North Bridge - Biostar A55MD2 Manual

A55MD2 / A55MG2 / A55ML2 UEFI BIOS Manual
SB Azalia Audio Configuration
HD Audio Azalia Device
This item allows you to control the HD audio device.
Options: Enabled (Default) / Auto / Disabled

North Bridge

IOMMU
It enables or disables IOMMU support.
Options: Disabled (Default) / Enabled
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