Intel FSB800 (PC3200) - Manual (Page 49)

BIOS
Page 4-11
software both support Ultra DMA-33/66/100, select Auto to enable UDMA mode
by BIOS or you can manually disable it.
Options: Auto, Disabled.
*** On-Chip Serial ATA Setting ***
RAID Function
Enables the RAID function. When RAID is enabled ("Auto" or "Enabled") Serial
ATA ports 0 and 1 will default to "Tertiary" and "Quartenary".
Options: Auto, Enabled, Disabled.
Note: O/S driver for this feature is available only for Windows XP, please check
future updates for other O/S support.
On-Chip Serial ATA
Applicable only when RAID function above is "Disabled". Assigning "Primary"
will make Serial ATA IDE the Primary port and in effect disable the Parallel-ATA
Primary port. Similarly, assigning "Secondary" will disable the Parallel-ATA
Secondary port.
Options: RAID, Disabled, For Primary, For Secondary.
Serial ATA Port 0 /1 Mode
Display Serial ATA Port 0/1 assignment to IDE device.
!
The following screen shows RAID function "Auto" or "Enabled".
[RAID]
Display only
<RAID Mode>