Intel D2550DC2 Product guide for Intel Desktop Board D2550DC2 - Page 34

Connecting to the Front Panel Audio Header, Table 5., Front Panel Audio Header for Intel HD Audio

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Intel Desktop Board D2550DC2 Product Guide Connecting to the Front Panel Audio Header Figure 11, A shows the location of the front panel audio header. The front panel audio header can be used for both Intel HD Audio and AC '97 Audio. Table 5 shows the pin assignments for the Intel HD Audio and Table 6 shows the pin assignments for AC '97 Audio. Table 5. 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 Pin Signal Name 2 Ground 4 PRESENCE# (Dongle present) 6 [Port 1] SENSE_RETURN 8 Key (no pin) 10 [Port 2] SENSE_RETURN Table 6. Front Panel Audio Header for AC '97 Audio Pin Signal Name Pin Signal Name 1 MIC 2 AUD_GND 3 MIC_BIAS 5 FP_OUT_R 7 AUD_5V 4 AUD_GND 6 FP_RETURN_R 8 KEY (no pin) 9 FP_OUT_L 10 FP_RETURN_L 34

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Intel Desktop Board D2550DC2 Product Guide
34
Connecting to the Front Panel Audio Header
Figure 11, A shows the location of the front panel audio header.
The front panel audio
header can be used for both Intel HD Audio and AC ‘97 Audio.
Table 5 shows the pin assignments for the Intel HD Audio and Table 6 shows the pin
assignments for AC ‘97 Audio.
Table 5.
Front Panel Audio Header for Intel HD Audio
Pin
Signal Name
Pin
Signal Name
1
[Port 1] Left channel
2
Ground
3
[Port 1] Right channel
4
PRESENCE# (Dongle present)
5
[Port 2] Right channel
6
[Port 1] SENSE_RETURN
7
SENSE_SEND (Jack detection)
8
Key (no pin)
9
[Port 2] Left channel
10
[Port 2] SENSE_RETURN
Table 6.
Front Panel Audio Header for AC ‘97 Audio
Pin
Signal Name
Pin
Signal Name
1
MIC
2
AUD_GND
3
MIC_BIAS
4
AUD_GND
5
FP_OUT_R
6
FP_RETURN_R
7
AUD_5V
8
KEY (no pin)
9
FP_OUT_L
10
FP_RETURN_L