Gigabyte G291-280 User Manual page 98

5-3-5-1 Intel® VT for Directed I/O (VT-d)
Intel® VT for Directed I/O (VT-d)
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.
Posted Interrupt
Enable/Disable VT_D posted interrupt.
Options available: Enable/Disable. Default setting is Enable.
Coherency Suuport (Non-Isoch)
Enable/Disable Non-Isoch VT_D Engine Coherency support.
Options available: Enable/Disable. Default setting is Enable.
BIOS Setup - 96 -