3Com IWILL DK8X - Manual (Page 28)

DK8X Motherboard
Step 12
Step 14
Connect the fan power lead to the proper connector to the motherboard.
Check the installation completely to make sure heatsink is installed correctly before starting the system. When the system
is first powered-on, verify that the processor heatsink/fan is turning at a rapid rate.
If the fan is spinning at a slow rate or not spinning at all, power-down the system immediately to avoid any thermal damage.
Important: In single CPU mode, please place CPU on the position of CPU0
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2-14 Hardware Installation
Step 13
1. Make sure the retention clip is aligned with
the plastic lug on the retention frame.
2. Carefully push straight down on the clip.
This may take more force than the first side.
The spring clip must be installed as shown.
Carefully turn the cam lever to lock into place.
Step 15
Ensure the cam lever is locked into the retention frame.