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Thread: GA-X48-DQ6;Q6600 - OC/Memory Problem




  1. #11
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    Default Re: GA-X48-DQ6;Q6600 - OC/Memory Problem

    Well I can't seem to reach 460 MHz any way, I've bumped the MCH and FSB voltages up but it won't POST. Any other suggestions on settings I could play with? Increasing static tRead value didn't help either.

    By the way, the MCH (or NB) has this copper heatsink on it which comes with the motherboard, cools the MOSFETs and SB too, when running benchmarks at 450 MHz this thing gets pretty hot, I can only hold my finger on it for a few seconds, and I'm not sure about being able to install an aftermarket cooling solution, all of those pipes seem linked, I don't think there's a way you can remove the NB block without removing everything and that'd leave the MOSFETs and SB uncooled... or is there? Also, now with the Megahalems installed it covers half of the NB block and is only a few milimeters above it, I can't fit any fan on there, any solution on how I could cool this cause I don't think it'll handle higher FSBs with these temps.
    Intel(R) Core(TM)2 Quad CPU Q6600 G0 @2.8 GHz / Prolimatech Megahalems Cooler (2x Scythe Slipstream 1200)
    MUSHKIN XP Series 991599 4 GB (2GB + 2GB) PC-8500
    SAMSUNG HD103UJ Spinpoint F1 1000 GB / Western Digital WD1600JS-55MHB0 Caviar 160GB
    Sapphire ATi Radeon HD 4870 X2 2 GB GDDR5 (750/900MHz)@PCI-E 2.0 x16, COOLER: Arctic Cooling Accelero XTREME 4870X2
    Windows XP Professional
    GIGABYTE GA-X48-DQ6, iX48(Bearlake) + iCH9R, F8D bios
    Corsair TX750W PSU

  2. #12
    Chike is offline Senior Member
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    Default Re: GA-X48-DQ6;Q6600 - OC/Memory Problem

    Quote Originally Posted by WrxSTI View Post
    Well I can't seem to reach 460 MHz any way, I've bumped the MCH and FSB voltages up but it won't POST. Any other suggestions on settings I could play with? Increasing static tRead value didn't help either.
    Yes, I have already mentioned MCH/CPU Clock Skew, change one 50-100, leave the other zero, then try the other way if it does not help or make things worse.
    For the GTL Reference settings you ened to press Ctrl+F1 at main BIOS screen.
    I suggest to run some stress tests on the highest possible FSB and make sure it is stable before trying to go higher.

    Quote Originally Posted by WrxSTI
    By the way, the MCH (or NB) has this copper heatsink on it which comes with the motherboard, cools the MOSFETs and SB too, when running benchmarks at 450 MHz this thing gets pretty hot, I can only hold my finger on it for a few seconds, and I'm not sure about being able to install an aftermarket cooling solution, all of those pipes seem linked, I don't think there's a way you can remove the NB block without removing everything and that'd leave the MOSFETs and SB uncooled... or is there? Also, now with the Megahalems installed it covers half of the NB block and is only a few milimeters above it, I can't fit any fan on there, any solution on how I could cool this cause I don't think it'll handle higher FSBs with these temps.
    I think Salty installed a 40mm on the side of his NB, on the CPU side, couldn't find the picture though.

  3. #13
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    Default Re: GA-X48-DQ6;Q6600 - OC/Memory Problem

    I've already tried those settings both ways, highest stable I can get is 420 MHz, 450MHz testing fails even with the voltages bumped to those safe values you mentioned. I've tried OCing the CPU and at 1.5000 V in bios (real about 1.46V) I can't even get 3.4 GHz, I'm not upping the voltage any higher than that... looks like a really sucky chip. But it does 2.8 GHz at 1.28750V. I don't get it.
    Intel(R) Core(TM)2 Quad CPU Q6600 G0 @2.8 GHz / Prolimatech Megahalems Cooler (2x Scythe Slipstream 1200)
    MUSHKIN XP Series 991599 4 GB (2GB + 2GB) PC-8500
    SAMSUNG HD103UJ Spinpoint F1 1000 GB / Western Digital WD1600JS-55MHB0 Caviar 160GB
    Sapphire ATi Radeon HD 4870 X2 2 GB GDDR5 (750/900MHz)@PCI-E 2.0 x16, COOLER: Arctic Cooling Accelero XTREME 4870X2
    Windows XP Professional
    GIGABYTE GA-X48-DQ6, iX48(Bearlake) + iCH9R, F8D bios
    Corsair TX750W PSU

  4. #14
    Chike is offline Senior Member
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    Default Re: GA-X48-DQ6;Q6600 - OC/Memory Problem

    320 stable as in pass Prime05 bleng 8+ hours?
    What is the highest multiplier you were able to use with 420FSB?

  5. #15
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    Default Re: GA-X48-DQ6;Q6600 - OC/Memory Problem

    No, I didn't really bother testing it that long because, 420 MHz is hardly an achievement...It passed 30 minutes, then I tried moving onto the next, because these tests usually fail within the first 1 or 2 minutes.

    420x8=3370, but just like 3.4 GHz it needs a very high (more than I'm willing to give it) voltage to be stable. I still don't get why I can boot 450 MHz and so far(5 minutes) passing the test (it failed before instantly, not sure what's going on now) but set it 455 MHz and no way that it will start. I'm still thinking this memory is giving major problems. If I set the tRead too high it won't even boot at lower frequencies. What I would like to find out is what are the loosest memory frequencies I can use and still have it work so that I can completely eliminate memory as the thing that's holding me back, because right now, I have a feeling it's doing just that.
    Intel(R) Core(TM)2 Quad CPU Q6600 G0 @2.8 GHz / Prolimatech Megahalems Cooler (2x Scythe Slipstream 1200)
    MUSHKIN XP Series 991599 4 GB (2GB + 2GB) PC-8500
    SAMSUNG HD103UJ Spinpoint F1 1000 GB / Western Digital WD1600JS-55MHB0 Caviar 160GB
    Sapphire ATi Radeon HD 4870 X2 2 GB GDDR5 (750/900MHz)@PCI-E 2.0 x16, COOLER: Arctic Cooling Accelero XTREME 4870X2
    Windows XP Professional
    GIGABYTE GA-X48-DQ6, iX48(Bearlake) + iCH9R, F8D bios
    Corsair TX750W PSU

  6. #16
    Lsdmeasap's Avatar
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    Default Re: GA-X48-DQ6;Q6600 - OC/Memory Problem

    What do you want 3.4? If so I can give you a full set of suggested settings that should work if you know how much Vcore you need for that speed

  7. #17
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    Default Re: GA-X48-DQ6;Q6600 - OC/Memory Problem

    I was actually aiming for 3.6... but it seems I need over 1.5 V just to get 3.4 stable, or maybe it's some other setting that needs adjusting? I'm not sure.

    I still can't post 455 MHz while 450 runs rock solid, I played Crysis on it for 2 hours without a hitch. Gah, what's the deal? This mobo sure is finicky.
    Intel(R) Core(TM)2 Quad CPU Q6600 G0 @2.8 GHz / Prolimatech Megahalems Cooler (2x Scythe Slipstream 1200)
    MUSHKIN XP Series 991599 4 GB (2GB + 2GB) PC-8500
    SAMSUNG HD103UJ Spinpoint F1 1000 GB / Western Digital WD1600JS-55MHB0 Caviar 160GB
    Sapphire ATi Radeon HD 4870 X2 2 GB GDDR5 (750/900MHz)@PCI-E 2.0 x16, COOLER: Arctic Cooling Accelero XTREME 4870X2
    Windows XP Professional
    GIGABYTE GA-X48-DQ6, iX48(Bearlake) + iCH9R, F8D bios
    Corsair TX750W PSU

  8. #18
    Lsdmeasap's Avatar
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    Default Re: GA-X48-DQ6;Q6600 - OC/Memory Problem

    Ya 3.6 is pretty tough on some Q6600's

    3.4 should be a bit easier, you may need 1.5 but shouldn't need that much I wouldn't think. Is this actual, amount shown in CPU-z under load or just what you have to set in the BIOS?

    Post me full settings you have stable at 450, and tell me what you want to try FSB wise or overall speed wise and I will post you some settings this afternoon if I get back in here, if not then I will tonight when I get back

  9. #19
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    Default Re: GA-X48-DQ6;Q6600 - OC/Memory Problem

    First of all thanks for the help so far, here's what's happening;

    As far as the OC, I meant I have to set 1.5 in bios, but the motherboard seems to have a lot of vDrop, and vDroop as well, so that actually goes down to about 1.46V in CPU-Z under load if I recall. I'll try it later today and see for sure.

    What I'm basically trying is to determine the maximum stable FSB the board can achieve. So far I'm seeing two problems that don't seem to be related to an actual board limitation, but moreso something else:

    1. I am at 450 MHz right now, up until this frequency I was able to keep my PCI-E frequency set to 100 and I would have no problems. However, if the PCI-E frequency is set to 100 manually, the PC will not post at 450 MHz FSB. If it is set to auto, it works, enters windows, and is overall pretty stable. I checked in EasyTune and SetFSB and when set on Auto the PCI-E frequency is set to 100 MHz just as if I were to set it manually, so it's not a case of scaling with the FSB, so I have no idea why it refuses to even post if I set the frequency manually (I can set it manually at 445 MHz and it will work, but not at 450 MHz).

    2. Second thing is memory related and I have confirmed this, I am actually running the lowest subtimings I have found on the Mushkin forums and they work at 450 MHz, except that I had to increase the static tRead Value to 11 which is beyond their values to get it to post at 450 MHz.
    Attempting 455 MHz was so far unsuccessful, until I tried entering some subtimings one number higher than I normally had and I successfuly entered Windows. When I wanted to restart to write down these settings,
    the PC turned off and wouldn't post at 455 MHz anymore. I've since been unable to replicate that. I do however remember that I set the main timings to 5-5-5-16. The recommended ones I found on Mushkin forum are:
    Performance Enhance: Standard (Upto turbo)
    CAS Latency Time: 5
    DRAM RAS# to CAS# Delay:5
    DRAM RAS# Precharge:5
    Precharge delay(tRAS): 15
    (Timings in brackets can be optimized for added performance after getting everything stable)
    ACT to ACT Delay (tRRD): 4(3-4)
    Rank Write to READ Delay: 5(3-5)
    Write to Precharge Delay: 6(5-6)
    Refresh to ACT Delay: 60(55-60)
    Read to Precharge Delay__________ 6(4-6)
    Static tRead Value_______________ 9(6-9 , depending on fsb speed)
    Static tRead Phase Adjust________ AUTO

    CPU Clock Skew Control [normal]
    GMCH Clock Skew Control [Normal]

    System Voltage Control____ [Manual]
    DDR2 OverVoltage Control__ [+0.2 +0.3]
    NB Voltage___ [0.15 - +0.2 if experiencing instability]



    And when I managed to post to 455 MHz they were more or less like this:

    Performance Enhance: Standard (Upto turbo)
    CAS Latency Time: 5
    DRAM RAS# to CAS# Delay:5
    DRAM RAS# Precharge:5
    Precharge delay(tRAS): 16
    ACT to ACT Delay (tRRD): 5
    Rank Write to READ Delay: 6
    Write to Precharge Delay: 7
    Refresh to ACT Delay: 68
    Read to Precharge Delay: 7
    Static tRead Value: 11
    Static tRead Phase Adjust: AUTO

    I've tried that and it didn't work again as I might not remember perfectly, but like I said I doubt even that was stable since it shut down when I tried to restart to write them down...

    If there's one thing for sure this is no motherboard limitation and the problem is 100% in the memory timings.
    Intel(R) Core(TM)2 Quad CPU Q6600 G0 @2.8 GHz / Prolimatech Megahalems Cooler (2x Scythe Slipstream 1200)
    MUSHKIN XP Series 991599 4 GB (2GB + 2GB) PC-8500
    SAMSUNG HD103UJ Spinpoint F1 1000 GB / Western Digital WD1600JS-55MHB0 Caviar 160GB
    Sapphire ATi Radeon HD 4870 X2 2 GB GDDR5 (750/900MHz)@PCI-E 2.0 x16, COOLER: Arctic Cooling Accelero XTREME 4870X2
    Windows XP Professional
    GIGABYTE GA-X48-DQ6, iX48(Bearlake) + iCH9R, F8D bios
    Corsair TX750W PSU

  10. #20
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    Default Re: GA-X48-DQ6;Q6600 - OC/Memory Problem

    Northbridge/MCH needs airflow, or it gets too hot. No air spill from tower coolers, so u need to position a fan so the NB gets airflow. Very important.

    With 4GB ram MCH may need +.2v

    With my X48-DQ6 and E8500 9.5 x 440bclk was where GTLs came into play.





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