We have installed the AOC-SAS2-RAID5Key on your X8DA6 motherboard, but the RAID 5 is still not working. What else do we need to do?
Please go to the FTP site and download the latest IMR firmware and follow the flashing instructions. You will need to create a DOS bootable USB stick first to run this utility from DOS.
https://www.supermicro.com/wdl/driver/SAS/LSI/2008/iMR/Firmware/Non_Blade/
You can follow the instructions on this link below to create a DOS boot USB.
http://www.sevenforums.com/tutorials/46707-ms-dos-bootable-flash-drive-create.html