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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 SLI-Ready memory, FSB memory, and memory timing, go to the FSB &
Memory screen.
• 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_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).
• 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.
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Installing and Configuring the BFG NVIDIA nForce 680i LT SLI Motherboard