Please follow update guideline below

==== Preparation Section ====
1. Prepare an USB key and format it in FAT32 file system with EFI shell
2. Extract BIOS zip file into root folder of the USB key
3. Plug the USB key to the USB port of MAB-T660

==== Update Section ==== (With ME update)
1. Boot up MAB-T660
2. Enter BIOS setup
3. Follow instruction below to Enable ME update from BIOS setting
	Advanced -> PCH-FW Configuration -> Firmware Update Configuration -> 
        ME FW Image Re-Flash -> "Disable"
4. Save Changes and reset to boot into UEFI shell
5. Type fs0: to switch to the USB key (suppose the USB key is the only one storage)
6. Execute following command
    afu_update.nsh
7. After update finished, please disconnect AC power cord for 10 seconds at least.