Re: 1571 troubleshooting

From: william degnan <billdegnan_at_gmail.com>
Date: Sun, 10 Dec 2017 13:29:36 -0500
Message-ID: <CABGJBufH9XpWdQc+LeNbhy3wNHddtC4i-kxeNT+R3GgfXKdR+A@mail.gmail.com>
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
>


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Received on 2017-12-10 19:00:03

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