Rick Balkins wrote:
> 
> FAT was built around and on top of MFM coding so it is probably founded on 
> this scheme for later FAT file systems for ease of software and hardware 

On top of - yes, around - I don't think so. These are very different 
layers. FAT doesn't know or care how bits are stored at low level. It 
deals with bytes and even sectors.
That's why FAT is very happy on flash media that has nothing remotely 
resembling MFM or any other bit level scheme for that matter.

-Alex.
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