Intel I-45C Front Panel Audio Connection Header, Driver Configuration for AC’97 audio connection

1.7.5 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.

Driver Configuration for AC’97 audio connection:

The audio driver is originally configured to support HD Audio. For AC’97 audio connection, you may:

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

1.Right-click the “Realtek HD

Audio Manager” icon in system tray.

2.Click “Audio I/O” tab, and then click “Connector Settings”.

3.Click “Disabled front panel jack detection”, and then click “OK” to confirm.

I-45C/I-45CV 11