IBM PANEL1173-841 - Manual (Page 63)

PANEL1173-841 User’s Manual
Phoenix-Award BIOS Utility 55
3.12 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.
Press <Esc> to return to the Main Menu page.