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TheGamer32144

ASRock 970 Pro 3motherboard - VRM testing

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Posted · Original PosterOP

Hi, I am new to this forum.  I have a PC being used primarily for gaming, using the ASRock 970 Pro3 mobo.

 

The PC failed in the sense that it trips the PSU when you try to start it - basically comes on for a split second and then the PSU trips.  Replaced that with new unit and same situation.

 

I would like to have a closer look / test of the VRMs on this mobo as I have seen some threads where the fact that the VRMs are not cooled properly has been highlighted as a weak point, but I cannot find a diagram indicating where these are located on the board.  If I unplug the 8 pin 12V connector which supplies aditional power to the ECU, the PSU does not trip, and all the fans run, but it does not boot.  From what I can gather, the VRMs are located near the 8 pin socket.

 

 

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21 minutes ago, TheGamer32144 said:

Hi, I am new to this forum.  I have a PC being used primarily for gaming, using the ASRock 970 Pro3 mobo.

 

The PC failed in the sense that it trips the PSU when you try to start it - basically comes on for a split second and then the PSU trips.  Replaced that with new unit and same situation.

 

I would like to have a closer look / test of the VRMs on this mobo as I have seen some threads where the fact that the VRMs are not cooled properly has been highlighted as a weak point, but I cannot find a diagram indicating where these are located on the board.  If I unplug the 8 pin 12V connector which supplies aditional power to the ECU, the PSU does not trip, and all the fans run, but it does not boot.  From what I can gather, the VRMs are located near the 8 pin socket.

 

 

 

What CPU are you running with the motherboard? 

The VRMs are directly left of the CPU socket.

 

image.png.5830d1a97bf355ceae7ee1814fc9a472.png


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Posted · Original PosterOP

Thank you for the diagram.  I was hoping there would only be three or four VRMs, so this is quite a bit more.  Any suggestions for physically testing these - I am handy in electronics so if I know what to expect I can do some component level measurements.

 

I am running the AMD FX8350.

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