Installing and Configuring the EVGA nForce 680i SLI Motherboard
Frequency Settings
CPU Freq, MHz
This value is set by the CPU Multiplier (value cannot be changed by the user).
FSB Reference Clock. MHz
This value is set by the system (value cannot be changed by the user). To change the
CPU Multiplier
This value changes the CPU Frequency value depending on the value you choose. Use the Page Up and Page Down keys to scroll through the options. The options are from 6 X through 60 X.
PCIe x16_1, MHz
Use the Page Up and Page Down keys to scroll through the frequency options for the PCI Express Bus, Slot 1 (the black slot closest to the CPU). Note that as you go higher in value, PCIe Spread Spectrum(SPP) is disabled and cannot be changed from this status.
PCIe x16_3, MHz
Use the Page Up and Page Down keys to scroll through the frequency options for the PCI Express Bus, Slot 3 (the blue slot in the middle).
PCIe x16_2, MHz
Use the Page Up and Page Down keys to scroll through the frequency options for the PCI Express Bus, Slot 3 (the black slot farthest from the CPU). Note that as you go higher in value, PCIe Spread Spectrum(MCP) is disabled and cannot be changed from this status.
SPP<—>MCP Ref Clock, MHz
Use the Page Up and Page Down keys to scroll through the frequency options for the reference clock between the SPP chip and the MCP chip. Note that as you go higher in value, HT Spread Spectrum is disabled and cannot be changed from this status.
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