INT 10 - Chips & Technologies Wingine DGX - GET EXTENDED BIOS SAVE BUFFER SIZE

	AX = 5FA0h
	CX = state(s) to be saved (see #00186)
Return: AL = 5Fh if function supported
	    AH = status
		00h unsuccessful
		01h successful
		    BX = number of 64-byte blocks required for state
SeeAlso: AH=1Ch,AX=5FA1h,AX=5FA2h,AX=5F90h,AX=4F04h