ASRock A75iCafe manual USB 3.0 Header

USB 3.0 Header

IntA_P2_D+

(19-pin USB3_2_3)

IntA_P2_D-

GND

IntA_P2_SSTX+

(see p.12 No. 8)

IntA_P2_SSTX-

GND

IntA_P2_SSRX+

IntA_P2_SSRX-

Vbus

1

Vbus

IntA_P1_SSRX-

IntA_P1_SSRX+

GND

IntA_P1_SSTX-

IntA_P1_SSTX+

GND

IntA_P1_D-

IntA_P1_D+

ID

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.12 No. 24)
	1
	GND
	IRRX

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

Front Panel Audio Header		GND
(9-pin HD_AUDIO1)			PRESENCE#
				MIC_RET
						OUT_RET
(see p.12 No. 27)	1
						OUT2_L
					J_SENSE
				OUT2_R
			MIC2_R
		MIC2_L

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

1.High Definition Audio supports Jack Sensing, but the panel wire on the chassis must support HDA to function correctly. Please follow the instruction in our manual and chassis manual to install your system.

2.If you use AC’97 audio panel, please install it to the front panel audio header as below:

A.Connect Mic_IN (MIC) to MIC2_L.

B.Connect Audio_R (RIN) to OUT2_R and Audio_L (LIN) to OUT2_L.

C.Connect Ground (GND) to Ground (GND).

D.MIC_RET and OUT_RET are for HD audio panel only. You don’t need to connect them for AC’97 audio panel.

E.To activate the front mic.

For Windows® XP / XP 64-bit OS:

Select “Mixer”. Select “Recorder”. Then click “FrontMic”. For Windows® 7 / 7 64-bit / VistaTM / VistaTM 64-bit OS:

Go to the "FrontMic" Tab in the Realtek Control panel. Adjust “Recording Volume”.

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