Intel S2600IP Service Guide - Page 124

BIOS Setup Utilities Option Values: Enabled Disabled Help Text: Execute Disable Bit can help prevent certain classes of malicious buffer overflow attacks. Contact your OS vendor regarding OS support of this feature. Comments: This option is only visible if all processors installed in the system support the Execute Disable Bit. The OS and applications installed must support this feature in order for it to be enabled. 20. Intel® Virtualization Technology Option Values: Enabled Disabled Help Text: Intel® Virtualization Technology allows a platform to run multiple operating systems and applications in independent partitions. Note: A change to this option requires the system to be powered off and then back on before the setting takes effect. 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. 21. 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. 22. Interrupt Remapping 106 Intel® Server System P4000IP and Intel® Workstation System P4000CR Service Guide