I had this question before and I didn't really have good results. I have three hard drives installed on my Dell Dimension XPS Gen4. Two of them mirror each other on a Raid 0 setup, so windows sees the three hard drives as two. Now the mirrored hard drives are set as the master hard drive, while the non-Raid drive is set as the secondary. Somehow Dell did this without pins or anything......... I have no clue. Is there a way to set my raid 0 hard drives as secondary and the non-raid hard drive as the primary? Can this be done through the Raid Bios? BTW, I DON'T CARE THAT I MIGHT HAVE TO REFORMAT or might lose data, it is already backed up.