INT 15 U - AMIAmerican Megatrends, Inc.(American Megatrends, Inc.) A hardware, software and firmware company founded in 1985. PCI 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. - GET EXTENDED MEMORY SIZE
	AX = DA88h
Return: CF clear (successful)
	AX = 0000h
	CL:BX = extended memory size in KBytes
SeeAlso: AH=88h