AOpen AK77-333 - CPU and Housing Fan Connector (with H;W Monitoring)

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Plug in the CPU fan cable to the 3-pin CPU FAN connector. If you have chassis fan, you can also plug it on System Fan (FAN2)
or AUX Fan (FAN3) (without H/W monitoring) connector.
Note: Some CPU fans do not have
sensor pin, so that cannot support fan
monitoring.
CPU Fan Connector
FAN2 Connector
SENSOR
+12V
GND
FAN3 Connector
GND
+12V
SENSOR
SENSOR
+12V
GND