ASROCK B75M-DGS R2.0 User Manual download pdf (Page 29)

Chassis and Power Fan Connectors Please connect the fan cables

(4-pin CHA_FAN1)

to the fan connectors and match

(see p.14, No. 27)

the black wire to the ground pin.

CHA_FAN1 supports Fan

(3-pin PWR_FAN1)

Control.

(see p.14, No. 2)

CPU Fan Connector Please connect the CPU fan

(4-pin CPU_FAN1)

cable to the connector and

(see p.14, 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.

3-Pin Fan Installation

Pin 1-3 Connected

ATX Power Connector Please connect an ATX power

(24-pin ATXPWR1)

supply to this connector.

(see p.14, No. 3)

ATX 12V Power Connector Please connect an ATX 12V

(4-pin ATX12V1)

power supply to this connector.

(see p.14, No. 1)

FAN_SPEED_CONTROL

GND

+12V

CHA_FAN_SPEED

GND

+ 12V

CPU_FAN_SPEED

FAN_SPEED_CONTROL

4 3 2 1

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

24 13

12 1

24 13

12 1

Chassis Speaker Header Please connect the chassis

(4-pin SPEAKER 1)

speaker to this header.

(see p.14, No. 16)

1 2 ... 24 25 26 27 28 29 30 31 32 33 34 ... 62 63

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ASROCK B75M-DGS R2.0 User Manual Page 29

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