Installing and Replacing Desktop Board Components
Connecting the Front Panel Audio Header
Figure 12, 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 6 shows the pin assignments for the Intel HD Audio and Table 7 shows the pin assignments for AC ‘97 Audio.
Table 6. 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 |
4PRESENCE# (Dongle present)
6[Port 1] SENSE_RETURN
8Key (no pin)
10[Port 2] SENSE_RETURN
Table 7. Front Panel Audio Header for AC ‘97 Audio
Pin | Signal Name |
|
|
1 | MIC |
|
|
3 | MIC_BIAS |
|
|
5 | FP_OUT_R |
7AUD_5V
9FP_OUT_L
Pin | Signal Name |
|
|
2 | AUD_GND |
|
|
4 | AUD_GND |
6FP_RETURN_R
8KEY (no pin)
10FP_RETURN_L
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