View source for LSI Raid Firmware Bios Flashing

Best way is to create a UEFI boot disk as you will get command errors if you do not in most situations, at least in DOS.

Get the firmware
use the sas2flash.efi

 Create a usb key with fat16 and then create the following:
 /EFI/boot
 Get the shell.efi (it sounds like you need the older shell.efi because it supports older versions of EFI specs.)
 cp shell.efi to /EFI/boot/boot.efi for 32bit/ bootx64.efi 64bit.


use the shellx64.efi

Boot into the EFI shell...

Run the proper command: