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RLL
In the ongoing quest for more storage
MFM was getting competition from Run Length Limited (RLL).
This new encoding scheme reduces the amount of
the data checking information required, allowing for more
data to be stored. By far the most popular version of
RLL was RLL 2,7. It was called this because the sequence
of zeros in the data-checking codes always ranged from 2
to7, yielding a 50% increase in storage over MFM.
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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
Adapted with permission from a work created by Tcat Houser.
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