOTE: The appearance of compatible PPMs may vary.
To replace the component, reverse the removal procedure.
CAUTION: Only install a PPM if the processor is installed. Both the PPM and the processor must be
installed together, otherwise the system does not boot.
IMPORTANT: PPMs do not seat if turned the wrong way.
Power supply backplane
To remove the component:
1. Power down the server (on page 29).
2. Do one of the following:
• Unlock and remove the bezel ("Front bezel" on page 30).
• Extend the server from the rack (on page 29).
3. Remove all hot-plug power supplies ("Hot-plug power supply" on page 35).
4. Remove the access panel ("Access panel" on page 31).
5. Remove all expansion boards ("Expansion board" on page 40).
6. Remove the processor air baffle ("Processor air baffle" on page 41).
7. Remove the center wall ("Center wall" on page 42).
