Asus RS926-E7/RS8 - Manual (Page 168)

7-4 Chapter 7: Driver installation
7.1.2 Installing the RAID controller driver
During Windows ® Server 2008 OS installation
To install the RAID controller driver when installing Windows ® Server 2008 OS
1. Boot the computer using the Windows ® Server 2008 OS installation disc.
Follow the screen instructions to start installing Windows Server 2008.
2. When prompted to choose a type of installation, click Custom (advanced).
3. Click Load Driver.