INT 65 U - Media Vision FM(Frequency Modulation)	A method of encoding data as a series of magnetic flux reversals on disk or tape, commonly known as single-density recording.  In frequency modulation, a series of clock pulses are written at regular intervals, with one data bit for each clock pulse.  See also MFM, RLL..COM v4.1a+ - ???
	SI = 8005h
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Return: ???
SeeAlso: SI=8000h