[TUHS] pdp11 question

Carl Lowenstein carl.lowenstein at gmail.com
Fri Nov 19 05:27:31 AEST 2010

On Thu, Nov 18, 2010 at 10:57 AM, Norman Wilson <norman at oclsc.org> wrote:
> Just to loop things around a bit:
> Some of the larger VAXes used small PDP-11s (and their
> bastard offspring) as console processors.
> This started with the very first VAX, the 11/780, which
> used an 11/23 as a console.  The console ran a stripped-down
> system, possibly based on RT-11 or RSX-11, I forget (and
> am typing this on a train in the Outer Mongolia part of
> Texas where it's hard to look up references).

RT-11.  Original LSI-11 (quad card) or perhaps 11/2 (dual card).  The
processor card that was used in a system called 11/03.

11/780's predate 11/23's by a small number of years.

> I never knew a lot about this stuff and have forgotten much
> of what I did know, but perhaps my words will trigger others'
> memories.

Long time no hear from you.

    carl lowenstein         marine physical lab     u.c. san diego
                                                 clowenstein at ucsd.edu

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