MSI KT4V User Guide - Page 74

Frequency/Voltage Control, Spread Spectrum, CPU FSB Clock, CPU Ratio/Vcore V

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MS-6712 ATX Mainboard 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 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, select one of the options 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 overclocked processor to lock up. Available options: +/-0.25%, +/-0.5%, +/-0.75%, Disabled. CPU FSB Clock This item allows you to select the CPU Front Side Bus clock frequency (in MHz) and overclock the processor by adjusting the FSB clock to a higher frequency. Select the number between 100~280 for needed frequency. CPU Ratio/Vcore (V) The settings are used to adjust the CPU clock multiplier (ratio) and CPU corevoltage (Vcore). These settings offer users a tool to overclock the system. 3-28

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MS-6712 ATX Mainboard
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, select
one of the options
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 overclocked processor to lock up.
Available options:
+/-0.25%, +/-0.5%, +/-0.75%, Disabled.
CPU FSB Clock
This item allows you to select the CPU Front Side Bus clock frequency (in
MHz) and overclock the processor by adjusting the FSB clock to a higher
frequency. Select the number between
100~280
for needed frequency.
CPU Ratio/Vcore (V)
The settings are used to adjust the CPU clock multiplier (ratio) and CPU
corevoltage (Vcore). These settings offer users a tool to overclock the system.
Frequency/Voltage Control