ASRock 990FX Extreme4 manual North Bridge Configuration, Primary Graphics Adapter

Models: 990FX Extreme4

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3.4.2 North Bridge Configuration

Primary Graphics Adapter

This item will switch the PCI Bus scanning order while searching for video card. It allows you to select the type of Primary VGA in case of multiple video controllers. The default value of this feature is [PCI Express]. Con- figuration options: [PCI] and [PCI Express].

IOMMU

Use this to enable or disable IOMMU. The default value of this feature is [Disabled].

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ASRock 990FX Extreme4 manual North Bridge Configuration, Primary Graphics Adapter