Disc Imaging / Kryoflux - Acorn ADFS 800KB

Austin Pass austinpass at gmail.com
Sat Jul 2 13:51:35 CDT 2016

I'm coming to the same conclusion - command line the way to go!

Dumping the flux transitions (the "raw" mode your describe) certainly
produces data, but I'm in the same boat when it comes to using DTC to put
it in a readable image format.


On Sat, Jul 2, 2016 at 3:06 AM, Jason T <silent700 at gmail.com> wrote:

> On Fri, Jul 1, 2016 at 3:28 PM, Austin Pass <austinpass at gmail.com> wrote:
> > I'm trying to preserve my Acorn ADFS 3.5" discs. To this end, I've
> purchased a KryoFlux "Pro" board and a new-old-stock ALPS floppy drive.
> >
> > I've hooked it all up to a Windows 8.1 VM and everything *seems* to be
> working.  However, the .adl images I create are all 0KB in size.
> A 0kb file - or one smaller than expected - means that the DTC program
> was not able to make sense of some (or in this case, all) of the flux
> transitions in terms of the format you selected.  If I don't know what
> I'm dealing with, I found it useful to read the disk in "raw" mode
> first (where it makes a large file for each track) and then set DTC
> against those flux files until I found the right combination of
> settings to produce an image.  A lot less wear on the disk and drive
> vs. attempting to translate on the fly and failing a lot.  You'll want
> to get to know the command line options intimately - the GUI can't do
> it all.
> Their forums are very useful for sorting out disk format details -
> whatever you're reading, there's usually someone who has tried before
> and gotten help.  Here's a post on Acorn ADFS:
> http://forum.kryoflux.com/viewtopic.php?t=849
> (I know nothing of Acorn, so that may not be what you're trying to do.)
> All DTC settings matter.  In many cases, the order of the settings
> matter, a lot.  I've spent many hours banging my head against the
> desk, only to find I had switched to flags around.

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