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3.10 Frequency / Voltage Control
Figure 3.12: Spread Spectrum Control screen
3.10.1 CPU Clock Ratio
Type a DEC number to set up the CPU Clock Ratio (Min=14; Max=17).
This item only shows up in special situations.
3.10.2 Spread Spectrum
This setting allows you to reduce EMI by modulating the signals the CPU
generates so that the spikes are reduced to flatter curves. This is achieved
by varying the frequency slightly so that the signal does not use any par-
ticular frequency for more than a moment. The choices are "Disabled"
and "Enabled".
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Chapter 3
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