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Thread: Very strange behaviour after changing PC case and PSU




  1. #161
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    Default Re: Very strange behaviour after changing PC case and PSU

    I am having a new problem, damn am I getting tired of problems :| I noticed last night I was having dropout in the audio when listening to mp3 files in winamp but didnt really look into it and thought it was just a one-time thing. But today when I got home and started winamp it was there again, dropouts in the audio.
    So I started DPC Latency Checker and CRAP I have continuous spikes all the way up to 16.000 micro secs :( I did a DPC latency check a while back ago and I had none. All that has changed since then that I can remember is the overclocking so I put back the stock values in BIOS (333x9@1.225volt) 5-5-5-18 timings, subtimings on AUTO. Ran a new DPC latency check and now its better but not gone, I still have occasional (one in 5-10 minutes maybe) spikes. What could be wrong? At 375x9 its catastrophic spikes.

    EDIT. Running CPU-Z makes DPC Latency go CRAZY, spiking all over the place.
    Shutting down Realtemp makes it a little bit better.
    Last edited by LaZ; 07-09-2008 at 12:28 AM.
    Mobo - Gigabyte GA-EX38-DS4
    CPU - Intel Core 2 Duo E8400 @3.6GHz
    RAM - Mushkin Redline XP2 PC8000
    GFX - Gigabyte Geforce 8800GT Type B
    PSU - Hiper Type R MKII 680W

  2. #162
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    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: Very strange behaviour after changing PC case and PSU

    Surely you have seen this right? >>>
    http://forums.tweaktown.com/f69/p35-...spiking-26456/

    There is likely some Beta's in there if you want to try them out, but Maybe you should wait until they get it final.... IF they every do.

  3. #163
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    Default Re: Very strange behaviour after changing PC case and PSU

    Yep and I have read the whole thread, apperantly not many users with EX38-DS4 board have the issue. And I dont either as long as I dont overclock. But as it is now I am running at ~3.4GHz and I have huge spikes. I thought that maybe u knew if there is some overclock setting that would eliminate or atleast improve the DPC spiking.

    Amd yeah there is F4b beta BIOS put now but I am a bit hesitant to flashing a beta. I emailed janu about it.
    Mobo - Gigabyte GA-EX38-DS4
    CPU - Intel Core 2 Duo E8400 @3.6GHz
    RAM - Mushkin Redline XP2 PC8000
    GFX - Gigabyte Geforce 8800GT Type B
    PSU - Hiper Type R MKII 680W

  4. #164
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    Default Re: Very strange behaviour after changing PC case and PSU

    Is it a big issue to you? I dont see how it could be to anyone unless the MAKE music, but hey what do I know

    Keep in mind if you do a flash to write down your settings as they will be gone, and also Remember to load optimized defaults and save and apply, reboot before making those changes again

  5. #165
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    Default Re: Very strange behaviour after changing PC case and PSU

    Its not a huge issue but it DO affect me, I cant really listen to music very good without having audio dropouts now and then. And as I said it is ONLY when I am overclocked, not at stock settings. I do have spikes even at stock but they dont go over 1000 microsecs and do not affect music listening.
    Mobo - Gigabyte GA-EX38-DS4
    CPU - Intel Core 2 Duo E8400 @3.6GHz
    RAM - Mushkin Redline XP2 PC8000
    GFX - Gigabyte Geforce 8800GT Type B
    PSU - Hiper Type R MKII 680W

  6. #166
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    Lsdmeasap is offline GIGABYTE Guru
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  7. #167
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    Default Re: Very strange behaviour after changing PC case and PSU

    Havent tried WMP. But it does it even when the computer is idle, not at the same rate though. Its most occurent when using winamp. BUT I may have found the issue, too soon to be sure just yet though. I just uninstalled the nvidia drivers for my gfx and using the Vista built-in gfx drivers now. And I have not had a single spike above 1000 microsecs yet (5 min and running). Gonna do a driver sweep now in SafeMode and then install an older version of Forceware. Hope the spikes stay away after that.
    Mobo - Gigabyte GA-EX38-DS4
    CPU - Intel Core 2 Duo E8400 @3.6GHz
    RAM - Mushkin Redline XP2 PC8000
    GFX - Gigabyte Geforce 8800GT Type B
    PSU - Hiper Type R MKII 680W

  8. #168
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    Default Re: Very strange behaviour after changing PC case and PSU

    I meant the Audio loss, not the spikes themselves.

    You should also disable ANYTHING in the BIOS you are not using

  9. #169
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    Default Re: Very strange behaviour after changing PC case and PSU

    Update. This is damn weird. Like I said I unstalled my nvidia drivers and booted. Used Vista built-in drivers. No spikes at all. Booted safe mode and did a driver clean. Booted again normal. Installed Forceware 169.25. Booted. NO spikes at all. All gone. BUT and this is a big crappin BUT :( Instead I get this error, Nvidia Sentinell is reporting your VGA card is not getting enough power so it is reducing the performance bla bla ??? So again I uninstall Nvidia drivers, boot safe mode, do driver clean. Boot normal and install Forceware 175.16. Now the VGA is getting enough power and does not complain. And guess what, spikes are back :( Could the +0.1volt on the PCI-E have anything to do with forceware 169.25 reporting VGA card not getting enough power?

    I will seriously start to cry soon
    Last edited by LaZ; 07-09-2008 at 03:07 AM.
    Mobo - Gigabyte GA-EX38-DS4
    CPU - Intel Core 2 Duo E8400 @3.6GHz
    RAM - Mushkin Redline XP2 PC8000
    GFX - Gigabyte Geforce 8800GT Type B
    PSU - Hiper Type R MKII 680W

  10. #170
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    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: Very strange behaviour after changing PC case and PSU

    No, +.1 .... That would be giving it more power then default so I doubt that could make it say not enough! Likely the changed some things between that one and the new one, try one in between them, or try +.15 and the older driver and see if that shuts it up

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