Product guide for Intel Desktop Board D2550DC2

Intel Desktop Board D2550DC2 Product Guide
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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