Removal and replacement procedures 58
8. Close the heatsink locking levers.
9. Install the large redundant fan air baffle, if removed.
10. Install the access panel.
11. Do one of the following:
o Close or install the tower bezel, as needed.
o Slide the server back into the rack.
System board
To remove the component:
1. Power down the server (on page 26).
2. Do one of the following:
o Open or remove the tower bezel, as needed ("Front bezel" on page 28).
o Extend the server from the rack (on page 25).
3. Remove the access panel ("Access panel" on page 29).
4. Disconnect all cables connected to the system board ("System board components" on page 74).
5. Remove all expansion boards ("Expansion board" on page 44).
6. Remove the large redundant fan air baffle, if installed ("Large redundant fan air baffle" on page
31).
7. Remove the DIMM baffles ("DIMM baffle" on page 32).
8. Remove all fans ("Fan" on page 34).
9. Remove all DIMMs ("DIMM" on page 50).
10. Remove the battery-backed write cache module, if installed ("Battery-backed write cache module" on
page 46).
11. Remove the heatsink ("Heatsink" on page 51).