| Pin | Name | Description |
|---|---|---|
| 1 | VCC | +5V power supply |
| 2 | VCC | +5V power supply |
| 3 | GND | Ground |
| 4 | AC97CLK | 24.5 MHz clock output |
| 5 | GND | Ground |
| 6 | GP_SPDIFIN#2 | SPDIF input signal |
| 7 | GND | Ground |
| 8 | GND | Ground |
| 9 | SPDIFO#3 | SPDIF Out signal |
| 10 | GPO1 | General Purpose Output #1 |
| 11 | GPO2 | General Purpose Output #2 |
| 12 | GND | Ground |
| 13 | GPO0 | General Purpose Output #0 |
| 14 | GND | Ground |
| 15 | GP_SPDIFIN1 | SPDIF Input signal |
| 16 | GND | Ground |
| 17 | SPDIFO#0 | SPDIF Out signal |
| 18 | GND | Ground |
| 19 | SPDIFO#1 | SPDIF Out signal |
| 20 | GND | Ground |
| 21 | GND | Ground |
| 22 | SPDIFO#2 | SPDIF Out signal |
| 23 | GPI0 | Digital Input (GP Input 0; Reserved) |
| 24 | GPI1 | Digital Input, (GP Input 1; Reserved) |
| 25 | OUTMIDI | MIDI Output |
| 26 | GND | Ground |
| 27 | INMIDI | MIDI Input |
| 28 | GND | Ground |
| 29 | KEY | |
| 30 | KEY | |
| 31 | ADCSDO2 | I2S audio data input. |
| 32 | GND | Ground |
| 33 | ADCSDO1 | I2S audio data input. |
| 34 | GND | Ground |
| 35 | ADCSDO0 | I2S audio data input. |
| 36 | GND | Ground |
| 37 | I2SCLK | I2S serial bit clock. |
| 38 | GND | Ground |
| 39 | I2SFS | Frame sync. |
| 40 | GND | Ground |
Note: ADC stands for Analog-to-Digital Converter