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VB9001 User Manual
6.6.4
Clock Generator Configuration
The Clock Generator Configuration screen enables access to the Spread Spectrum Setting feature.
Figure 39:
Illustration of Clock Generator Configuration screen
6.6.4.1 CPU Spread Spectrum
The Spread Spectrum Setting feature enables the BIOS to modulate the clock frequencies originating from the
mainboard. The settings are in percentages of modulation. The Higher percentages result in greater modulation
of the clock frequencies. This feature has 3 options: Disabled, +-0.25% and -0.5%.
6.6.4.2 PCIe Spread Spectrum
When selecting the PCIe Spread Spectrum feature, three options will be available: Disabled, +-0.25% and -0.5%.
Aptio Setup Utility Copyright (C) 2011 American Megatrends, Inc.
Version 2.13.1216. Copyright (C) 2011 American Megatrends, Inc.
: Select Screen
: Select Item
Enter: Select
+/-: Change Opt.
F1: General Help
F2: Previous Values
F3: Optimized Defaults
F4: Save & Exit
ECS: Exit
CPU Spread Spectrum
PCIe Spread Spectrum
[+-0.25%]
CPU Spread Spectrum
[+-0.25%]
Advanced