ASROCK 775DUAL-880PRO Manual To Installation And Configuration page 16

Please press <S> key to install the SATA driver diskette that you
previously made. You will see the instruction as followed.
After inserting the SATA HDD driver diskette and pressing <Enter> key,
you will see the different versions of the SATA HDD drivers for you to
install. Please use arrow keys to move the highlight bar to make your
selection according to the OS you use.
When the installation of the SATA HDD drivers is complete, please
continue to follow the instructions of Windows 2000 or Windows XP for
the proper installation.