Pick the wrong RAID level, and you might end up losing all your data ...
I'm running an ASUS p4b533-E that has onboard RAID 0/RAID 1 support. The chipset is a Promise PDC20276. For years I had used a Promise 100 card as an IDE controller and not for any RAID configurations ...
Mods- I wasn't positive which forum this goes in (I haven't followed RAID talk much, and thought this might have as much to do with mobo/bios info as with drives), and thought this might be more ...
Why hardware RAID is officially dead but the cheap cards are still a must-have for home servers ...