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Thread: DPC Latency issue Gigabyte EX58-Extreme




  1. #41
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    Cool Re: DPC Latency issue Gigabyte EX58-Extreme

    Quote Originally Posted by Lsdmeasap View Post
    Hmm,for a whole day after reboot it's fine?

    How about disabling the OS Performance counters, you'll need to Google how to do that. Maybe it is those counters stacking up data and then after a day or so starts causing issues?
    That's a crazy idea... I like it!! I'll give that a whirl. Thanks man!!

  2. #42
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    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: DPC Latency issue Gigabyte EX58-Extreme

    Anytime!

    If you can't find how to do that let me know and I'll dig around for you and see if I can find it. I know you can do it though as I've seen it suggested in SSD tweak suggestions at a few places

  3. #43
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    Default Re: DPC Latency issue Gigabyte EX58-Extreme

    I was able to disable it using the steps and link here: Make Windows Run fast by Disabling Performance Counters*|*Internet Security Blog

    Now I wait a few hours and see what happens!

  4. #44
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  5. #45
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    Default Re: DPC Latency issue Gigabyte EX58-Extreme

    Waaah! No luck. The DPC spikes are back. :(
    Thanks for the suggestion though!

    I'm going to try swapping out RAM next. Other than the CPU, I think that's the only thing I haven't swapped (hardware wise).

  6. #46
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    Default Re: DPC Latency issue Gigabyte EX58-Extreme

    Did you try a clean install, just for testing with no drivers or programs loaded?

    How about a PCI Card instead of PCIE, in case the ones you tested with both cause issues.

  7. #47
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    Default Re: DPC Latency issue Gigabyte EX58-Extreme

    I tried a new install of W7 x64 and saw the dpc spikes right away before I even ran Windows Update. Ugh. (I recall I also swapped out the Power supply a while ago).

    Next, I will try pulling RAM, and then try tracking down a PCI based video card as you suggest.

    Thanks again, man!

  8. #48
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    Default Re: DPC Latency issue Gigabyte EX58-Extreme

    I'd just go ahead with the PCI test, on a clean install, no updates or drivers (no drivers for the PCI Card either)

  9. #49
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    Default Re: DPC Latency issue Gigabyte EX58-Extreme

    Darryl_gittins, I have exactly the same problem and same behavior with EX58 extreme win7 64bit using internal sound and 2 network cards. Reinstalled NETWORK drivers from http://download.gigabyte.ru/driver/m...ek_8111_w7.exe And it seems latency goes OK without restart.
    I will see, if it will be working well.

  10. #50
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    Default Re: DPC Latency issue Gigabyte EX58-Extreme

    Use this to narrow down what's causing the spike.
    Helped me get my HP laptop to peak at 80units.
    This will help you narrow it down for SURE :-)
    Resplendence Software - LatencyMon: DPC, ISR and pagefault execution monitor

    Usually network cards,lan,drivers, wifi are to blame.
    Others are graphics drivers.
    My Hp laptop kept getting a spike and Latencymon pointed to NDIS.sys as causing the spike, which is keyed by my wifi network.
    Disable the wifi and the spike disappeared!
    Last edited by imdrecordings; 09-22-2010 at 11:34 AM.

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