Via EPIA-PX10000G User Manual - Page 61
DRAM Clock, Auto Detect PCI Clk, Spread Spectrum
UPC - 825529001969
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FREQUENCY / VOLTAGE CONTROL Phoenix - AwardBIOS CMOS Setup Utility Frequency / Voltage Control DRAM Clock/Drive Control Auto Detect PCI Clk Spread Spectrum [Press Enter] [Enabled] [Disabled] Item Help Menu Level BIOS Setup : Move Enter: Select F5: Previous Values +/-/PU/PD: Value F10: Save F6: Fail-Safe Defaults ESC: Exit F1: General Help F7: Optimized Defaults DRAM Clock The chipset supports synchronous and asynchronous mode between host clock and DRAM clock frequency. Settings: [By SPD, 100 MHz, 133 MHz, 166 MHz, 200MHz, 266MHz] Auto Detect PCI Clk Settings: [Disabled, Enabled] 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%] 49