MSI G41M4-L User Guide - Page 25

thE grEATEr ThE SprEAD SpEcTrUm vAlUE Is, ThE grEATEr ThE eMi Is rEDUcED, - motherboard

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Page 25 highlights

MS-7592 Spread Spectrum When the motherboard's clock generator pulses, the extreme values (spikes) of the pulses create 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, set 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 clock speed which may just cause your overclocked processor to lock up. 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. 25

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25
MS-7592
SprEAD SpEcTrUm
WhEN ThE mOThErbOArD’s clOck gENErATOr pUlsEs, ThE ExTrEmE vAlUEs (spIkEs) Of
ThE pUlsEs crEATE eMi (elEcTrOmAgNETIc iNTErfErENcE). thE SprEAD SpEcTrUm fUNc-
TION 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, sET 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 clOck spEED whIch mAY jUsT cAUsE YOUr OvErclOckED prOcEs-
sOr TO lOck Up.
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.
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