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The Processor Settings screen details are explained as follows:
Menu Item Description
Logical Processor Enables or disables the logical processors and displays 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 displays only one
logical processor per core. By default, the Logical Processor
option is set to Enabled.
Alternate RTID (Requestor Transaction
ID) Setting
Enables you to allocate more RTIDs to the remote socket,
thereby increasing cache performance between the sockets
or easing work in normal mode for NUMA. By default, the
Alternate RTID (Requestor Transaction ID) Setting is set to
Disabled.
Virtualization Technology Enables or disables the additional hardware capabilities
provided for virtualization. By default, the Virtualization
Technology option is set to Enabled.
Address Translation Service (ATS) Defines the Address Translation Cache (ATC) for devices to
cache the DMA transactions. This field provides an interface
to a chipset's Address Translation and Protection Table to
translate DMA addresses to host addresses. By default, the
option is set to Enabled.
Adjacent Cache Line Prefetch Optimizes 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 Enables or disables the hardware prefetcher. By default, the
Hardware Prefetcher option is set to Enabled.
DCU Streamer Prefetcher Enables or disables the Data Cache Unit (DCU) streamer
prefetcher. By default, the DCU Streamer Prefetcher option is
set to Enabled.
DCU IP Prefetcher Enables or disables the Data Cache Unit (DCU) IP prefetcher.
By default, the DCU IP Prefetcher option is set to Enabled.
Execute Disable Enables or disables the execute disable memory protection
technology. By default, the Execute Disable option is set to
Enabled.
Logical Processor Idling Enables or disables the operating system capability to put
logical processors in the idling state in order to reduce power
consumption. By default, the option is set to Disabled.
Configurable TDP Allows reconfiguration of Thermal Design Power (TDP) to
lower levels.
TDP refers to the maximum amount of power the cooling
system is required to dissipate.
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