re: Upgrade 2040/3040 DOS 1 floppy drive to DOS 2?

From: Bill Degnan <>
Date: Fri, 30 Jul 2010 16:22:29 -0400
Message-ID: <4efd9f1a$6a038ed0$11b92284$@com>
> Now that I have good faith I can put together at least two or three
> working floppy drives, I wonder if there is any way to upgrade them
> to a newer DOS version. My EPROM programmer can handle 2532 chips,
> so upgrading the ROM is not a problem, but I have noticed that a
> DOS 2.x floppy drive uses a different 6530 RIOT than a DOS 1.

That's great news.  If I find any notes on the subject from whatever tech 
docs I have I'll let you know.  This makes me wonder if I have some 2040's 
that I think are not working but actually are.

Bill Degnan.

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Received on 2010-07-30 21:00:44

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