On Jun 7, 22:58, ajp166 wrote:
> From: Pete Turnbull <pete_at_dunnington.u-net.com>
> >like that. But a box labeled 11/53 and having an 11/23 procssor in it
> is
> > an 11/23, not an 11/53. It won't run RSX-11M or Ultrix configured for
> an
> >11/53, or various things.
>
>
> An 11/23 would run RSX-11 just not the I&D kernal, same for Ultrix
> depending on version.
Of course, but what I wrote was that a kernel configured for amn 11/53
wouldn't run on an 11/23. It would have to be re-SYSGENed.
> >I'm surprised you say it's common. I can see that in a few cases the
> >processor might be removed to use elsewhere
> It was happening when the processors were NEW. Seems it made a very
> compact fairly fast system if the DEC box was not used. However early on
> getting the bare CPU was difficult so people bout 11/53s, snatched the
> cpu
> and resold them with commonly available 11/23s (as Micropdp-11s)
Oh, I see. I suppose that makes sense. It doesn't seem to have been
common over here, though.
> >I'm thinking of
> >11/03 -> 11/23, 11/23 -> 11/73, 11/73 -> 11/83, microVAX -> microVAX-II
> >upgrades).
>
> Yep, like my 11T03 that has a BA11N and 11/73 cpu
I have its exact mate here :-)
--
Pete Peter Turnbull
Network Manager
University of York
Received on Fri Jun 08 2001 - 02:11:16 BST