This trackball fits fine in all of the diyretroarcade control deckboards for 2.25 inch trackballs. It works well on the 60-in-1 iCade board, but shines even more on better system boards like the ArcadeSD Jamma. If you are wiring it into a Jamma harness, you will need to know the pin out and wire colors in order to figure out how to do it. Pin out is as follows:
pin 1: +5V, yellow wire
pin 2: Y-Dir, white wire
pin 3: Y-Clk, black wire
pin 4: X-Dir, green wire
pin 5: X-Clk, red wire
pin 6: Ground, blue wire