ram speed

  polish 19:38 02 Dec 06
Locked

i have just purchased 2 samsung pc3200 ram part no m368l6423ftn ccc could someone please explain the speed i thought all 3200 ram was 400 mhz pc wizard says ddr sdram pc3200 200mhz ddr400 because its dd is that how you get 400mhz by doubling to 200mhz
mobo msi ms6728 p4 478 3.2
hope this makes sense

  SANTOS7 19:50 02 Dec 06

DDR SDRAM is similar in function to regular SDRAM, but doubles the bandwidth of the memory by transfering data twice per cycle--on both the rising and falling edges of the clock signal. The clock signal transitions from "0" to "1" and back to "0" each cycle; the first is called the "rising edge" and the second the "falling edge".

  ed-0 19:56 02 Dec 06

The ram will run at 400Mhz, the motherboard doubles the speed.

Just set the bios to either spd or 200Mhz. It'll be fine.

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