INT 15 U - IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. 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. - SMART ENERGY SYSTEM - ???
	AX = 2303h
	BX = ??? ('x')
	DX = 'y' and 'z'
		bits 15-7 = 'y'
		bits 6-3 unused
		bits 2-0 = 'z'
	DI = ??? (0352h)
Return: ???
Notes:	performs graphics functions, writes to segment A000h and VGAVideo Graphics Array(Video Graphics Array) The video adapter introduced with the IBMInternational Busiuness Machines PS/2IBM PS/2, any model series of computers. I/O ports
	IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. classifies this function as optional