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Old 07-16-2004, 05:51 PM   #4 (permalink)
Northbridge
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Join Date: May 2004
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The memory over pc3200 in DDR is rated to run at at least the speed its labeled say if pc3700 memory is overclocked the company has tested it at those speed 466 MHz , but that doesn't mean it can't go higher . If you overclock your system by raising the FSB to 233 MHz you would utilize what your ram was specially made for. All of the modern processors have an FSB of 100-200 MHz its just doubled or quadrupled to be a 266 , 333, 400, 533 , or 800 MHz . DDR runs in the same way as it runs at the same speed as the FSB and is doubled to get more speed. It would be a waste to have DDR 333 on a 400 or 800 MHz bus because they both really run at 200 MHz but the memory runs at 333 MHz which since it is doubled is only 166 MHz.When memory runs below the FSB it drags the FSB's speed down to 166 MHz as well . Now their is nothing wrong with having memory rated above the FSB it just lowers its speed to the FSB . In the future buy ram rated at your processor's FSB if you aren't going to overclock since ram rated to run at 400 MHz and will most likely out bench a comparitiviley pricedmodule that runs above DDR 400 . If you do overclock buy memry rated to run at the FSB speed you are going to overclock to .Because this will outperform the same priced 3200 modules at an overclocked level . Hope this helps .
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