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ECB-870
ECB-870 User’s Manual 69
4.5.9.3 Frequency Control Setup Defaults
4.5.9.4 CPU Clock Ratio
The Ratio of some latest Intel Corporation fixes CPUs and VIA so the Ratio cannot be
changed with the setting. If it did not fix by CPU manufacturer, it may be changed with the
setting. Over specification operations are not recommended.
4.5.9.5 Auto Detect PCI CLK
If you have the EMI issue, set the option as Enabled, it keeps its interference under
control.
The choice: Disable, Enable.
4.5.9.6 Spread Spectrum
Using the setting “ Enabled “, for EMI testing will increase the system stability. The default
setting is “ Disabled “.
The choice: Disable, Enable.