MSI 745 ULTRA User Guide - Page 70

AMI BIOS Setup CPU FSB Clock (Mhz) This setting allows you to select the CPU Front Side Bus clock frequency. Setting options: 100MHz~200MHz at 1MHz increment. CPU :DRAM Clock Ratio This setting controls the ratio of CPU FSB Clock & DRAM Frequency to enable the CPU & DRAM to run at different frequency combinations. Please note that the setting options vary according to the CPU FSB Clock preset. CPU FSB Clock 100~132MHz 133~165MHz 166~200MHz Setting Options 1:1, 3:4 4:3, 1:1, 4:5 5:4, 1:1 DRAM Frequency This item shows the current frequency of DDR DRAM. CPU Ratio This setting controls the multiplier that is used to determine the internal clock speed of the processor relative to the external or motherboard clock speed. CPU Vcore Adjust This setting allows you to adjust the CPU core voltage. The default setting is Auto. Please note that it may be dangerous to adjust the Vcore over 10%. Note: Changing CPU Vcore could result in unstable system; therefore, it is not recommended to change the default setting for long-term purpose. DDR Voltage Adjust This setting allows you to set the appropriate DDR voltage. Setting options: 2.5V to 2.8V at 0.1V increment. 3-27