I'm about to do a fresh install on desktop and I have a question about IDE vs. AHCI. Which mode should I pick in the bios? IDE, AHCI or RAID? Does AHCI have any advantages over IDE? My HDD right now ...

I did a clean install of XP Pro last night on the motherboard mentioned above (Gigabyte EP45-UD3R rev. 1.1) and I have the following question about the SATA RAID/AHCI driver: Do I need to install it ...