INT 10 - Cirrus Logic BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware.  The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly. - SET VGAVideo Graphics Array(Video Graphics Array) The video adapter introduced with the IBMInternational Busiuness Machines PS/2IBM PS/2, any model series of computers. REFRESH
	AH = 12h
	BL = A3h
	AL = refresh rate for 640x480 (00h normal, 01h high)
Return: nothing
SeeAlso: AH=12h/BL=9Ah,AH=12h/BL=A4h