Dell PowerEdgeFC430 Owner's Manual page 36

Onthe SystemBIOS screen, click Processor Settings.
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Related links
Processor Settings
Processor Settings details
Processor Settings details
The Processor Settings screen details are explained as follows:
Option Description
LogicalProcessor
Enablesordisablesthelogicalprocessorsanddisplaysthenumberoflogicalprocessors.Ifthisoptionissetto
Enabled,theBIOSdisplaysallthelogicalprocessors.IfthisoptionissettoDisabled,theBIOSdisplaysonlyone
logical processor per core. This option is set to Enabledbydefault.
QPI Speed
Enables youtocontrolQuickPathInterconnectdataratesettings.
Alternate RTID Modifies Requestor Transaction IDs, which are QPI resources. This option is set to Disabled by default.
(Requestor
Transaction ID)
Setting
Enables or disables the additional hardware capabilities provided for virtualization. This option is set to Enabled by
Virtualization
default.
Technology
Defines the Address Translation Cache (ATC) for devices to cache the DMA transactions. This option provides an
Address Translation
interface between CPU and DMA Memory Management toa chipset's Address Translation and Protection Table
Service (ATS)
to translate DMA addresses to host addresses. This option is setto Enabledbydefault.
Optimizesthesystemforapplications that need high utilization of sequential memoryaccess. This option is setto
Adjacent Cache
Enabled by default. You can disable this option for applications that need high utilization of random memory
Line Prefetch
access.
Enables or disables the hardware prefetcher. This option is set to Enabled by default.
Hardware
Prefetcher
Enables or disables the Data Cache Unit (DCU) streamer prefetcher. This option is set to Enabled by default.
DCU Streamer
Prefetcher
DCU IP Prefetcher Enables or disables the Data Cache Unit (DCU) IP prefetcher. This option is setto Enabledby default.
ExecuteDisable Enables you to run the disable memoryprotection technology. This option is set to Enabledbydefault.
LogicalProcessor
Enablesyoutoimprovetheenergyefficiencyofasystem. Ituses the operating system core parking algorithm and
Idling
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. Thisoptionissetto Nominalbydefault.
X2Apic Mode
Enables or disables the X2Apic mode.
Dell Controlled Controls the turbo engagement. Enable this option only when System Profile is set to Performance.
Turbo
Controls the number of enabled cores ineach processor. This optionissetto Allbydefault.
Numberof Cores
per Processor
Specifiesiftheprocessor(s)support64-bitextensions.
Processor 64-bit
Support
36 Pre-operating system managementapplications
NOTE:Enablingthisoptionmaynegativelyimpacttheoverallsystemperformance.
NOTE: This option is only available on certain stock keeping units (SKUs) of the processors.
NOTE: Dependingon the number of installed CPUs, there may be up to four processor listings.