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Foxconn 648FX7MF-RS User Manual

Page 59

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661FX7MF/648FX7MF/648C7MF Series User Manual

Chapter 3 BIOS Description

Frequency/Voltage Control

CPU Clock Ratio (Default: based on CPU specifications)

This option is used to set the ratio of an unlocked CPU. Using different CPU,
the setting values are different.

Note: this option is invisible for locking frequency CPU.

Auto Detect DIMM/PCI Clk (Default: Enabled)

This option is used to set whether the clock of an unused PCI/DIMM slot will
be disabled to reduce electromagnetic interference. The setting values are:
Disabled and Enabled.

Spread Spectrum (Default: Disabled)

If you enable spread spectrum, it can significantly reduce the EMI (Electro-

Magnetic Interference) generated by the system.

Frequency/Voltage Control Menu

Warning:

Be sure your selection is right. CPU overclock will be dangerous!

We will not be responsible for any damages caused.