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Thread: EP-45 Extreme + Q9650 4GHz




  1. #11
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: EP-45 Extreme + Q9650 4GHz

    Are you adjusting the MCH Ref properly? If you are not sure, see the link in my signature, adjusting it any other way may cause issues and not be stable

  2. #12
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    Default Re: EP-45 Extreme + Q9650 4GHz

    I haven't played around with mch ref yet, its still at the default .76, but I had to mess around with that a hell of a lot when I was overclocking my dual core. If I remember correctly I take the cpu term down to 1.20 or the 'normal' setting, adjust the ref then up the cpu term again.
    Last edited by cyclo; 12-01-2009 at 12:17 AM.

  3. #13
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    Default Re: EP-45 Extreme + Q9650 4GHz

    Yeap, thats it! Just wanted to check to be sure you were doing it right, sorry I thought I saw it set to something else (Not stock) is why I said that.

    Try .68-.82 with various Vtt amounts, I think maybe .74-.82 would be better for Quad

  4. #14
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    Default Re: EP-45 Extreme + Q9650 4GHz

    Just out of interest, what would a save temp be for these quads? atm all the cores are averaging at 65c. Was thinking of pushing it to 4.2ghz once I get this stable and have the patience for it :)

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    Default Re: EP-45 Extreme + Q9650 4GHz

    For Prime, 65c is about where I'd draw the line. Any more and you need to consider getting a better cooler.
    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. #16
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    Default Re: EP-45 Extreme + Q9650 4GHz

    Defiantly runs hotter than my dual core anyway. That was only at 60-65c @ 4.2ghz with a higher vcore

  7. #17
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    Default Re: EP-45 Extreme + Q9650 4GHz

    Yep, Quads do run much hotter, especially when increasing the voltage at high frequencies. You're basically cooling twice the amount of silicon.

    You'll also find that some coolers while quite capable of handling a dual and keeping temps very very low, will be completely saturated by a quad core and fall over quite badly.

    Consider treating yourself to a TRUE, Prolimatech Megahalems, Noctua tower, Zalman 10 series or a Titan Fenrir. Also a decent high static pressure fan like the Noctua NF-P12 would be a good idea to maximise cooling potential. Take the Scythe range of fans for example. they're popular and kick up a fair bit of air flow. However, place them on a heatsink with ~40% of the fan area covered/blocked by heatsink fins and they become much less effective. My Noctua 55CFM 1300 RPM has beaten many ~70+ CFM 2500RPM-3000RPM fans for cooling effectiveness with my TRUE. Dense fin arrays really sort out the good fans from the average ones. Not forgetting that the Noctua NF-P12 has a lifetime warranty. I have two at the moment and can guarantee I'll be using them in my next 5+ builds. Can't see me changing them unless Noctua release a significantly better model.
    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

  8. #18
    Lsdmeasap's Avatar
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    Default Re: EP-45 Extreme + Q9650 4GHz

    I'd say if you are on air, you should keep voltage (Vcore anyway) under 1.45-1.5V otherwise temps will raise very quickly, and that may be pushing it depending on your cooler. 65C in prime means 80-85C+ likely in Intel Burn Test

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