Dell PowerEdge T100 Series Hardware Owner's Manual page 85

3 Disconnect the fan's power cable from the system board.
If you are removing the smaller hard drive cooling fan (see
a
Figure 3-23):
Squeeze the two release tabs together at the top of the fan cage that
b
attaches the fan to the chassis bracket mount.
Lift the fan out.
c
NOTE:
The SAS hard drive cooling fan is present only if a SAS 6i/R integrated
controller card is installed.
4 If you are removing the larger processor cooling fan:
Remove the heat sink and shroud assembly. See "Removing the
a
Processor" on page 81. Do not remove the processor, however.
Press the side release tab that attaches the processor cooling fan to the
b
chassis (see Figure 3-24).
Press the bottom release tab and shift it forward to guide the bottom
c
mounting tabs out of their mounting holes (see Figure 3-24).
Slide the fan toward the back panel and lift the fan out.
d
Installing System Components
85