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Intel's Execute Disable Bit functionality can help prevent certain classes of malicious buffer
overow 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,
rewall, spyware removal, e-mail ltering software, and other network security measures, IT
managers can free IT resources for other initiatives.
► Intel(R) HT Technology
Hyper-Threading Technology allows one physical processor package to be perceived as two
separate logical processors within the operating system. This option is used to enable or dis-
able the feature. It will be displayed only if your CPU is supporting this feature.
► Active Processor Cores
This item is used to select the number of cores to enable in each processor package.
► Intel PPM Conguration
Press <Enter> to go to relative submenu.
Intel PPM Conguration
► EIST Function (Appears only when CPU supports)
You can select the EIST (Processor Power Management, PPM) through this item.
CMOS Setup Utility - Copyright (C) 1985-2008, American Megatrends, Inc.
Intel PPM Conguration
Intel PPM Configuration Help Item
EIST Function [Disabled Disabled: Disable GV3
Intel(R) C-STATE Tech [Enabled] Enabled: Enable GV3
C State Package Limit Setting [Auto]
C1 Auto Demotion [Enabled]
C3 Auto Demotion [Enabled]
↑↓→←:Move Enter:Select +/-/:Value F10:Save ESC:Exit F1:General Help
F9: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 require-
ments must be met, including CPU, chipset, motherboard, BIOS and operation system.
Please refer to Intel Website for more information.
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