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Thread: GA-X48-DQ6 Pushing the Q9550 beyond 4Ghz




  1. #21
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    Default Re: GA-X48-DQ6 Pushing the Q9550 beyond 4Ghz

    Right, toyed all day with different settings in an attempt to get higher, and now settled for 457 FSB, with 1.36825Vcore in BIOS(1.36V Idle and 1.328V Load) FSB + 0.25V and (G)MCH + 0.3V. GTLREF1 is set to +3%, and GTLREF2 is at normal. CPU Skew is set to 50ps.
    Higher clocks are doable, but then I need higher volts on FSB, (G)MCH and the Vcore, forcing me to go as high as 1.381Vcore in BIOS to get stablish around 460 FSB, with the other settings at +0.3V. I don't like to go above 1.36825Vcore, did read somewhere that going above that is asking for trouble on the long run, so not going to ask for that

    Also tried a little run on max FSB, managed to get Windows to boot at 475 FSB with +0.35V and the Q9550 on a multi of 6, and the rest also downclocked, but then it crashed.
    So I'm either FSB limited by the motherboard, or, looking at the strong rise in Vcore, I'm pushing the quad to hard at 460FSB...

    Therefor I'm considering to get the Asus Rampage Formula, as this board is supposed to allowed higher clocks on the FSB, offers much more overclock settings on the FSB and CPU, making it easier to push the quad towards it limits and I can tweak my memory much much better and deeper :D.

    But for now I'm happy with 3.88Ghz, but I expect that in a few weeks i'll retry to get to 4Ghz, as I really want that and at that moment I might get the Asus to adress the possible FSB-wall on the mainboard.
    Intel Q9550 H2O Cooled
    Gigabyte GA-X48-DQ6 Rev 1.1 BIOS F8D
    OCZ 2x2 GB 1066Mhz @ 5-5-5-15
    Club3DHD5870 @ 890/1280
    Enermax Galaxy DXX 850Watt
    2x WD Velociraptor 300GB in RAID 0
    1x Seagate 500GB SATA II HD

  2. #22
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    Default Re: GA-X48-DQ6 Pushing the Q9550 beyond 4Ghz

    1.3625 is the highest vid (?) the one that shows in windows. 1.45 is the vcore figure, for my chip. As long as temps are not out of control, you can go beyond 1.3625.

    It is getting too warm here for those sorta voltages, so hope you are cool where u r.

    E8400 + X48 (Gigabyte) overclocking - Finding the maximum FSB - Overclockers Forums

    Most pppls here have EP45-UD3P.
    Last edited by Salty; 10-12-2009 at 10:11 PM.





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  3. #23
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    Default Re: GA-X48-DQ6 Pushing the Q9550 beyond 4Ghz

    Tried it a few times, but atm I can't get really stable at anything above 460 FSB, so settling with 457 FSB (for) now, and just going to focus myself on tweaking the memory(lower timings) and the VGA, as tomorrow I'll get a fullcover waterblok on my HD5870, so that card is getting some extra juice then, and I'm going to try to get beyond 1.1Ghz core on it :D
    Intel Q9550 H2O Cooled
    Gigabyte GA-X48-DQ6 Rev 1.1 BIOS F8D
    OCZ 2x2 GB 1066Mhz @ 5-5-5-15
    Club3DHD5870 @ 890/1280
    Enermax Galaxy DXX 850Watt
    2x WD Velociraptor 300GB in RAID 0
    1x Seagate 500GB SATA II HD

  4. #24
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: GA-X48-DQ6 Pushing the Q9550 beyond 4Ghz

    Yes, you really need to go with P45 if you want to push a quad past 450+ FSB, the older chipsets are just not up to the task

  5. #25
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    Default Re: GA-X48-DQ6 Pushing the Q9550 beyond 4Ghz

    So you reall think the Asus Rampage Formula won't be able to do it? Even with more tweaking/overclocking options? Will have a look into P45 boards then, and their prices :)
    Intel Q9550 H2O Cooled
    Gigabyte GA-X48-DQ6 Rev 1.1 BIOS F8D
    OCZ 2x2 GB 1066Mhz @ 5-5-5-15
    Club3DHD5870 @ 890/1280
    Enermax Galaxy DXX 850Watt
    2x WD Velociraptor 300GB in RAID 0
    1x Seagate 500GB SATA II HD

  6. #26
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: GA-X48-DQ6 Pushing the Q9550 beyond 4Ghz

    Is that a P45 board?

    I suggest GA-EP45-UD3P or GA-EP45UD3R for pushing a quad to 4Ghz. Those boards are pretty cheap, normally $80/90-120 or so

  7. #27
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    Default Re: GA-X48-DQ6 Pushing the Q9550 beyond 4Ghz

    No, that's another X48 based board, yet with alot more tweaking and overclocking options compared to the Gigabyte one. Will have a look aorund for the 2 boards mentioned.
    Intel Q9550 H2O Cooled
    Gigabyte GA-X48-DQ6 Rev 1.1 BIOS F8D
    OCZ 2x2 GB 1066Mhz @ 5-5-5-15
    Club3DHD5870 @ 890/1280
    Enermax Galaxy DXX 850Watt
    2x WD Velociraptor 300GB in RAID 0
    1x Seagate 500GB SATA II HD

  8. #28
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: GA-X48-DQ6 Pushing the Q9550 beyond 4Ghz

    Ahh sorry, I guess I could have looked it up!

    Ya you need P45 to push quads really.

  9. #29
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    Default Re: GA-X48-DQ6 Pushing the Q9550 beyond 4Ghz

    Quote Originally Posted by Darkasantion View Post
    Finally managed to run Prime95 on the PC with the following settings:

    FSB: 453Mhz
    Multi: 8.5X
    PCI-E bus: 104Mhz
    Memory: 543.6Mhz @ 5-5-5-15

    Vcore: 1.3375V in BIOS
    Vmem: 2.2(stock voltage)
    FSB voltage: +25V
    G(MCH): +0.275V

    Subtimings over the memory are also a bit tweaked, but won't post them unless needed, it's alot of typing and I think not needed with the current error in Prime95.

    After running Prime 95 for over +6 hours, I got an error on the first CPU core on the 160K self test, which returned a value of 0.5 where 0.4 or less was expected.
    Other cores didn't make have any errors/warnings at that time, and where still going strong after 8 hours of crunching(Prime95 was running while I was away :P )

    So where do I need to change something to get stable and higher? More Vcore is my guess, but am I right :) ?

  10. #30
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    Default Re: GA-X48-DQ6 Pushing the Q9550 beyond 4Ghz

    Quote Originally Posted by Darkasantion View Post
    I did run a test of Blend, assumed that would be the best test to test stability. FFT size was between 8K and 4096K.

    Furthermore, I know it's the FSB beeing the limiting factor, did lower the multi already, together with the memory on a 2.00B setting, and there aswell I couldn't get much higher on FSB.

    FSB overvoltage was that high as I was just testing it a bit, and as I didn't know exaclty what's causing the instability at 455+ FSB, I just added more voltage on it to ensure I'm not lacking there ;) .
    It took me some time but now have FSB at 463 x8=370

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