I have three hard drives in my computer, a 500GB that has my Vista Ultimate Edition installed on it, and then two hard drives of 250GB each. I want to raid the 250GB drives without reformatting the computer, any way to do that? I do not have a CD of drivers or anything like that. The drives used to be raided, but after upgrading to Vista among numerous virus problems on XP, the RAID was erased. Thanks for the help. Oh, and RAID 0 is preferred.