Re: upgrading CBM-3040?

From: william degnan <*billdegnan_at_gmail.com*> Date: Mon, 13 Nov 2017 09:17:32 -0500 Message-ID: <CABGJBuem91fMcxxU12A8093=cW_G4BiTmM9T-jMFv_9TuqJwTQ@mail.gmail.com> · billdegnan_at_gmail.com

Yes.  There was an upgrade kit.  If you can find the chips or steal them
from a 4040 drive here is what I found:

Replace the 6530 with the CBM chip 901466-04
UL1 gets a 901468-12
UJ1 gets a 901468-11  (take from 4040 UK1)
UH1 gets a 901468-13

You'll have to convert the 2040-formatted disks to 4040 format to read
them.  The 2040/3040 will with the upgrade act like a 4040 drive.

On Mon, Nov 13, 2017 at 8:20 AM, Francesco Messineo <
francesco.messineo@gmail.com> wrote:

> Hi all,
> just a quick question for the experts: Is it possible to upgrade a
> 3040 dual drive to DOS2.1 (like a 4040)?
> Thanks
>
> Frank
>
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>

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