Frequency/Voltage Control - Abit VA-20 User Manual

BIOS Setup 3-27
3.2.8.

Frequency/Voltage Control

This item enables you to set the clock speed and system bus for your system. The
clock speed and system bus are determined by the kind of processor you have
installed in your system.
DIMM Voltage Adjust (2.58V)
This item adjusts the voltage delivered to the DIMM memory.
Auto Detect PCI/DIMM Clk (Enabled)
When this item is enabled, BIOS will disable the clock signal of free DIMM and PCI
slots.
Spread Spectrum (Enabled)
If you enable spread spectrum, it can significantly reduce the EMI (Electro-Magnetic
Interference) generated by the system.
CPU Clock (100MHz)
Use the CPU Host Clock to set the frontside bus frequency for the installed processor
(usually 200MHz, 133 MHz or 100MHz).
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