ASRock ZH77 Pro3 manual Chassis and Power Fan Connectors, CPU Fan Connectors, ATX Power Connector

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ASRock ZH77 Pro3 Motherboard

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Please connect an ATX power supply to this connector.

GND +12V

CPU_FAN_SPEED

1 2 3 4

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

FAN_SPEED_CONTROL CPU_FAN_SPEED

+12V GND

Please connect the CPU fan cable to the connector and match the black wire to the ground pin.

FAN_SPEED_CONTROL CHA_FAN_SPEED +12V GND

Please connect the chassis power LED to this header to indicate system power status. The LED is on when the system is operating. The LED keeps blinking in S1/S3 state. The LED is off in S4 state or S5 state (power off).

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

English

Power LED Header

(3-pin PLED1)

(see p.2, No. 19)

Chassis and Power Fan Connectors

(4-pin CHA_FAN1)

(see p.2, No. 7)

(3-pin CHA_FAN2)

(see p.2, No. 21)

(3-pin PWR_FAN1)

(see p.2, No. 35)

CPU Fan Connectors

(4-pin CPU_FAN1)

(see p.2, No. 1)

(3-pin CPU_FAN2)

(see p.2, No. 2)

ATX Power Connector

(24-pin ATXPWR1)

(see p.2, No. 8)

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