Select your OS and install everything they have listed there. I'm not really sure what you mean by install scsi on your hard drive, but if you install all the drivers from that page you should be in good shape.
chipset drivers and raid drivers.
but the raid drivers on a usb flash drive.
restarted to bios.
set sata ports to raid instead of ahci.
booted my windows 7 64bit ultimate disk.
loaded the raid drivers from my usb.