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Thread: GA-EX58-UD5+F9/EMU1616M/Windows 7x64: DPC latency spikes & audio crackle

  1. #11
    Join Date
    Nov 2011

    Default Re: GA-EX58-UD5+F9/EMU1616M/Windows 7x64: DPC latency spikes & audio crackle

    Quote Originally Posted by wazza300 View Post
    did you try disabling c1e in advanced cpu features in the bios? if it doesnt stop it try disabling c3/c6 on the same bios page
    yes, i've tried disabling both and didn't solve...

    why the problem doesn't shows in ubuntu? or in Windows when downgrade to BIOS F12? (even with these features on)

    I also tried to load BIOS optimized values and tried with the latest drivers from gigabyte website and also from realtek... but the problem persists.

  2. #12
    Join Date
    May 2009

    Default Re: GA-EX58-UD5+F9/EMU1616M/Windows 7x64: DPC latency spikes & audio crackle

    I had the same issue with my M-audio card and the onboard audio.. Took me a while to figure out that in the case of the M-Audio it was the CPU dynamic volatge function. Simple solution for me was to set the CPU to a set voltage (my i7 920 seems fine at 1.2v with no overclock) and disable the dynamic voltage setting. The C1E trick worked for onbaord sound but not for my m-audio.. The dynamic voltage was most certainly the issue for me! I been using my m-audio for a couple of months in this rig and most happy now I got that solved!! not a trace of noise or DPC spikes :D

    Of course I would love to save the odd half a volt but for the sake of being able to enjoy my audio its a simple trade-off that works here.

    I hope this helps.


  3. #13
    Join Date
    Nov 2011

    Default Re: GA-EX58-UD5+F9/EMU1616M/Windows 7x64: DPC latency spikes & audio crackle

    Even after the final release of the F13 BIOS (not a beta version), the problem persists.

    After several testing, I was able to solve the problem.

    First, I had to disable the lower power settings on BIOS as some of you suggested. But only this wasn't enough.
    Also, I turned off the EnergySaver 2.0 program (from Gigabyte). This made the sound better, with less clicking, but still with some "clicks".
    Finally, I discovered another setting that should be disable on BIOS: C.I.A., this overclock the CPU on demand, as more CPU is needed.

    I can't understand why Gigabyte made these changes on BIOS behavior, since with previous version (F12 and older) this never happened. If I downgrade the BIOS for one of these older versions, I can leave all mentioned settings ON without any clicking sound.

    I contacted Gigabyte about this issue, and their suggestion was re-installing Windows, what I did on another HD and didn't solve the problem, obviously.

    Thanks for all your help!

  4. #14
    Join Date
    Aug 2009
    Birmingham,Great Britain

    Default Re: GA-EX58-UD5+F9/EMU1616M/Windows 7x64: DPC latency spikes & audio crackle

    id go back to f12 if f13 doesnt add anything that you need ect,i still find f12 to be very stable bios ect
    Gigabyte z77x UP4-TH F11c Modded Bios
    Intel i7 3770k 24/7@4.8ghz 1.38v Turbo llc +0.165v dvid multithreading enabled
    Samsung Green(MV-3V4G3D/US) 8GB @2133mhz 9-10-10-21-1t 1.55v
    Thermalright Silver Arrow Cpu Cooler
    1xSamsung 840 pro 256 Gb SSD windows 8.1 pro 64bit
    1xSamsung f4 HD204UI 2tb hard drive Storage
    Powercolor 7970 3gb V3 @1150mhz core/1700mhz mem,1.150v Accelero aftermarket air cooler 55c max
    Razer Lycosa Keyboard
    Logitech X-530 5.1 Speakers
    Lite-On iHAS124-19 24x Sata DVDRW
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    Xfx Pro 750w silver rated Psu 80+
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