Users Guide

Table Of Contents
Menu Item Description
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 (QPI) data rate settings. By default, the QPI Speed option
is set to Maximum data rate.
NOTE: QPI Speed 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 the hardware prefetcher. By default, the Hardware Prefetcher option is
set to Enabled.
DCU Streamer
Prefetcher
Allows you to enable or disable the Data Cache Unit (DCU) streamer prefetcher. By default, the DCU
Streamer Prefetcher option is set to Enabled.
DCU IP
Prefetcher
Allows you to enable or disable the Data Cache Unit (DCU) 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.
Dell Controlled
Turbo
Allows you to control turbo engagement. This feature is also referred to as Dell Processor Acceleration
Technology (DPAT).
NOTE: Depending on the platform, some attributes may or may not be displayed.
78 Using the system setup and boot manager