DELL 1950 User Manual

Page of 160
Using the System Setup Program
35
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.
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 
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.
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 and core speed, amount of level 2 cache, and the 
number of cores.