Re: Extracting files off “unknown” 8 inch disks. Any thoughts…

[Terry Stewart]

>Tez,

>Here's what I would do in your situation.

Excellent, thanks.

Terry (Tez)

On Thu, Mar 23, 2017 at 8:17 PM, Jay Jaeger via cctech <
cctech at classiccmp.org> wrote:

>
> > On Mar 22, 2017, at 23:08, Chuck Guzis via cctech <cctech at classiccmp.org>
> wrote:
> >
> >> On 03/22/2017 08:39 PM, Terry Stewart via cctalk wrote:
> >>
> >> Chuck, in the highly likely event of the formats NOT being common
> >> CP/M or DOS ones (i.e. ones I could probably manage), I'll give these
> >> guys your email (-:
> >
> > Tez,
> >
> > Here's what I would do in your situation.
> >
> > If the disks are hard-sectored, forget it, unless you have the system
> > that wrote them.
> >
>
> Not necessarily.  For example, I have used a Catweasel board to recover
> hard sectored Data General floppies.  But it is certainly much harder,
> particularly if the format is not known in advance.
>
>
> > If they're soft-sectored, dig through your pile of PC "tweeners" using
> > Dave Dunfield's "TestFDC" and see if you can find one that does
> > single-density.
> >
> > Then hook your 8" drive to the PC and use his ImageDisk to grab a copy.
> >
> > That way, you can tinker with the image to figure out what's going on.
> > Failing that, you can pass the image to the list here and see if it
> > rings any bells.
> >
> > http://www.classiccmp.org/dunfield/img/index.htm
> >
> > --Chuck
> >
> >
>
>