Gigabyte GA-7TCSV2 Manual - Page 40

PassThrough DMA, VT-d for Port1~Port 10, I/OATDMA Engine, IOHIOxAPCI, 4GB PCI HoleGranularity, QPI

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Page 40 highlights

BIOS Setup 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. I/OAT DMA Engine Enabled Enable configuration mapped accesses to the I/OAT DMA configuration sapce. (Default setting) Disabled Disable I/OAT DMA Engine. IOH IOxAPCI Enabled EnableEnable IOH IOx APCI Interrupt bas start at 24. (Default setting) Disabled IOH IOxAPCI. 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. 128MB Select 128MB as granularity of PCI hole. 256MB Select 128MB as granularity of PCI hole. (Default setting) QPI Control Settings Enabled Enable QPI Control settings. Disabled QPI Control settings. (Default setting) Enable Multimedia Timer Yes Enable Multimedia Timer support. (Default setting) No Disable this function. 40

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BIOS Setup
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.
I/OATDMA Engine
Enabled
Enable configuration mapped accesses to the I/OAT DMA configuration
sapce. (Default setting)
Disabled
Disable I/OAT DMA Engine.
IOHIOxAPCI
Enabled
EnableEnable IOH IOx APCI Interrupt bas start at 24. (Default setting)
Disabled
IOH IOxAPCI.
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.
128MB
Select 128MB as granularity of PCI hole.
256MB
Select 128MB as granularity of PCI hole. (Default setting)
QPI Control Settings
Enabled
Enable QPI Control settings.
Disabled
QPI Control settings. (Default setting)
Enable Multimedia Timer
Yes
Enable Multimedia Timer support. (Default setting)
No
Disable this function.