on a 40 wire ribbon cable, there are 3 40 pins connectors. The one farthest from the 2 is inserted to the motherboard. My question is about the second two. Does it matter how you hook up the second two to what drive (CD, HD) if you set the master and slave? I heard that the CD and HD can be on seperate cables to enhance performance. How would you set it up? Can both be set as masters?