> >A further tip: when writing new floppies with IMD (to generate original Kaypro bundled > >software for example), I found it easiest to Format the floppy under 22DISK first, as it > >knows the correct settings for a Kaypro floppy, then use IMD to write to the formatted > >floppy. Doing this meant the only setting I had to set on IMD is the Double Step (as I > >have a 1.2MB (80 track) drive, not a 360KB (40 track) drive. > Makes no sense. IMD knows the exact format of the particular disk that it is writing > as this was determined at the time it was read, and is represented in the metadata > of the IMD file - it also formats the disk as it writes it, removing any previous formatting. > And ... if he's writing on a 1.2M drive (presumed in a HD controller) , he WILL need to > set a 250->300kbps translation in addition to double-stepping in order to write the disks.

Could part of the confusion there be that SOME 1.2M drives are 360RPM only, and therefore require the 300kbps data transfer rate, and SOME 1.2M drive are 360RPM/300RPM, and when in a 300RPM mode can use the 250Kbps data transfer rate?