NOTE
The Marvell 88E6145 controller supports single drive non-RAID configurations as well
as RAID configurations. For RAID configurations, you must install the RAID drivers by
pressing F6 during operating system installation. See your operating system
installation documentation for more information about installing drivers during the
installation process.
I would also suggest that you download and look at the Marvell RAID Utility User Guide at http://download.intel.com/support/motherboards/desktop/d975xbx2/sb/mv_raid_manual.pdf.
Hope this helps.