Date   : Sun, 08 Aug 2010 23:29:36 +0100
From   : jgh@... (J.G.Harston)
Subject: Why did Acorn ADFS only allow 640KB on a floppy?

Mike Tomlinson wrote:
> It must have been one or more of the extended formatters, then, because
> some disks definitely had 81 and 82 formatted and couldn't be read on
> drives which wouldn't step past 80.

A few of my HADFS development disks I formatted to 82 tracks. I could
just about get away with 83 tracks on one particular combination of disk
and drive.

JGH