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 listReceived on 2017-11-14 04:00:02
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