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+ - GET INTERNAL DATA STRUCTURES
	SI = 8000h
Return: DX:AX -> internal data structures
Program: 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 is an Ad Lib SOUND.COM-compatible driver for Media Vision's
	  Pro Audio Spectrum sound boards
SeeAlso: SI=8001h