Asus P5MT-C - Manual (Page 114)

5-20 Chapter 5: Driver installation
When a RAID set is already existing, using the New Configuration
command erases the existing RAID configuration data. If you do not want
to delete the existing RAID set, use the View/Add Configuration command
to view or create another RAID configuration.
To create a RAID set using the New Configuration option:
1. From the utility main menu, highlight Configure, then press .
2. Use the arrow keys to select New Configuration, then press .
3. Follow steps 3 to 7 of the previous section.
4. Select Size from the Logical Drive menu, then press .
5. Key in the desired logical drive size, then press .
6. Follow steps 8 to 12 of the previous section to create the RAID set.
Using New Configuration