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ASUS P8H77-M LE 사용자 설명서

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Chapter 2: BIOS information
2-18
Hyper-threading [Enabled]
The Intel Hyper-Threading Technology allows a hyper-threading processor to appear as two 
logical processors to the operating system, allowing the operating system to schedule two 
threads or processes simultaneously.
[Enabled] 
Two threads per activated core are enabled.
[Disabled] 
Only one thread per activated core is enabled.
Active Processor Cores [All]
Allows you to choose the number of CPU cores to activate in each processor package. 
Configuration options: [All] [1] [2] [3]
Limit CPUID Maximum [Disabled]
[Enabled] 
 Allows legacy operating systems to boot even without support for CPUs 
with extended CPUID functions.
[Disabled] 
Disables this function.
Execute Disable Bit [Enabled]
[Enabled] 
Enables the No-Execution Page Protection Technology.
[Disabled] 
Forces the XD feature flag to always return to zero (0).
Intel
®
 Virtualization Technology [Disabled]
[Enabled] 
Allows a hardware platform to run multiple operating systems separately 
and simultaneously, enabling one system to virtually function as several 
systems.
[Disabled] 
Disables this function.
Hardware Prefetcher [Enabled]
[Enabled] 
Allows a hardware platform to run multiple operating systems separately 
and simultaneously, enabling one system to virtually function as several 
systems.
[Disabled] 
Disables this function. 
Adjacent Cache Line Prefetch [Enabled]
[Enabled] 
Allows a hardware platform to perform adjacent cache line prefetching.
[Disabled] 
Disables this function. 
CPU Power Management Configuration
CPU Ratio [Auto]
Allows you to set the ratio between the CPU Core Clock and the BCLK Frequency. Use <+> and 
<-> keys to adjust the ratio. The valid value ranges vary according to your CPU model.
Enhanced Intel SpeedStep Technology [Enabled]
Allows you to enable or disable the Enhanced Intel
®
 SpeedStep Technology (EIST).
[Disabled]  The CPU runs at its default speed.
[Enabled] 
The operating system controls the CPU speed.
Turbo Mode [Enabled]
This item appears only when you set the Enhanced Intel SpeedStep Technology item to 
[Enabled] and allows you to enable or disable the Intel
®
 Turbo Mode Technology.
[Enabled] 
Allows processor cores to run faster than marked frequency in specific condition.
[Disabled]  Disables this function.