
EMB-Q77A
2-20
CAUTION: Do not forget to connect the fan cables to the fan connectors.
Insufcientairowinsidethesystemmaydamagethemotherboard
components. These are not jumpers! Do not place jumper caps on the fan
connectors!
NOTE: The CPU_FAN connector supports a CPU fan of maximum 2A (24 W)
fan power.
2. CPU and chassis fan connectors (4-pin CPU_FAN, 4-pin CHA_FAN)
Connect the fan cables to the fan connectors on the motherboard, ensuring
that the black wire of each cable matches the ground pin of the connector.
EMB-Q77A CPU fan connector
CPU_FAN
GND
VCC
SENSE
PWM
CHA_FAN
GND
VCC
SENSE
PWM
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