non-PC Floppy imaging
Dave Wade
dave.g4ugm at gmail.com
Fri Jan 5 16:45:21 CST 2018
> -----Original Message-----
> From: cctalk [mailto:cctalk-bounces at classiccmp.org] On Behalf Of Guy
> Sotomayor via cctalk
> Sent: 05 January 2018 19:53
> To: General Discussion: On-Topic and Off-Topic Posts
> <cctalk at classiccmp.org>
> Subject: non-PC Floppy imaging
>
> Hi,
>
> I now have a number of uCode diskettes for my IBM 4331. I would somehow
> like to image them so:
> a) I have backups in case the floppies themselves go bad
> b) be able to investigate their contents in case I have to “merge” the
> contents of multiple floppies to
> make a single good one
>
> These are all 8” diskettes.
>
> The complicating factors in all of this are:
> a) any text (e.g. strings) are going to be in EBCDIC rather than ASCII
> b) each uCode diskette was presumably serialized to the CPU it was for
> c) not sure what the “on-disk” structure looks like
> d) the only 8” diskette drives that I have are in IBM (non-PC) equipment
>
> Any ideas/comments would be welcome.
>
IBM invented the 8" floppy disk format. Generally their disks follow the standard 3740 format. I would try that first.
https://ub.fnwi.uva.nl/computermuseum/diskettes.html
> Thanks.
>
> TTFN - Guy
Dave
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