North Bridge Coniguration - ASROCK FM2A58M-VG3+ 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] 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].
Dual Graphics
This item appears only when you install AMD RADEON graphics card on
this motherboard. Use this to enable or disable Dual Graphics feature. If
you enable this option, the primary monitor will be onboard VGA. If you se-
lect [Auto], Dual Graphics function will be automatically enabled when you
install AMD RADEON graphics card. The default value is [Auto].
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