> Was there ever a commercial 32-bit machine built with 2901s? Other bit
> slice devices?
The Symbolics 3640 I saw used AMD bit slice chips. I can not remember
what type exactly, but definitely AMD stuff. The word size is 32 (or
36?) bit. You may have a look at
http://kogs-www.informatik.uni-hamburg.de/~moeller/symbolics-info/symbolics.html