INT 10 - Chips & Technologies Extended 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 FLAT-PANEL VIDEO POLARITY
	AX = 5F5Ah
	BL = new video polarity
	    00h normal
	    01h inverted
Return: AL = 5Fh if function supported
	    AH = status
		00h unsuccessful
		01h successful
SeeAlso: AX=5F50h,AX=5F54h