Owners Manual

Option Description
Virtualization
Technology
Enables you to control the QuickPath Interconnect data rate settings.
Adjacent Cache
Line Prefetch
Optimizes the system for applications that need high utilization of sequential 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
Prefetcher
Enables or disables the hardware prefetcher. This option is set to Enabled by default.
DCU Streamer
Prefetcher
Enables or disables the Data Cache Unit (DCU) streamer prefetcher. This option is set to Enabled by default.
DCU IP Prefetcher Enables or disables the Data Cache Unit (DCU) IP prefetcher. This option is set to Enabled by default.
Sub NUMA Cluster Enables or disables the Sub NUMA Cluster. This option is set to Disabled by default.
Logical Processor
Idling
Enables you to improve the energy eciency of a system. It uses the operating system core parking algorithm and
parks some of the logical processors in the system which in turn allows the corresponding processor cores to
transition into a lower power idle state. This option can only be enabled if the operating system supports it. It is set
to Disabled by default.
X2APIC Mode Enables or disables the X2APIC mode. This option is set to Disabled by default.
Dell Controlled
Turbo
Controls the turbo engagement. Enable this option only when System Prole is set to Disabled.
Number of Cores
per Processor
Controls the number of enabled cores in each processor. This option is set to All by default.
Processor Core
Speed
Species the maximum core frequency of the processor.
Processor n
NOTE: Depending on the number of processors, there might be up to four processors listed.
The following settings are displayed for each processor installed in the system:
Option Description
Family-Model-
Stepping
Species the family, model, and stepping of the processor as dened by Intel.
Brand Species the brand name.
Level 2 Cache Species the total L2 cache.
Level 3 Cache Species the total L3 cache.
Number of Cores Species the number of cores per processor.
SATA Settings
You can use the SATA Settings screen to view the SATA settings of SATA devices and enable SATA on your system.
NOTE
: The XC Series Appliance and XC Core System does not support the NVDIMM-N, RAID, or UEFI settings.
32 Pre-operating system management applications