ASRock B75M-GL R2.0 manual USB 2.0 Headers Besides four default USB

USB 2.0 Headers							Besides four default USB 2.0
(9-pin USB6_7)							ports on the I/O panel, there are
(see p.13, No. 19)							two USB 2.0 headers on this
							motherboard. Each USB 2.0
							header can support two USB 2.0
							ports.
		USB_PWR
(9-pin USB8_9)			P-9
					GND
				P+9
(see p.13, No. 20)	1					DUMMY
					GND
				P+8
			P-8
		USB_PWR

USB 3.0 Header

IntA_P0_D+

(19-pin USB3_2_3)

IntA_P0_D-

GND

IntA_P0_SSTX+

(see p.13, No. 9)

IntA_P0_SSTX-

GND

IntA_P0_SSRX+

IntA_P0_SSRX-

Vbus

1

Vbus

IntA_P1_SSRX-

IntA_P1_SSRX+

GND

IntA_P1_SSTX-

IntA_P1_SSTX+

GND

IntA_P1_D-

IntA_P1_D+

DUMMY

Besides two default USB 3.0 ports on the I/O panel, there is one USB 3.0 header on this motherboard. This USB 3.0 header can support two USB 3.0 ports.

Infrared Module Header	IRTX
(5-pin IR1)	+5VSB
	DUMMY
(see p.13, No. 22)	1
	GND
	IRRX

This header supports an optional wireless transmitting and receiving infrared module.

Consumer Infrared Module Header

(4-pin CIR1) 1

GND

IRTX

(see p.13, No. 21)IRRX

ATX+5VSB

This header can be used to connect the remote controller receiver.

Front Panel Audio Header		GND
(9-pin HD_AUDIO1)			PRESENCE#
				MIC_RET
(see p.13, No. 30)						OUT_RET
	1
						OUT2_L
					J_SENSE
				OUT2_R
			MIC2_R
		MIC2_L

This is an interface for front panel audio cable that allows convenient connection and control of audio devices.

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