mother asrock h81m-vg4

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  • willoriker
    New Member
    • Apr 2016
    • 6
    • spain
    #1

    mother asrock h81m-vg4

    hi to everybody!!
    i have a h81m-vg4 with 3 long beeps, and again and again
    in theory is a defect of ram bank, but i test several ram with the same result
    i check vram (1.5) and is correct, and w/o ram give same error
    these model on include pci-e solt, i couldnt connect any port diagnostic card
    i made a visula diagnostic and find d1 (near to solt ddr3-b1) blow. i check boardview ( i couldnt find shematics) and it seem to be a zener o similar proteccion diode form 5vstd to ground
    any clue??
    tx in advance
    Tags: None
    • AL._.EX
      Badcaps Veteran
      • Dec 2022
      • 885
      • Belarus
      #2
      Re: mother asrock h81m-vg4

      Specify the detail on the photo of the motherboard.

        Comment

        • willoriker
          New Member
          • Apr 2016
          • 6
          • spain
          #3
          Re: mother asrock h81m-vg4

          here you have
          Attached Files
          Last edited by SMDFlea; 05-17-2023, 04:51 AM. Reason: Added image to badcaps

            Comment

            • AL._.EX
              Badcaps Veteran
              • Dec 2022
              • 885
              • Belarus
              #4
              Re: mother asrock h81m-vg4

              Originally posted by willoriker
              here you have
              It - resistor, possibly... 0 Om (3VSB - 3VSB_A).

                Comment

                • anikin73
                  Senior Member
                  • Mar 2022
                  • 112
                  • singapore
                  #5
                  Re: mother asrock h81m-vg4

                  Ram slot error could be many possibilities. Like pins not good, etc...checking your way might not get anywhere..
                  Easiest is clean up ram slot

                    Comment

                    • soumya199929
                      Senior Member
                      • Apr 2022
                      • 65
                      • India
                      #6
                      Re: mother asrock h81m-vg4

                      You are absolutely right it was in fact a zener diode .Take any zener diode from same 5v/3.3v rail of any mobo it will work just fine. Let us know any future updates about repair.

                        Comment

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