What will be if processor's fsb is 1066Mhz but ram will be of DDR3 1333mhz which is suppoerted by motherboard without OC

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jayadratha

jayadratha

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I want to clear a confusion.

Processor have FSB, like intel E7500 have fsb 1066 MHz. Is this FSB depends on DDR2/DDR3 ram FSB? We saw some motherboards supports more fsb than a CPU which is compatible with that motherboard. Some socket 775 motherboards like intel DP45SG supports DDR2 as well as DDR3 & max DDR3 1333 fsb is supported. If i use intel E7500 processor in this motherboard then what will be?? processor's fsb is 1066Mhz but ram will be of DDR3 1333mhz.
 
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jayadratha

jayadratha

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As per my view that in a system if the processor's max FSB is 1333MHz (Motherboard's Max FSB is 1600MHz) then in this system a ram can work maximum at 1333MHz FSB (Motherboard supports max 1600MHz FSB RAM). If I use a 1600MHz FSB ram in this sytem (Motherboard supports max 1600MHz FSB RAM) then the ram will work only at 1333MHz FSB becacuse processor's max FSB is 1333MHz. Is my view is correct???
 
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jayadratha

jayadratha

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as per I know there is north bridge chip between cpu and ram. Bus between cpu and north bridge is FSB(front side bus), and bus between ram and north bridge is called memory bus. If memory is of 1600MHz and CPU is of 1333MHz then I think ram will deliver data to north bridge faster than the time on which cpu will get the data from north bridge(though the motherboards FSB is 1600MHz but CPU's max FSB is 1333MHz), because cpu can access data at 1333MHz speed. Now am I correct??
 
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