Quote Originally Posted by In-Fluence View Post
I'm quite sure XP doesn't support AHCI drivers, but I'd wait for someone else to confirm that for you. I couldn't get AHCI to work properly even in W7 64 - always gave me BSODs. It's a shame really because my optical drives ran a lot faster in AHCI then IDE. Anyone else have a solution?
XP Supports AHCI just fine. You have to download the Intel Matrix floppy driver from Intel's site and load it during setup when the message "Press F6 if you need to install a third party SCSI or RAID driver" appears. I've had AHCI working fine in XP, Vista and Windows 7, and both 32-bit and 64-bit versions of each.