[Info-vax] Dave Cutler, Prism, DEC, Microsoft, etc.

[glen herrmannsfeldt]

Rich Alderson <news at alderson.users.panix.com> wrote:
 
(snip)
 
> 18 bit: PDP-1, and PDP-4/-7/-9/-15.  The latter were upwards code compatible,
>        but not the PDP-1.  That's 1.5 in my count. 
 
> 12 bit: PDP-5, PDP-8, -8s, -8i/l, -8e/f/m, -8A.  That's another 1, for a total
>        of 2.5.
 
> 36 bit: PDP-6, PDP-10 = KA10, KI10, KL10, KS10.  That's another 1, for a total
>        of 3.5.
 
> 16 bit: PDP-11 in all its forms and variations.  That's another 1, for a total
>        4.5.

So you don't count VAX as a separate architecture, or not a PDP?

-- glen