Supermicro SUPER P6DLE User Manual page 37

Chapter 2: Installation
3. Slide a black plastic support onto each end of the fan heatsink,
making sure that the hole and clip are on the outside edge of the
support. If the supports are reversed, the holes will not line up with
the pegs on the motherboard. Slide each support toward the center
of the processor until the support is seated in the outside groove in
the fan housing.
Figure 2-2. Support for Fan Heatsink
Top of processor
Groove in fan housing
Hole and clip on outside edge
2-3