Dell PowerEdge R420 Systems Owner's Manual

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Processor Settings Screen

Menu Item
Description
Logical Processor
Allows you to enable or disable logical processors and display the number of logical processors. If the Logical Processor option is set to Enabled, the BIOS displays all the logical processors. If this option is set to Disabled, the BIOS only displays one logical processor per core. By default, the Logical Processor option is set to Enabled.
QPI Speed
Allows you to set the QuickPath Interconnect data rate settings. By default, the QPI Speed option is set to Maximum data rate.
  • NOTE: The QPI speed option displays only when both the processors are installed.
Alternate RTID (Requestor Transaction ID) Setting
Allows you to allocate more RTIDs to the remote socket increasing cache performance between the sockets or work in normal mode for NUMA. By default, the Alternate RTID (Requestor Transaction ID) Setting is set to Disabled.
Virtualization Technology
Allows you to enable or disable the additional hardware capabilities provided for virtualization. By default, the Virtualization Technology option is set to Enabled.
Adjacent Cache Line Prefetch
Allows you to optimize the system for applications that require high utilization of sequential memory access. By default, the Adjacent Cache Line Prefetch option is set to Enabled. You can disable this option for applications that require high utilization of random memory access.
Hardware Prefetcher
Allows you to enable or disable hardware prefetcher. By default, the Hardware Prefetcher option is set to Enabled.
DCU Streamer Prefetcher
Allows you to enable or disable Data Cache Unit streamer prefetcher. By default, the DCU Streamer Prefetcher option is set to Enabled.
DCU IP Prefetcher
Allows you to enable or disable Data Cache Unit IP prefetcher. By default, the DCU IP Prefetcher option is set to Enabled.
Execute Disable
Allows you enable or disable execute disable memory protection technology. By default, the Execute Disable option is set to Enabled.
Logical Processor Idling
Allows you to enable or disable the OS capability to put logical processors in the idling state in order to reduce power consumption. By default, the option is set to Disabled.
Number of Cores per Processor
Allows you to control the number of enabled cores in each processor. By default, the Number of Cores per Processor option is set to All.
Processor 64-bit Support
Specifies if the processor(s) support 64-bit extensions.
Processor Core Speed
Displays the maximum core frequency of the processor.
Processor Bus Speed
Displays the bus speed of the processors.
  • NOTE: The processor bus speed option displays only when both the processors are installed.
Processor 1
  • NOTE: The following settings are displayed for each processor installed in the system.
Family-Model-Stepping
Displays the family, model and stepping of the processor as defined by Intel.
Brand
Displays the brand name reported by the processor.
Level 2 Cache
Displays the total L2 cache.
Level 3 Cache
Displays the total L3 cache.
Number of Cores
Displays the number of cores per processor.

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