MS-7267 Mainboard
3-22
1.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.
2.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.
3.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
Auto Disable DIMM/PCI Freque
This item is used to auto detect the DIMM/PCI slots. When set to [Enabled], the system
will remove (turn off) clocks from empty DIMM/PCI slots to minimize the electromag-
netic interference (EMI).
Memory Voltage
Adjusting the DDR voltage can increase the DDR speed. Any changes made to this
setting may cause a stability issue, so changing the DDR voltage for long-term
purpose is NOT recommended.
PCI Express Voltage (V)
These item adjusts the voltage of PCI Express Voltage. Any changes made to this
setting may cause a stability issue, so changing the PCIE voltage for long-term
purpose is NOT recommended.
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.
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