10 BIOS Operation

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

 

Enables and disables the 2nd CPU core

 

 

 

 

 

 

Disabled

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Enabled

 

 

 

 

 

 

 

Processor Power Management

 

 

GV3 only

 

 

Selects the processor power management

 

 

 

 

 

 

C-states only

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Disabled

 

 

 

 

 

 

 

Enhanced C-States Enable

 

 

Enabled

 

 

Enables enhanced C-states support

 

 

 

 

 

 

Disabled

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Timestamp Counter Updates

 

 

Enabled

 

Control TSC updates after C3/C4 through this

 

 

 

 

 

 

Disabled

 

setup option

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Enabled

 

 

When disabled, forces the Execute-

 

 

 

 

No Execute Mode Mem Protection

 

 

 

 

Disable Bit Capability extended

 

 

 

 

 

 

Disabled

 

 

 

 

 

 

 

 

 

 

 

 

feature bit to always return 0.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Enabled

 

 

When enabled a virtual machine can utilize

 

 

 

Intel® Virtualization Technology

 

 

 

 

the additional hardware virtualization

 

 

 

 

 

Disabled

 

 

 

 

 

 

 

 

 

 

 

capabilities.

 

 

 

 

 

 

 

 

 

 

 

 

 

Set Max Ext CPUID = 3

 

 

Enabled

 

Set Max CPUID extended function value to 3

 

 

 

 

 

 

Disabled

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Kontron User's Guide ETX CD

62

Page 62
Image 62
Intel ETX CD manual CPU Control, Feature bit to always return