Just bought some stuff off ebay. Pretty happy about it. A pair of brand newSanwa JLWs, a Betson Imperial trackball, and 2 mystery boards. Grand total was apx $25. Here's where I need help.
The trackball has a sticker on the side of it that says HotRod Joystick, a serial number and some info about HanaHo. The casing is stamped "Betson Imperial" in several spots. It has a PS/2 connection on the end of the cord. Haven't plugged it in yet.
There was a small card in the bundle that says HotRod Controller v 1.1 on a sticker. Elsewhere on the PCB it says "HRJS-0012-A Reb B" Googling those terms gets me nothing. The board has 2 PS/2 ports on it and 32 pin headers (4 banks of

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The Mystery boards... I've not looked at yet. They were a toss in with the bundle. I'll post pics and details later.