Dell PowerEdge R660 - Page 52

Table 45. Processor Settings details(continued)
Option Description
heat the cooling system is must dissipate. This option is set to
Normal by default.
NOTE: This option is only available on certain stock keeping
units (SKUs) of the processors.
Intel SST-BF Enables Intel SST-BF. This option is displayed if Performance Per
Watt (operating system) or Custom (when OSPM is enabled)
system profiles are selected. This option is set to Disabled by
default.
Intel SST-CP Enables Intel SST-CP. This option is displayed if Performance
Per Watt (operating system) or Custom (when OSPM is
enabled) system profiles are selected. This option is displayed
and selectable for each system profile mode. This option is set to
Disabled by default.
x2APIC Mode Enables or disables x2APIC mode. This option is set to Enabled
by default.
NOTE: For two processors 64 cores configuration, x2APIC
mode is not switchable if 256 threads are enabled (BIOS
settings: All CCD, cores, and logical processors enabled).
AVX ICCP Pre-Grant License Enables or disables AVX ICCP Pre-Grant License. This option is
set to Disabled by default.
Dell Controlled Turbo
Dell Controlled Turbo Settings Controls the turbo engagement. Enable this option only when
System Profile is set to Performance or Custom, and CPU
Power Management is set to Performance. This item can be
selected for each system profile mode. This option is set to
Disabled by default.
NOTE: Depending on the number of installed processors,
there might be up to two processor listings.
Dell AVX Scaling Technology Enables you to configure the Dell AVX scaling technology. This
option is set to 0 by default. Enter the value from 0 to 12
bins. The value that is entered decreases the Dell AVX Scaling
Technology frequency when the Dell-controlled Turbo feature is
enabled.
Optimizer Mode Enables or disables the CPU performance. When this option
is set to Auto, set the CPU Power Management to Max
Performance. When set to Enabled, enables the CPU Power
Management settings. When set to Disabled, the CPU Power
Management option is disabled. This option is set to Auto by
default.
Number of Cores per Processor Controls the number of enabled cores in each processor. This
option is set to All by default.
CPU Physical Address Limit Limit CPU physical address to 46 bits to support older Hyper-V.
If enabled, automatically disables TME-MT. This option is set to
Enabled by default.
AMP Prefetch This option enables one of the Mid-Level Cache (MLC) AMP
hardware Prefetcher. This option is set to Disabled by default.
Homeless Prefetch This option allows L1 Data Cache Unit (DCU) to prefetech, when
the Fill Buffers (FB) is full. Auto maps to hardware default
setting. This option is set to Auto by default.
Uncore Frequency RAPL This setting controls whether the Running Average Power Limit
(RAPL) balancer is enabled or not. If enabled, it activates the
52 Pre-operating system management applications