Description & Application
Usually (Memory Divider) × (Front Side Bus Frequency) gives I/O Bus clock of the memory. Memory clock then determines the final operating frequency or effective clock speed of memory system depending upon DRAM types (DDR, DDR2 and DDR3 SDRAM).
By default, FSB speed and memory are usually set to a 1:1 ratio, meaning that increasing FSB speed (by overclocking) increases memory speed by the same amount. Normally system memory is not built for overclocking and thus may not be able to take the level of overclocking that the processor or motherboard can achieve. The memory divider allows users to mitigate this problem by reducing the speed increase of the memory relative to that of the FSB and the processor.
Read more about this topic: Memory Divider
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