abit bg-72 Manual De Usuario
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.
clock speed and system bus are determined by the kind of processor you have
installed in your system.
CPU Clock
Use the CPU Host/SDRAM/PCI Clock to set the frontside bus frequency for the
installed processor (usually 133 MHz, 100 MHz or 66 MHz). Then use CPU Clock
Ratio Jumpless to set a multiple. The multiple times the frontside bus must equal the
core speed of the installed processor e.g., 3.5 (multiple) x 100 MHz (frontside bus)
= 350 MHz (installed processor clock speed).
installed processor (usually 133 MHz, 100 MHz or 66 MHz). Then use CPU Clock
Ratio Jumpless to set a multiple. The multiple times the frontside bus must equal the
core speed of the installed processor e.g., 3.5 (multiple) x 100 MHz (frontside bus)
= 350 MHz (installed processor clock speed).
CPU Multiplier
This item displays the multiplier factors for your CPU.
Auto Detect DIMM/PCI CLK
When this item is enabled, BIOS will disable the clock signal of free DIMM/PCI
slots.
slots.
Spread Spectrum
If you enable spread spectrum, it can significantly reduce the EMI (Electro-Magnetic
Interference) generated by the system.
Interference) generated by the system.
User’s Manual