SNK Neo Geo MVS (Multi Video System) arcade boards use a unique 80-pin edge connector providing stereo audio, RGB video, multiple button inputs, and cartridge ROM interface for the Neo Geo cartridge slot system.
| Pin | Name | Function | Type |
|---|---|---|---|
| 1 | GND | Ground | GND |
| 2 | +5V | 5V supply | PWR |
| 3 | +12V | 12V supply | PWR |
| 4 | Audio L+ | Left audio positive | ADC |
| 5 | Audio L- | Left audio negative | ADC |
| 6 | Audio R+ | Right audio positive | ADC |
| 7 | Audio R- | Right audio negative | ADC |
| 8 | Video R | Red video | ADC |
| 9 | Video G | Green video | ADC |
| 10 | Video B | Blue video | ADC |
| 11 | Sync | Composite sync | BUS |
| 12 | P1 Up | Player 1 up | I/O |
| 13 | P1 Down | Player 1 down | I/O |
| 14 | P1 Left | Player 1 left | I/O |
| 15 | P1 Right | Player 1 right | I/O |
| 16 | P1 A | Player 1 button A | I/O |
| 17 | P1 B | Player 1 button B | I/O |
| 18 | P1 C | Player 1 button C | I/O |
| 19 | P1 D | Player 1 button D | I/O |
| 20 | GND | Ground | GND |
SNK Neo Geo MVS (Multi Video System) arcade boards use a unique 80-pin edge connector providing stereo audio, RGB video, multiple button inputs, and cartridge ROM interface for the Neo Geo cartridge slot system.