Intel S1200BTL Product Specification - Page 79

Intel®Server Board S1200BT TPS BIOS User Interface Comments: This option is only visible if all processors installed in the system support Intel® VT. The software configuration installed on the system must support this feature in order for it to be enabled. 16. Intel® VT for Directed I/O 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. 17. Interrupt Remapping Option Values: Enabled Disabled Help Text: Enable/Disable Intel® VT-d Interrupt Remapping support. Comments: This option only appears when Intel® Virtualization Technology for Directed I/O is Enabled. 18. 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. Appears only on Romley boards. 19. Pass-through DMA Support Option Values: Enabled Disabled Help Text: Enable/Disable Intel® VT-d Pass-through DMA support. Comments: This option only appears when Intel® Virtualization Technology for Directed I/O is Enabled. 20. Hardware Prefetcher Option Values: Enabled Disabled Help Text: Hardware Prefetcher is a speculative prefetch unit within the processor(s). Revision 1.0 67 Intel order number G13326-003