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

ATX Power Connector

12

24

Please connect an ATX power

(24-pin ATXPWR1)

 

 

supply to this connector.

 

(see p.2 No. 3)

 

 

 

 

 

 

1

13

 

 

 

 

 

 

Though this motherboard provides 24-pin ATX power connector, 12

24

 

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-PinATX Power Supply Installation

13

 

 

 

 

1

 

 

 

 

 

 

 

 

 

 

 

ATX 12V Power Connector

 

 

Please note that it is necessary

(4-pin ATX12V1)

 

 

to connect a power supply with

(see p.2 No. 2)

 

 

ATX 12V plug to this connector.

 

 

 

 

Failing to do so will cause power

 

 

 

 

up failure.

 

 

 

 

 

Serial port Header

 

 

This COM1 header supports a

(9-pin COM1)

 

 

serial port module.

 

(see p.2 No.32)

 

 

 

 

English

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ASRock A780FullHD Motherboard

Page 26
Image 26
Century A780FULLHD ATX Power Connector Please connect an ATX power, Supply to this connector, Serial port module