Asus TS300-E7/PS4 - Manual (Page 142)

7-8 Chapter 7: Driver installation
5. Locate the driver in the corresponding folder of the Support DVD, and then
click OK to continue.
6. Select the RAID controller driver you need from the list and click Next.
7. When the system finishes loading the RAID driver, replace the motherboard
Support DVD with the Windows Server installation disc. Select the drive to
install Windows and click Next.
8. Setup then proceeds with the OS installation. Follow screen instructions to
continue.