User Manual
Page 50
3.4.2 North Bridge Configuration Primary Graphics Adapter This item will switch the PCI Bus scanning order while searching for video card. The default value of this feature is [PCI Express]. Configuration options: [PCI] and [PCI Express]. The default value of this to select the type of Primary VGA in case of multiple video controllers. IOMMU Use this feature is [Disabled]. 50 It allows you to enable or disable IOMMU.
3.4.2 North Bridge Configuration Primary Graphics Adapter This item will switch the PCI Bus scanning order while searching for video card. The default value of this feature is [PCI Express]. Configuration options: [PCI] and [PCI Express]. The default value of this to select the type of Primary VGA in case of multiple video controllers. IOMMU Use this feature is [Disabled]. 50 It allows you to enable or disable IOMMU.