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Thread: Using a 1:2 divider (CPU:DRAM)

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    Senior Member AD-15's Avatar
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    Using a 1:2 divider (CPU:DRAM)

    Hello,

    To get my RAM working at 1066, I had to increase the voltage to 2.2V, and the divider I had to change to 1:2.

    Is this stable? Will I have any problems with this? I have heard anything other than 1:1 can achieve major instability?

    Also, when I do this, I do not get the RAM working at 1066, but at 1088.


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    Senior Member kalniel's Avatar
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    Re: Using a 1:2 divider (CPU:DRAM)

    Where did you hear about different ratios causing instability?

    By itself it doesn't, only if the motherboard is a bit poo would it do so (and it's just as like to be unstable on 1:1, just depends how it is set up).

    But I have to ask, why do you want your ram to run at 1066?

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    Re: Using a 1:2 divider (CPU:DRAM)

    Is this stable? Will I have any problems with this?
    What is your RAM rated to run at? If it is 2.2v and 1066 then yes it will be fine.

    Also, when I do this, I do not get the RAM working at 1066, but at 1088.
    What FSB are you using?

    You can test RAM stability with memtest/orthos/prime95 but if it is within the rated specs it should be fine.

    I'd also echo Kalniel, why do you want your RAM to run at 1066?

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    Senior Member AD-15's Avatar
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    Re: Using a 1:2 divider (CPU:DRAM)

    hello,

    I'm using a 9x multiplier, and a 272 FSB. I want my RAM to run at 1066, because that is what it is rated to run at, it is a 1066 2GB Dominator series Corsair pair.

    Would running it at 1088 be acceptable?

    I heard the divider instability thing on the net somewhere. Apparently, the best setting is a 1:1 setting.

    I can get it running at 1065.6 on a 1:1.2 setting, but only by overclocking it to above 2.6GHZ on a 6x multiplier with an FSB of 444.

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    Re: Using a 1:2 divider (CPU:DRAM)

    Quote Originally Posted by AD-15 View Post
    hello,

    I'm using a 9x multiplier, and a 272 FSB. I want my RAM to run at 1066, because that is what it is rated to run at, it is a 1066 2GB Dominator series Corsair pair.

    Would running it at 1088 be acceptable?

    I heard the divider instability thing on the net somewhere. Apparently, the best setting is a 1:1 setting.

    I can get it running at 1065.6 on a 1:1.2 setting, but only by overclocking it to above 2.6GHZ on a 6x multiplier with an FSB of 444.
    Click on the last link in my sig (I'm sure I pointed you at that before?)
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    You owe it to yourself to click here really.

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    Senior Member kalniel's Avatar
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    Re: Using a 1:2 divider (CPU:DRAM)

    Quote Originally Posted by AD-15 View Post
    hello,

    I'm using a 9x multiplier, and a 272 FSB.
    Quote Originally Posted by AD-15 View Post
    Also, when I do this, I do not get the RAM working at 1066, but at 1088.

    272 CPU clock, at 1:2 ratio means ram runs at 544mhz, which is DDR speed 1088.

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