BIOS Settings Glossary version 19

BIOS Settings Glossary BACK
V19 – November 2012 BACK
Intel® Hyper-
Threading
Technology
Main
• Enable
• Disable
Enables or disables Hyper-Threading Technology.
When disabled, only one thread per active core will be available.
This BIOS setting is present only on Intel® Desktop Boards that
support Hyper-Threading Technology if a processor supporting
Hyper-Threading Technology is installed.
For information on Hyper-Threading, refer to
http://en.wikipedia.org/wiki/Hyperthreading
Intel Trusted
Execution
Technology
Security
• Enable
• Disable
Enables or disables Intel® Trusted Execution Technology which
provides hardware-based mechanisms that may help protect
against software-based attacks and protect the confidentiality and
integrity of data.
If Intel® TXT is enabled, then Intel® VT, Intel® VT-d, Intel® HT, all
processor cores, and the onboard TPM will also be enabled. Once
Intel® TXT is enabled, it must be disabled before disabling any of
these required features.
For information on Trusted Execution Technology, refer to
http://www.intel.com/technology/security/
Intel® Dynamic
Power
Technology
Power
• Energy
Efficient
Performance
• Off
• Custom
Configures processor power management features.
Energy Efficient Performance:
Hides the following BIOS options:
• Enhanced Intel SpeedStep® Technology
• OS ACPI C2 Report
• OS ACPI C3 Report
Sets the following BIOS options:
• Enhanced Intel SpeedStep® Technology to Enable
• OS ACPI C2 Report to Enable
• OS ACPI C3 Report to Disable
• PCIe ASPM Support to Enable
Off:
Hides the following BIOS options:
• Enhanced Intel SpeedStep® Technology
• OS ACPI C2 Report
• OS ACPI C3 Report
• Enhanced Intel SpeedStep® Technology to Disable
• OS ACPI C2 Report to Disable
• OS ACPI C3 Report to Disable
• PCIe ASPM Support to Disable
Custom:
Unhides the following BIOS options:
• Enhanced Intel SpeedStep® Technology
• OS ACPI C2 Report
• OS ACPI C3 Report