Dell EMC PowerEdge R650xs, Reference Manual

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Table 5. Processor Settings details (continued)
Option Description
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.
AVX ICC Pre-Grant Level Enables you to select between the different AVX ICC
transition levels offered by Intel. This option is set to
128
heavy 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.
Processor Core Speed Specifies the maximum core frequency of the processor.
Processor Bus Speed Specifies the bus speed of the processor.
NOTE: The processor bus speed option displays only
when both processors are installed.
Local Machine Check Exception Enables or disables the local machine check exception. This
is an extension of the MCA Recovery mechanism providing
the capability to deliver Uncorrected Recoverable (UCR)
Software Recoverable Action Required (SRAR) errors to
one or more specific logical processors threads receiving
previously poisoned or corrupted data. When enabled, the
Pre-operating system management applications 9