On Thu, Jan 14, 2010 at 2:18 PM, Frank Swygert <farna at att.net> wrote: > Won't some of the 96 TPI (720K) 5.25" drives also work fine as 360K drives?? > They have a couple different brands of those too. > Yes, but don't write to an existing 360k formatted disk, because it will make it unreadable to 360k drives.