Boot to UEFI shell, enter to sas2flash tool folder
sas2flash -o -e
7 # Clear all
image in flash.#
sas2flash -o -f xxxx.fw # Flash FW. #
sas2flash -b
mptsas2.rom #Flash BIOS.
sas2flash -o -sasadd
0000111122225678 #Flash SAS address.#