Systems Concepts SC-4 computer

Lyle Bickley lbickley at
Wed Feb 17 09:01:17 CST 2021

This was getting long - so I decided to "top post". Sorry ;)

Here's Peter Samson's comments after I sent him a copy of the proposal:

"Well how about that! (It was never built and the hardware was never
designed.) So many ideas and proposals never saw the light of day. I utterly
forgot about the SC-4, whatever it was supposed to be."

On Wed, 17 Feb 2021 07:13:26 +0000
Lars Brinkhoff <lars at> wrote:

> Phil Budne wrote:
> > From: Lyle Bickley via cctalk <cctalk at>  
> >>
> >> I contacted Peter Samson regarding a "SC-4" and this was his response:
> >> "There was an SC-40 (made after my time there) which was a fast
> >> PDP-10-compatible system. I don’t know of any SC-4 though."  
> >
> > The document that raised the question has his name and signature (or
> > the name and signature of *A* Peter R Samson) on it?
> >
> > I suppose one could say that SC-4 might be a marketing term that an
> > engineer might have forgotten, or chosen to have forgotten, but Peter
> > Samson's title in the document is Director of Marketing!
> >
> > The URL again:
> >
> >  
> I heard back from Fred Wright:
>  "Although I wasn't at SC in 1972, I'm pretty sure I would have heard of
>   the SC-4 if it had ever existed.  The document you linked was just a
>   proposal, and I imagine that that's as far as it ever got.  AFAIK, SC
>   didn't create any full-fledged computers between the SC-15 (1970) and
>   the SC-30 (1983)."

73   NM6Y
Bickley Consulting West

"Black holes are where God is dividing by zero"

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