PDP-11 Operating Systems

Brent Hilpert hilpert at cs.ubc.ca
Fri Mar 11 18:50:29 CST 2011


On 2011 Mar 11, at 4:22 PM, Chuck Guzis wrote:
> On 11 Mar 2011 at 14:38, Brent Hilpert wrote:
>
>> It would be interesting then if the Fox-2 was PDP-11-based. That is,
>> did Foxboro give up on making their own hardware, take their
>> process-control software/OS and port it to PDP-11 hardware and then
>> sell rebadged PDP-11s?
>
> It's quite curious:
>
> http://www.isa.org/Template.cfm?Section=Books3&template=Ecommerce/File
> Display.cfm&ProductID=9373&file=About_the_Author_Caro.pdf
>
> seems to say that the Fox-2 preceded the Fox-1:
>
> "Foxboro Company was my next stop. I went to work immedi-
> ately on its PDP-8-based control systems. I led the team that
> converted its control systems to the PDP-11 as the FOX/2 and
> 2A. Later, I led the team that brought the FOX/1 to market in
> my first project as a department manager...
>
> The Fox-1 was a 24-bit system.

Well that is interesting, the naming and dating of material seemed to 
suggest the 2 followed the 1, but perhaps they were separate systems 
targetting different markets or plant size/scale.

I wonder what happened to the Fox-1 architecture and system as time 
went on.




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