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System Agent (SA) Configuration > Intel® VT for Directed I/O (VT-d)
Function
Intel® VT for Directed I/O (VT-d)
X2APIC Opt Out
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Selection
Description
Disabled
Enable/Disable Intel® VT for Directed I/O (VT-d) by
Enabled
reporting the I/O device assignment to VMM
through DMAR ACPI Tables.
Disabled
Enable/Disable X2APIC_OPT_OUT bit.
Enabled
mITX-BDW-U – User Guide, Rev. 1.6
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