MSI GF615M-P31 Mode D'emploi page 25

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.
MS-7597
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