Thye Chean, The 1.4MB 3.5 disks are "high density" and the 720k(PC)/800k(GS/Mac) are double density. Dean On Sep 17, 6:43 pm, limtc <thyech...@gmail.com> wrote: > Mmm.. what's the difference? What's a high density 3.5" disk? I have > read the comments twice and can't figure out. :) You mean there is a > 1.4MB high density format and there is a double density disk? >