Foxconn Q9657MC-8KRS2H V1.1 - Manual (Page 40)

Chapter 3 BIOS Description
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v CPU/SYS Fan Speed Monitor
The items are used to set whether the CPU/SYS Fan speed monitors are
enabled.
Advanced Fan Speed Control Menu
Frequency Control
v CPU Clock Ratio
This option is used to set the ratio of an unlocked CPU. Using different CPU,
the setting values are different.
v Auto Detect PCI Clk
This option is used to set whether the clock of an unused PCI slot will be
disabled to reduce electromagnetic interference.
v Spread Spectrum
If you enable spread spectrum, it can significantly reduce the EMI (Electro-
Magnetic Interference) generated by the system.
Frequency Control Menu
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