What does the "Enhance Chipset Mode" option in the BIOS do?

S0me1X

Golden Member
Jan 9, 2000
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I'm using an Abit SR7-8X. In the BIOS, there is an field called "Enhance Chipset Mode," and the options are: Fast, Normal, Fixed at 83mhz, Fixed at 144mhz.

Can someone explain how changing this field affects performance/stability?