ASRock Z87 OC Formula manual ATX Power Connector Pin ATXPWR1 See p.11 or 12, No

Chassis, Power and MOS Fan Connectors (4-pin CHA_FAN1) (see p.11 or 12, No. 37)

(3-pin CHA_FAN2) (see p.11 or 12, No. 34)

(3-pin CHA_FAN3) (see p.11 or 12, No. 19)

(3-pin CHA_FAN4) (see p.11 or 12, No. 42)

(3-pin PWR_FAN1) (see p.11 or 12, No. 41)

GND

+12V

CHA_FAN_SPEED

FAN_SPEED_CONTROL

FAN_SPEED

+12V GND

GND

+ 12V

CHA_ FAN_SPEED

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

(3-pin MOS_FAN1)	GND
(see p.11 or 12, No. 43)	+12V
	MOS_FAN_SPEED

CPU Fan Connectors (4-pin CPU_FAN1) (see p.11 or 12, No. 3)

(3-pin CPU_FAN2) (see p.11 or 12, No. 4)

4 3 2 1

GN D

+ 12V

CPU_ FAN_SPEED

FAN_SPEED_CONTROL

GND

+12V

CPU_FAN_SPEED

This motherboard pro- vides a 4-Pin CPU fan (Quiet Fan) connector. If you plan to connect a 3-Pin CPU fan, please connect it to Pin 1-3.

English

ATX Power Connector	12	24
(24-pin ATXPWR1)
(see p.11 or 12, No. 12)
	1	13

This motherboard pro- vides a 24-pin ATX power connector. To use a 20-pin ATX power supply, please plug it along Pin 1 and Pin 13.

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