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: [Onboard], [PCI] and [PCI Express].

Share Memory

This allows you to set the share memory feature. The default value is [Auto]. Configuration options: [Auto], [32MB], [64MB], [128MB], [256MB] and [512MB].

Dual Graphics

This item appears only when you install AMD RADEON HD6670 / 6570

/6450 graphics card on this motherboard. Use this to enable or disable Dual Graphics feature. If you enable this option, you can choose onboard VGA or PCIE card VGA at will. If you select [Auto], Dual Graphics function will be automatically enabled when you install AMD RADEON HD6670 / 6570 / 6450 graphics card. The default value is [Auto].

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ASRock A55M-VS manual North Bridge Configuration, Primary Graphics Adapter, Share Memory, Dual Graphics