Quote Originally Posted by Nuckin_Futs View Post
You must enable RAID in SATA Configuratino. And yes you should have installed w/ f6 floppy from new install, but it can be fixed in existing OS, but needs some tricks. Yo will need "2" extra SATA HDD's asside from the OS SATA, a sepperate 3rd party SATA controller to boot from, or a 2nd PC to with the 2 sepperate SATA controllers, one using an Intel ICH8R/9R.

Let me know if you need further help as other mate above.
Intel Matrix Storage drivers are designed for AHCI AND RAID specifications, not just RAID alone.
The only exception to this rule are a few ICH controllers that were missing RAID, but had AHCI support, however, you could still trick it into using the driver by adding the Device ID manually into the inf.