Here's a couple quick pics of the board (click for full res).





Though I also doubt the unit can self program the VIN and options, I have seen mention of a learn procedure for the VATS resistor value over on cf. I guess I'll have a deep reading assignment on my plate when the FSM arrives.

I'm very reluctant to drop $370 on a chinese clone tech2 for fear the only thing I'll learn is that it can't talk to this antique module.