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58 Using the System Setup Program and UEFI Boot Manager
Processor Settings Screen
Option Description
64-bit Specifies if the processor(s) support 64-bit extensions.
Core Speed Displays the processor clock speed.
Bus Speed Displays the processor bus speed.
Hyper Transport
Technology (HT3 default)
Displays the HyperTransport link speed, and depending
upon the system, this field may be read-only. HT3
capable systems ship with HT3 by default.
HT Assist (Enabled
default)
Enables or disables the HT Assist.
CPU Virtualization
Technology
(Enabled default)
Enabled permits virtualization software to use the
virtualization technology incorporated in the processor.
NOTE: Disable this feature if your system does not run
virtualization software.
DRAM Prefetcher
(Enabled default)
Enables or disables the DRAM prefetcher.
Hardware Prefetch
Training on Software
Prefetch
Enables or disables the Hardware prefetcher training on
software prefetcher.
Hardware Prefetcher
(Enabled default)
Enables or disables the hardware prefetcher.
Execute Disable
(Enabled default)
Enables or disables Execute Disable Memory Protection
Technology.
Number of Cores per
Processor (All default)
Controls the number of enabled cores in each processor.
C1E
(Disabled default)
When set to Enabled, the processor(s) can switch to a
minimum performance state when idle.
Processor X Family-
Model-Stepping
Displays the family and model number of each processor.
A submenu displays the core speed, the amount of cache
memory, and the number of cores of the processor(s).
book.book Page 58 Wednesday, February 17, 2010 6:17 PM