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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
Š
– 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
Š
– Enable: Programs ACS only to Chipset PCIe Root Ports Bridges.
– Disable: Programs ACS to all PCIe bridges.
– Default setting is Enable.
Cache Allocation
Š
– Options available: Enable, Disable. Default setting is Enable.
DevTLB Invalidation Timeout Configuration
Š
– Options available: Auto, 68s to 103s, 8s to 12s, 268ms to 402ms,
8ms to 12ms, 131us to 196us. Default setting is Auto.
Opt-Out Illegal MSI Mitigation
Š
– Enable/Disable Opt-Out Illegal 0xFEE Platform Mitigation.
– Options available: Disable, Enable. Default setting is Disable.
BIOS Setup
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