Service Guide

Server Utilities
Intel
®
Server System R1000RP Service Guide 77
Note: The ME can control the number of active cores independently of the BIOS Setup setting.
If the ME disables or enables processor cores, this will override the BIOS setting, and the
number selected by BIOS will be disregarded.
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16. Execute Disable Bit
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.
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17. Intel (R) 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.
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18. Intel(R) 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.
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19. 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".