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BIOS Setup
Intel VT for Directed I/O (VT-d)
Enabled Intel VT for Directed I/O (VT-d). (Default setting)
Disabled Disable Intel VT for Directed I/O (VT-d).
Interrupt Remapping
Enabled Enable Interrupt Remapping. (Default setting)
Disabled Disable Interrupt Remapping.
Coherency Support
Enabled Enable Coherency Support.
Disabled Disable Coherency Support. (Default setting)
ATS
Enabled Enable ATS. (Default setting)
Disabled Disable ATS.
PassThrough DMA
Enabled Enable PassThrough DMA. (Default setting)
Disabled Disable PassThrough DMA.
VT-d for Port1~Port 10
Enabled Enable VT-d support for Port 1~Port 10 ports through ATSR structures in
ACPI Tables. (Default setting)
Disabled Disable VT-d for Port1~Port 10.
Advanced Chipset Control Main Menu Options
Course Grain Clocking Gating
Enabled Enable Course Grain Clocking Gating.
Disabled Disable Course Grain Clocking Gating. (Default setting)
Intel (R) I/OAT
Enabled Enable configuration mapped accesses to the I/OAT configuration sapce.
(Default setting)
Disabled Disable I/OAT.
4GB PCI HoleGranularity
Select the granularity of PCI hole for PCI resource. If MTRRS are not enough, we may use
this option to reduce the MTRR occupation.
512MB Select 512MB as granularity of PCI hole.
1GB Select 1GB as granularity of PCI hole. (Default setting)