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DR4300 Owners Manual
Processor Settings
51
NOTE:
Enabling this option may negatively impact the overall system performance.
Virtualization Technology
Enables or disables the additional hardware capabilities provided for virtualization. This option is set to
Enabled
by default.
Address Translation Service (ATS)
Defines the Address Translation Cache (ATC) for devices to cache the DMA transactions. This option provides an
interface between CPU and DMA Memory Management to a chipset's Address Translation and Protection Table
to translate DMA addresses to host addresses. This option is set to
Enabled
by default.
Adjacent Cache Line Prefetch
Optimizes the system for applications that need high utilization of sequential memory access. This option is set
to
Enabled
by default. You can disable this option for applications that need high utilization of random memory
access.
Hardware Prefetcher
Enables or disables the hardware prefetcher. This option is set to
Enabled
by default.
DCU Streamer Prefetcher
Enables or disables the Data Cache Unit (DCU) streamer prefetcher. This option is set to
Enabled
by default.
DCU IP Prefetcher
Enables or disables the Data Cache Unit (DCU) IP prefetcher. This option is set to
Enabled
by default.
Execute Disable
Enables you to run the disable memory protection technology. This option is set to
Enabled
by default.
Logical Processor Idling
Enables you to improve the energy efficiency of a system. It uses the operating system core parking algorithm
and parks some of the logical processors in the system which in turn allows the corresponding processor cores to
transition into a lower power idle state. This option can only be enabled if the operating system supports it. It is set
to
Disabled
by default.
Configurable TDP
Enables you to reconfigure the processor Thermal Design Power (TDP) levels during POST based on the power
and thermal delivery capabilities of the system. TDP verifies the maximum heat the cooling system is needed to
dissipate. This option is set to
Nominal
by default.
NOTE:
This option is only available on certain stock keeping units (SKUs) of the processors.
X2Apic Mode
Enables or disables the X2Apic mode.
Dell Controlled Turbo
Controls the turbo engagement. Enable this option only when
System Profile
is set to
Performance
.
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