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Firestix no longer D9 - Page 2

post #11 of 18
Quote:
Originally Posted by Chozart View Post
Plus, it does run a bit faster like this (esp. super pi). If you max out your CPU overclock and still have headroom for your RAM, use it! Those Intels love bandwidth.
No not really. That depends on the timings used. 4-4-4-12 1:1 at 860mhz would be better than 5-5-5-15 4:5 1050mhz.
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post #12 of 18
can someone explain to me why D9 is so important?
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post #13 of 18
Quote:
Originally Posted by knickfan5745 View Post
can someone explain to me why D9 is so important?
People use the term "D9" to describe the chips being used on some of the best DDR2 ram. The actual company is called micron and what people don't know is that not all "D9" ram is good.

The proper way is when you list it by its actual model.

Example:

D9GMH
D9GKX
D9GCT
D9DQT

Etc...

For example, my D9GMH ram can do DDR2-1000, 4-4-4-12 with only 2.2V in windows. (Stable)

While Promo chips would struggle with these speeds and they don't react to voltage too well.
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post #14 of 18
Quote:
Originally Posted by bigvaL View Post
No not really. That depends on the timings used. 4-4-4-12 1:1 at 860mhz would be better than 5-5-5-15 4:5 1050mhz.
I tend to argue that the higher bandwidth would be better for an Intel rig. I read a lenghtly post from The_Manual somewhere explaining that timings really don't matter that much for Intel (basically to the point where they can be ignored)
    
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post #15 of 18
Quote:
Originally Posted by Chozart View Post
I tend to argue that the higher bandwidth would be better for an Intel rig. I read a lenghtly post from The_Manual somewhere explaining that timings really don't matter that much for Intel (basically to the point where they can be ignored)
I quite disagree with this view Chozart. Read the post again and you will see that the Manuals comparison was not a fair comparision and 850MHz vs 1000Mhz is a far different beast than to which he was speaking.

My timings at 4 - 4 - 4 - 12 with 3.4Ghz (425FSB) 1:1 is so close as to be identical in real world performance vs 1000Mhz with 5 - 5 - 5 - 15. That being said, I can make 4 - 4 - 4 - 12 at 1000Mhz with my 8500C5's and at 1000Mhz the differential is then markedly clear.

Thus this tends to show timings at the same bandwidth does make a difference, and conversely the timings show a difference when differentials are applied with a greater degree as the bandwidth separation becomes more pronounced.
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post #16 of 18
yeah thats all theoretical crap but you cant tell the difference
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post #17 of 18
I'll check with the guy at xtremesystems to see where he got his non-D9s.
We simply haven't sold any non-D9s for FSX800D2C-xxx part numbers.

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post #18 of 18
Why go from CAS 4-4-4-12 to CAS 5-5-5-15? Went from D9GMH to D9GTC?
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