hi i want to connect old Apple Studio Display 21 or 20 i think to my macbook is it possible it has (Apple Display Connector) (March 20, 2002) 20", matte, LCD, 1680 x 1050 and my macbook is 2.1 core2duo 2006 how can i do it i have to by some sort of special cable to do this or its is not possible 
