User`s manual
74
3
Award BIOS Setup Utility
The frequency ratio of processors greater than 8x has been
locked by the manufacturer and will no longer have the
flexibility of using extended ratios. Therefore, the system will
use the processors factor y default ratio.
If, in the CPU Clock/Spread Spectrum or CPU Clock Ratio field,
you selected an option other than the default setting and is unable
to boot up the system, there are 2 methods of booting up the
system and going back to its default setting.
Method 1:
Clear the CMOS data by setting JP2 to 2-3 On. All fields in the
BIOS Setup will automatically be set to their default settings.
Method 2:
Press the <Insert> key and power button simultaneously, then
release the power button first. Keep-on pressing the <Insert> key
until the power-on screen appears. This will allow the system to boot
according to the FSB of the processor. Now press the <Del> key
to enter the main menu of the BIOS. Select CPU Frequency
Control and set the CPU Clock/Spread Spectrum or CPU Clock
Ratio field to its default setting or an appropriate bus clock or
frequency ratio.
Note:
Use a PS/2 or AT (requires a DIN to mini DIN adapter)
keyboard for method 2.
When using a 66MHz FSB processor with PC-100 SDRAM
DIMM, the system memory clock is 3/2 of the CPUs
external bus clock and the PCI clock is 1/2 of the CPUs
external bus clock.
When using a 100MHz FSB processor with PC-100
SDRAM DIMM, the system memory clock is the same as
the CPUs external bus clock and the PCI clock is 1/3 of
the CPUs external bus clock.
When using a 133MHz FSB processor with PC-100
SDRAM DIMM, the system memory clock is 3/4 of the
CPUs external bus clock and the PCI clock is 1/4 of the
CPUs external bus clock.
When using a 133MHz FSB processor with PC-133
SDRAM DIMM, the system memory clock is the same as
the CPUs external bus clock and the PCI clock is 1/4 of
the CPUs external bus clock.