Biostar Hi-Fi A85S3 - North Bridge

Hi-Fi A85S3 / Hi-Fi A75S3 / Hi-Fi A55S3 UEFI BIOS Manual
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GPP Link ASPM
Options: Disabled (Default) / L0s / L1 / L0s + L1
GPP Gen2/ UMI Gen2
Options: Enabled (Default) / Disabled
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