I/O Board Sega 837-14572, the latest revision JVS I/O board from Sega, this is suitable for Lindbergh, Ringwide and RingEdge, but will also work on Naomi, Tri-Force and Chihiro.
Original and second hand I/O board with good function.
I/O Board Sega 837-14572 Images
I/O Board Sega 837-14572
Please Note: there is minimum order of $200USD (more info)