VIA Technologies EPIA-PN, User Manual

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Chapter 3
66
Auto Detect PCI Clk
Settings: [Disabled, Enabled]
CPU Clock
Key in a DEC number.
Settings: [Min = 100, Max = 333]
CPU Clock Ratio
Key in a DEC number.
Settings: [Min = 8, Max = 50]
Spread Spectrum
When the mainboard'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.
Settings: [Disabled, 0.20%, 0.25%, 0.35%]