Dell EMC PowerEdge T640 Installation And Service Manual page 46

Option Description
DCU Streamer Enables or disables the Data Cache Unit (DCU) streamer prefetcher. This option is set to Enabled by default.
Prefetcher
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 Enabled by default.
UPI Prefetch Enables you to get the memory read started early on DDR bus. The Ultra Path Interconnect (UPI) Rx path will
spawn the speculative memory read to Integrated Memory Controller (iMC) directly. This option is set to Enabled
by default.
Logical Processor Enables you to improve the energy efficiency of a system. It uses the operating system core parking algorithm and
Idling 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.
Configurable TDP Enables you to reconfigure the processor Thermal Design Power (TDP) levels during POST based on the power
and thermal delivery capabilities of the system. TDP verifies the maximum heat the cooling system is needed to
dissipate. This option is set to Nominal by default.
x2APIC Mode Enables or disables the x2APIC mode. This option is set to Disabled by default.
X2APIC Mode Displays the X2APIC Mode setting that is read only and permanently set to enabled.
Number of Cores Controls the number of enabled cores in each processor. This option is set to All by default.
per Processor
Processor Core Specifies the maximum core frequency of the processor.
Speed
Processor n
The following settings are displayed for each processor installed in the system:
Option
Family-Model-
Stepping
Brand
Level 2 Cache
Level 3 Cache
Number of Cores
SATA Settings
You can use the SATA Settings screen to view the SATA settings of SATA devices and enable SATA and PCIe NVMe RAID mode on your
system.
46 Pre-operating system management applications
NOTE: This option is only available on certain stock keeping units (SKUs) of the processors.
NOTE: Depending on the number of CPUs, there might be up to four processors listed.
Description
Specifies the family, model, and stepping of the processor as defined by Intel.
Specifies the brand name.
Specifies the total L2 cache.
Specifies the total L3 cache.
Specifies the number of cores per processor.