Broken floppy disks

dwight elvey dkelvey at
Sun Aug 19 23:51:26 CDT 2007

> Date: Sun, 19 Aug 2007 20:45:52 -0700 > > > Well, DOS 6.x had the /f switch on the FORMAT command--which told DOS > > to forget about trying to read the disk, just format it. I believe > > that DOS 7.x ignores /f. And for DOS, there are always third-party > > formatters.> > > > Cheers,> > Chuck> > I think you meant the /u switch. The /f switch normally requires some other> parameters telling how to format the disk.> > BTW, some interesting comments. I've always been curious why I could bulk erase> a disk and it would sometimes show up with a track 0 bad error (win98se.) Now> I'm going to have to try formatting on an earlier version of DOS.
 I've had problems with the /f switch as well. For work with my Olivetti
M20, I need a couple disk formatted as 320K disk. I've found that none
of my formatting tools will reformat a 360K disk as a 320K disk. That
is, unless I destroy the 360K format some how. Luckily, I've found that
formatting on the M20 ( that puts FM on the first track ), is enough
that the format tools think it has random data and will reformat to
320K if I ask for /f:320.
 I have used a magnet as well but I prefer to not use that method.
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