>I've got this hazy memory saying that the boot area (or possibly just the first track?) of the 'DD' CP/M disk might still be FM, though, even >though the rest of the disk isn't, and so it needs a FM-capable controller to write out an image. Maybe I'm mixing that up with a different system, though..
I think you might be. I have an Osborne 1a with the DD modification. I can make good Osborne boot disks for it in a 360k floppy drive using Imagedisk on my Pentium II. The latter can't write single density at all though. Tez