RSTS processor identification - test-drb@ccmp.vtda.org

6 Mar 2021

...
  From: Paul Koning 
...
  Here is an outline (not all the details) of the
hardware scan flow:
 ...
 2. Make sure the MMU exist; if not, halt.
 ...
 If it has FIS, it can only be an 11/40. 
You probably know this already, but the KEV1-A floating point chip for
the LSI-11 also implemenred FIS. (Of course, the LSI-11 would fail
step 2, so it's not really a factor here.)

	Noel