Asrock B75M User Manual download pdf (Page 30)

ASRock B75M Motherboard

Chassis and Power Fan Connectors Please connect the fan cables

(4-pin CHA_FAN1)

to the fan connectors and match

(see p.2, No. 10)

the black wire to the ground pin.

CHA_FAN1 supports Fan

(3-pin PWR_FAN1)

Control.

(see p.2, No. 1)

GND

+12V

PWR_FAN_SPEED

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

ground pin.

CHA_FAN_SPEED

FAN_SPEED_CONTROL

+12V

GND

CPU_FAN_SPEED

FAN_SPEED_CONTROL

1234

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.2, No. 6)

20-Pin ATX Power Supply Installation

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.

ATX 12V Power Connector Please connect an ATX 12V

(4-pin ATX12V1)

power supply to this connector.

(see p.2, No. 2)

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Comments to this Manuals

DarrickNuh 22 Feb 2024 | 15:10:06

Hello Guys, Glad to Join! :)

Asrock B75M User Manual Page 30

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