I tried to look this up but I'm having trouble still so here goes. I've just bought a seagate 500GB SATA hard drive and I have an older motherboard. It's an A7V133 Asus mobo. So I just purchased an adapter that is an Sata to 40 pin IDE and the older 4 pin, I think, power supply. It's just a little circuit board that plugs right in and on the back are the older connections. So I don't know if I just plug that right into the IDE slots on the motherboard or the slots right next to it which also are 40 pin but say ATA spots 1 and 2. Do I hook up to that spot. I'm confused.