Foxconn 865G7AF-8EKS - Manual (Page 46)

Chapter 3 BIOS Description
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Frequency/Voltage Control
v CPU Clock Ratio (Default: Depend on CPU)
This option is used to set the ratio of an unlocked CPU.
Note: This option is invisible for locking frequency CPU.
Frequency/Voltage Control Menu
Warning:
Be sure your selection is right. CPU overclock will be dangerous!
We will not be responsible for any damage caused.