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Crazy

Discussion in 'Hardware' started by greenbrucelee, Mar 21, 2008.

  1. greenbrucelee
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    greenbrucelee Zettabyte Poster

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    When I first got my PC it had a 1GB dimm pc-6400 800MHz installed I am not sure what make it but its some cheap jobby.

    I recently got 2 1GB pc-6400 800MHz crucial ballistix dimms which have a faster CAS latency than the original dimm so I put the two new dimms in the first two slots and the original in the most compatible slot after that and I got decent results.

    I decided to take out the original dimm today and just run with the 2 newer dimms and was quite suprised to see that it seems a bit faster, I think this will be due to the latency being faster on the newer dimms.

    The two newer dimms are sli ready, although I do not have two GPUs in the PC would anything happen if I enabled SLI memory in the BIOS?
     
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  2. hbroomhall

    hbroomhall Petabyte Poster Gold Member

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    Not something I'd heard of - but google provided this which may help.

    Harry.
     
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  3. greenbrucelee
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    greenbrucelee Zettabyte Poster

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    cheers Harry it seems that the RAM uses EPP that is guaranteed to work on certain NVida motherboards there is also a function with these motherboards that apparently auto overclocks the RAM to it maximum capability.
     
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  4. greenbrucelee
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    greenbrucelee Zettabyte Poster

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    Well I just enabled it on the auto overclock and got two BSODS so I put it back to disable.
     
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  5. Sequeler

    Sequeler Bit Poster

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    This could tell that your Motherboard supports Dual Memory Technology in a great mode like 5-4-2-5, this is just an example not sure, should be something with x.x.x.x
     
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  6. greenbrucelee
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    greenbrucelee Zettabyte Poster

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    Yep its DDR2 running at something like 4-4-4-12 I think but when I install the original Dimm with the newer ones they run at 5-5-5-15
     
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  7. greenbrucelee
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    greenbrucelee Zettabyte Poster

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    So I have been playing games for the last couple of hours and have notice that using the 2GB RAM with the better latency is better than using the 3GB RAM.
     
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  8. Mathematix

    Mathematix Megabyte Poster

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    Yes, I've noticed that with larger RAM you need to take down the CAS latency settings to avoid memory errors due to the memory controller being stressed. Games should still be quicker, though. :)
     
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  9. greenbrucelee
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    greenbrucelee Zettabyte Poster

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    so what do you think I should do?

    either just use the 2 1GB crucial ballistix running at 4-4-4-12 or using the two crucial balistix and the cheap dimm running at 5-5-5-15
     
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  10. Mathematix

    Mathematix Megabyte Poster

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    Keep the new sticks in and increase the timings via the bios. :)
     
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  11. greenbrucelee
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    greenbrucelee Zettabyte Poster

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    Will have a go & see what happens.
     
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