INT 2F - METZTSR.COM - GET METZ Ctrl-Alt-Del FLAG                               
	AX = A903h
	CF set
Return: CF clear if successful
	    AX = 97FFh if Ctrl-Alt-Del allowed
	    AX = 0000h if Ctrl-Alt-Del not allowed
	CF set if not resident
SeeAlso: AX=A902h