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

Displays when the processors support HyperThreading. Enabled

(Enabled default)

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.

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.

Adjacent Cache Line

Enables or disables optimal use of sequential memory access. Disable

Prefetch

this option for applications that require high use of random memory

(Enabled default)

access.

 

 

Hardware Prefetcher

Enables or disables the hardware prefetcher.

(Enabled default)

 

 

 

Demand-Based Power

Enables or disables demand-based power management. When

Management

enabled, the CPU Performance State tables will be reported to the

(Disabled default)

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 and core speed, amount of level 2 cache, and the

 

number of cores.

 

 

Using the System Setup Program

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Dell 1950 owner manual CPU Information Screen