Formatting floppies past 1.44mb

I’ve seen descriptions for programs like this before, but only yesterday found a working link for this DOS based program (In a Windows freeware site no less).
Anyway, I’m wondering how this programs, or others like it work. Here’s a description from

So, I know that .28 MB isn’t much more, but still, how does it work? Thanks.

How Superformat works (see bottom )


Hey, I found a description from the author himself


Hmmm learn a new thing everyday around here.

Good stuff.