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Re: What is the oldest computer that could be used today for real work? [message #410833 is a reply to message #410795] Tue, 07 September 2021 09:06 Go to previous messageGo to previous message
Anonymous
Karma:
Originally posted by: John Goerzen

On 2021-09-07, J Clarke <jclarke.873638@gmail.com> wrote:
>> https://governor.kansas.gov/wp-content/uploads/2021/04/Ginth erTaxCouncilKDOT.pdf
>> hints that it may be an IBM System 370/Model 145.
>
> I'd be very surprised if it actually was. When did IBM end
> maintenance on those?

I have no more information, other than that link claims "The Kansas UI System
runs on a Mainframe that was installed in 1977."

Is it possible the hardware was upgraded to something that can emulate the
370/145, and that difference was lost on a non-technical author? Sure.

I have known other places to run mainframes an absurdly long time. I've seen it
in universities and, of course, there's the famous CompuServe PDP-10 story -
though presumably they had more technical know-how to keep their PDP-10s alive.
You are right; it does seem farfetched.

.... so I did some more digging, and found
https://ldh.la.gov/assets/medicaid/mmis/docs/IVVRProcurement Library/Section3RelevantCorporateExperienceCorporateFinancia lCondition.doc
which claims that the "legacy UI system applications run on the Kansas
Department of Administration's OBM OS/390 mainframe."

I know little of IBM's mainframe lineup, but
https://en.wikipedia.org/wiki/IBM_System/390 claims that the System/390 has some
level of compatibility with the S/370.

- John
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