> > If I read this correctly, you didn't check whether each of the disks boots > by itself without being connected to the RAID controller. The interesting > part would be to imagine that your controller is defect, disconnect both > disks from it, connect one of the disks to a different controller (ideally > on the same machine) and try to boot off it. > The first immediate test I did was disabling the SATA setting from RAID to IDE (for HD to be used as standalone drive without RAID controller being active), it booted and worked OK. It also worked through a USB-to-SATA adapter that I used for my DVD writer. At least for this VIA SATA RAID controller, it looks like it has implemented the RAID 1 quite faithfully. The only issue is the XP did not work so well when the RAID controller driver was absent at the beginning. Cheers, Ling SM -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist