Modified Frequency Modulation
(MFM, Modified {FM}, or sometimes "Multiple
Frequency Modulation") A {data} recording method used on
{magnetic disks}.
MFM data recording is currently used in industry standard 3.5"
and 5.25" low and high density {diskettes}, and was used in
the magnetic disks such as the {Seagate Technology} {ST506}
drive.
See also: {GCR}, {FM}, {RLL}, {PRML}, {Bernoulli Box}.
[How does it differ from other recording methods?]
(1997-08-14)