ASROCK B650M - CPU Fan Connector; ATX Power Connector

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B650M-H/M.2+
CPU Fan Connector
(4-pin CPU_FAN1) (see p.5, No. 2)
is 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.
ATX Power Connector
(24-pin ATXPWR1) (see p.5, No. 5)
is motherboard provides a 24-pin ATX power connector. To use a 20-pin ATX
power supply, please plug it along Pin 1 and Pin 13.
ATXPWR1
12
1
24
13
CPU_FAN1
CPU_F
+12V
GND
AN_SPEED
FAN_SPEED_CON TROL
4 3 2 1