Actually it's the nicest 4000 board you can find. They never have battery leakage, they always have (from factory) kickstart 3.1 and buster 11. It is the last revision made. I (and many others) strongly prefer this above a normal revision B board.
They will work fine with any turbocard, provided you add a 50mhz crystal. My offer to help out if needed is still open, I can solder a socket if you need it.
True that