User Manual
Page 53
Configuration options: [PCI] and [PCI Express]. IOMMU Use this to select the type of Primary VGA in case of multiple video controllers. The default value of this feature is [PCI Express]. The default value of this feature is [Disabled]. 53 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.
Configuration options: [PCI] and [PCI Express]. IOMMU Use this to select the type of Primary VGA in case of multiple video controllers. The default value of this feature is [PCI Express]. The default value of this feature is [Disabled]. 53 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.