ASRock B75 Pro3-M manual ATX Power Connector

ATX Power Connector 12 24

(24-pin ATXPWR1)

(see p.2, No. 8)

1 13

Please connect an ATX power supply to this connector.

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

1224

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ATX 12V Power Connector	Please connect an ATX 12V
(8-pin ATX12V1)	power supply to this connector.
(see p.2, No. 2)

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.

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4-Pin ATX 12V Power Supply Installation 4 1

Serial port Header	This COM1 header supports a
(9-pin COM1)	serial port module.
(see p.2, No. 29)

HDMI_SPDIF Header	HDMI_SPDIF header, providing
(2-pin HDMI_SPDIF1)	SPDIF audio output to HDMI
(see p.2, No. 30)	VGA 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.

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ASRock B75 Pro3-M Motherboard