CPU Setup - Intel(R)#
Intel(R) Speed Shift Technology#
Intel(R) Speed Shift Technology is an energy efficient method of frequency control by the hardware rather than relying on OS control.
Possible options:
- Enabled – Default.
- Disabled – Intel(R) Speed Shift Technology is turned off.
| WMI Setting name | Values | SVP / SMP Req'd | AMD/Intel |
|---|---|---|---|
| SpeedShiftTechnology | Disabled, Enabled | Yes | Intel |
Intel(R) Hyper-Threading Technology#
Intel(R) Hyper-Threading Technology allows multiple logical processors, within the same processor core, to share execution resources and cache hierarchy between logical processors.
Attention
If TxT is set to Enabled, then this item will always be Enabled.
Possible options:
- Enabled – Default.
- Disabled
| WMI Setting name | Values | SVP / SMP Req'd | AMD/Intel |
|---|---|---|---|
| HyperThreadingTechnology | Disabled, Enabled | Yes | Intel |
Core Multi-Processing#
How many cores are available to the OS.
Attention
If TxT is set to Enabled, then this item will always be Enabled.
Possible options:
- Enabled – All CPU cores. Default.
- Disabled – Only one core.
| WMI Setting name | Values | SVP / SMP Req'd | AMD/Intel |
|---|---|---|---|
| CoreMultiProcessing | Enabled, Disabled | Yes | Intel |
Efficient-Cores#
Possible options:
- Enabled – All CPU cores. Default.
- Disabled – Only one core.
| WMI Setting name | Values | SVP / SMP Req'd | AMD/Intel |
|---|---|---|---|
| EfficientCores | Enabled, Disabled | Yes | Intel |
Intel(R) Virtualization Technology#
Intel(R) Virtualization Technology allows PC platforms to run multiple applications and operating systems simultaneously in independent partitions, to help to manage and protect the multi-functional capabilities of PCs.
Attention
When Intel(R) Virtualization Technology is turned off, the following are set to Disabled and cannot be changed:
- VT-d Feature
- TxT
Possible options:
- Enabled – Default.
- Disabled
Additional information is available here: How to enable Virtualization Technology on Lenovo PC computers.
| WMI Setting name | Values | SVP / SMP Req'd | AMD/Intel |
|---|---|---|---|
| VirtualizationTechnology | Disabled, Enabled | Yes | Intel |
VT-d Feature#
VT-d support on Intel platforms provides the capability to ensure improved isolation of I/O resources for greater reliability, security, and availability.
Possible options:
- Enabled – Default.
- Disabled
Additional information is available here: VT-d Feature.
| WMI Setting name | Values | SVP / SMP Req'd | AMD/Intel |
|---|---|---|---|
| VTdFeature | Disabled, Enabled | Yes | Intel |
TxT#
Trusted Execution Technology (TxT) provides hardware-based mechanisms that help protect against software-based attacks and protects the confidentiality and integrity of all data stored or created on the client PC.
Attention
If TxT is set to Enabled, then the Security Chip setting will be set to Enabled automatically.
Possible options:
- Enabled
- Disabled
Default depends on model.
Additional information is available here: Intel(R) TXT Overview.
| WMI Setting name | Values | SVP / SMP Req'd | AMD/Intel |
|---|---|---|---|
| TXTFeature | Disabled, Enabled | Yes | Intel |
IOMMU#
Intel Input/Output Memory Management Unit (IOMMU) is a hardware component that performs address translation from I/O device virtual addresses to physical addresses. This hardware-assisted I/O address translation improves the system performance within a virtual environment.
Possible options:
- Enabled
- Disabled – Default.
| WMI Setting name | Values | SVP / SMP Req'd | AMD/Intel |
|---|---|---|---|
| IOMMU | Disabled, Enabled | Yes | Intel |
C1E Support#
C1 is a state where the processor is not executing instructions, but can return to an executing state immediately.
Enhanced C1 state (C1E) provides lower power consumption when the computer is idle.
Possible options:
- Enabled – Default.
- Disabled
| WMI Setting name | Values | SVP / SMP Req'd | AMD/Intel |
|---|---|---|---|
| C1ESupport | Disabled, Enabled | Yes | Intel |
C State Support#
Supported CPU power management status to minimize the idle power consumption of processor.
Possible options:
- C1 – C1 only.
- C1C3 – C1 and C3.
- C1C3C6 – C1, C3 and C6.
- C1C3C6C7
- C1C3C6C7C8 – C1, C3, C6, C7 and C8.
- C1C3C6C7C8C10 – C1, C3, C6, C7, C8 and C10. Default.
| WMI Setting name | Values | SVP / SMP Req'd | AMD/Intel |
|---|---|---|---|
| CStateSupport | C1, C1C3, C1C3C6, C1C3C6C7, C1C3C6C7C8, C1C3C6C7C8C10 | Yes | Intel |
Turbo Mode#
Turbo Mode allows the processor to assess its own thermals, current and power to come up with a dynamic upper limit on its frequency benefit.
Possible options:
- Enabled – Default.
- Disabled
| WMI Setting name | Values | SVP / SMP Req'd | AMD/Intel |
|---|---|---|---|
| TurboMode | Disabled, Enabled | Yes | Intel |
AES-NI#
Whether to enable the Advanced Encryption Standard - New Instructions (AES-NI), which accelerate hardware encryption/decryption.
Possible options:
- Enabled – Default.
- Disabled
SMX#
Safer Mode Extensions (SMX), a set of CPU instructions that support Intel(R) Trusted Execution Technology (TxT).
Possible options:
- Enabled – Default.
- Disabled
Enhanced Intel(R) SpeedStep Technology#
Enhanced Intel(R) SpeedStep Technology (EIST) allows the operating system to dynamically adjust processor voltage and core frequency, which can decrease power consumption and heat production.
Possible options:
- Enabled – Default.
- Disabled
| WMI Setting name | Values | SVP / SMP Req'd | AMD/Intel |
|---|---|---|---|
| IntelSpeedStepTechnology | Disabled, Enabled | Yes | Intel |
Hardware P-States#
Sets the P-State (performance state) mode used by the processor.
Possible options:
- Disabled
- Native Mode – Default.
- Native Mode with No Legacy Support
| WMI Setting name | Values | SVP / SMP Req'd | AMD/Intel |
|---|---|---|---|
| HardwarePStates | Disabled, Native Mode, Native Mode with No Legacy Support | Yes | Intel |
CPU C1 Auto Demotion#
Whether the processor is allowed to automatically demote from a deeper C-state to C1, based on the idle state history.
Possible options:
- Enabled – Default.
- Disabled
CPU C1 Auto Undemotion#
Whether the processor is allowed to automatically undo a previous C1 auto demotion, based on the idle state history.
Possible options:
- Enabled – Default.
- Disabled
C6 Reporting#
Whether to report the C6 CPU power state to the operating system.
Possible options:
- Enabled – Default.
- Disabled
CPU C-State Limit#
Sets the C-state limit for the processor.
Possible options:
- Auto – Default.
- C0/C1 State
- C2 State
- C6 (non-retention) State
- C6 (retention) State
| WMI Setting name | Values | SVP / SMP Req'd | AMD/Intel |
|---|---|---|---|
| CStateLimit | Auto, C0/C1 State, C2 State, C6 (non-retention) State, C6 (retention) State | Yes | Intel |
Energy Efficient Turbo#
Whether the processor's Turbo Mode frequency selection favors energy efficiency over raw performance.
Possible options:
- Enabled – Default.
- Disabled
| WMI Setting name | Values | SVP / SMP Req'd | AMD/Intel |
|---|---|---|---|
| EnergyEfficientTurbo | Disabled, Enabled | Yes | Intel |
Energy / Performance Bias Control#
Determines who controls the Energy / Performance Bias: the operating system, or the BIOS.
Possible options:
- Operating System – Default.
- BIOS
| WMI Setting name | Values | SVP / SMP Req'd | AMD/Intel |
|---|---|---|---|
| EnergyPerformanceBiasControl | Operating System, BIOS | Yes | Intel |
Energy / Performance Bias Mode#
Sets the mode for the Energy / Performance Bias.
Attention
Only available when Energy / Performance Bias Control is BIOS.
Possible options:
- Performance
- Balanced Performance – Default.
- Balanced Power
- Power
| WMI Setting name | Values | SVP / SMP Req'd | AMD/Intel |
|---|---|---|---|
| EnergyPerformanceBiasMode | Performance, Balanced Performance, Balanced Power, Power | Yes | Intel |
Intel(R) Speed Select Technology#
Intel(R) Speed Select Technology (Intel(R) SST) is a collection of per-core performance tuning capabilities for Intel(R) Xeon(R) processors, letting the system prioritize frequency, power, or core count for specific workloads.
Possible options:
- Disabled – Default.
- Enabled
Attention
Enables the following sub-features, which are only available when Intel(R) Speed Select Technology is Enabled.
Intel(R) SST-PP (Speed Select Technology - Performance Profile)#
Whether to enable Intel(R) SST-PP, which allows selection between multiple pre-defined performance/power configurations.
SST-PP Level#
Selects the active Intel(R) SST-PP performance profile level.
Dynamic SST-PP#
Whether Intel(R) SST-PP can dynamically switch performance profiles without a reboot.
SST-CP (Speed Select Technology - Core Power)#
Whether to enable Intel(R) SST-CP, which prioritizes power delivery to designated high-priority cores.
Configure SST-BF#
Configures which cores are prioritized by Intel(R) SST-BF (Speed Select Technology - Base Frequency).
Activate SST-BF#
Whether to activate Intel(R) SST-BF, which guarantees a higher base frequency on the cores selected in Configure SST-BF.
CPU ID#
Displays the Processor ID.
View only.
Microcode Revision (MM/DD/YYYY)#
Displays the CPU Microcode Revision date.
View only.