INT 80 - SoundBlasterA common sound card developed by Creative Labs. SBFM driver - SET DRIVER CLOCK RATE
	BX = 0004h
	AX = driver clock rate divisor (1193180 / frequency in Hertz)
Note:	default frequency is 96 Hz
SeeAlso: BX=0000h"SBFM",BX=0003h"SBFM"