***********************************************Important Notes********************************************************
[BIOS Update in Recovery Mode] 
  User can go to recover mode through setting recovery jumper on motherboard. 
  When BIOS update is done, DO NOT reboot immediately before setting jumper back to normal mode.    	
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   On BIOS version R01.01.0002, security revision is upgraded. It changes some BIOS update behaviours.
Q1: Why I can't downgrade to previous BIOS version.
A1: From R01.01.0002, due to security revision update, to downgrade to previous version should be in recovery mode.