Table 28. Processor Settings details (continued)
Option Description
Controller (iMC) directly. This option is set to Enabled by
default.
XPT Prefetch This option is set to Enabled by default.
LLC Prefetch Enables or disables the LLC Prefetch on all threads. This
option is set to Enabled by default.
Dead Line LLC Alloc Enables or disables the Dead Line LLC Alloc. This option is set
to Enabled by default. You can enable this option to enter the
dead lines in LLC or disable the option to not enter the dead
lines in LLC.
Directory AtoS Enables or disables the Directory AtoS. AtoS optimization
reduces remote read latencies for repeat read accesses
without intervening writes. This option is set to Disabled by
default.
AVX P1 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 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.
Dynamic SST-Performance Profile Enables you to reconfigure the processor using Dynamic
or Static Speed Select Technology. This option is set to
Disabled by default.
NOTE: This option will be hidden if the processor installed
does not support SST capabilities.
SST-Performance Profile Enables you to reconfigure the processor using Speed Select
Technology.
NOTE: This option will be hidden if the processor installed
does not support SST capabilities.
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.
NOTE: This option will be hidden if the processor installed
does not support SST capabilities.
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
Pre-operating system management applications 35