20 Jan
2023
20 Jan
'23
11:16 a.m.
On 1/20/2023 4:36 AM, Dave Wade G4UGM via cctalk wrote:
Thanks for the nice response. That was what I meant to convey in my
original response to this thread. If someone gave me a bog standard IBM
360kB disk and told me court reporter data was on it that could
potentially free someone, I would set up GW and image it, even though I
have a perfectly capable ImageDisk setup sitting not 3 feet from me.
Jim
--
Jim Brain
brain(a)jbrain.com
www.jbrain.com
-----Original
Message-----
From: Christian Corti via cctalk <cctalk(a)classiccmp.org>
Sent: 20 January 2023 09:34
To: ClassicCmp <cctalk(a)classiccmp.org>
Cc: Christian Corti <cc(a)informatik.uni-stuttgart.de>
Subject: [cctalk] Re: Computer Museum uses GreaseWeazle to help exonerate
Maryland Man
Isn't that a bit overcomplicated? I mean, they *are* standard IBM format
floppys that can be read with a normal PC floppy controller.
I really wonder why the museum did not know this. Maybe even PUTR could
have been used to copy off the files from the disks.
They can, but once you hit a
read error a PC goes into re-try mode and you
run the risk of dirtying the heads and damaging the disk.
With one of these tools you read the flux transitions of the disk, so a
whole track and then sort the data out.
This reduces the risk of damaging the disk and the drive.
Christian
Dave