Micro-Star International H81M-P33 PLUS Serie Mode D'emploi page 29

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▶ DRAM Voltage [Auto]
Sets the memory voltage. If set to "Auto", BIOS will set memory voltage
automatically or you can set it manually.
▶ Spread Spectrum
This function reduces the EMI (Electromagnetic Interference) generated by
modulating clock generator pulses.
[Enabled]
Enables the spread spectrum function to reduce the EMI
(Electromagnetic Interference) problem.
[Disabled]
Enhances the overclocking ability of CPU Base clock.
Important
• If you do not have any EMI problem, leave the setting at [Disabled] for optimal
system stability and performance. But if you are plagued by EMI, select the value
of Spread Spectrum for EMI reduction.
• The greater the Spread Spectrum value is, the greater the EMI is reduced, and
the system will become less stable. For the most suitable Spread Spectrum value,
please consult your local EMI regulation.
• Remember to disable Spread Spectrum if you are overclocking because even a
slight jitter can introduce a temporary boost in clock speed which may just cause
your overclocked processor to lock up.
▶ CPU Features
Press <Enter> to enter the sub-menu.
▶ Hyper-Threading Technology [Enabled]
The processor uses Hyper-Threading technology to increase transaction rates
and reduces end-user response times. Intel Hyper-Threading technology treats
the multi cores inside the processor as multi logical processors that can execute
instructions simultaneously. In this way, the system performance is highly
improved.
[Enable]
[Disabled]
▶ Active Processor Cores [All]
This item allows you to select the number of active processor cores.
▶ Limit CPUID Maximum [Disabled]
Enables or disables the extended CPUID value.
[Enabled]
[Disabled]
Enables Intel Hyper-Threading technology.
Disables this item if the system does not support HT function.
BIOS will limit the maximum CPUID input value to circumvent
boot problems with older operating system that do not support
the processor with extended CPUID value.
Use the actual maximum CPUID input value.
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