| Pin | Name | Dir | Description |
|---|---|---|---|
| 1 | GND | Ground | |
| 2 | n/c | - | Not connected |
| 3 | SELECT | Select Button | |
| 4 | BUTTOND | "D" Button | |
| 5 | BUTTONB | "B" Button | |
| 6 | RIGHT | Right | |
| 7 | DOWN | Down | |
| 8 | +5V | +5V (See Notes) | |
| 9 | BUTTOND | "D" Button | |
| 10 | n/c | - | Not connected |
| 11 | START | Start Button | |
| 12 | BUTTONC | "C" Button | |
| 13 | BUTTONA | "A" Button | |
| 14 | LEFT | Left | |
| 15 | UP | Up |
- Pin 8 provides +5v to the controller. This is unused in the original stick, but is mandatory for proper use of the pads and new-style sticks.
- There are two D pins. While the controller returns low for both pins 9 and 4, only 4 is 'listened' to by the machine.

