9.4.5 CPU Configuration Submenu for conga-XA945 variants only
Feature
Options
Description
Processor Info Block
No option
Displays the processor manufacturer, brand, frequency, and cache sizes.
MPS Revision
1.1
1.4
Select the revision of the multi processor support interface that should be
offered by the BIOS. Set back to 1.1 in case problems occur with older non
ACPI operating systems.
Max CPUID Value
Limit
Disabled
Enabled
When
enabled
, the processor will limit the maximum CPUID input value to
03h when queried, even if the processor supports a
higher CPUID input value. When
disabled
, the processor will return the
actual maximum CPUID input value of the processor when queried.
Limiting the CPUID input value may be required for older operating
systems that cannot handle the extra CPUID information returned when
using the full CPUID input value.
Execute Disable Bit
Disabled
Enabled
Enable or disable the hardware support for data execution prevention.
Intel SpeedStep tech.
Enabled
Disabled
Enabled: CPU speed is controlled by the operating system.
Disabled: No SpeedStep, default CPU speed.
Boot CPU Speed On
AC
Minimum
Maximum
Set boot CPU speed when powered by AC. ACPI OS may still change the
speed if SpeedStep is enabled.
Boot CPU Speed On
Battery
Minimum
Maximum
Set boot CPU speed when powered by battery. ACPI OS may still change
the speed if SpeedStep is enabled.
Intel C-State tech.
Enabled
Disabled
Enable support for standard C states.
Enhanced C-States
Enabled
Disabled
Enabled support for enhanced C states.
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