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Chapter 3
Frequency/Voltage Control
Use this menu to specify your settings for frequency/voltage control.
Spread Spectrum
When the motherboard's clock generator pulses, the extreme values (spikes)
of the pulses creates EMI (Electromagnetic Interference). The Spread Spec-
trum 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 be-
cause even a slight jitter can introduce a temporary boost in clockspeed which
may just cause your overclocked processor to lock up.
CPU FSB Clock
This item allows you to select the CPU Front Side Bus clock frequency (in
MHz). Setting options range from 100 to 220. If you install a CPU other
than 100MHz FSB, you should change the setting to corresponding FSB
frequency; otherwise, the CPU will run at the default configuration 100MHz.
The field allows you to overclock the processor by adjusting the FSB clock
to a higher frequency.
3-28
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