You probably found this out already... RAID is enabled in the BIOS as the default for this mobo . Go into the BIOS and disable all the RAID settings, and it should be fine after that.
I have the same mobo and found out about the default RAID settings in some other forums. I disabled the...
Taken from Chris Connolly of GamePCs review on 1/20/2k5:
"The board, by default, will run at 4x HyperTransport frequencies and is completely stabile. Like most Gigabyte motherboards, you can hit CTRL-F1 in the motherboard BIOS to access the Advanced Chipset Control settings. In this menu of...