![](/images/new-backgrounds/1214832/214832159x1.webp)
3.4.2 North Bridge Configuration
Primary Graphics Adapter
This allows you to select the boot graphic adapter priority. The default value is [PCI Express].
PCIE 1 & PCIE 2 Link Speed
This allows you to select PCIE 1 & PCIE 2 Link Speed. The default value is [GEN2].
PCIE 4 & PCIE 6 Link Speed
This allows you to select PCIE 4 & PCIE 6 Link Speed. The default value is [GEN2].
PCIE 5 Link Speed
This allows you to select PCIE 5 Link Speed. The default value is [GEN2].
PCIE 5 Link Width
This allows you to select PCIE 5 Link Width. The default value is [x8].
Intel(R) VT for Directed I/O Configuration
Intel(R)
Use this item to enable/disable Intel(R) Virtualization Technology for Directed I/O.
80