ASRock Z77 Extreme3 manual CPU Fan Connectors, ATX Power Connector, Supply to this connector

Chassis and Power Fan Connectors

(4-pin CHA_FAN1)

(see p.15, No. 20)	GND
	FAN_SPEED_CONTROL +12V
	CHA_FAN_SPEED

(3-pin CHA_FAN2)

(see p.15, No. 34)

(3-pin CHA_FAN3)

(see p.15, No. 10)

(3-pin PWR_FAN1)

(see p.15, No. 5)

Please connect the fan cables to the fan connectors and match the black wire to the ground pin. CHA_FAN1, CHA_FAN2 and CHA_FAN3 support Fan Control.

CPU Fan Connectors	FAN_SPEED_CONTROL
(4-pin CPU_FAN1)	CPU_FAN_SPEED
(see p.15, No. 3)	+12V
	GND
	1	2	3	4

Please connect the CPU fan cable to the connector and 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.

Pin 1-3 Connected

3-Pin Fan Installation

(3-pin CPU_FAN2)	GND
(see p.15, No. 4)	+12V
	CPU_FAN_SPEED

ATX Power Connector	12	24	Please connect an ATX power
(24-pin ATXPWR1)			supply to this connector.
(see p.15, No. 8)
	1	13

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.

20-Pin ATX Power Supply Installation

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