ASROCK B650 PRO RS User Manual page 46

CPU Fan Connector
(4-pin CPU_FAN1) (see p.6, No. 4)
This motherboard provides a 4-Pin CPU fan (Quiet Fan) connector. If you plan to
connect a 3-Pin CPU fan, please connect it to Pin 1-3.
CPU/Water Pump Fan Connector
(4-pin CPU_FAN2/WP) (see p.6, No. 7)
This motherboard provides a 4-Pin water cooling CPU fan connector. If you plan
to connect a 3-Pin CPU water cooler fan, please connect it to Pin 1-3.
CPU_FAN1
4 3 2 1
GND
+12V
CPU_FAN_SPEED
FAN_SPEED_CONTROL
CPU_FAN2/WP
4 3 2 1
GND
FAN_VOLTAGE
CPU_F AN_SPEED
FAN_SPEED_CONTROL
B650 Pro RS
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