Gigabyte H252-3C0 - IIO Configuration

- 83 - 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.

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.

DMA Control Opt-In Flag
– Enable/Disable DMA_CTRL_PATFORM_OPT_IN_FLAG AG
in DRMA table in ACPI. Not compatible with Direct Device
Assignment (DDA).
– Default setting is Disable.

Interrupt Remapping
– Enable/Disable the interrupt remapping support function.
– Options available: Enable/Disable/Auto. Default setting is Auto.