Notes:
If the target unit BIOS is Win7 version , you should unlock ME first , then flash BIOS.
Please follow below step to upgrade Win8 BIOS.

1. Boot to DOS.
2. Execute UnlockME.BAT , then system will auto-reboot.
3. Boot to DOS.
4. Execute Win7flash.BAT, then system will flash BIOS to 6.00.