No, you are right. Sata's don't need jumpers in order to work right. Also they don't have a label as far as master/slave. The reason my HD was not functioning right when I plugged in my new ide...

I had the same problem with my system and it took me a while before I figured it was really simple to fix. I don't know if you already took care of the problem, but just in case you didn't..... I...