Asus DSBV-DX/C - Manual (Page 129)

ASUS DSBV-DX Series 5-15
4. Select all the drives required for the RAID set, then press . The
configurable array appears on screen.
5. Press , select the configurable array, then press .
6. Press again, and select RAID from the Logical Drive menu, then
press .
7. Select the RAID level from the menu, then press .