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I have a motherboard that has a FSB of up to 400MHz.
My processor is an AthlonXP 2200 which can only run at 266MHz
My memory is 256MB DDR DRAM PC2700
SisSoftware Sandra testing tells me my memory speed and processsor speed do not match. Question is: Does this really matter? I know a processor upgrade would sort it but a)the computer seems to run fine and b) I daren't try to sneak ANOTHER pc purchase past the wife! (just yet);-)
 

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The memory speed can run in asyncronous mode in most modern motherboards so the memory in your system is probably running at 333mhz and your processor at 266mhz.
 

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Most boards do not allow asynchronous operation of the memory. Some of the high end boards do allow this. Your memory most likely is running at fsb speed. It will do no damage and run just fine like that. You are basically under clocking your ram. While some of the high end boards do allow you to run the ram at a speed higher than the fsb, it can lead to stability problems. For that reason I never use asynchronous settings for ram.
 

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Many quality mb do allow this; oem or cheaper boards do not. In any case [imo] running asynchronous settings for memory and fsb lead can lead to instability.
 
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