Dell Alienware x16 R1 Service Manual - Page 95

Table 16. System setup options-Virtualization Support menu

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Table 16. System setup options-Virtualization Support menu Virtualization Intel® Virtualization Technology Enable Intel® Virtualization Technology (VT) Enables the computer to run a virtual machine monitor (VMM). Default: ON VT for Direct I/O Enable Intel® VT for Direct I/O Enables the computer to perform Virtualization Technology for Direct I/O (VT-d). VT-d is an Intel method that provides virtualization for memory map I/O. Default: ON DMA Protection Enable Pre-Boot DMA Support able OS Kernel DMA Support Enables Pre-boot DMA protection for both Internal and External ports. Enables Kernel DMA protection for both Internal and External ports. Default: ON Table 17. System setup options-Performance menu Performance Multi-Core Support Active Cores Changes the number of CPU cores available to the operating system. The default value is set to the maximum number of cores. Default: All Intel SpeedStep Enable Intel® SpeedStep Technology Enables or disables the Intel® SpeedStep Technology to dynamically adjust processor voltage and core frequency, decreasing average power consumption and heat production. Default: ON C-States Control Enable C-State Control Enables or disables the CPU's ability to enter and exit low-power states. Default: ON Enable Adaptive C-States for Discrete Graphics Allows to dynamically detect high usage of discrete graphics and adjust system parameters for higher performance during that time period. Default: ON Intel Turbo Boost Technology Enable Intel Turbo Boost Technology Enabled or disabled the Intel® TurboBoost mode of the processor. If enabled, the Intel® TurboBoost driver increases the performance of the CPU or graphics processor. Default: ON Intel Hyper-Threading Technology Enable Intel Hyper-Threading Technology Enabled or disabled the Intel® Hyper-Threading mode of the processor. If enabled, the Intel® Hyper-Threading increases the efficiency of the processor resources when multiple threads run on each core. Default: ON TCC Activation Offset TCC Activation Offset Enables user to adjust CPU's Tcc offset to moderate the performance of the CPU. Default: 00 95

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Table 16. System setup options—Virtualization Support menu
Virtualization
Intel® Virtualization Technology
Enable Intel® Virtualization Technology
(VT)
Enables the computer to run a virtual machine monitor (VMM).
Default: ON
VT for Direct I/O
Enable Intel® VT for Direct I/O
Enables the computer to perform Virtualization Technology for Direct I/O (VT-d).
VT-d is an Intel method that provides virtualization for memory map I/O.
Default: ON
DMA Protection
Enable Pre-Boot DMA Support
Enables Pre-boot DMA protection for both Internal and External ports.
able OS Kernel DMA Support
Enables Kernel DMA protection for both Internal and External ports.
Default: ON
Table 17. System setup options—Performance menu
Performance
Multi-Core Support
Active Cores
Changes the number of CPU cores available to the operating system. The default
value is set to the maximum number of cores.
Default: All
Intel SpeedStep
Enable Intel® SpeedStep Technology
Enables or disables the Intel® SpeedStep Technology to dynamically adjust
processor voltage and core frequency, decreasing average power consumption
and heat production.
Default: ON
C-States Control
Enable C-State Control
Enables or disables the CPU's ability to enter and exit low-power states.
Default: ON
Enable Adaptive C-States for Discrete
Graphics
Allows to dynamically detect high usage of discrete graphics and adjust system
parameters for higher performance during that time period.
Default: ON
Intel Turbo Boost Technology
Enable Intel Turbo Boost Technology
Enabled or disabled the Intel® TurboBoost mode of the processor. If enabled,
the Intel® TurboBoost driver increases the performance of the CPU or graphics
processor.
Default: ON
Intel Hyper-Threading Technology
Enable Intel Hyper-Threading Technology
Enabled or disabled the Intel® Hyper-Threading mode of the processor. If
enabled, the Intel® Hyper-Threading increases the efficiency of the processor
resources when multiple threads run on each core.
Default: ON
TCC Activation Offset
TCC Activation Offset
Enables user to adjust CPU's Tcc offset to moderate the performance of the CPU.
Default: 00
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