Gigabyte Z68MX - Marvell RAID1 volume not accesible

BlackGiraffe

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Nov 10, 2011
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After failing (not enough space on SSD) in my attempt to install Windows Home Server 2011 (Intel2500K, 8GB, Vertex3 60GB, 2x2TB SATA III) I reverted back to Win7 (replacing Home Premium with Ultimate). I now no longer have access to my Marvell Raid1 (2x2TB) volume. When I boot the machine the BIOS recognizes the hardware and if I enter BIOS I can see RAIDONE (the name of the RAID1 volume) listed on the hard disk boot priority screen. Even so, when I go into explorer the RAIDONE volume is not available. Neither is it evident in disk manager. If I change the control mode from AHCI to IDE than two individual disks show up --unitialized -- in disk manager. I dont want to lose the 300GB of data I already have on the RAID volume.

Any ideas how to resolve?