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Dell PowerEdge R220 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.
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.
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.
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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