Realtek, Windows 7 64RTM Crackle/static/popping

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  1. nonews
    Posts : 4
    Windows 7 x64
       New #181

    Thanks to the contributors on this forum I was able to get the cracking to go away on my Win7x64 system with the Realtek HD audio. This also cured another symptom that I had with playing video in Itunes in which the audio would get further and further behind the video.

    After trying several drivers this one change worked for me:

    Control Panel --> All Control Panel Items --> Power Options
    Select "Change Plan Settings" on the power plan you are using will take you to

    Control Panel --> All Control Panel Items --> Power Options --> Edit Plan Settings
    Select "Change advanced power settings" which will bring up a Power Options settings box

    Expand "Processor power Management"
    Expand "Minimum Processor state"
    Set to "100%"
    Apply That is all.

    That worked for me. I later used the DPC Latency Checker tool (mentioned a couple of pages back) to verify that, on my system at least, any setting below 70% caused high DPC latency and a return of cracking and delays.

    This issue came close to making me ditch Win7 and go back to XP. This thread lead me to the solution.

    Thanks

    Using realtek R2.34 drivers C2D E8400 on G31 gigabyte MB
    Attached Thumbnails Attached Thumbnails Realtek, Windows 7 64RTM Crackle/static/popping-minproc5.jpg   Realtek, Windows 7 64RTM Crackle/static/popping-minproc100.jpg  
    Last edited by nonews; 07 Jan 2010 at 21:00. Reason: added screen caps
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  3. DBruce49
    Posts : 1
    Windows 7 Home Premium 64
       New #182

    BIOS change worked


    I had the static/scratching sound whenever IE opened a new window and the sound didn't work at all or produced non-stop scratching. What solved the problem was setting the internal sound card to ENABLE from AUTO. Thanks for the suggestion.
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  4. octane097
    Posts : 35
    Windows 7 64bit
       New #183

    nonews said:
    Expand "Processor power Management"
    Expand "Minimum Processor state"
    Set to "100%"
    Apply That is all.
    I'm really glad to hear this worked for you. For me, this is not the case. The only way to make the popping disappear is to exit uTorrent and restart it. My DPC Latency will stay in the green, and I won't have popping, for a few hours. It will come back, and I'll have to do the same thing again. ****ty workaround but it will have to suffice.
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  6. nonews
    Posts : 4
    Windows 7 x64
       New #184

    octane097 said:
    nonews said:
    Expand "Processor power Management"
    Expand "Minimum Processor state"
    Set to "100%"
    Apply That is all.
    I'm really glad to hear this worked for you. For me, this is not the case. The only way to make the popping disappear is to exit uTorrent and restart it. My DPC Latency will stay in the green, and I won't have popping, for a few hours. It will come back, and I'll have to do the same thing again. ****ty workaround but it will have to suffice.
    Yes is a just a work around as is my solution. Even is I eliminate Processor Power Management as a source of problems, some other condition that I haven't encountered yet may still cause DPC latency issues.

    As a follow-up I discovered I can also LOWER the Maximum Processor State to equal the Min Processor state and still get no DPC latency issues. On my setup, at least, Windows 7 Processor Power Management is triggering or causing the latency issues that I assume is causing the audio problems. (Does everyone with the cracking audio problem have DPC latency issues?)

    I don't recall having this problem on the Beta or RC. So what changed? Are more things causing latency problems or is the audio system (Windows or Realtek parts) now just more susceptible to the latency problems?
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  7. belikexp
    Posts : 222
    Windows 7 x64
       New #185

    nonews said:
    After trying several drivers this one change worked for me:

    Control Panel --> All Control Panel Items --> Power Options
    Select "Change Plan Settings" on the power plan you are using will take you to

    Control Panel --> All Control Panel Items --> Power Options --> Edit Plan Settings
    Select "Change advanced power settings" which will bring up a Power Options settings box

    Expand "Processor power Management"
    Expand "Minimum Processor state"
    Set to "100%"
    Apply That is all.
    Interesting. All I see on my system is System Cooling Policy. I'm curious how to see the two seetinngs you have "Processor power Management" and "Minimum Processor state".
    (I have no issues just curious)
    Attached Thumbnails Attached Thumbnails Realtek, Windows 7 64RTM Crackle/static/popping-poweroptions.jpg  
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  8. nonews
    Posts : 4
    Windows 7 x64
       New #186

    belikexp said:
    nonews said:
    After trying several drivers this one change worked for me:

    Control Panel --> All Control Panel Items --> Power Options
    Select "Change Plan Settings" on the power plan you are using will take you to

    Control Panel --> All Control Panel Items --> Power Options --> Edit Plan Settings
    Select "Change advanced power settings" which will bring up a Power Options settings box

    Expand "Processor power Management"
    Expand "Minimum Processor state"
    Set to "100%"
    Apply That is all.
    Interesting. All I see on my system is System Cooling Policy. I'm curious how to see the two seetinngs you have "Processor power Management" and "Minimum Processor state".
    (I have no issues just curious)
    Did you turn off Cool'n'Quiet in the BIOS?
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  10. nonews
    Posts : 4
    Windows 7 x64
       New #187

    Other data points


    My old Venice Core Athlon64 system running Win7x64 RC has no DPC latency issues with Windows 7 Processor Power Management changing the CPU clock and voltage.

    On my C2D systems running Win7x64, only disabling C1E did not stop the DPC latency problems. Disabling EIST did prevent DPC issues no matter the windows 7 PPM setting. Disabling HPET lowered latency a small amount but by itself did not prevent latency issues.

    I looked at a fresh install of the RC on the C2D system. The latency was just as high but there were fewer cracks in the audio using the audio driver included with the Win7 RC. They were there still. Again. not allowing windows PPM made the DPC latency reduce to the sub 100uS level where there were no problems.

    The DPC latency does seem to be the main issue but some audio drivers are more forgiving than others.
    Attached Thumbnails Attached Thumbnails Realtek, Windows 7 64RTM Crackle/static/popping-win7rcdpc.jpg  
    Last edited by nonews; 12 Jan 2010 at 17:07. Reason: Add more information
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  11. belikexp
    Posts : 222
    Windows 7 x64
       New #188

    Yes I did. I've had Cool'n'Quiet turned on in the past but I didn't notice any problems.
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  12. SethG911
    Posts : 12
    Windows 7 Ultimate 64 bit
       New #189

    Realtek just pushed some new drivers for their NICs to Windows 7 Update this morning. I suggest running windows update, they will be under the "optional" section, look for Realtek - Network - Realtek PCIe GBE Family Controller. Like I mentioned in my last post, it seems to be a conflict between NICs and other hardware that causes the high DPC latency. Download and install these drivers to see if it helps.
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  13. octane097
    Posts : 35
    Windows 7 64bit
       New #190

    SethG911 said:
    Realtek just pushed some new drivers for their NICs to Windows 7 Update this morning. I suggest running windows update, they will be under the "optional" section, look for Realtek - Network - Realtek PCIe GBE Family Controller. Like I mentioned in my last post, it seems to be a conflict between NICs and other hardware that causes the high DPC latency. Download and install these drivers to see if it helps.
    Don't see it. I updated mine manually a few days ago to 7.11.1127.2009 (11/27/2009). What version is this one?

    I agree with you 100% it's definitely a conflict with the NIC. I did buy a standalone Rosewill NIC (which uses a Realtek chip) and had the same high DPC Latency problem!!

    See this thread

    I found that restarting utorrent is a quick temporary fix.
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