atbs,
The S1200BTS has support for six 3Gb/s Serial ATA II hard drives through six onboard SATA II connectors with SW RAID 0, 1, 5, and 10.
You can use Intel® Embedded Server RAID Technology II or Intel® Rapid Storage Technology for RAID.
ESRT2 through onboard SATA connectors provides SATA RAID 0, 1, and 10 and optional RAID 5 support provided by the Intel ® RAID Activation Key AXXRAKSW5.
RST RAID through onboard SATA connectors provides SATA RAID 0, 1, 5, and 10.
See page 71 of the S1200BT Technical Product Specification for details of configuring RAID options in the BIOS.
Regards,
John