BECKHOFF CB4051 - Manual (Page 57)

Frequency/Voltage Control Chapter: BIOS Settings
Beckhoff New Automation Technology CB4051 page 57
5.10 Frequency/Voltage Control
Phoenix – AwardBIOS CMOS Setup Utility
Frequency / Voltage Control
Auto Detect PCI Clk [Enabled]
Item Help
Spread Spectrum [-0.25%]
↑↓→←:Move Enter:Select +/-/PU/PD:Value F10:Save ESC:Exit F1:Help
F5: Previous Values F6: Fail-Safe Defaults F7: Optimized Defaults
ü Auto Detect PCI Clk
Options: Enabled / Disabled
ü Spread Spectrum
Options: -0.25% / -0.5% / -0.75% / -1% / +-0.125% / +-0.25% / +-0.375% / +-0.5%