Abit AB9 QuadGT, User Manual

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1-18 AB9 QuadGT
1.8.5 Internal Audio Connectors
This connector connects to the audio output of internal CD-ROM drive or add-on card.
1.8.6 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)
Pin Pin Assignment
(AC’97 AUDIO)
1 MIC2 L 1 MIC In
2 AGND 2 GND
3 MIC2 R 3 MIC Power
4 AVCC 4 NC
5 FRO-R 5 Line Out (R)
6 MIC2_JD 6 NC
7 F_IO_SEN 7 NC
9 FRO-L 9 Line Out (L)
10 LINE2_JD 10 NC