Foxconn Q67M-S English Manual - Page 33
Performance Tuning
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3 ► C1E Support(Appears only when CPU supports) C1E represents Enhanced HALT State. It is a feature which 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. ► Hyper-Threading This item is used to enable/disable the Hyper-Threading Technology feature. ► 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. ► Intel Virtualization Technology (Appears only when CPU supports) Virtualization (i.e. Intel® Vanderpool Technology) allows a platform to run multiple operating systems and applications in independent partitions or "containers." One physical compute system can function as multiple "virtual" systems. Vanderpool Technology can help improve future virtualization solutions. This item will be displayed only when the CPU is supporting this feature and the setting is used to enable/disable it. ► CPU C6 Report This item is used to enable or disable CPU C6(ACPI C3) report to OS. ► Package C State limit It is used to select the C-State mode. Performance Tuning CPU Performance Tuning Aptio Setup Utility - C opyright (C) 2010 American Megatrends, Inc. Advanced EIST Turbo Mode 1-Core Ratio Limit 2-Core Ratio Limit 3-Core Ratio Limit 4-Core Ratio Limit [Enabled] [Enabled] 36 34 32 31 Enhance Intel SpeedStep Technology → ← : Select Screen ↑ ↓ : Select Item Enter: Select +/-: Change Opt. F1: General Help F2: Previous Values F3: Optimized Defaults F4: Save & Exit ESC: Exit Version 2.02.1205. Copyright (C) 2010 American Megatrends, Inc. 26