5-3-5 IIO Configuration
Parameter
IIO Configuration
®
Intel
VT for Directed I/O (VT-d)
Description
Press [Enter] to configure advanced items.
®
Intel
VT for Directed I/O
– 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.
Cache Allocation
– Options available: Enable, Disable. Default setting is Enable.
DMA Control Opt-In Flag
– Enable/Disable DMA_CTRL_PLATFORM_OPT_IN_FLAG
in DMAR table in ACPI. Not compatible with Direct Device
Assignment (DDA).
– Options available: Enable, Disable. Default setting is Disable.
Interrupt Remapping
– Enable/Disable the interrupt remapping support function.
– Options available: Auto, Enable, Disable. Default setting is Auto
x2APIC Opt Out
– Options available: Enable, Disable. Default setting is Disable.
Pre-boot DMA Protection
– Options available: Enable, Disable. Default setting is Disable.
BIOS Setup
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