Hi Decop,
What you can do is to disable the bootagent.
Download preboot.exe which contain the bootutil.exe utility.
https://downloadcenter.intel.com/Detail_Desc.aspx?agr=Y&DwnldID=19186
Create a bootable dos flash drive
Copy bootutil.exe in the drive
Boot from the drive to enter into dos mode,
execute the command bootutil -FD to disable the bootagent
example:
To disable the flash firmware on all the network adapters.
BootUtil -ALL -FD
You may refer more info on these websites
http://www.intel.com/support/network/sb/cs-008018.htm
http://www.intel.com/support/network/adapter/pro100/bootagent/sb/cs-008212.htm
hope this helps.
wb