Asus M2N-SLI - Manual (Page 154)

-2 Chapter : Software support
5. When done, press <Enter> to confirm the creation of the RAID set. A
dialogue box appears to confirm the action. Press <Y> to confirm; otherwise,
press <N>.
Pressing <Y> deletes all the data in the HDDs.
6. The following screen appears, displaying the relevant information about the
RAID set you created.