| For Intel® High Definition Front Panel Audio |
| Pin | Signal Name | Description |
| 1 | PORT 1L | Analog Port 1 - left channel (Microphone) |
| 2 | GND | Ground |
| 3 | PORT 1R | Analog Port 1 - right channel (Microphone) |
| 4 | PRESENCE# | Active low signal that signals BIOS that an Intel® HD Audio dongle is connected to the analog header. PRESENCE# = 0 when an Intel® HD Audio dongle is connected |
| 5 | PORT 2R | Analog Port 2 - right channel (Headphone) |
| 6 | SENSE1_RETURN | Jack detection return for front panel (JACK1) |
| 7 | SENSE_SEND | Jack detection sense line from the Intel® HD Audio CODEC jack detection resistor network |
| 8 | KEY | Connector key |
| 9 | PORT 2L | Analog Port 2 - left channel (Headphone) |
| 10 | SENSE2_RETURN | Jack detection return for front panel (JACK2) |
| For AC-97 Front Panel Audio |
| Pin | Signal Name | Description |
| 1 | MIC | Front panel microphone input signal (biased when supporting stereo microphone) |
| 2 | AUD_GND | Ground used by analog |
| 3 | MIC_BIAS | Microphone power / additional MIC input for stereo microphone support |
| 4 | AUD_GND | Ground used by analog audio circuits |
| 5 | FP_OUT_R | Right channel audio signal to front panel (headphone drive capable) |
| 6 | FP_RETURN_R | Right channel audio signal return from front panel (when headphones unplugged) |
| 7 | AUD_5V | Filtered +5 V used by analog audio circuits |
| 8 | KEY | No pin |
| 9 | FP_OUT_L | Left channel audio signal to front panel (headphone drive capable) |
| 10 | FP_RETURN_L | Left channel audio signal return from front panel (when headphones unplugged) |