ASRock FM2A75M-DGS Chassis and Power Fan Connectors, CPU Fan Connectors, Cable to the connector

Chassis and Power Fan Connectors

(4-pin CHA_FAN1)	GND
(see p.2 No. 16)	+12V
	CHA_FAN_SPEED
	FAN_SPEED_CONTROL

(3-pin PWR_FAN1)

(see p.2 No. 31)

Please connect the fan cables to the fan connectors and match the black wire to the ground pin. CHA_FAN1 fan speed can be controlled through UEFI or AXTU.

English

CPU Fan Connectors	FAN_SPEED_CONTROL				Please connect the CPU fan
(4-pin CPU_FAN1)	CPU_FAN_SPEED				cable to the connector and
(see p.2 No. 4)	+12V				match the black wire to the
	GND
	1	2	3	4	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.

			Pin 1-3 Connected
			3-Pin Fan Installation
ATX Power Connector	12	24	Please connect an ATX power
(24-pin ATXPWR1)			supply to this connector.

(see p.2 No. 6)

113

	Though this motherboard provides 24-pin ATX power connector,		12	24
	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.
		20-Pin ATX Power Supply Installation	1	13
ATX 12V Power Connector		Please connect an ATX 12V
(4-pin ATX12V1)		power supply to this connector.
(see p.2, No. 1)
Serial port Header		This COM1 header supports a
(9-pin COM1)		serial port module.
(see p.2 No.24)

20

ASRock FM2A75M-DGS Motherboard