ASRock 990FX Extreme4 Internal Audio Connectors This connector allows you, Cd-Rom, Dvd-Rom, Tv

Internal Audio Connectors		This connector allows you
(4-pin CD1)	CD1	to receive stereo audio input
(CD1: see p.12 No. 42)		from sound sources such as
		a CD-ROM, DVD-ROM, TV
		tuner card, or MPEG card.

Front Panel Audio Header		1
	MIC2_L	GND
(9-pin HD_AUDIO1)	MIC2_R	PRESENCE#
(see p.12 No. 43)	OUT2_R	MIC_RET
	J_SENSE
	OUT2_L	OUT_RET

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”.

System Panel Header	This header accommodates
(9-pin PANEL1)	several system front panel
(see p.12 No. 29)	functions.

Connect the power switch, reset switch and system status indicator on the chassis to this header according to the pin assignments below. Note the positive and negative pins before connecting the cables.

PWRBTN (Power Switch):

Connect to the power switch on the chassis front panel. You may con- figure the way to turn off your system using the power switch.

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