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10 BIOS Operation
Kontron User's Guide ETX CD 62
CPU Control
CPU control detects which processor core is used and displays an additional submenu with the detected
processor core (yonah, merom, etc.).
Feature Option Description
Core Multi-Processing
Enabled
Disabled
Enables and disables the 2nd CPU core
Processor Power Management
Enabled
GV3 only
C-states only
Disabled
Selects the processor power management
Enhanced C-States Enable
Enabled
Disabled
Enables enhanced C-states support
Timestamp Counter Updates
Enabled
Disabled
Control TSC updates after C3/C4 through this
setup option
No Execute Mode Mem Protection
Enabled
Disabled
When disabled, forces the Execute-
Disable Bit Capability extended
feature bit to always return 0.
Intel® Virtualization Technology
Enabled
Disabled
When enabled a virtual machine can utilize
the additional hardware virtualization
capabilities.
Set Max Ext CPUID = 3
Enabled
Disabled
Set Max CPUID extended function value to 3
Note: when a Pentium M C423 is in used, then GV3 is not possible and C-States only is the default setting of
Processor Power Management