Gigabyte S451-3R1 - IIO Configuration

- 79 - BIOS Setup
5-3-5 IIO Conguration
Parameter
Description
IIO Conguration
Intel
®
VT for Directed I/O (VT-d)
Press [Enter] to congure advanced items.
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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.
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ATS
– Enable/Disable Non-Isoch VT_D Engine ATS support.
– Options available: Enable/Disable. Default setting is Enable.