On May 28, 2006, at 10:21 AM, Mike Pepe wrote: > 3.5" disks are 96tpi regardless of their capacity. 5.25" disks are > 48tpi if the 40 track variety, 96tpi if the 80 track variety. Actually most 3.5" floppies are 192tpi, though I do have a 40 track 3.5" floppy drive which is 96tpi.