[EMAIL PROTECTED] wrote:
> PDP-11's? Ours had a boot EPROM which saved a lot of time :-)
>
> The one in the student digital logic lab didn't, but you could write your
> program on the console switches, switch the machine off, come back next day
> and *voila!* your program is still there. Ideal teaching machine at the
> time, even if it did draw 10 Amps at 5 volts just to run the thing.
>
> Core planes were hand threaded by the good ladies of Mexico.
> No doubt if you find one, chances are that the program is still in it, still
> readable.
>
> Cheers,
>
> Jill.
The computers that run the Anglo-Austalian Telescope at Siding Spring are so
old that they use core memory., but they do the job well so they have never
been replaced. (or at least hadn't when I last saw them a couple of years ago)
Stay well and happy
Heracles
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