Asus SCSI 320-2 - Manual (Page 61)

LSI MegaRAID 1-7
7. R A I D 1 R A I D
RAID 1 size Select Size
RAID 1 size = 35002 MB Accept Next
6. RAID RAID 0 RAID 1 RAID
Select Size Accept
Next RAID 0 RAID 0 size = 70004
MB Accept Next