Advantech PCM-9588 - Manual (Page 42)

PCM-9588 User Manual 32
3.2.9 Frequency/voltage Control
! Spread Spectrum [Disabled]
This item enables users to set the spread spectrum modulation, if desired.
3.2.10 Load Optimized Defaults
Note! This "Frequency/Voltage Control" option controls the CPU Host and PCI
frequency, this page depends on the CPU and chipset installed; some
items will show up only when you install a processor which supports
those functions.