There is a conversion program that came with the upgrade kit Bill Degnan twitter: billdeg vintagecomputer.net On Nov 13, 2017 10:13 PM, "William Levak" <wlevak@sdf.org> wrote: > On Mon, 13 Nov 2017, william degnan wrote: > > A 4040 should read 2040 disks, but you will not be able to write to them. > > 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 >>> >>> Message was sent through the cbm-hackers mailing list >>> >>> >> > wlevak@sdf.lonestar.org > SDF Public Access UNIX System - http://sdf.lonestar.org > > Message was sent through the cbm-hackers mailing list > Message was sent through the cbm-hackers mailing listReceived on 2017-11-14 04:00:32
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