Asus KFN5-Q/SAS - Manual (Page 118)

ASUS KFN5-Q Series 5-11
7. After selecting the hard disk drives, press
to create the RAID 5 set. A pop-up
window appears.
8. Press to delete all data from the hard
disk drives and continue creating the RAID set.
Clear disk data?
[Y] YES [N] Cancel
You will lose all data in the drives if you clear the disk data.
9. The utility displays the created RAID5 set. Press + to save
your settings and exit the utility.