| NEO-GEO | JAMMA | ||||||
| SOLDER | PART | SOLDER | PART. | ||||
| GND | A | 1 | GND | GND | A | 1 | GND |
| GND | B | 2 | GND | GND | B | 2 | GND |
| +5 V | C | 3 | +5 V | +5 V | C | 3 | +5 V |
| +5 V | D | 4 | +5 V | +5 V | D | 4 | +5 V |
| - | E | 5 | - | -5 V | E | 5 | -5 V |
| +12 V | F | 6 | +12 V | +12 V | F | 6 | +12 V |
| KEY | H | 7 | KEY | KEY | H | 7 | KEY |
| COUNT 2 | J | 8 | COUNT 1 | COUNT 2 | J | 8 | COUNT 1 |
| OUT 2 | K | 9 | OUT 1 | OUT 2 | K | 9 | OUT 1 |
| AUDIO L | L | 10 | AUDIO R | SPEAKER- | L | 10 | SPEAKER+ |
| TEST SW. | M | 11 | AUDIO + | - | M | 11 | - |
| GREEN | N | 12 | RED | GREEN | N | 12 | RED |
| SYNC | P | 13 | BLUE | SYNC | P | 13 | BLUE |
| SERVICE | R | 14 | V GND | SERVICE | R | 14 | V GND |
| COIN SW. 4 | S | 15 | COIN SW. 3 | TILT SW. | S | 15 | TEST SW. |
| COIN SW. 2 | T | 16 | COIN SW. 1 | COIN SW. 2 | T | 16 | COIN SW. 1 |
| START 2 | U | 17 | START 1 | START 2 | U | 17 | START 1 |
| P2 UP | V | 18 | P1 UP | P2 UP | V | 18 | P1 UP |
| P2 DOWN | W | 19 | P1 DOWN | P2 DOWN | W | 19 | P1 DOWN |
| P2 LEFT | X | 20 | P1 LEFT | P2 LEFT | X | 20 | P1 LEFT |
| P2 RIGHT | Y | 21 | P1 RIGHT | P2 RIGHT | Y | 21 | P1 RIGHT |
| P2 A | Z | 22 | P1 A | P2 1 | Z | 22 | P1 1 |
| P2 B | a | 23 | P1 B | P2 2 | a | 23 | P1 2 |
| P2 C | b | 24 | P1 C | P2 3 | b | 24 | P1 3 |
| P2 D | c | 25 | P1 D | - | c | 25 | - |
| DOWN | d | 26 | UP | - | d | 26 | - |
| GND | e | 27 | GND | GND | e | 27 | GND |
| GND | f | 28 | GND | GND | f | 28 | GND |