Acer Power S290 Informations techniques télécharger pdf (Page 37)

31 Chapter 2

Frequency/Voltage Control

The following table describes the parameters found in this menu. Settings in boldface are the default and

suggested settings.

when your hardware does not support them. If you only want to install setup defaults for a specific option,

select and display that option.

Parameter Description Options

Auto Detect DIMM/PCI Clk This option allows you to enable/disable the

feature of auto detecting the clock frequency of

the installed PCI bus.

Enabled

Disabled

Spread Spectrum When the motherboard’s clock generator pulses,

the extreme values (spikes) of the pulses creates

EMI (Electromagnetic Interference). The spread

Spectrum function reduces the EMI generated by

modulating the pulses so that the spikes of the

pulses are reduced to flatter curves. 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,

setting to Enabled for EMI reduction. Remember

to disable Spread Spectrum if you are

overlocking because even a slight jitter can

introduce a temporary boost in clockspeed which

may just cause your overlock ed processor to

lock up.

Enabled

Phoenix - AwardBIOS CMOS Setup Utility

Frequency/Voltage Control

Auto Detect DIMM/PCI Clk [Enabled]

Help Item

Spread Spectrum [Enabled]

KLIJ :Move Enter: Select +/-/ :Value F10:Save ESC:Exit F1:General Help

F5:Previous Values F7:Optimized Defaults

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Acer Power S290 Informations techniques Page 37