Dell PowerEdge C6220 - Manual (Page 84)

84 | Using the System Setup Program
Option Description
Active Processor Cores
(All Cores default) This field controls the number of enabled core in each
processor.
Frequency Ratio
(Auto default) Sets frequency multiplier as maximum level.
Downgrade- set multiplier 1~3 levels.
Max CPUID Value Limit
(Disabled default) Some OS, which is (NT4), fails if the value returned in
EAX is >3 when CPUID instruction is executed with
EAX=0.
Disabled - this setting disables the 3 or less.
Enabled - this setting limits CPUID function to 3
Virtualization Technology
(Disabled default) Enabled (applicable processors) / Disabled (unusable
in any OS). This feature allows the users to set the VT
technology in applicable processors.
QPI Frequency
(Auto default) Selects link speed: 6.4GTs/7.2GTs/8.0GTs
Turbo Mode Enables processor Turbo Mode (requires EMTTM