ASRock 990FX Extreme3 To the fan connectors, Match the black wire to, Ground pin. CHAFAN1/2/3 fan

English

Chassis and Power Fan Connectors		Please connect the fan cables
(4-pin CHA_FAN1)		to the fan connectors and
(see p.2	No. 21)	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. 20)	UEFI or AXTU.
(3-pin CHA_FAN3)
(see p.2	No. 10)
(3-pin PWR_FAN1)
(see p.2	No. 35)
CPU Fan Connectors		Please connect the CPU fan
(4-pin CPU_FAN1)		cable to the connector and
(see p.2	No. 4)	match the black wire to the
	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

(3-pin CPU_FAN2)

(see p.2 No. 5)

ATX Power Connector		12	24	Please connect an ATX power
(24-pin ATXPWR1)				supply to this connector.
(see p.2 No. 9)
		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 990FX Extreme3 Motherboard