Recent content by diskblitz

I used my Applesauce software and it opened up the raw files just fine, except for 1 bad sector. It is an FM-format disk 16 x 128 byte sectors per track. I exported an IMD file for you. Not much data on the disk and I don't recognize the file system offhand.

Ok, I believe that I have the solution to the mystery of why written disks are being mis-identified as being Osborne. The Nabu CP/M disks contain an out-of-band sequence on track 0, located between the index and sector 1. The sequence starts with 2x A1 MFM markers (4489). These are the...