ASRock H77TM-ITX manual Front Panel Audio Header

Front Panel Audio Header

(9-pin HD_AUDIO1) (see p.13/15/17, No. 26)

GND PRESENCE#

MIC_RET

OUT_RET

1

OUT2_L

J_SENSE

OUT2_R

MIC2_R MIC2_L

This is an interface for the front panel audio cable that allows convenient connec- tion 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 instructions in our manual and chassis manual to install your system.

2.If you use an AC’97 audio panel, please install it to the front panel audio header by the steps 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® 8 / 8 64-bit / 7 / 7 64-bit / VistaTM / VistaTM

64-bit OS:

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

Analog Surround

Audio Header

(17-pin HD_AUDIO2) (see p.13/15/17, No. 27)

2

	PIN	Signal Name	PIN	Signal Name
	18	SENSE	17	KEY
	16	LFE	15	A_GND
	14	A_GND	13	Center
	12	Surr_Rear_R	11	A_GND
	10	A_GND	9	Surr_Rear_L
	8	Surr_Side_R	7	A_GND
	6	A_GND	5	Surr_Side_L
1	4	Front_R	3	A_GND
	2	A_GND	1	Front_L

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