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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)
5 8
BIOS Setup
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