Remove the air baffle
6.
Remove the fan cage.
7.
Remove all DIMMs ("DIMMs" on page 63).
8.
Remove any installed PCI cards.
9.
Remove the PCI card support bracket on both sides.
10.
Disconnect all cables connected to the system board.
11.
Open the heatsink retaining levers.
12.
("Air
baffle" on page 30).
Removal and replacement procedures 65