User`s manual
NA-821 Series Network Appliance User’s Manual
Phoenix-Award BIOS Utility
52
3.12 Frequency/Voltage Control
This section is to control the CPU frequency and Supply Voltage, DIMM
OverVoltage and AGP voltage.
CPU Clock Ratio Unlock
Use this item to unlock CPU multiplier.
CPU Clock Ratio
Use this item to select the CPU’s frequency.
Auto Detect PCI Clk
The enabled item can automatically disable the clock source for a
PCI slot without a module, to reduce EMI (ElectroMagnetic
Interference).
Spread Spectrum
If spread spectrum is enabled, EMI (ElectroMagnetic Interference)
generated by the system can be significantly reduced.
CPU Host/PCI Clock
Select Default or select a timing combination for the CPU and the
PCI bus. When set to Default, the BIOS uses the actual CPU and
PCI bus clock values.
Press <Esc> to return to the Main Menu page.