1. Mount the rubber feet.

2. Unscrew the top screws so the Rock 5B board can be inserted easily.

3.
a) Insert the board.
b) Remove the protection plastic from both sides of the blue thermal pad and place the thermal pad on the SoC.

4. Tighten the 2 screws in the top holding the body together.

5. Tighten the 4 screws holding the heatsink with the lid together.

6. Close the lid and tighten the screws.