ASRock FM2A75 Pro4 - Manual (Page 27)

27
ASRock FM2A75 Pro4 Motherboard
English
CPU Fan Connectors Please connect the CPU fan
(4-pin CPU_FAN1) cable to the connector and
(see p.2 No. 5) match the black wire to the
ground pin.
Though this motherboard provides 4-Pin CPU fan (Quiet Fan) support, the 3-Pin
CPU fan still can work successfully even without the fan speed control function.
If you plan to connect the 3-Pin CPU fan to the CPU fan connector on this
motherboard, please connect it to Pin 1-3.
ATX Power Connector Please connect an ATX power
(24-pin ATXPWR1) supply to this connector.
(see p.2 No. 9)
12
1
Though this motherboard provides 24-pin ATX power connector,
it can still work if you adopt a traditional 20-pin ATX power supply.
To use the 20-pin ATX power supply, please plug your power
supply along with Pin 1 and Pin 13.
(3-pin CPU_FAN2)
(see p.2 No. 6)
20-Pin ATX Power Supply Installation
Pin 1-3 Connected
3-Pin Fan Installation
12
1
24
13
24
13
GND
+12V
CPU_FAN_SPEED
FAN_SPEED_CONTROL
1 2 3 4
GND
+12V
CPU_FAN_SPEED
Chassis and Power Fan Connectors Please connect the fan cables
(4-pin CHA_FAN1) to the fan connectors and
(see p.2 No. 22) match the black wire to the
ground pin. CHA_FAN1/2/3 fan
(3-pin CHA_FAN2) speed can be controlled through
(see p.2 No. 41) UEFI or AXTU.
(3-pin CHA_FAN3)
(see p.2 No. 42)
(3-pin PWR_FAN1)
(see p.2 No. 1)