BECKHOFF CX50x0 - Manual (Page 67)

Notes on the documentation
CX50x0 - Hardware Documentation 65
Frequency/Voltage Control
This menu can be used to implement the CLK setting for the PCI bus. Moreover, the tolerances for the power supply
can be specified.
Phoenix - AwardBIOS CMOS Setup Utility
Frequency/Voltage Control
XDP-Clock [Disabled] Item Help
↑ ↓ → ← :Move Enter:Select +/-/PU/PD:Value F10:Save ESC:Exit F1:Help
F5: Previous Values F6: Fail-Safe Defaults F7: Optimized Defaults
XDP-Clock
This setting is for internal purposes and may not be modified.