10 frequency / voltage control, 1 spread spectrum, Frequency / voltage control – Advantech Industrial Mini-ITX Motherboard with DDR2/Dual GbE/PCI AIMB-221 User Manual
Page 77: Chapter 3 a ward bios setup

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AIMB-221 User Manual
Chapter 3
A
ward
BIOS
Setup
3.10
Frequency / Voltage Control
Figure 3.11 Spread Spectrum Frequency/Voltage Control screen
3.10.1
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 fre-
quency slightly so that the signal does not use any particular frequency for more than
a moment. The choices are "Disabled" and "Enabled".