Chapter 5: BIOS
Table 5-4. CPU Configuration Submenu (Continued)
Menu Option
Intel® Virtualization Technology
CPU Power
Management
Configuration
Power Technology
Energy
Performance
Long Duration
Power Limit
Long Duration
Maintained
Short Duration
Power Limit
Description
Select Enabled to use this Virtualization Technology feature to allow one platform to run multiple operating systems and applications in independent partitions, creating multiple “virtual” systems in one physical computer system. The options are Enabled and Disabled. Please refer to the Intel website for further detailed information.
NOTE: A full reset of the system is required when you change this setting.
Power manage
ment options and information is displayed on this submenu. In addition to the options in this submenu, information is displayed for Factory Long Duration Power Limit, Factory Long Duration Maintained and Recommended Short Duration Power.
This option enables power managment features. Options include Disable, Energy Efficient and Custom. Selecting “Custom” allows you to either Enable or Disable the following features and their defaults:
•EIST (Enabled)
•Turbot Mode (Enabled)
•C1E Support (Enabled)
•CPU C3 Report (Disabled)
•CPU C6 Report (Enabled)
•CPU C7 Report (Enabled)
•Package
•Energy Performance
•Long Duration Power Limit
•Long Duration Maintained
•Short Duration Power Limit
This option allows you to optimize between power and energy savings. Windows 2008 and later OSes overides this value according to its power plan. Options include Performance, Balanced Performance, Balanced Energy and Energy Efficient.
This option allows you to set the long duration power limit in Watts. To set the value, enter a number from your keyboard in the field highlighted. To reset the number, enter a new number.
This option allows you to set the time window for which the long duration power limit is maintained. To set the time value, enter a number from your keyboard in the field highlighted. To reset the number, enter a new number.
This option allows you to set the short duration power limit in Watts. To set the value, enter a number from your keyboard in the field highlighted. To reset the number, enter a new number.
