Check the alignment. http://vintagecomputer.net/commodore/1541-1571_Drive_Alignment_Free_Spirit.pdf http://vintagecomputer.net/commodore/64/d64_library/utilities/1541-1571align.d64 http://vintagecomputer.net/browse_thread.cfm?id=519 Bill On Sun, Dec 10, 2017 at 10:23 AM, Francesco Messineo < francesco.messineo@gmail.com> wrote: > I've never seen real "single side" floppies, but yes, I'm sure they > are double side :) > > On Sun, Dec 10, 2017 at 4:12 PM, Justin <shadow@darksideresearch.com> > wrote: > > Are you sure you are using double sided floppies? IE, can you write and > read to both sides reliably in 1541 mode? > > > >> On Dec 10, 2017, at 9:57 AM, Francesco Messineo < > francesco.messineo@gmail.com> wrote: > >> > >> Hi all, > >> I'm trying to repair a 1571 drive, it reads fine all my 1541-written > >> disks, but can't format a new disk either in 1541 or 1571 mode. All I > >> get after a short while is a READ ERROR (21) kind of error. Do I > >> assume correctly that the write circuit must be faulty? Any good hint > >> is welcome, as I don't know this particular model, I've mostly worked > >> with 1541's > >> Thanks in advance > >> Frank IZ8DWF > >> > >> Message was sent through the cbm-hackers mailing list > >> > > > > Message was sent through the cbm-hackers mailing list > Message was sent through the cbm-hackers mailing listReceived on 2017-12-10 19:00:03
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