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AMD 790GX User's Manual
Pin
Pin Assignment
Pin
Pin Assignment
1
VCC
2
VCC
3
Data 0-
4
Data 0-
5
Data 0+
6
Data 0+
7
Ground
8
Ground
9
No Pin
10
NC
3.12 Additional USB Port Headers
3.13 Front Panel Audio & Internal Audio Connectors
CD_IN:
Pin No.
Definition
1
CD-L
2
GND
3
GND
4
CD-R
Pin No.
Header
HD Audio Definition
AC97 Audio Definition
1
PORT1L
Microphone
Microphone
2
AGND
Ground
Ground
3
PORT1R
Microphone
N/A
4
PRESENCE#
Detection sense line from front HD audio.
N/A
5
PORT2R
Right Channel
Right Channel
6
SENSE1_RETURN
To detect Microphone sense.
N/A
7
SENSE_SEND
Send Jack detection sense from the high definition audio codec.
N/A
8
No Pin
N/A
N/A
9
PORT2L
Left Channel
Left Channel
10
SENSE2_RETURN
To detect Right and Left channel
N/A
