Embedded PDP-11 Processors

From: Dave McGuire <mcguire_at_neurotica.com>
Date: Tue Sep 18 20:06:35 2001

On September 18, Bill Pechter wrote:
> > DEC used embedded PDP-11 processors in many different places. There's
> > the console for some of the VAX systems, and I've read some of the
> > DECsystem-10 or DECSYSTEM-20 systems used a PDP-11 as a console system.
> > Other uses of the PDP-11 that I know of are the HSCxx controllers and
> > some of the printers. Where else did the PDP-11 get embedded? I know
> > the HSZxx/HSDxx/HSJxx controllers used an Intel i960 processor, so
> > there's no PDP-11 there.
> >
> > And speaking of the HSCxx controllers, are the PDP-11 controllers
> > customized or is there a standard QBUS or UNIBUS system in there?
>
> My last DEC Field Service experience was with HSC-50's.
> They had their own bus (no name known by field service).
> I thought they went from F11 CPUs to J11 CPUs in the later ones (HSC70).
>
> I wondered if they ever used 78032 (uVaxII chips) in some of them.

  Brian Hechinger and I just got a few HSC95s. They've got J11s in
them.

          -Dave

-- 
Dave McGuire
Laurel, MD
Received on Tue Sep 18 2001 - 20:06:35 BST

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