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Menu Item Description
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.
Dell Controlled Turbo Helps in controlling Turbo engagement. By default, the option is set to Disabled. This feature is
also referred to as Dell Processor Acceleration Technology (DPAT).
NOTE: This option is available only on systems installed with an E5-2690 or E5-2600 V2
Xeon series processor and support Turbo. Enable Turbo Boost under System Profile
Settings and set the System Profile to Performance mode when utilizing this
feature. Enabling Dell Controlled Turbo will force fans to run at maximum R.P.M.
NOTE: DPAT works when DPAT is enabled in BIOS setup and either one of the following
settings is available:
• System Profile is set to Maximum Performance. This automatically enables Turbo
mode.
• System Profile is set to Custom and CPU Power Management is set to Maximum
Performance and Turbo is enabled.
NOTE: When DPAT is disabled, fan offset speed does not change and remains high. Set
Fan offset to normal on the iDRAC Thermal Settings page.
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.
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