Hello, Thanks for the Info.
The board is a standard Rumba board, with Repetier firmware. Manufacturer went out off business in 2017. I did track the man down on LinkedIn but Unfortunately he doesn't see the need to mail with me, so that's a death end.
So It looks like the only safe route I can take is buy a new board to experiment and keep the old one as backup. Or just take the plunge and flash the firmware hoping I get it to function. I need to think on that.
Greetings.