Quote Originally Posted by Brama View Post
You can try to set by BIOS the ICH10r SATA ports in AHCI mode, if you don't have the boot HD on that ports, as this change prevents the O.S. boot if you were previously in IDE mode.
Unfortunately windows 7 won't boot with ahci enabled now that its already installed. I saw some benchmarks that ahci can be slower and more troublesome so i went with the recommended setting of IDE.

I wonder does AHCI get around this problem... ie worth doing a complete reinstall.