basiclly when i open my computer it goese straight to windows 7/ windows xp (whichever is in the sata 0 slot at the time). my friend installed windows 7 and he got a option to pick from windows 7 or "earlier version of Windows" which is windows xp. any way i can do this so i dont have to keep switching my hard drives every time i want to change. thanks for the help anyone ^^