Date   : Wed, 12 Oct 2005 23:03:27 +0100
From   : jgh@... (Jonathan Graham Harston)
Subject: Re: 3.5" Floppy For A Master

Eelco Huininga <eelco@...> wrote:
> Is that a DD or HD drive?
 
In practice there's no such thing.
 
A 3.5" drive detects the disk type by noticing the second hold on
a HD disk. That's one of the reasons you shouldn't fake a HD disk
to DD by covering the hole, 'cos the drive will then use the wrong
write current to write to the disk and ruin it.
 
-- 
J.G.Harston - jgh@...                - mdfs.net/User/JGH
BBC IDE Hard Drive Interface - http://mdfs.net/Info/Comp/BBC/IDE