3Com user manual DK8X Motherboard

DK8X Motherboard

Step 12

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.

Step 14

Carefully turn the cam lever to lock into place.

Step 13

The spring clip must be installed as shown.

Step 15

Ensure the cam lever is locked into the retention frame.

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