Gigabyte GA-7PESH3 Manual - Page 50

L3 Cache, CPU Speed, Active Processor Cores, Limit CPUID Maximum, Execute Disable Bit, Energy - windows 7

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L3 Cache Display the total L2 cache memory of the installed processor in megabytes. This item appears when the installed processor supports L3 . CPU Speed Display the current installed CPU speed. 64-bit Display the supported infprmation of installed CPU. Active Processor Cores (Note) Allows you to determine whether to enable all CPU cores. Options available: All/1/2/3. Default setting is All. Limit CPUID Maximum When enabled, the processor will limit the maximum COUID input values to 03h when queried, even if the processor suppports a higher CPUID input value. When disabled, the processor will return the actual maximum CPUID input value of the processor when queried. Options available: Enabled/Disabled. Default setting is Disabled. Execute Disable Bit When enabled, the processor prevents the execution of code in data-only memory pages. This provides some protection against buffer overflow attacks. When disabled, the processor will not restrict code execution in any memory area. This makes the processor more vulnerable to buffer overflow attacks. Options available: Enabled/Disabled. Default setting is Enabled. Energy Performance Energy Performance Bias is Intel CPU function. The larger value in MSR_ENERGY_PERFORMANCE_BIAS register, CPU will save more power but lose more performance. Note: This register will be changed by OS too if OS support it like Windows 2008 or newer Linux. Options available: Performance : Write value 0 into MSR_ENERGY_PERFORMANCE_BIAS Balanced Performance: Write value 7 into MSR_ENERGY_PERFORMANCE_BIAS Balanced Energy: Write value 11 into MSR_ENERGY_PERFORMANCE_BIAS Energy Efficient: Write value 15 into MSR_ENERGY_PERFORMANCE_BIAS Default setting is Performance. Intel Virtualization Technology Select whether to enable the Intel Virtualization Technology function. VT allows a single platform to run multiple operating systems in independent partitions. Options available: Enabled/Disabled. Default setting is Enabled. (Note) This item is present only if you install a CPU that supports this feature. For more information about Intel CPUs' unique features, please visit Intel's website. BIOS Setup - 50 -

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BIOS Setup
- 50 -
(Note)
This item is present only if you install a CPU that supports this feature. For more information about
Intel CPUs' unique features, please visit Intel's website.
L3 Cache
Display the total L2 cache memory of the installed processor in megabytes. This item appears when the
installed processor supports L3 .
CPU Speed
Display the current installed CPU speed.
64-bit
Display the supported infprmation of
installed CPU.
Active Processor Cores
(Note)
Allows you to determine whether to enable all CPU cores.
Options available: All/1/2/3. Default setting is
All
.
Limit CPUID Maximum
When enabled, the processor will limit the maximum COUID input values to 03h when queried, even if
the processor suppports a higher CPUID input value.
When disabled, the processor will return the actual maximum CPUID input value of the processor when
queried.
Options available: Enabled/Disabled. Default setting is
Disabled
.
Execute Disable Bit
When enabled, the processor prevents the execution of code in data-only memory pages. This provides
some protection against buffer overflow attacks.
When disabled, the processor will not restrict code execution in any memory area. This makes the
processor more vulnerable to buffer overflow attacks.
Options available: Enabled/Disabled. Default setting is
Enabled
.
Energy Performance
Energy Performance Bias is Intel CPU function.
The larger value in MSR_ENERGY_PERFORMANCE_BIAS register,
CPU will save more power but lose more performance.
Note:
This register will be changed by OS too if OS support it like Windows 2008 or newer Linux.
Options available:
Performance : Write value 0 into MSR_ENERGY_PERFORMANCE_BIAS
Balanced Performance: Write value 7 into MSR_ENERGY_PERFORMANCE_BIAS
Balanced Energy: Write value 11 into MSR_ENERGY_PERFORMANCE_BIAS
Energy Efficient: Write value 15 into MSR_ENERGY_PERFORMANCE_BIAS
Default setting is
Performance
.
Intel Virtualization Technology
Select whether to enable the Intel Virtualization Technology function. VT allows a single platform to run
multiple operating systems in independent partitions.
Options available: Enabled/Disabled. Default setting is
Enabled
.