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Thread: Cool, quiet, fast & sexy - long road to enlightment




  1. #111
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    Default Re: Cool, quiet, fast & sexy - long road to enlightment

    Bear in mind that sometimes the CPU will need more voltage to be stable at a higher FSB, even if actual CPU speed in GHz is identical. I recommend setting the max you're comfortable with as a temporary measure. OFC you can then tune down vcore etc later, but I'd hate to see you work hard on a certain FSB for ages oonly to find Vcore the limiting factor.

    However you decide to do it, keep the reports coming in.
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  2. #112
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    Default Re: Cool, quiet, fast & sexy - long road to enlightment

    That's a good point. I will try later on.
    Btw seems like I can go lower with MCH Core - only three hours, but 1.2 seems stable enough. I originally thought 1.26 will be around the the minimal value on this board. Fingers crossed. I will keep it going until tomorrow evening when I'll go pick up the NB heatsink. And after that - rock'n'roll baby!

    Would you consider getting the weird CPU windtunnel btw?

  3. #113
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    Default Re: Cool, quiet, fast & sexy - long road to enlightment

    I think I would actually. It will allow you to shed a faan, as long as you have the rear extraction on a full 12V. I can see it being useful to me as a substitute to a push/pull setup. Noise only really bothers me when browsing the net though. Gaming with headphones drowns out the fans well (system is rather quiet anyway).

    One concern I have with it though, because the extractor is now only sucking in air from the HSF and not from all angles in the general area of the top rear, case temps may rise a bit. Having a top extraction may help, but I don't have the facility to add one, or the tools to cur a blow hole accurately in such fine gage aluminium. The product should be cheap though, so worth a try.
    Coolermaster CM 690 II advance Case
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  4. #114
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    Default Re: Cool, quiet, fast & sexy - long road to enlightment

    What I would do is getting rid of the CPU fan and instead adding another Noctua (the new one) as an intake fan. The slot is around the same height where major heat sources on the board are, so it might work. I guess I will get it anyway, even if it sucked I wouldn't mind considering the price.

  5. #115
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    Default Re: Cool, quiet, fast & sexy - long road to enlightment

    Sounds good to me.

    Also worth considering is another front intake in line with the HSF. You can (you've probably seen them) get things like the Scythe Kama Bay that take up three 5.25" bays. Hopefully this would blow on the Thermalright NB cooler, or if you like, use another of those tube things and have the CPU directly linked to external air.

    Actually, if I can get hold of an official Lian Li bay cooler, I'd love to try that. Having all the intake air of the HSF coming from outside and most of the warm air (minus stuff that escapes at the sides of the HSF) going right out the back may be great for my load temps. Having the case open takes ~3c off of CPU temp, so I know my air flow isn't as well optimized as it could be, unfortunately.
    Coolermaster CM 690 II advance Case
    Corsair HX750 (CWT, 91%(80+ Gold rated @230V) single 62A 12V rail
    P55A-UD4 v2.0 @ F14
    Core i5 760 @ 20 x 201, 4.02GHz
    TRUE Black with a single Noctua NF-P12 pumping out 55 CFM @ 19db .
    2 x 2GB Mushkin Ridgeback (996902), @ 7-10-8-27, 2010-DDR, 1.66v
    2 x Gigabyte GTX 460 1024MB in SLI (Pre OC'd to 715MHz core and 1800MHz VRAM) @ 850 Core / 4100 Mem.
    Intel X25-M Boot Drive (OS and Programs) 200MB/s Read & 90MB/s Write
    Corsair X32 200MB/s Read & 100MB/s Write
    WD Caviar Blue 640GB C (Steam, Games, Storage, Temp Files & Folders, etc)
    Samsung F3 500GB Backup/Images
    Noctua 1300RPM 19dB case fan (rear extraction)
    3 x 140 MM Coolermaster LED fans (one front intake, one top extraction, one side intake)
    Dell Ultra Sharp 2209WAf E-IPS @ 1680x1050

  6. #116
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    Default Re: Cool, quiet, fast & sexy - long road to enlightment

    The damn 1.22 test failed after 10 hours, crap :P
    So I said to myself fcuk it and pumped it all the way up to 530 :D
    1.3 MCH core, is that too high or not? On 3 hours so far. 1.2 CPU term. Hm.

    Btw refresh my memory please, what's LLC? I had hard time automatically translating VTT into CPU termination, and now this :D

  7. #117
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    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: Cool, quiet, fast & sexy - long road to enlightment

    LLC is Load Line Calibration

    Not sure exactly what you are testing here, but I would maybe use more Vtt and less MCH unless you have a fan directly on the MCH. But even so 1.3 should not be needed

  8. #118
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    Default Re: Cool, quiet, fast & sexy - long road to enlightment

    As Lsdmeasap says, hopefully with more tweaking you can get 1.3V MCH lower. It's OK to use now to check stability, but reduce it if you can. 1.3-1.34 is about the max 24/7 I'd personally be OK with running, but if you have good cooling when you get the Thermalright, you should be OK.

    Load Line Calibration is useful in some cases, especially if you've tried 1.3625V without it and can't get stable. Setting LLC on and starting testing with ~1.35V can mean staying as low Vcore wise as possible, even if LLC is out of spec.

    I also use LLCmyself as an insurance policy. If I want to test stability I'll enable LLC and give more than enough Vcore for the initial first stability test (12 hours. This way I can be 99% certain that if something fails then it's not because of Vcore. This may seem like more of a brute force method, but it's served me well and saved a lot of time getting fails after 10 hours because of CPU voltage (used to happen a lot). OF|C tune down your Vcore after. Quickest way I find is to drop it 2 notches, maybe three at a time and do an over night test. If it fails after a three notch decrease, increase by one, if it stays stable, you've saved time by skipping two settings in testing.
    Coolermaster CM 690 II advance Case
    Corsair HX750 (CWT, 91%(80+ Gold rated @230V) single 62A 12V rail
    P55A-UD4 v2.0 @ F14
    Core i5 760 @ 20 x 201, 4.02GHz
    TRUE Black with a single Noctua NF-P12 pumping out 55 CFM @ 19db .
    2 x 2GB Mushkin Ridgeback (996902), @ 7-10-8-27, 2010-DDR, 1.66v
    2 x Gigabyte GTX 460 1024MB in SLI (Pre OC'd to 715MHz core and 1800MHz VRAM) @ 850 Core / 4100 Mem.
    Intel X25-M Boot Drive (OS and Programs) 200MB/s Read & 90MB/s Write
    Corsair X32 200MB/s Read & 100MB/s Write
    WD Caviar Blue 640GB C (Steam, Games, Storage, Temp Files & Folders, etc)
    Samsung F3 500GB Backup/Images
    Noctua 1300RPM 19dB case fan (rear extraction)
    3 x 140 MM Coolermaster LED fans (one front intake, one top extraction, one side intake)
    Dell Ultra Sharp 2209WAf E-IPS @ 1680x1050

  9. #119
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    Default Re: Cool, quiet, fast & sexy - long road to enlightment

    17 hours stable! I might be onto something!
    And I will experiment with lower MCH core, don't worry :)

    edit: and I am testing max FSB possible of course.
    Last edited by Octopuss; 08-14-2009 at 05:38 AM.

  10. #120
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    Default Re: Cool, quiet, fast & sexy - long road to enlightment

    a 20% over volt is a good rule of thumb with most electronics. As MCH is stock at 1.1V, 120% of this is 1.32V. The same holds true for CPU termination etc, with ~1.45 VTT being the absolute max for a 45nm chip IMO, unless you can replace the component if things go wrong.
    Coolermaster CM 690 II advance Case
    Corsair HX750 (CWT, 91%(80+ Gold rated @230V) single 62A 12V rail
    P55A-UD4 v2.0 @ F14
    Core i5 760 @ 20 x 201, 4.02GHz
    TRUE Black with a single Noctua NF-P12 pumping out 55 CFM @ 19db .
    2 x 2GB Mushkin Ridgeback (996902), @ 7-10-8-27, 2010-DDR, 1.66v
    2 x Gigabyte GTX 460 1024MB in SLI (Pre OC'd to 715MHz core and 1800MHz VRAM) @ 850 Core / 4100 Mem.
    Intel X25-M Boot Drive (OS and Programs) 200MB/s Read & 90MB/s Write
    Corsair X32 200MB/s Read & 100MB/s Write
    WD Caviar Blue 640GB C (Steam, Games, Storage, Temp Files & Folders, etc)
    Samsung F3 500GB Backup/Images
    Noctua 1300RPM 19dB case fan (rear extraction)
    3 x 140 MM Coolermaster LED fans (one front intake, one top extraction, one side intake)
    Dell Ultra Sharp 2209WAf E-IPS @ 1680x1050

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