Service Guide

BIOS Setup Utilities
Intel
®
Server System P4000IP and Intel
®
Workstation System P4000CR Service Guide 121
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