Asrock X79 Extreme3 X79 EXTREME3 用户手册

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3.4.2  North Bridge Configuration

This allows you to select [PCI] or [PCI Express] as the boot graphic adapt-

er priority. The default value is [PCI Express].

 

 

This allows you to select PCIE 1 Link Speed. The default value is [GEN2].

 

 

This allows you to select PCIE 3 Link Speed. The default value is [GEN2].

 

 

This allows you to select PCIE 4 Link Speed. The default value is [GEN2].

 

 

This allows you to select PCIE 4 Link Width. The default value is [x8].

Use this item to enable/disable Intel(R) Virtualization Technology for

  Directed 

I/O.