User`s manual

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3.12 Frequency/voltage Control
• CPU Clock Ratio Unlock
This feature provides the option to enable/disable the CPU clock ratio lock. Once it is enabled, user may
change the CPU clock ratio under the “CPU Clock Ratio” manually. It is strongly recommended to keep this
option as “disabled”, which will use the default settings provided by the CPU manufacturer.
• Spread Spectrum
This option let user enable/disable the spread spectrum for EMI consideration.