Technical Product Specification

Intel® Server Boards S4600LH2/T2 TPS
Revision 2.0
134
Option Values: Enabled
Disabled
Help Text:
Enable/Disable Intel
®
Virtualization Technology for Directed I/O (Intel
®
VT-d).
Report the I/O device assignment to VMM through DMAR ACPI Tables.
Comments: This option is only visible if all processors installed in the system support Intel
®
VT-d. The software configuration installed on the system must support this feature in order for it to be
enabled.
Back to [Processor Configuration Screen] — [Advanced Screen
]
Interrupt Remapping
Option Values: Enabled
Disabled
Help Text:
Enable/Disable Intel
®
VT-d Interrupt Remapping support. For some processors, this option may
be "always enabled".
Comments: This option only appears when Intel
®
Virtualization Technology for Directed I/O is
Enabled. For some processors this will be enabled unconditionally whenever Intel
®
VT-d is enabled. In
that case, this option will be shown as "Enabled", and grayed out and not changeable.
Back to [Processor Configuration Screen] — [Advanced Screen
]
Coherency Support
Option Values: Enabled
Disabled
Help Text:
Enable/Disable Intel
®
VT-d Coherency support.
Comments: This option only appears when Intel
®
Virtualization Technology for Directed I/O is
Enabled.
Back to [Processor Configuration Screen] — [Advanced Screen
]
ATS Support
Option Values: Enabled
Disabled
Help Text:
Enable/Disable Intel
®
VT-d Address Translation Services (ATS) support.
Comments: This option only appears when Intel
®
Virtualization Technology for Directed I/O is
Enabled.
Back to [Processor Configuration Screen] — [Advanced Screen
]
Pass-through DMA Support
Option Values: Enabled
Disabled
Help Text:
Enable/Disable Intel
®
VT-d Pass-through DMA support. For some processors, this option may
be "always enabled".