ASRock P67 Pro Chassis and Power Fan Connectors, Cable to the connector, Match the black wire to

Chassis and Power Fan Connectors

(4-pin CHA_FAN1)

(see p.2	No. 23)	FAN_SPEED_CONTROL +12V
		GND
		CHA_FAN_SPEED
(3-pin CHA_FAN2)
(see p.2	No. 17)
(3-pin CHA_FAN3)		GND
(see p.2	No. 7)	+12V
		CHA_FAN_SPEED
(3-pin PWR_FAN1)		PWR_FAN_SPEED
		+12V
(see p.2	No. 2)	GND

Please connect the fan cables to the fan connectors and match the black wire to the ground pin.

CPU Fan Connectors	4 3 2 1	Please connect the CPU fan
(4-pin CPU_FAN1)		cable to the connector and
(see p.2 No. 36)	+12V	match the black wire to the
	GND
	CPU_FAN_SPEED	ground pin.
	FAN_SPEED_CONTROL

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

(3-pin CPU_FAN2)

(see p.2 No. 35)

ATX Power Connector		12	24	Please connect an ATX power
(24-pin ATXPWR1)				supply to this connector.
(see p.2 No. 6)
		1	13
	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

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ASRock P67 Pro Motherboard