Acer Power SP Technical Information PDF herunterladen (Seite 40)

34 Chapter 2

Frequency Control

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

suggested settings.

Parameter Description Options

CPU Clock Ratio If the CPU Ratio is set to Manual, end users can

choose a suitable ratio to support the CPU.

8x to 50x

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

feature of auto detecting the clock frequency of

the installed DIMM/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

overclocking because even a slight jitter can

introduce a temporary boost in clockspeed which

may just cause your overlock ed processor to

lock up.

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Acer Power SP Technical Information Seite 40