Intel SHG2 - Manual (Page 33)

Server Board installation 33
1. Install processor wind tunnel center section over the heat sink / processor assembly. Note that
plastic tabs on the wind tunnel center section engage the tabs on the retention clips.
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Figure 16. Attaching the Wind Tunnel Assembly
2. Attach the processor wind tunnel fan to the wind tunnel air intake assembly as shown. The fan
label must be pointing into the air intake assembly.
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Fan label
Figure 17. Attaching the Heat Sink Fan to the Air Intake Assembly
CAUTION
To ensure proper system cooling, the heat sink fan must be installed as
shown in Figure 18 and the air intake fan assembly must be attached to the
side of the processor / wind tunnel assembly nearest to the front of the
chassis.