User`s manual

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BIOS Setup
4.5 System Specific Setup
4.5.1 CPU Frequency Ratio
Select CPU frequency multiplier. CPU core frequency = system bus x ratio. Must RESET
system if a new ratio is selected.
4.5.2 Unused PCI Slot Clock
Turn on or off the clock for unused PCI slots.
4.5.3 Unused DIMM Socket clock
Turn on or off the clock for unused DIMM sockets.
4.5.4 Spread Spectrum
Select Spread Spectrum method. Default is Off.