EVGA X58 3X SLI - Manual (Page 29)

Audio
The audio connector supports HD audio standard and provides two kinds of
audio output choices: the Front Audio, the Rear Audio. The front Audio
supports re-tasking function.
Table 5. Front Audio Connector
Connector Pin Signal
1 PORT1_L
2 AUD_GND
3 PORT1_R
4 PRECENCE_J
5 PORT2_R
6 SENSE1_RETURN
7 SENSE_SEND
8 Empty
9 PORT2_L
Front Audio Connector
10 SENSE2_RETURN
9
7
5
3
1 10
8
6
4
2
Card Edge