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A few manufacturers had Maxtor
leading the charge for more speed and capacity over MFM. Using
the same set of cables as MFM (the set was a single
34-pin cable that could support 2 drives, and a 20
pin cable for each drive) it moved the error checking
along with the encoding and decoding to the drive,
off the controller, making it faster than MFM.
This was the rationale behind the Enhanced Small Device Interface
Floppies are still MFM
None of the encoding schemes beyond MFM made it to the floppy drive because the need for more efficiency was not considered necessary but backward compatibility with existing media was considered crucial.
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CertiGuide to A+ (Core Hardware) (http://www.CertiGuide.com/aplush/) on CertiGuide.com
Version 1.0 - Version Date: December 6, 2004
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