what ram for a 680 mobo OC'ing - Page 2 - Techist - Tech Forum

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Old 01-07-2007, 10:37 PM   #11 (permalink)
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Originally posted by raiders_best
i will get the Corsair XMS2 DDR2-800 but how do u figure out the speed of the memory
DDR2-800 = 400Mhz. Non-overclocked base system clock (FSB) = 266Mhz. 400Mhz memory lets you take the FSB up to 400Mhz. The final clockspeed of the processor at this FSB will vary due to the multiplier of the processor. An E6300 (7x) would be at 2800Mhz, while an E6600 (9x) would be at 3600Mhz.

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Old 01-07-2007, 10:59 PM   #12 (permalink)
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thank you veary much for explaining that it help so much in understanding it

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Old 01-07-2007, 11:12 PM   #13 (permalink)
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No problem. The base FSB of 266 is also why DDR2-533 memory is what is used for non-overclocked systems, since DDR2-533 is 266Mhz (you might be beginning to see that the actual speed of the memory is the DDR2-speed divided by two). And in overclocking, you raise the FSB by small increments (5 - 40, depends on how nervous you are at the moment). This results in changes in the speed of the memory and the CPU.

That's a very basic explanation of OC'ing to make you more comfortable with the purchases, you'll need to read a much more detailed OC'ing guide before attempting it yourself.
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Old 01-07-2007, 11:30 PM   #14 (permalink)
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i personally love my corsair xms2 ddr2-800. its great for oc'ing.


My gaming rig:
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