MSI 648 Max User Manual page 74

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/DRAM Frequency 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.
Setting options: 100MHz~200MHz at 1MHz increment.
CPU FSB Clock Setting Options
100MHz
101~132MHz
133 MHz
134~200MHz
DRAM Frequency
This setting shows the current frequency of DDR DRAM (read only).
Auto Detect CPU FSB
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.
Setting: Enabled, Disabled.
CPU Frequency
This setting allows you to select the CPU Front Side Bus clock frequency.
AGP/PCI Frequency (MHz)
This setting allows you to select the CPU Front Side Bus clock frequency.
Settings: 66/33, 68/34, 70/35, 72/36, 74/37, 76/38, 78/39, 80/40.
1:1, 1:2, 2:3, 10:9, 3:4, 3:5, 4:5, 5:6, 8:9, 2:1, 3:2, 5:2,
4:3, 5:3, 5:4, 6:5, By SPD
1:1, 1:2, 2:3, 10:9, 3:4, 3:5, 4:5, 5:6, 8:9, 2:1, 3:2, 5:2,
4:3, 5:3, 5:4, 6:5
1:1, 1:2, 2:3, 10:9, 3:4, 3:5, 4:5, 5:6, 8:9, 2:1, 3:2, 5:2,
4:3, 5:3, 5:4, 6:5, By SPD
1:1, 1:2, 2:3, 10:9, 3:4, 3:5, 4:5, 5:6, 8:9, 2:1, 3:2, 5:2,
4:3, 5:3, 5:4, 6:5
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AMI BIOS Setup