ASRock P55 Pro/USB3 [24/244] English english english english english

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ASRock P55 Pro/USB3 Motherboard

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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

(8-pin ATX12V1) power supply to this connector.

(see p.2 No. 2)

Serial port Header This COM1 header supports a

(9-pin COM1) serial port module.

(see p.2 No.31)

HDMI_SPDIF Header HDMI_SPDIF header, providing

(2-pin HDMI_SPDIF1) SPDIF audio output to HDMI VGA

(see p.2 No. 32) card, allows the system to

connect HDMI Digital TV/

projector/LCD devices. Please

connect the HDMI_SPDIF

connector of HDMI VGA card to

this header.

4-Pin ATX 12V Power Supply Installation

Though this motherboard provides 8-pin ATX 12V power connector, it can still work

if you adopt a traditional 4-pin ATX 12V power supply. To use the 4-pin ATX power

supply, please plug your power supply along with Pin 1 and Pin 5.

8 5

4 1

8 5

4 1

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. 8)