Whitechapel Computer Works MG-1

Göran Axelsson axelsson at acc.umu.se
Wed Dec 3 00:00:27 CST 2014

Thanks Tony, David, Andy, Rich, Jules.... et al. If I missed you it's 
just because I never expected the thread to explode into this. :-)
Now I know what to look for and how to get it running if I find it. I 
even know how fast I can run it too! :-D

This is a fantastic community!


<Nothing new below, no need to scroll>

David Brownlee skrev den 2014-11-30 09:45:
> Add a few more details below - its been 20 years since I last saw one so
> hopefully my memory is accurate
> On 30 Nov 2014 06:51, "tony duell" <ard at p850ug1.demon.co.uk> wrote:
>>> I just got the "Owner Operator Guide" manual for a MG-1 from a friend. I
>>> did some searches and found a picture on wikipedia in the article about
>>> Whitechapel Computer Works. (
>>> https://en.wikipedia.org/wiki/Whitechapel_Computer_Works )
>>> I also found an evaluation of the MG-1 and several contemporary
>>> workstations...
> http://www.chilton-computing.org.uk/acd/sus/perq_papers/perq_external/p003.htm
>> .> .. but then I drew a blank. It seems like these are really rare
> systems.
>>> Does anyone have a system? Anyone need the manual?
>> I have one. I've even found it after the move (it's on a shelf behind me
> along
>> with its keyboard. Not found the mouse yet, it's probably still in one of
> the
>> 500 or so boxes still to unpack.
>> It's a 32016-based unix box. There are a few gotchas that I remember.
>> It needs a good set of NiCd cells on the power control board to start it
> up.
>> If not, you have to do a 'jumpstart' involving connecting a 9V battery to
> a connector
>> on that board. Some owners added an external socket wired there to make it
>> easier to so this.
> Another jumpstart option was to boot one up, leave it running for a moment
> and then connect it across to the dead machine
>> The 32016, 32018 (FPU), MMU chips, etc are in nice turned-pin sockets. The
>> EPROMs are in cheap sockets. Replacing the latter sockets will often get a
>> dead machine going.

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