Date: Fri, 12 Sep 1997 13:06:36 +0100 (BST) From: "K.J.Koster" <kjk1@ukc.ac.uk> To: Luigi Rizzo <luigi@labinfo.iet.unipi.it> Cc: hackers@freebsd.org, questions@freebsd.org Subject: Re: Do *you* have problems with floppies? Message-ID: <Pine.SV4.3.95.970912130218.29476C-100000@kestrel.ukc.ac.uk> In-Reply-To: <199709120935.LAA03134@labinfo.iet.unipi.it>
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>
> > Wild guess: driver needs to recalibrate every once in a while, so if you
> > write a whole floppy at once, it slowly loses calibration. MS-DOS
> > `recalibrates' by writing the FAT every block or so. How does that sound?
>
> I doubt it writes the fat so often, performance would be much worse
> than the 30-40K/s we get now...
>
30-40kb/s? I wish. 8kb/s is what dd reports for my floppy drive.
Oh, and regarding the fdformat in another post in the same thread: when
FreeBSD finds an error on one of my floppies, it's dead. MS-DOS' scandisk
reports the same errors and cannot fix them. Reformatting the disk does
not help, the sectors trashed.
Groetjes,
Kees Jan
---------------------------------------------------------------v--
Kees Jan Koster tel: UK-1227-453157 e-mail: kjk1@ukc.ac.uk
15 St. Michaels Road, Canterbury, Kent, United Kingdom
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from trials come errors... from errors come legends...
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