Intel Matrix Storage Technology is a RAID system that uses firmware (bios) rather than hardware (on drives and/or on motherboard) or software (either within Windows or LInux, or in a driver or application program).
It has a disk-image like recovery feature:
Intel® Rapid Recover Technology (Intel® RRT): With the ability to instantly boot off a clone, Intel Rapid Recover Technology (part of Intel Matrix Storage Technology) provides a fast, easy-to-use method for the end user to recover their data and return their system to an operational status.
Whole Article: http://www.intel.com/design/chipsets/matrixstorage_sb.htm