HighPoint ATA-133 RAID User Manual page 20

BIOS Configuration Utility
Just use the arrow key to highlight the target disk or disk array, then press
ENTER to select it as boot device.
If user select a disk or disk array which has a boot mark and press ENTER,
then its boot setting will be canceled.
2. After the disk or disk array is selected, its status will be marked as BOOT,
see below:
2.6 Duplicate Critical RAID 1/0+1 array
When booting computer, if BIOS detect a RAID 1 or 0+1 array duplication has been
canceled or any reasons that may cause the inconsistency between user data and
backup data on the disk array, then the disk array will be marked as critical status,
and BIOS will automatically prompt user to duplicate the RAID 1 or 0+1 array to
make the backup data consist with the user data again, see below:
2-6