
BIOS Setup Utility
SY-P4-645DX DRAGON Ultra
40
CPU Clock Ratio
Setting
Description
CPU Clock Ratio
8X~50X
Allow you to select your CPU Ratio.
CPU Voltage Select
Setting
Description
Note
Default
Default
1.100V
1.500V
1.125V
1.525V
1.150V
1.550V
1.175V
1.575V
1.200V
1.600V
1.225V
1.625V
1.250V
1.650V
1.275V
1.675V
1.300V
1.700V
1.325V
1.725V
1.350V
1.750V
1.375V
1.775V
1.400V
1.800V
1.425V
1.825V
1.450V
1.850V
CPU Voltage
Select
1.475V
This function allows
you to adjust the CPU
voltage.
DDR Voltage Select
Setting
Description
Note
Default
Default
DDR Voltage
Select
2.6V, 2.7V,
2.8V, 2.9V,
3.0V, 3.1V,
3.2V, 3.3V,
3.4V, 3.5V
This function changes the DDR
voltage.
AGP Voltage Select
Setting
Description
Note
Default
Default
1.6V
1.7V
AGP Voltage
Select
1.8V
This function changes the AGP
voltage.