TYAN S5549 Manual page 94

3.5.5.2 Intel® VT for Directed I/O (VT-d) Submenu
Intel® VT for Directed I/O (VT-d)
Enable/Disable Intel® Virtualization Technology for Directed I/O (VT-d) by reporting
the I/O device assignment to VMM through DMAR ACPI Tables.
Disabled / Enabled
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