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e6500 crackling audio

Discussion in 'Dell Latitude, Vostro, and Precision' started by matva, Sep 8, 2008.

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  1. ziesemer

    ziesemer Notebook Consultant

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    ndawg25, others - If you're still having problems with the latest IMSM 8.8 drivers, can you please confirm that it is due to DPC latency, and that it is due to the IMSM drivers? Use Microsoft's xperf tool to find the module and a stack for what is consuming the most DPC latency. Details are at http://forum.notebookreview.com/showthread.php?t=341918 starting at response #35.

    Also, what happens when you turn the Dell 1610 WiFi off, still with the IMSM 8.8 drivers? Are you thinking it is due to IMSM or the WiFi, or that the issue requires a combination of both?
     
    ziesemer, Mar 23, 2009
    #281
  2. ndawg25

    ndawg25 Notebook Enthusiast

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    Ziesemer here are my results:

    Please help me understand this! I took two...one with WIFI ON and the other one is OFF... I get much less audio crackling with Wifi OFF but with it on, it's very bad.

    My Specs: E6400 2.4 GHz Windows Vista Business 32Bit, 4GB Ram, Wifi Dell 1510, 160HD, Nvidia 160M. IMSM 8.8, Bios A11
     
    ndawg25, Mar 23, 2009
    #282
  3. ziesemer

    ziesemer Notebook Consultant

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    ziesemer, Mar 24, 2009
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  4. deichjunge

    deichjunge Newbie

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    Hi,
    thanks to some posts in other threads of this forum I was able to update some information on crackling audio in my previous summary.
    There is a shimmering light in this dpc-latency-dell-wlan-intel-matrix-vista-os-darkness... ;-)

    greetings
     
    deichjunge, Mar 27, 2009
    #284
  5. Barny

    Barny Notebook Enthusiast

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    Try doing some heavy disk work while running DPC checker. On my E6400 the latency is reduced by about 50%. It's pretty weird.
     
    Barny, Mar 27, 2009
    #285
  6. deichjunge

    deichjunge Newbie

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    copying >1GB from external HD (eSATA) to internal HD under Vista 32-bit SP1 caused my latencies to get just a very little worse but still <1200ms. So I can't reproduce your result (WIN XP I suppose?). This thing is really weird...
     
    deichjunge, Mar 27, 2009
    #286
  7. Barny

    Barny Notebook Enthusiast

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    Yeah, XP. Hmm... It happened to me while Traktor was analyzing tracks. I'll have to try it with regular file copying.
     
    Barny, Mar 27, 2009
    #287
  8. tbealmear

    tbealmear Newbie

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    For everyone who is still having this issue. I called Dell today and they had me upgrade the Intel Matrix software to 8.8. The software is not up on their site yet, but it is at Intel's site. Here is the link: http://downloadcenter.intel.com/Product_Filter.aspx?ProductID=2101

    That update has completely gotten rid of my audio popping and crackling issue. The video issue has only happened once and that was right after I updated. I have been trying to get the laptop to flip out all afternoon (E6500) and it has been working flawlessly. I hope that this will help everyone else that is having issues with theirs.
     
    tbealmear, Apr 6, 2009
    #288
  9. chuckh0308

    chuckh0308 Notebook Enthusiast

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    I updated to 8.8 and it reduced the problem, but I'm still getting a "pop" exactly every minute. Glad that worked for you though!
     
    chuckh0308, Apr 16, 2009
    #289
  10. chbong

    chbong Newbie

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    I ve done clean installation and replaced dell 1397 wireless with intel proset 5300 i got from ebay and all the cracking sounds are gone. However the latency is topped at 1500us once/twice in 15mins. However, it is much better than having cracking sound.

    My old thinkpad's latency is top at about 500us. Much better than my new e6500.
     
    chbong, Apr 18, 2009
    #290
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