> -----Original Message----- > From: cctalk [mailto:cctalk-boun...@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@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
