| Pin Number |
Pin 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 | No pin |
| 9 | PORT 2L | Analog Port 2 - Left channel (Headphone) |
| 10 | SENSE2_RETURN | Jack detection return for front panel (JACK2) |
Consult the "Front Panel I/O Connectivity Design Guide", p. 22 for more details

