ADLINK MXC-6000 Series - Manual (Page 78)

66 Activating RAID Function
Ensure all data on the disks to be used in the RAID array is fully
backed up.
Refer to Section 2.2 to install the two hard disks in the chassis.
C.1 RAID Activation in System Manangement
1. In the BIOS menu, enter “SATA Configuration” under
“Advanced” tab
CAUTION:
It is strongly recommended that both HDDs are the same
model and size for maximal compatibility.