Announcement

Collapse
No announcement yet.

MSI aero GTX 1070 voltage gone after a while

Collapse
X
 
  • Filter
  • Time
  • Show
Clear All
new posts

    MSI aero GTX 1070 voltage gone after a while

    Hello guys

    As the title says
    All voltages present,
    GPU vcore 0.8
    memory 1.5
    PEX 1.0
    1.8 volt
    5.0 volt

    Regardless GPU not detected and after a while (>20 sec) whole rails shut down. No short found
    Any idea what could be the issue ?

    #2
    Re: MSI aero GTX 1070 voltage gone after a while

    Does 5v dissappear too? Gpu not overheating is it?

    Comment


      #3
      Re: MSI aero GTX 1070 voltage gone after a while

      Yeah. GPU didn't overheat, I kept my finger on it all the time.
      I don't know which rail went out first, but yeah 5 volt definitely dissapeared/ switched off.

      Comment


        #4
        Re: MSI aero GTX 1070 voltage gone after a while

        Surely something wrong with the 5v regulator then?

        Comment


          #5
          Re: MSI aero GTX 1070 voltage gone after a while

          Probably. But I don't know which one is that.

          Comment


            #6
            Re: MSI aero GTX 1070 voltage gone after a while

            The one with 5v on

            Me neither, probably one of those coils on the back of the card.

            Comment


              #7
              Re: MSI aero GTX 1070 voltage gone after a while

              Oh please ......

              There are no coils with 5 volt. So prolly it is linear regulator, the catch is I only have around 20 secs window before it shuts down. Like playing cat and mouse

              I hope there is somebody who knows....

              Comment


                #8
                Re: MSI aero GTX 1070 voltage gone after a while

                Maybe this helps?
                Attached Files

                Comment


                  #9
                  Re: MSI aero GTX 1070 voltage gone after a while

                  I was wrong the chip which generates 5v is mp1475
                  Attached Files

                  Comment


                    #10
                    Re: MSI aero GTX 1070 voltage gone after a while

                    I tested this on egpu box. That 5volt chip shuts down because after a while 3.3 volt supply is killed, which feeds to it's EN signal,
                    3.3v rail is supplied from PCIe pin.

                    Egpu box works normally, confirmed with other GPU, flawless

                    Oscillator beside GPU chip works fine, confirmed using scope
                    Last edited by ss45; 03-08-2022, 11:49 PM.

                    Comment


                      #11
                      Re: MSI aero GTX 1070 voltage gone after a while

                      GPU core is bad

                      Case closed

                      Comment


                        #12
                        Re: MSI aero GTX 1070 voltage gone after a while

                        Originally posted by ss45 View Post
                        GPU core is bad

                        Case closed
                        Can I ask something?
                        How did you find out?

                        Comment

                        Working...
                        X