Asus Z8PE-D12 - Manual (Page 148)

6-8 Chapter 6: Driver installation
5. Right-click the RAID controller item, then select Properties.
6. Click the Driver tab, then click the Update Driver button.
7. The Upgrade Device Driver Wizard window appears. Click Next.
8. Insert the RAID driver disk you created earlier to the floppy disk drive.
9. Select the option
Search for a suitable driver for my device
(recommended), then click Next.
10. The wizard searches the RAID controller drivers. When found, click Next to
install the drivers.
11. Click Finish after the driver installation is done.