The Gamepad Joint PCB is not an IOThat IO is unknown to me (it looks like a more compact version of the USB IO).
USB IO first appearing with the SF5 control panels/for location tests in Japan.
The Z connector however has been included on a few different IO PCBs.
Notice it at the top of this JVS (version 2) "L PCB" IO below.
As I recall its only official use so far has been for analog pedals/controls of Half Life Arcade.
No you are correct but I don’t want to confuse people it’s almost like a secondary IO. And requires power from a primary cabinet IO. You are right.Technically speaking ANYHTING that takes raw inputs and encodes them into a compressed/digital signal IS an INPUT OUTPUT board.
I do understand what you are saying.