User`s guide

Using BIOS Setup 5-7
SATA AHCI Mode specifies the integrated IDE controller. This item
only appears if the above item is set at AHCI. Native AHCI enables all
SATA and PATA resources. Currently only Native AHCI is supported.
Native Mode Operation this item only appears if the item SATA0
Mode is set at IDE. Currently only Serial ATA is supported.