nifty.
http://www.sieler.com/hp250/. I'm afraid to ask
what one would find inside the beast in the way of
logic. I'm sure Tony Duell wouldn't know, so don't ask
him. Tee hee
In which case I won't tell you that the main CPU seems to be one of those
HP BPC hybrid modules, similar to that used in the 9825, for example.
I'll also not tell you that there's a fair amount of documention,
including what seems to be a complete set of engineering drawings on the
Australian museum site,
http://www.hpmuseum.net
-tony