ASRock 990FX Extreme3 manual Infrared Module Header This header supports an

(9-pin USB10_11)

(see p.12 No. 25)

Infrared Module Header	This header supports an
(5-pin IR1)	optional wireless transmitting
(see p.12 No. 27)	and receiving infrared module.
Front Panel Audio Header	This is an interface for the front
(9-pin HD_AUDIO1)	panel audio cable that allows
(see p.12 No. 28)	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 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 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”.

System Panel Header	This header accommodates
(9-pin PANEL1)	several system front panel
(see p.12 No. 19)	functions.

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