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mother asrock h81m-vg4

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    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

    #2
    Re: mother asrock h81m-vg4

    Specify the detail on the photo of the motherboard.

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      #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

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        #4
        Re: mother asrock h81m-vg4

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

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          #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

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            #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.

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