ASRock Fatal1ty X79 Champion manual Ground pin, ATX Power Connector

(3-pin CHA_FAN3)	CHA_FAN_SPEED
(see p.15 No. 12)	+12V
	GND
(3-pin PWR_FAN1)	GND
(see p.15 No. 48)	+12V
	PWR_FAN_SPEED

CPU Fan Connectors	Please connect the CPU fan
(4-pin CPU_FAN1)	cable to the connector and
(see p.15 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.

Pin 1-3 Connected

3-Pin Fan Installation

(3-pin CPU_FAN2)

(see p.15 No. 8)

ATX Power Connector 12 24

(24-pin ATXPWR1)

(see p.15 No. 11)

1 13

Please connect an ATX power supply to this connector.

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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