Problem with switching PBO to advanced

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  • n0ir
    PCHF Member
    • Oct 2021
    • 3

    #1

    Problem with switching PBO to advanced

    So, i’m trying to undervolt my ryzen 5 5800x. Here is the problem: I enter BIOS, I switch my PBO to advanced, I save the OC profile, I save the settings, I restart the BIOS and.. it’s back on auto. It’s really driving me mad, so any advice appreciated.

    My MB is MSI B550-A PRO, The BIOS version is A.50, 01.15.2021
  • phillpower2
    PCHF Administrator
    • Sep 2016
    • 15205

    #2
    First and foremost, why do you feel the need to reduce the required voltage to the CPU, you have nothing to gain by doing so and in fact will either reduce the performance of the CPU and/or break something.

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    • n0ir
      PCHF Member
      • Oct 2021
      • 3

      #3
      Originally posted by phillpower2
      First and foremost, why do you feel the need to reduce the required voltage to the CPU, you have nothing to gain by doing so and in fact will either reduce the performance of the CPU and/or break something.
      Thanks for the answer. It is a well known fact, that in the case of Ryzen 7 5800x reducing voltage decreases temparatures while actually slightly improving performance. While I don’t care about perfomance boost, reducing the temperature is always sth to look for, especially for 5800x, that runs slightly hot.

      [COLOR=rgb(44, 130, 201)]Edit by phillpower2: external link removed.[/COLOR]

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      • phillpower2
        PCHF Administrator
        • Sep 2016
        • 15205

        #4
        Sorry but AMD invest millions into research and people should take their guidance before anyone else’s, after all it is AMD who you would try and claim any warranty from and not some guy who posts video’s online.

        It is far better, safer (and likely to cost less in the long run) to improve internal cooling than to start messing with CPU voltages.

        Comment

        • n0ir
          PCHF Member
          • Oct 2021
          • 3

          #5
          Originally posted by phillpower2
          Sorry but AMD invest millions into research and people should take their guidance before anyone else’s, after all it is AMD who you would try and claim any warranty from and not some guy who posts video’s online.

          It is far better, safer (and likely to cost less in the long run) to improve internal cooling than to start messing with CPU voltages.
          With all due respect, I did’t really post here to discuss AMD’s policy, I’m having a particular problem with saving BIOS setting, and I would appreciate a feedback on that matter. (My cpu coller is more then efficient - Be Quiet dark rock pro 4)

          Comment

          • phillpower2
            PCHF Administrator
            • Sep 2016
            • 15205

            #6
            Originally posted by n0ir
            With all due respect, I did’t really post here to discuss AMD’s policy, I’m having a particular problem with saving BIOS setting,
            The advice was and still is not to mess with what you don`t understand, you can take or ignore the advice as you see fit, no one at PCHF will be so reckless as to help someone to go against manufacturers specifications.

            This thread is closed.

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