Date   : Mon, 04 May 2009 06:54:43 -0700 (PDT)
From   : flynnjs@... (Jason Flynn G7OCD)
Subject: ADFS 1.53 patch

> running a disk checking utility afterwards results in multiple
> read errors on each cylinder.
> Trying to format from DOS it results in 'Track 0 bad or
> media unusable'. 

IIRC you should be able to flag bad sectors in the BIOS formatter.
The duff sectors out of the factory were usually written on the
top of the drive, but you can add to those.