5-3-5 IIO Configuration
Parameter
IIO Configuration
®
Intel
VT for Directed I/O (VT-d)
BIOS Setup
Description
Press [Enter] to configure advanced items.
®
Intel
VT for Directed I/O (VT-d)
– Enable/Disable the Intel VT for Directed I/O (VT-d) support
function by reporting the I/O device assignment to VMM through
DMAR ACPI Tables.
– Options available: Enable/Disable. Default setting is Enable.
ACS Control
– Enable: Programs ACS only to Chipset Pcie Root Ports Bridges.
– Disable: Programs ACS to all PCIe bridges.
– Default setting is Enable.
Interrupt Remapping
– Enable/Disable the interrupt remapping support function.
– Options available: Enable/Disable. Default setting is Enable.
PassThrough DMA
– Enable/Disable the Non-Isoch VT_D Engine PassThrough DMA
support function.
– Options available: Enable/Disable. Default setting is Enable.
ATS
– Enable/Disable Non-Isoch VT_D Engine ATS support.
– Options available: Enable/Disable. Default setting is Enable.
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