# O/C the cpu and 1333 ram drops to 800?

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September 19, 2010 2:41:10 PM

Hello, i have a core i7 920 0n a msi pro-x58 board and when i O/C the cpu the ram freq. drops to 800 (from 1333). is this a norm thing or am i missing something?

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September 19, 2010 3:16:08 PM

Yep, it's called a memory multiplier, depending on the Bclk you have set you can adjust the memory speed with the multiplier.

Example:

Bclk: 140 X 10 (multiplier) = 1400 Mhz
Bclk: 140 X 8 = 1120 Mhz
Bclk: 140 X 6 = 840 Mhz

and so on
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September 19, 2010 3:24:44 PM

Thought i was being a noob, thanks for the reply
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September 26, 2010 2:34:55 PM

RJR said:
Yep, it's called a memory multiplier, depending on the Bclk you have set you can adjust the memory speed with the multiplier.

Example:

Bclk: 140 X 10 (multiplier) = 1400 Mhz
Bclk: 140 X 8 = 1120 Mhz
Bclk: 140 X 6 = 840 Mhz

and so on

O/C'ed the cpu and the ram to 3.498Ghz and 1660mhz and it stable thanks
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