Eg. Intel RAID Controller SRCS16 http://www.intel.com/p/en_US/support/highlights/server/srcs16 is based on LSI Logic Mega Raid

utility:
http://www.lsi.com/DistributionSystem/AssetDocument/files/support/rsa/utilities/megaconf/ut_linux_megarc_1.11.zip

http://www.dubuque.k12.ia.us/it/megarc/
http://www.freebsdwiki.net/index.php/Megarc