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Thread: X48T-DQ6 and a Q9550 overclocking help needed.




  1. #11
    Join Date
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    Default Re: X48T-DQ6 and a Q9550 overclocking help needed.

    I use the 3.20B strap for 333 cpu's.
    Just spend some time trying out settings in the range you suggested. i'll give a quick overview.

    <table style="border-collapse: collapse; width: 723pt;" width="963" border="0" cellpadding="0" cellspacing="0"><col style="width: 48pt;" width="64"> <col style="width: 69pt;" width="92"> <col style="width: 59pt;" width="78"> <col style="width: 58pt;" span="2" width="77"> <col style="width: 59pt;" width="79"> <col style="width: 59pt;" width="78"> <col style="width: 56pt;" width="75"> <col style="width: 53pt;" width="71"> <col style="width: 60pt;" width="80"> <col style="width: 48pt;" span="3" width="64"> <tbody><tr style="height: 15pt;" height="20"> <td class="xl65" style="height: 15pt; width: 48pt;" width="64" height="20">425</td> <td style="width: 69pt;" width="92">800mv</td> <td style="width: 59pt;" width="78">
    </td> <td style="width: 58pt;" width="77">
    </td> <td style="width: 58pt;" width="77">
    </td> <td style="width: 59pt;" width="79">
    </td> <td style="width: 59pt;" width="78">
    </td> <td style="width: 56pt;" width="75">
    </td> <td style="width: 53pt;" width="71">
    </td> <td style="width: 60pt;" width="80">
    </td> <td style="width: 48pt;" width="64">
    </td> <td style="width: 48pt;" width="64">
    </td> <td style="width: 48pt;" width="64">
    </td> </tr> <tr style="height: 15pt;" height="20"> <td class="xl65" style="height: 15pt;" height="20">3,20B</td> <td>normal</td> <td>
    </td> <td>
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    </td> </tr> <tr style="height: 15pt;" height="20"> <td class="xl65" style="height: 15pt;" height="20">
    </td> <td>100ps</td> <td>
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    </td> </tr> <tr style="height: 15pt;" height="20"> <td class="xl65" style="height: 15pt;" height="20">9</td> <td>
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    </td> <td>
    </td> </tr> <tr style="height: 15pt;" height="20"> <td class="xl65" style="height: 15pt;" height="20">8</td> <td>DDR3 V</td> <td align="right">0,4</td> <td align="right">0,4</td> <td align="right">0,4</td> <td align="right">0,4</td> <td align="right">0,4</td> <td align="right">0,4</td> <td align="right">0,4</td> <td align="right">0,4</td> <td align="right">0,4</td> <td align="right">0,4</td> <td align="right">0,4</td> </tr> <tr style="height: 15pt;" height="20"> <td class="xl65" style="height: 15pt;" height="20">8</td> <td>PCIe</td> <td align="right">0,1</td> <td align="right">0,1</td> <td align="right">0,1</td> <td align="right">0,1</td> <td align="right">0,1</td> <td align="right">0,1</td> <td align="right">0,1</td> <td align="right">0,1</td> <td align="right">0,1</td> <td align="right">0,1</td> <td align="right">0,1</td> </tr> <tr style="height: 15pt;" height="20"> <td class="xl65" style="height: 15pt;" height="20">24</td> <td>FSB</td> <td align="right">0,05</td> <td align="right">0,15</td> <td align="right">0,1</td> <td align="right">0,1</td> <td align="right">0,05</td> <td align="right">0</td> <td align="right">0</td> <td align="right">0,25</td> <td align="right">0,25</td> <td align="right">0,25</td> <td align="right">0,25</td> </tr> <tr style="height: 15pt;" height="20"> <td class="xl65" style="height: 15pt;" height="20">
    </td> <td>MCH</td> <td align="right">0,1</td> <td align="right">0,15</td> <td align="right">0,2</td> <td align="right">0,1</td> <td align="right">0,125</td> <td align="right">0,125</td> <td align="right">0,125</td> <td align="right">0,3</td> <td align="right">0,25</td> <td align="right">0,15</td> <td align="right">0,125</td> </tr> <tr style="height: 15pt;" height="20"> <td class="xl65" style="height: 15pt;" height="20">6</td> <td>Vcore</td> <td align="right">1,34</td> <td align="right">1,31</td> <td align="right">1,2875</td> <td align="right">1,2875</td> <td align="right">1,30625</td> <td align="right">1,31875</td> <td align="right">1,35</td> <td align="right">1,31875</td> <td align="right">1,35</td> <td align="right">1,35</td> <td align="right">1,3375</td> </tr> <tr style="height: 15pt;" height="20"> <td class="xl65" style="height: 15pt;" height="20">8</td> <td>LLC= on</td> <td>
    </td> <td>
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    </td> <td> No win</td> <td>No win</td> <td>
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    </td> <td>No win</td> <td>
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    </td> </tr> <tr style="height: 15pt;" height="20"> <td class="xl65" style="height: 15pt;" height="20">18</td> <td>
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    </td> <td colspan="5" style="">No win = freeze/reboot right after the Os selection screen</td> <td>
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    </td> </tr> <tr style="height: 15pt;" height="20"> <td class="xl65" style="height: 15pt;" height="20">auto</td> <td>
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    </td> </tr> <tr style="height: 15pt;" height="20"> <td class="xl65" style="height: 15pt;" height="20">2T</td> <td>
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    </td> </tr> </tbody></table>
    This is what i got around to trying, none of them didn't give errors in prime 95 after a few seconds. I'm starting to think i might just have a less oc'able cpu. Going to bed now.
    I hope you have some more pointers.

  2. #12
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: X48T-DQ6 and a Q9550 overclocking help needed.

    Well, that is not clear to me at all. I know it took you some time likely, but the way this site changes text formatting is terrible.

    You should be trying the D strap for that high of ram speed, it will be much more stable

    You need to be sure your ram is stable with Memtest before you even try Prime, if it is not then you dont know if you need more voltage or ram settings adjusted. Make sure your ram is stable, and then you will kow better what you need to adjust when prime fails

    If it fails FAST that is normally Voltage issue, like Reference or Vtt voltage incorrect or not enough Vcore/MCH

  3. #13
    Join Date
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    Default Re: X48T-DQ6 and a Q9550 overclocking help needed.

    The first column lists FSB,ratio, and all the timings of the ram which remained constant.
    The second column's first 2 rows list the cpu skew bios settings, they also remained constant.
    The next rows are markers for the other columns, I tried 10 different settings, and they were variable for MCH,FSB, DDR3 and Vcore.
    Loadline calibration was on all the time.

    The 4th, the 5th and the 8th list of settings did not boot into windows.
    I hope that makes the excel paste a bit more understandable.

    Will try some memtest this afternoon/eve.

  4. #14
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    Default Re: X48T-DQ6 and a Q9550 overclocking help needed.

    Did some memtesting today, The timings in the data sheet(but with the D strap) seem errorless, as do the ones when I put everyting on auto at 425FSB.
    So I guess it is a voltage issue.
    Since I tried maxing out voltages MCH +.3, FSB+.3 and Vcore 1.4v, am rather clueless at what else I could try.
    Maybe try the F6 bios?

  5. #15
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: X48T-DQ6 and a Q9550 overclocking help needed.

    Errorless? Well what do you mean then. You should use the D strap (And disable LLC for sure)

    I still am lost looking at that table. But I can say at 425 FSB and that ram speed you will need to likely use the 400 MCH latch for sure to keep stable. It is not a big deal, and you can tighten timings for sure once you get settled in

    Memtest passes and orthos fails you have incorrect voltages somewhere.

    Ya, latest BIOS could always help, but I think you just need to use the 400 strap

  6. #16
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    Default Re: X48T-DQ6 and a Q9550 overclocking help needed.

    Been trying some more voltage combos this weekend but heh it was a total no go again. I'll abandon the attempt for now and be happy with 3.4ghz. Time to put some effort into my exams . I'll prolly pick it up again after.

    Anyhow thank you for your awesome help, even though we couldn't get it to work i've learned some more neat-o tricks and that's always helpful.

  7. #17
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: X48T-DQ6 and a Q9550 overclocking help needed.

    Wish I could have helped you more! Sorry! If you do wnat me to suggest more things let me know

    3.4 is nice overclock though and you will have good temps as well

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