Hectronic H6052 Hardware Reference Manual page 28

7. Press H6052 down firmly until it is completely seated on the COM Express
connectors of the carrier board.
8. Position the heat sink on top of H6052 with the heat sink's mounting holes aligned
with H6052's mounting holes. Use the provided long screws to secure the heat sink to
the board and then connect the cooling fan's cable to the fan connector on H6052.
H6052 Hardware Reference Guide
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