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Menu Item Description
installed. If Disabled, the system supports NUMA (asymmetric) memory
configurations. By default, Node Interleaving option is set to Disabled.
Snoop Mode Specifies the Snoop Mode options. Snoop Mode options available are Home
Snoop, Early Snoop, Cluster on Die. By default, the Snoop Mode option is set to
Early Snoop. The field is only available when Node Interleaving is Disabled.
Processor Settings screen details
You can use the Processor Settings screen to view the processor settings and perform specific functions
such as enabling virtualization technology, hardware prefetcher, and logical processor idling.
You can view the Processor Settings screen by clicking System Setup Main Menu → System BIOS →
Processor Settings.
The Processor Settings screen details are explained as follows:
Example
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 only displays 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
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 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.
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