OT-DIY CPU's

From: Stan Barr <stanb_at_dial.pipex.com>
Date: Tue Aug 20 14:04:00 2002

Hi,

"Andy Holt" <andyh_at_andyh-rayleigh.freeserve.co.uk> said:
>
> > Andy Holt wrote:
> >
> > > The fun then comes with something like the ICT/ICL 1900 series*
> > where the
> > ....
> > > * originally the FP6000 originating in Canada
> > >
> >
> > Know of any information on the web?
>
> A Google search for ICL.1900 finds quite a lot
> the most interesting link is probably
> http://www.personal.leeds.ac.uk/~ecldh/ccs/g34ever.html
> describing a simulation project able to run George 3 - one of the most
> advanced operating systems of the era. The emulator "cheats" somewhat by
> emulating the executive interface rather than the raw hardware and so is
> unsuitable for the other 1900 series operating systems which used a
> different executive.
>

Interesting. I wasn't directly involved with it, but we had an ICL1904 at
work (as did most local authority bodies!) running George 3.
Changed to Univac later.

> I have several of the hardware manuals and have a theoretical project (ie,
> not really started!) to build a 1900 using an FPGA. A problem being that it
> seems that none of the other 1900 series operating systems (Operators
> executive, George 1,2, and 2+, Minimop, Maximop) seem to have survived.

If I run into any of the old gang, I see if they have any tales to tell.
The only ICL stuff I have left is a ring binder.

-- 
Cheers,
Stan Barr  stanb_at_dial.pipex.com
The future was never like this!
Received on Tue Aug 20 2002 - 14:04:00 BST

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