MSI MS-7269 Mode D'emploi page 18

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CPU Clock Ratio
This setting controls the multiplier that is used to determine the internal clock speed of the
processor relative to the external or motherboard clock speed. It is available only when the
processor supports this function.
Auto Detect PCI Clk
This item is used to auto detect the PCI slots. When set to [Enabled], the system will remove
(turn off) clocks from empty PCI slots to minimize the electromagnetic interference (EMI).
Settings: [Enabled], [Disabled].
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, select the desired range for EMI reduction.
Remember to disable Spread Spectrum function 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.
CPU 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.
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
The PCI Express voltage is adjustable in the field, allowing you to increase the performance of
your graphics card when overclocking. Note that any changes made to this setting may cause a
stability issue.
Load Fail-Safe/Optimized Defaults
The Fail-Safe Defaults are the default values set by the BIOS vendor for stable system
performance.
The Optimized Defaults are the default values set by the mainboard manufacturer specifically for
optimal performance of the mainboard.
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