Cpu Configuration Submenu - Congatec COM Express conga-B915 User Manual

9.4.4

CPU Configuration Submenu

Feature
Processor Info Block
Execute Disable Bit
Intel SpeedStep tech.
Max. CPU Frequency
Max. CPU Frequency
(Battery)
On Demand Clock
Modulation
C2 State Support
C3 State Support
Copyright © 2008 congatec AG
Options Description
No option Displays the processor manufacturer, brand, frequency, and cache sizes.
Disabled Enable or disable the hardware support for data execution prevention.
Enabled
Maximum Speed Maximum: CPU speed is set to maximum.
Minimum Speed Minimum: CPU speed is set to minimum.
Automatic
Automatic: CPU speed is controlled by the operating system.
Disabled Disabled: No SpeedStep, default CPU speed.
Note: Feature not available for Celeron M CPUs.
(Available options Allows to reduce the maximum processor frequency. This limits the maximum frequency the CPU can be set to when
depend on processor) SpeedStep is set to Automatic or Maximum Speed. Used when the system is AC powered.
Note: Feature not available for Celeron M CPUs.
(Available options Allows to reduce the maximum processor frequency. This limits the maximum frequency the CPU can be set to when
depend on processor) SpeedStep is set to Automatic or Maximum Speed. Used when the system is battery powered.
Note: Feature not available for Celeron M CPUs. This feature only visible when system is connected to a congatec compliant
battery system.
Disabled Allows a reduction of the performance of the processor by utilizing clock modulation. The value indicates the CLOCK ON to
75% CLOCK OFF interval ratio. E.g. 75% results in a performance decrease of about 25%.
50% Note: Feature only available for Celeron M CPUs.
25%
Disabled Enable or disable C2 state for ACPI operating systems.
Enabled
Disabled Enable or disable C3 state for ACPI operating systems.
Enabled
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