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Using the System Setup Program 41
CPU Information Screen
Table 2-3 lists the options and descriptions for the information fields that appear on the
CPU Information
screen.
Table 2-3. CPU Information Screen
Option Description
Bus Speed Displays the bus speed of the processors.
Logical Processor
(Enabled default)
Displays when the processors support HyperThreading. Enabled
permits all logical processors to be used by the operating system.
Only the first logical processor of each processor installed in the
system is used by the operating system if Disabled is selected.
Adjacent Cache Line
Prefetch
(Enabled default)
Enables or disables optimal use of sequential memory access.
Disable this option for applications that require high use of random
memory access.
Virtualization Technology
(Disabled default)
Displays when the processor(s) support Virtualization Technology.
Enabled permits virtualization software to utilize Virtualization
Technology functions incorporated in the processor design. This
feature can only be used by software that supports Virtualization
Technology.
Hardware Prefetcher
(Enabled default)
Enables or disables the hardware prefetcher.
Demand-Based Power
Management
(Disabled default)
Enables or disables demand-based power management. When
enabled, the CPU Performance State tables will be reported to the
operating system; when disabled, the CPU Performance State
tables will not be reported to the operating system. If any of the
CPUs do not support demand-based power management, the field
will become read-only, and automatically set to Disabled.
Processor X ID Displays the family and model number of each processor. A
submenu displays processor core speed, amount of level 2 cache,
and number of cores.
Book.book Page 41 Friday, February 3, 2006 11:09 AM