ASRock B550M Pro RS User Manual - Page 44
ATX Power Connector
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B550M Pro RS CPU Fan Connector (4-pin CPU_FAN1) (see p.6, No. 2) 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_FAN1 4 3 21 GND +12V CPU_FAN_SPEED FAN_SPEED_CONTROL ATX Power Connector (24-pin ATXPWR1) (see p.6, No. 7) This 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 24 1 13 English 41
English
41
B550M Pro RS
CPU Fan Connector
(4-pin CPU_FAN1) (see p.6, 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.6, No. 7)
°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_CONTROL
4
3
2
1