[pups] Suitable PDP11s, in the UK

Robert Tillyard rob at vetsystems.com
Fri Nov 2 22:03:42 AEST 2007

Sorry my previous message seemed to be missing the text that I wanted  
to send... see below...

I have what I believe is a PDP 11/23 in a cabinet with two RL02  
drives. I rescued it from a company who were just going to skip it in  
the 90's. I've never used it and don't have an OS for it but the  
company had been using it up until the day the that I rescued it.

The machine is located in Bury St. Edmunds in Suffolk. If someone can  
put this to good use then they can have it. I'll post a picture of it  
up somewhere tonight to help identify it. I think it may have some  
schematics with it as well.

Regards, Rob.

On 2 Nov 2007, at 10:34, Wesley Parish wrote:

> To add to this, there used to be a book on computer engineering with  
> details
> on designing a PDP of some particular nature.  (It might even have  
> been a
> PDP-11.)
> Is it possible to persuade the writer of that book - a University  
> textbook I
> think - to donate it to PUPS?  Alternatively, does someone have an  
> updated
> PDP-11 design that they would be willing to donate to PUPS for  
> anyone with a
> soldering iron and enough time, to play with?
> I'm thinking this would be the way to solve this sort of problem in  
> one fell
> swoop, if as I suspect is likely, it is impossible to find a working  
> and
> available PDP-11 in the UK.
> Just my 0.02c worth - and my, hasn't inflation risen ... ;)
> Wesley Parish
> On Friday 02 November 2007 06:31, Tim Bradshaw wrote:
>> Having long ago got rid of my collection of ageing British (super)
>> minis, I realise I'm missing them, though I'm not sure why.  I can't
>> pretend any more that something running 4.2BSD is really practical,
>> so I'd like to get something really impractical, like a pdp11.
>> What I'd like to be able to do is run 7th edition or thereabouts and/
>> or 2.11BSD on something which is not too large (so full-height 19"
>> racks are out).   I'm not interested in emulators.  It looks to me
>> like there are such systems - for instance the recently-discussed
>> 11/23 (or 11/73) looks practical, other than being in Utah.
>> So I guess I have two questions:
>> Firstly is this a practical thing to do in terms of reliability of HW
>> etc?  I finally gave up on the previous lot of machines at least
>> partly because disks &c were just so flaky that it was too painful to
>> keep things working (also we're talking full-height 19" racks in some
>> cases so they were a bit, well, big).  I don't want to spend my life
>> trying to source ancient disks etc (though I'm clearly not expecting
>> things to be as reliable as good, new modern kit).
>> Secondly, does anyone in the UK (may be there is no one but me, of
>> course...) have any hints where I might look and what I might expect
>> to pay.  I've looked on ebay but I'm a little nervous of what I might
>> get that way.
>> Thanks
>> --tim
>> _______________________________________________
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>> PUPS at minnie.tuhs.org
>> https://minnie.tuhs.org/mailman/listinfo/pups
> -- 
> Clinersterton beademung, with all of love - RIP James Blish
> -----
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> impossible are equal to each other.  Guerrilla
> warfare means up to their monkey tricks.
> Extracts from "Schoolboy Howlers" - the collective wisdom
> of the foolish.
> -----
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