3.0 Hd wil work on a 1.5 board just at 1.5 speeds. 1.5 will work on a 3.0 board just at 1.5 boards.
Quote from a smart guy "You can make it slower, but you can't make it faster"
SATA is freaky east, plug it in and go. so yes any sata HD wil work with your MOBO. Make sure you have SP2 in.