For sale 128K Core RAM Industrial PDP 11/40 Massbus System

Ian S. King isking at
Mon Oct 31 14:36:29 CDT 2016

On Mon, Oct 31, 2016 at 12:29 PM, <COURYHOUSE at> wrote:

> ...
> I  wonder  if the  pdp-11 was  just  called   pdp-11 at t that point or
> was   a  pdp-11/20  like we  have..
> I know they are essentially the  same   at this  time  point they  got
> their  PDP 11  what  did it say on the front  panel  I wonder?
> (figuring all this stuff out  for titling up  the  cards in the 11/20
> display we are  planning.)

I think we had this discussion a while back, but I know that my 11/20 just
says 'PDP-11' on the front panel.  I've also seen them with '11/20', which
is almost certainly a later naming as the -11 line grew.

Ian S. King, MSIS, MSCS, Ph.D. Candidate
The Information School <>
Dissertation: "Why the Conversation Mattered: Constructing a Sociotechnical
Narrative Through a Design Lens

Archivist, Voices From the Rwanda Tribunal <>
Value Sensitive Design Research Lab <>

University of Washington

There is an old Vulcan saying: "Only Nixon could go to China."

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