Processor Settings Details - Dell XC6320 Owner's Manual

System Memory Specifies whether the system memory tests are run during system boot. Options
Testing are Enabled and Disabled. This option is set to Disabled by default.
Memory Specifies the memory operating mode. The options available are Optimizer Mode,
Operating Mode Advanced ECC Mode, Mirror Mode, Spare Mode, Spare with Advanced ECC Mode,
Dell Fault Resilient Mode and Dell NUMA Fault Resilient Mode. This option is set
to Optimizer Mode by default.
Node Interleaving Specifies if Non-Uniform Memory architecture (NUMA) is supported. If this field is
set to Enabled, memory interleaving is supported if a symmetric memory
configuration is installed. If the field is set to Disabled, the system supports NUMA
(asymmetric) memory configurations. This option is set to Disabled by default.
Snoop Mode Specifies the Snoop Mode options. The Snoop Mode options available are Home
Snoop, Early Snoop, and Cluster on Die. This option is set to Early Snoop by
default. This field is available only when the Node Interleaving is set to Disabled.

Processor Settings details

The Processor Settings screen details are explained as follows:
Logical Processor Enables or disables the logical processors and displays the number of logical
processors. If this 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. This option is set to Enabled by default.
QPI Speed Enables you to control QuickPath Interconnect data rate settings.
Alternate RTID Modifies Requestor Transaction IDs, which are QPI resources. This option is set to
(Requestor Disabled by default.
Transaction ID)
Setting
Virtualization Enables or disables the additional hardware capabilities provided for virtualization.
Technology This option is set to Enabled by default.
Address Defines the Address Translation Cache (ATC) for devices to cache the DMA
Translation transactions. This option provides an interface between CPU and DMA Memory
Service (ATS) Management to a chipset's Address Translation and Protection Table to translate
DMA addresses to host addresses. This option is set to Enabled by default.
Adjacent Cache Optimizes the system for applications that need high utilization of sequential
Line Prefetch memory access. This option is set to Enabled by default. You can disable this
option for applications that need high utilization of random memory access.
Hardware Enables or disables the hardware prefetcher. This option is set to Enabled by
Prefetcher default.
DCU Streamer Enables or disables the Data Cache Unit (DCU) streamer prefetcher. This option is
Prefetcher set to Enabled by default.
NOTE: The Memory Operating Mode option can have different default and
available options based on the memory configuration of your system.
NOTE: The Dell Fault Resilient Mode option establishes an area of memory
that is fault resilient. This mode can be used by an operating system that
supports the feature to load critical applications or enables the operating
system kernel to maximize system availability.
NOTE: Enabling this option may negatively impact the overall system
performance.
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