In a message dated 97-04-27 14:49:28 EDT, you write:
<< Markings: "DSI-780" on the front, and "Rev B Copyright 1986
Definicon" on the rear >>
The Definicon coprocessor board for the PC. You could basically
compile and run Fortran programs in the coprocessor. Not Mac
related. sorta dated now, but cool at the time.
Mine seems to have a bad Simm, and would fail periodically. I haven't used
it in years.
Kelly