Foxconn Z77A-S User manual - Page 38

► Intel Virtualization Technology Appears only when CPU supports

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BIOS SETUP This item is used to select the number of cores to enable in each processor package. ► VID Override for Max Turbo Ratio This item is used to set VID override for max Turbo Ratio in 1/256 volts. ► IA Core Current Max(1/8 Amp) This item is used to set IA Core current max value for factory long duration power limit. Default value is get from CPU MSR. ► iGFX Core Current Max(1/8 Amp) This item is used to set iGFX Core current max value for factory long duration power limit. ► Graphics Voltage(1/256) This item is used to set the graphics voltage. ► Graphics Core Ratio Limit This item is used to set the graphics core ratio limit. ► Enhanced Intel SpeedStep Technolog You can enable/disable the EIST (Processor Power Management, PPM) through this item. Enhanced Intel SpeedStep® technology (EIST) allows the system to dynamically adjust processor voltage and core frequency, which can result in decreased average power consumption and decreased average heat production. There are some system requirements must be met, including CPU, chipset, motherboard, BIOS and operation system. Please refer to Intel website for more information. ► Turbo Mode You can enable/disable the Turbo mode. ► Power Limit 1 Value(1/8 Watt) When the "Turbo Mode" is enabled, this item is used to set the power limit 1 value. you can change the number by pressing "+/-" keys or input the number you want directly. ► Power Limit 2 Value (1/8 Watt) When the "Turbo Mode" is enabled, this item is used to set the power limit 2 value. Default value is get from CPU MSR. you can change the number by pressing "+/-" keys or input the number you want directly. ► 1 Core/2 Core/3 Core/4 Core Ratio Limit When the "Turbo Mode" is enabled, this limit is for 1/2/3/4 core active. 0 means using the factory-configured value. ► Limit CPUID Maximum This item is used to enable or disable CPUID maximum value limit configuration. It should be [Disabled] for WinXP. ► Execute Disabled Bit This item is used to enable/disable the Execute Disable Bit feature. Intel's Execute Disable Bit functionality can help prevent certain classes of malicious buffer overflow attacks when combined with a supporting operating system. Execute Disable Bit allows the processor to classify areas in memory by where application code can execute and where it cannot. When a malicious worm attempts to insert code in the buffer, the processor disables code execution, preventing damage and worm propagation. Replacing older computers with Execute Disable Bit-enabled systems can halt worm attacks, reducing the need for virus-related repairs. By combining Execute Disable Bit with anti-virus, firewall, spyware removal, e-mail filtering software, and other network security measures, IT managers can free IT resources for other initiatives. ► Intel Virtualization Technology (Appears only when CPU supports) Virtualization (i.e. Intel® Vanderpool Technology) allows a platform to run multiple operating 31

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BIOS SETUP
31
This item is used to select the number of cores to enable in each processor package.
► VID Override for Max Turbo Ratio
This item is used to set VID override for max Turbo Ratio in 1/256 volts.
► IA Core Current Max(1/8 Amp)
This item is used to set IA Core current max value for factory long duration power limit.
Default value is get from CPU MSR.
► iGFX Core Current Max(1/8 Amp)
This item is used to set iGFX Core current max value for factory long duration power limit.
► Graphics Voltage(1/256)
This item is used to set the graphics voltage.
► Graphics Core Ratio Limit
This item is used to set the graphics core ratio limit.
► Enhanced Intel SpeedStep Technolog
You can enable/disable the EIST (Processor Power Management, PPM) through this item.
Enhanced Intel SpeedStep® technology (EIST) allows the system to dynamically
adjust processor voltage and core frequency, which can result in decreased average
power consumption and decreased average heat production. There are some
system requirements must be met, including CPU, chipset, motherboard, BIOS and
operation system. Please refer to Intel website for more information.
► Turbo Mode
You can enable/disable the Turbo mode.
► Power Limit 1 Value(1/8 Watt)
When the “Turbo Mode” is enabled, this item is used to set the power limit 1 value. you can
change the number by pressing “+/-” keys or input the number you want directly.
► Power Limit 2 Value (1/8 Watt)
When the “Turbo Mode” is enabled, this item is used to set the power limit 2 value. Default
value is get from CPU MSR. you can change the number by pressing “+/-” keys or input the
number you want directly.
► 1 Core/2 Core/3 Core/4 Core Ratio Limit
When the “Turbo Mode” is enabled, this limit is for 1/2/3/4 core active. 0 means using the
factory-configured value.
► Limit CPUID Maximum
This item is used to enable or disable CPUID maximum value limit configuration. It should be
[Disabled] for WinXP.
► Execute Disabled Bit
This item is used to enable/disable the Execute Disable Bit feature.
Intel’s Execute Disable Bit functionality can help prevent certain classes of malicious buffer
overflow attacks when combined with a supporting operating system.
Execute Disable Bit allows the processor to classify areas in memory by where application
code can execute and where it cannot. When a malicious worm attempts to insert code in the
buffer, the processor disables code execution, preventing damage and worm propagation.
Replacing older computers with Execute Disable Bit-enabled systems can halt worm attacks,
reducing the need for virus-related repairs. By combining Execute Disable Bit with anti-virus,
firewall, spyware removal, e-mail filtering software, and other network security measures, IT
managers can free IT resources for other initiatives.
► Intel Virtualization Technology (Appears only when CPU supports)
Virtualization (i.e. Intel
®
Vanderpool Technology) allows a platform to run multiple operating