User`s manual

SBC81203 LGA775 SBC User’s Manual
Phoenix-Award BIOS Utility
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z Current SYSTEM FAN2 Speed
Show you the current system fan1 temperature.
z Vcore +3.3V/+5V/+12V/VBAT(V)/5VSB
Show you the voltage of +3.3V/+5V/+12V.
5.12 Frequency/Voltage Control
This section is to control the CPU frequency and Supply Voltage, DIMM
OverVoltage and AGP voltage.
z CPU Clock Ratio
Use this item to select the CPU’s frequency.
z 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).
z Spread Spectrum
If spread spectrum is enabled, EMI (ElectroMagnetic Interference)
generated by the system can be significantly reduced.