Chapter 3 BIOS Description
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Ratio Free (Default: Disabled)
This option is used to limit CPU ratio to minimum if CPU supports, then user
can furthest overclock external frequency to improve performance.
CPU Clock Ratio (Default: Depend on CPU )
This option is used to set the ratio of an unlocked CPU.
Auto Detect PCI Clk (Default: Enabled)
This option is used to set whether the clock of an unused PCI slot will be
disabled to reduce electromagnetic interference.
Spread Spectrum (Default: Disabled)
If you enable spread spectrum, it can significantly reduce the EMI (Electro-
Magnetic Interference) generated by the system.
Overclock (Default: Default)
This option is used to configure the overclocking and performance setting.
The available setting value are: Default, Manual, Optimal Reference.
1). “Default” indicates non-overclocking.
2). If “Manual” is selected, the following options will be activated and user can
set it personally;
System Memory Frequency (Default: Auto)
This option is used to set system memory frequency.
CPU Clock (Default: Depend on CPU)
This option is used to set CPU clock.
PCI Express Clock (Default: 100)
This option is used to set PCI Express clock.
SuperSpeed Menu