North Bridge Coniguration - ASROCK FM2A78M-HD+ R2.0 User Manual

4.4.2 North Bridge Coniguration

IOMMU
This allows you to enable or disable IOMMU support.
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-
iguration options: [Onboard], [PCI] and [PCI Express].
Share Memory
This allows you to set the share memory feature. The default value is [Auto].
Coniguration options: [Auto], [32MB], [64MB], [128MB], [256MB] [512MB],
[1GB] and [2GB].
Onboard HDMI HD Audio
This allows you to enable or disable the "Onboard HDMI HD Audio" fea-
ture.
DVI Function
Use this to select DVI function when you install the DVI to HDMI adapter
to DVI port. Coniguration options: [as Dual Link DVI] and [as HDMI]. If you
select [as Dual Link DVI], you can use Dual Link DVI monitor without au-
dio function. If you select [as HDMI], you can use HDMI monitor with audio
function. The default value is [as Dual Link DVI].
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