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Kingston HyperX PC2-8500 on Gigabyte GA-P35-DS4

Motherboard Processor & RAM


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  #1  
Old 25-04-2009
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Kingston HyperX PC2-8500 on Gigabyte GA-P35-DS4
  

Hello everyone,

That I bought this RAM to increase the frequency of the FSB on my motherboard. Already, first, I bought it on with "CL5" and I realize that the timings are 7-7-7-20 at 1066Mhz FSB and 6-6-6-18 at 800Mhz ... Briefly ... I smell the scam ..

My configuration:
  • Gigabyte GA-P5-DS4
  • Intel Quad core Q6600 (rev. B3) with Ventirad Zalman CNPS9500
  • Power supply S12Energy Seasonic 550
  • Geforce 8800GTS 320Mb

So this motherboard supports a 1066Mhz FSB so I could, logically and with the certified RAM 8500, spend my FSB to 1066Mhz (533 * 2).
But then, not to exceed 470 MHz for the FSB.
My processor supports coeff 7 * 470 = 3290Mhz.

First, the RAM is recognized PC2-6400, which is normal. I read it then had to go hand latencies but my motherboard does not allow me CL = 7, it stops at 6 ... (I am referring to the first parameter) I updated the BIOS. I tried to 6-7-7-20 by increasing the voltage of 0.2V, but it's not with FSB = 1066Mhz.

So I am forced to stay at 6-6-6-18 and have a FSB 470 * 2 = 940Mhz.
I believe that I have not made the right ram. I have not tried timings of 5-5-5 or 4-4-4 type ...

what do you advise me?

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  #2  
Old 25-04-2009
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Re: Kingston HyperX PC2-8500 on Gigabyte GA-P35-DS4

That's all this confusion first one says the FSB, secondly it seems to me that you have set the ram ratio of 1:1 to necessarily limit you to the max FSB processor while the ram can go much higher .

The ram must be certified 5-5-5-15 for 2v therefore trying to bring you as much as possible with the frequency ratios and apply Timings said.
As for bios of your story I do not think so too because I have a P35C DS3R therefore below the range and I can put up Timings CL4, therefore update your bios is not possible for you.
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Old 25-04-2009
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Re: Kingston HyperX PC2-8500 on Gigabyte GA-P35-DS4

Thank you for your reply. I actually forgot to say but I do my experiments with a ratio of 1:1. Regarding the timing, I can quite put into the CL4 and CL5, CL7 is just not available. (I say this because they are certified 7-7-7-20 for 2V (fsb = 1066MHz), and so, I tried these timings to start ...) What frightens me is that according to Kingston, they are also certified 1.8v for 6-6-6-18 (FSB = 800Mhz). But I'll make tests with 5-5-5-15 increasing gradually the FSB and by applying a different ratio as 1:1.

Thank you again, will keep you up if there are only interested
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Old 25-04-2009
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Re: Kingston HyperX PC2-8500 on Gigabyte GA-P35-DS4

Here is the data sheet of said RAM:



In performance you can see: CL = 5 therefore I hope it will do ..
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Old 25-04-2009
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Re: Kingston HyperX PC2-8500 on Gigabyte GA-P35-DS4

yep it works, making the ration ram / fsb to 2.4 and FSB to 444 (444 * 2.4 = 1066). It starts with 5-5-5-15 but I have a blue screen after 5 minutes under xp (although set the ram voltage to 2V)
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