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  1. #1
    ROG Junior Member Array
    Join Date
    May 2016

    Need help underclocking CPU.

    Hello everyone, I've been looking around but didn't find anything with some images that show how to actually underclock a CPU with the ROG BIOS layout.

    I've recently got a new mobo and a CPU, but my water cooler's I/O pump didn't have an AM4 brace, so I'm waiting for a few days until it arrives. Meanwhile, I'm using a puny Ryzen Gen 1 stock air cooler, and the new CPU seems eager to burn itself to a crisp while idle, flexing it's clock speeds.

    It's current speed is 3800MHz and I need to tune it down somewhat (maybe to 3000MHz? I'm not going to rely on it until the brace arrives anyways).

    Can anyone point a dumb fool where do I set this speed (I can only see the RAM speeds) and what is a good voltage for it?

    I appreciate immensely.
    Last edited by HardToSpell; 03-30-2021 at 03:33 AM.

  2. #2
    ROG Member Array
    Join Date
    Apr 2021

    If you're using Windows 10, you can create a power plan with lower CPU performance, which will reduce you're max clock speed. I did that with a laptop which needed the heatsinks cleaned out until I could be bothered to do so, and it reduced the temp by quite a bit. It's also easy to revert back to the original power plan, without going into the BIOS.

    Have a look at the Power Options control panel.

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