[vcf-midatlantic] How To Geek article on floppy data recovery

David Gesswein djg at pdp8online.com
Mon May 11 21:52:40 EDT 2020


Have you found a path for this one to create IMD format? The format isn't
perfect but that is what I have been using. I didn't find a way in my looking.


On Mon, May 04, 2020 at 11:08:10AM -0400, Alexander Jacocks via vcf-midatlantic wrote:
> There are a number of newer tools, for imaging of disks, for preservation.
> 
> I've been closely watching this one:
> http://cowlark.com/fluxengine/index.html
> 
> The author is working on support for a lot of common formats, and
> additionally, a number of the 80s-90s dedicated word processor formats.
> It's a simple and rather nifty solution.
> 
> Also, of course, it's 100% opens source hardware and software, which always
> makes me happy!
> 
> - Alex
> 
> On Sun, May 3, 2020 at 1:12 AM Mike Loewen via vcf-midatlantic <
> vcf-midatlantic at lists.vcfed.org> wrote:
> 
> > On Sat, 2 May 2020, Jeffrey Brace via vcf-midatlantic wrote:
> >
> > > Part of my charm is simplicity.  It often inspires discussion. One thing
> > I
> > > was hoping was for people to chime in on the fact that there are vintage
> > > computer enthusiasts that have the original machines and artifacts to
> > > retrieve from floppies instead of modern emulators and devices.
> >
> >     In my opinion, any serious vintage computer hobbyist should have a
> > dedicated "media" system for archiving data and creating new media for
> > vintage
> > systems. For my imaging system I'm using an Abit KV8PRO motherboard, with
> > an
> > Athlon CPU, onboard 10/100/1000 ethernet, 1 AGP 8X/4X slot, 5 PCI slots,
> > SATA
> > and IDE drive support, and 4 USB ports.  The onboard floppy controller
> > will
> > handle all formats except 128 byte/sector MFM.  I haven't run across
> > anything
> > yet that uses that format.  I also have a Catweasel MK4+ for things that
> > Dave
> > Dunfields's IMD or the native floppy controller won't handle.  I have the
> > motherboard installed in a full size tower case, with lots of places to
> > mount
> > drives. I also installed a SCSI interface for lots of other drive options.
> >
> >     For the moment, I have to recable the drives for different media. For
> > 5-1/4", I connect the 360K and 1.2M drives. For 3-1/2" I have a 1.44M
> > drive.
> > For 8" I use a Tandon TM-848 DS drive in an external case, connected via a
> > "D
> > Bit" FDADAP adapter board.
> >
> > http://www.dbit.com/fdadap.html
> >
> >     On this system I mostly run Linux and FreeDOS. When using Imagedisk
> > (IMD),
> > I'll boot FreeDOS to read and write diskettes. To transfer the images
> > to/from
> > my server, I'll boot into Linux and mount the FreeDOS drive. I suppose I
> > could
> > try to get FreeDOS on the net, but I haven't bothered.
> >
> >     I'm not into the older Apple GCR format diskettes, but the Catweasel
> > will
> > handle them if necessary. For my TRS-80 and CP/M work, this system handles
> > just about anything I need. For some of the weird TRS-80 stuff, I can run
> > David Keil's Model 1 or Model 4 emulator under FreeDOS and directly access
> > the
> > floppy drives.
> >
> >     My point: use the right tool for the job. It's not difficult to put
> > together a system to handle your media conversion needs, and you won't be
> > dependent on other hobbyists for boot disks.
> >
> >
> > Mike Loewen                             mloewen at cpumagic.scol.pa.us
> > Old Technology                          http://q7.neurotica.com/Oldtech/
> >


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