Unless you enable raid for the IDE drives in the bios and install the drivers for it from the mothrboard cd what you have is a board with four IDE controllers.
Which means you can put each IDE drive on it's own controller.
No need to mess with raid.
The manual has really clear bios instructions so you should have no trouble there.
The SATA drive can be made the C drive and should be first in the boot order followed by the optical drives and you DVE drives would come last.
In fact when you're reinstalling everything I would leave them disconnected until everything else is up and running.
I found this forum that practically specializes in Asus boards for Intel :
http://www.abxzone.com/index.php?
Just head over to Intel Zone/Intel chipsets
glc, I was assuming that the nicklock was to keep anyone from messing up one of the DVE drives.
Now that he's moving everything to the SATA drive he can still use it to protect the DVE drives when he's not working with them.