Chapter 3 – DFI CD9A3 series User Manual
Page 23

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Chapter 3 Hardware Installation
23
Chapter 3
6. Grasping CD9A3 Series by its edges, position it on top of the carrier board with its
mounting holes aligned with the bolts on the carrier board. This will also align the COM
Express connectors of the two boards to each other.
COM Express connectors
on CD9A3 Series
COM Express connectors
on the carrier board
7. Press CD9A3 Series down firmly until it is completely seated on the COM Express
connectors of the carrier board.
8. Use the provided mounting screws to secure CD9A3 Series with heat sink to the carrier
board and then connect the cooling fan’s cable to the fan connector on CD9A3 Series.
The photo below shows the locations of the long mounting screws.
Long screws
9. And then connect the cooling fan’s cable to the fan connector on CD9A3 Series.
Carrier board
CD9A3 Series
Fan connector