19 Aug
2007
19 Aug
'07
8:27 a.m.
Date: Sun, 19 Aug 2007 08:50:57 -0600> > Ade
Vickers wrote:> > Hi guys...> > > > I have a truly huge number of old
3.5" HD floppy disks which no longer work.> > Attempting to format them in DOS
returns the largely unhelpful "Invalid> > media or Track 0 bad - disk
unusable" error message.> Same here. Pretty much all of the 3.5" don't
work reliably anymore.> But 9-tracks from the 70's are fine, 8" and 5.25"
floppies are fine.> Just plain weird.
Hi
Much of the probems I've see are also drive related.
For some reason the possitioning of the tracks seems
to fail often. Soem have had luck with adjusting the
track zero sensor but what I've seem is related to the
small plastic ball bearing used in the slides. For some
reason these tend to get flat spots and don't roll well.
Once this happens, all kinds of problems happen.
Dwight
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19 Aug
19 Aug
11:06 a.m.
dwight elvey wrote:
If you try to access the disks from some versions of windows you
will get that error message if there isn't some info in the first
track that is specific to microsoft. PCDOS didn't check for it
but would put it in there so the tater DOS and windows could use
the disks. Most other OSs format programs didn't put the proper
info in there for microsoft to recognize them. I remember that
windows 98se didn't like a bulk erased disk or a disk formatted
in Linux.
Date: Sun, 19
Aug 2007 08:50:57 -0600> > Ade Vickers wrote:> > Hi guys...> > > >
I have a truly huge number of old 3.5" HD floppy disks which no longer work.> >
Attempting to format them in DOS returns the largely unhelpful "Invalid> >
media or Track 0 bad - disk unusable" error message.> Same here. Pretty much all
of the 3.5" don't work reliably anymore.> But 9-tracks from the 70's are
fine, 8" and 5.25" floppies are fine.> Just plain weird.
Hi
Much of the probems I've see are also drive related.
For some reason the possitioning of the tracks seems
to fail often. Soem have had luck with adjusting the
track zero sensor but what I've seem is related to the
small plastic ball bearing used in the slides. For some
reason these tend to get flat spots and don't roll well.
Once this happens, all kinds of problems happen.
Dwight
6336
days inactive
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dkelvey＠hotmail.com -
john＠guntersville.net