Date   : Tue, 19 Jul 2005 19:40:20 +0100
From   : jgh@... (Jonathan Graham Harston)
Subject: Re: floppy discs

"Jason Watton (Lycos)" <jason.watton@...> wrote:
> As Mike said: DD (Double Density) and HD (High Density) disks weren't really
> designed to be used for Single Density formats (such as DFS). It's an oddity
> to have BBC DFS format disks of these media types.
 
DD and SD use the same type of disk. They are different recording
methods, SD uses FM and DD uses MFM.  You shouldn't use HD disks
with any BBC filing system as the magnetic characteristics of the
disk surface is different.
 
See http://mdfs.net/Docs/Comp/Disk/Densities
 
-- 
J.G.Harston - jgh@...                - mdfs.net/User/JGH
Jet Set Willy Resources - http://mdfs.net/Software/JSW