English – ASRock H77M-ITX User Manual

Page 27

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ASRock H77M-ITX Motherboard

English

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. 9)

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. 19)