Abit IL-90MV manual Internal Audio Connectors, Front Panel Audio Connection Header

2.6.5 Internal Audio Connectors

This connector connects to the audio output of internal CD-ROM drive or add-on card.

2.6.6 Front Panel Audio Connection Header

This header provides the front panel connection for HD (High Definition) Audio, yet for AC’97 Audio CODEC connection, you must carefully check the pin assignment before connecting from the front panel module. An incorrect connection may cause malfunction or even damage the motherboard.

※Please do not connect the “Ground” cable or “USB VCC” cable from the front panel module to the Pin 4 “AVCC” of this header.

Pin	Pin Assignment
	(HD AUDIO)
1	MIC2 L
2	AGND
3	MIC2 R
4	AVCC
5	FRO-R
6	MIC2_JD
7	F_IO_SEN
9	FRO-L
10	LINE2_JD

Pin	Pin Assignment
	(AC’97 AUDIO)
1	MIC In
2	GND
3	MIC Power
4	NC
5	Line Out (R)
6	NC
7	NC
9	Line Out (L)
10	NC

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