MSI P55M-GD45 User Guide - Page 62

CPU: An Intel

Page 62 highlights

▍ BIOS Setup ▶ Hyper-Threading Function The processor uses Hyper-Threading technology to increase transaction rates and reduces end-user response times. The technology treats the two cores inside the processor as two logical processors that can execute instructions simultaneously. In this way, the system performance is highly improved. If you disable the function, the processor will use only one core to execute the instructions. Please disable this item if your operating system doesn't support HT Function, or unreliability and instability may occur. Important Enabling the functionality of Hyper-Threading Technology for your computer system requires ALL of the following platform Components: • CPU: An Intel® Processor with HT Technology; • Chipset: An Intel® Chipset that supports HT Technology; • BIOS: A BIOS that supports HT Technology and has it enabled; • OS: An operating system that supports HT Technology. For more information on Hyper-threading Technology, go to: http://www.intel.com/products/ht/hyperthreading_more.htm ▶ Execute Bit Support Intel's Execute Disable Bit functionality can prevent certain classes of malicious "buffer overflow" attacks when combined with a supporting operating system. This functionality 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 or worm propagation. ▶ Set Limit CPUID MaxVal to 3 The Max CPUID Value Limit is designed limit the listed speed of the processor to older operating systems. ▶ Intel Virtualization Tech This item is used to enable/disable the Intel Virtualization technology. For further information please refer to Intel's official website. ▶ Active Processor This item allows you to select the number of active processor cores. ▶ Intel EIST The Enhanced Intel SpeedStep technology allows you to set the performance level of the microprocessor whether the computer is running on battery or AC power. This field will appear after you installed the CPU which supports speedstep technology. ▶ C1E Support To enable this item to read the CPU power consumption while idle. Not all processors support Enhanced Halt state (C1E). ▶ Intel Turbo Boost This item will appear when you install a CPU with Intel Turbo Boost technology. This item is used to enable/ disable Intel Turbo Boost technology. It can scale processor 3-20

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3-20
BIOS Setup
Hyper-Thread±ng Funct±on
The processor uses Hyper-Thread±ng technology to ±ncrease transact±on rates and
reduces end-user response t±mes. The technology treats the two cores ±ns±de the
processor as two log±cal processors that can execute ±nstruct±ons s±multaneously.
In
th±s way, the system performance ±s h±ghly ±mproved. If you d±sable the funct±on, the
processor w±ll use only one core to execute the ±nstruct±ons. Please d±sable th±s ±tem
±f your operat±ng system doesn’t support HT Funct±on, or unrel±ab±l±ty and ±nstab±l±ty
may occur.
Important
Enabl±ng the funct±onal±ty of Hyper-Thread±ng Technology for your computer system
requ±res ALL of the follow±ng platform Components:
CPU: An Intel
®
Processor w±th HT Technology;
Ch±pset: An Intel
®
Ch±pset that supports HT Technology;
BIOS: A BIOS that supports HT Technology and has ±t enabled;
OS: An operat±ng system that supports HT Technology.
For more ±nformat±on on Hyper-thread±ng Technology, go to:
http://www.±ntel.com/products/ht/hyperthread±ng_more.htm
Execute B±t Support
Intel’s Execute D±sable B±t funct±onal±ty can prevent certa±n classes of mal±c±ous
“buffer overflow” attacks when comb±ned w±th a support±ng operat±ng system. Th±s
funct±onal±ty allows the processor to class±fy areas ±n memory by where appl±cat±on
code can execute and where ±t cannot. When a mal±c±ous worm attempts to ±nsert
code ±n the buffer, the processor d±sables code execut±on, prevent±ng damage or
worm propagat±on.
Set L±m±t CPUID MaxVal to 3
The Max CPUID Value L±m±t ±s des±gned l±m±t the l±sted speed of the processor to
older operat±ng systems.
Intel V±rtual±zat±on Tech
Th±s ±tem ±s used to enable/d±sable the Intel V±rtual±zat±on technology. For further
±nformat±on please refer to Intel’s offic±al webs±te.
Act±ve Processor
Th±s ±tem allows you to select the number of act±ve processor cores.
Intel EIST
The Enhanced Intel SpeedStep technology allows you to set the performance level of
the m±croprocessor whether the computer ±s runn±ng on battery or AC power. Th±s field
w±ll appear after you ±nstalled the CPU wh±ch supports speedstep technology.
C1E Support
To enable th±s ±tem to read the CPU power consumpt±on wh±le ±dle. Not all processors
support Enhanced Halt state (C1E).
Intel Turbo Boost
Th±s ±tem w±ll appear when you ±nstall a CPU w±th Intel Turbo Boost technology. Th±s
±tem ±s used to enable/ d±sable Intel Turbo Boost technology. It can scale processor