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Table 16. Front Panel Audio Header for Intel HD Audio
Pin
Signal Name
1
[Port 1] Left channel
3
[Port 1] Right channel
5
[Port 2] Right channel
7
SENSE_SEND (Jack detection)
9
[Port 2] Left channel
Table 17. Front Panel Audio Header for AC '97 Audio
Pin
Signal Name
1
MIC
3
MIC_BIAS
5
FP_OUT_R
7
N/A
9
FP_OUT_L
Table 18. Intel HD Audio Link Header
Pin
Signal Name
1
BCLK
3
RST#
5
SYNC
7
SDO
9
SDI0
11
SDI1
13
Not connected
15
Not connected
Table 19. S/PDIF Header
Pin
Signal Name
1
Ground
2
S/PDIF out
3
Key (no pin)
3
+5V_DC
Pin
Signal Name
2
Ground
4
PRESENCE# (Dongle present)
6
[Port 1] SENSE_RETURN
8
Key (no pin)
10
[Port 2] SENSE_RETURN
Pin
Signal Name
2
AUD_GND
4
AUD_GND
6
FP_RETURN_R
8
Key (no pin)
10
FP_RETURN_L
Pin
Signal Name
2
Ground
4
DVDD IO
6
Ground
8
3.3 V DVDD CORE
10
+12 V
12
Key (no pin)
14
3.3 V DUAL
16
Ground
Technical Reference
47
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