Internal Audio Connectors; Front Panel Audio Connection Header - Abit IB9 Manual Del Usuario

1.8.4 Internal Audio Connectors

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

1.8.5 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.
1-16
Pin Assignment
Pin
(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 Assignment
Pin
(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
IB9