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Thread: Disabling CPU throttling in BIOS - Z68X

  1. #1
    genegold is offline Member
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    Default Disabling CPU throttling in BIOS - Z68X

    For audio purposes, I've disabled CPU throtlling in Win 8 and would like to do the same in the BIOS. Looking at the power management section of the Z77X manual for UEFI, is it the ErP setting - enable? Otherwise, what should I do or where should I be looking? Other than power usage, is there any downside to this? Thanks,
    Last edited by genegold; 05-05-2013 at 07:24 AM.
    Gigabyte GA-Z68X-UD3H-B3 (Rev. 1.3) UEFI BIOS (U1h)
    Intel i7-2600K 3400MHz
    16 GB G.Skill DDR3 2133 RAM (Ares 2x4gb, Sniper 2x4gb)
    Sapphire HD7750 Ultimate video
    Prolimatech Megahalems Rev. C cooler w/ Nexus Silent Fan
    Kingwin LZP-550 PSU
    Plextor MB3 Pro 128GB (Win 7/8 x64)
    Seagate 3TB 7200 rpm SATA 6Gb/s & Seagate 2TB 7200 rpm SATA 6Gb/s
    Dell U2412M Monitor (1920x1200)
    Plextor PX-891SA CD/DVD Writer/Player
    IBM Model M keyboard / Bornd M120 wireless mouse
    Canon MP640 printer / Brother HL-2270DW printer
    Anker USB 3.0 front panel
    Ciunas Dac (USB) and Focal CMS 40 powered speakers
    Windows 8.1 Pro x64

  2. #2
    wazza300's Avatar
    wazza300 is online now Sloth Fratelli-Moderator
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    Default Re: Disabling CPU throttling in BIOS - Z68X

    just disable intel speedstep in the bios

    cpu will run full voltage and speed = no cpu speed/voltage throttling at idle

    are you using easytune software? try closing that if your hearing audio crackle

    I see your using usb powered speakers,you might be getting emi leakage through the usb ports,thought about testing with rear panel audio speakers?
    Last edited by wazza300; 05-06-2013 at 12:57 AM.
    Gigabyte z77x UP4-TH F11c Modded Bios
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  3. #3
    genegold is offline Member
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    Default Re: Disabling CPU throttling in BIOS - Z68X

    Thanks. Other than using more electricity, what effects will disabling have?

    I don't believe EasyTune is compatible with UEFI. Audio dropouts while playing CDs and (maybe) music files and CDs has been the main issue. Pops occasionally when closing a website, including one time it shut down one Dac I was testing. Much of this seems to be a problem with Win 8, as I read it. Disabling cpu throttling is apparently one way to combat it, tho I'm wondering about the downsides. It only showed up when I switched from cheap speakers off the audio port to Dac and powered speakers taking either audio or audio and power off USB. Not sure about USB ports or what I would do about them, in case that's it.
    Last edited by genegold; 05-06-2013 at 11:15 AM.
    Gigabyte GA-Z68X-UD3H-B3 (Rev. 1.3) UEFI BIOS (U1h)
    Intel i7-2600K 3400MHz
    16 GB G.Skill DDR3 2133 RAM (Ares 2x4gb, Sniper 2x4gb)
    Sapphire HD7750 Ultimate video
    Prolimatech Megahalems Rev. C cooler w/ Nexus Silent Fan
    Kingwin LZP-550 PSU
    Plextor MB3 Pro 128GB (Win 7/8 x64)
    Seagate 3TB 7200 rpm SATA 6Gb/s & Seagate 2TB 7200 rpm SATA 6Gb/s
    Dell U2412M Monitor (1920x1200)
    Plextor PX-891SA CD/DVD Writer/Player
    IBM Model M keyboard / Bornd M120 wireless mouse
    Canon MP640 printer / Brother HL-2270DW printer
    Anker USB 3.0 front panel
    Ciunas Dac (USB) and Focal CMS 40 powered speakers
    Windows 8.1 Pro x64

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