Foxconn G31MX-K 2.0 English Manual. - Page 38

► Limit CPUID MaxVal, ► C1E Function, ► Execute Disable Bit, ► EIST Function

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CPU Feature Phoenix - AwardBIOS CMOS Setup Utility CPU Feature Limit CPUID MaxVal [Disabled] C1E Function [Auto] Execute Disable Bit [Enabled] EIST Function [Enabled] Item Help Menu Level ► Set Limit CPUID MaxVal to 3. Should Be "Disabled" for WinXP 3 Move Enter:Select +/-/PU/PD:Value F10:Save ESC:Exit F1:General Help F5: Previous Values F7: Optimized Defaults ► Limit CPUID MaxVal This item is used to enable or disable CPUID maximum value limit configuration. Set Limit CPUID MaxVal to 3. Should be [Disabled] for WinXP. ► C1E Function C1E represents Enhanced HALT State. It is a feature which Intel CPU uses to reduce power consumption when in halt state. C1E drops the CPU's multiplier and voltage to lower levels when a HLT (halt) command is issued. This item is used to enable/disable the C1E support. ► Execute Disable 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. ► EIST Function You can select 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. 31 CAUTION

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31
3
CPU Feature
► Limit CPUID MaxVal
This item is used to enable or disable CPUID maximum value limit configuration. Set Limit
CPUID MaxVal to 3. Should be [Disabled] for WinXP.
► C1E Function
C1E represents Enhanced HALT State. It is a feature which Intel CPU uses to reduce power
consumption when in halt state. C1E drops the CPU's multiplier and voltage to lower levels
when a HLT (halt) command is issued. This item is used to enable/disable the C1E support.
► Execute Disable 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.
► EIST Function
You can select the EIST (Processor Power Management, PPM) through this item.
Phoenix - AwardBIOS CMOS Setup Utility
CPU Feature
Limit CPUID MaxVal
[Disa
bled]
Item Help
C1E Function
[Auto]
Execute Disable Bit
[Enabled]
Menu Level
►
EIST Function
[Enabled]
Set Limit CPUID MaxVal
to 3. Should Be
"Disabled" for WinXP
↑↓→←:Move
Enter:Select
+/-/PU/PD:Value
F10:Save
ESC:Exit
F1:General Help
F5: Previous Values
F7: Optimized Defaults
Disabled
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.
CAUTION
!