Capcom CPS-2 (CP System II) arcade boards use a security-encrypted B-board that connects to an interchangeable A-board via a proprietary 96-pin DIN connector, requiring both boards to function.
| Pin | Name | Function | Type |
|---|---|---|---|
| 1 | GND | Ground | GND |
| 2 | +5V | 5V power | PWR |
| 3 | +12V | 12V power | PWR |
| 4-48 | Data/Address | Game ROM and CPU bus | BUS |
| 49-96 | Control/Video | Video and control signals | I/O |
Capcom CPS-2 (CP System II) arcade boards use a security-encrypted B-board that connects to an interchangeable A-board via a proprietary 96-pin DIN connector, requiring both boards to function.