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MS-6738 Micro ATX Mainboard
Use this menu to specify your settings for frequency/voltage control.
Frequency/Voltage Control
Auto Detect DIMM/PCI Clk
This item is used to auto detect the PCI/DIMM slots. When set to Enabled,
the system will remove (turn off) clocks from empty PCI/DIMM slots to
minimize the electromagnetic interference (EMI). Setting options: Enabled,
Disabled.
Spread Spectrum
When the motherboard 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.
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. Settings: Disabled, +/-0.25%, -
0.37%, +/-0.50%, +/-0.75%.
CPU Host/SDRAM/PCI Clock
This item specifies the clock frequency of CPU host bus (FSB), SDRAM and
PCI bus. It provides a method for end users to overclock the processor. If the
item shows Default, the setting will use the default value for the clock frequency
of CPU host bus, SDRAM and PCI bus.
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