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P775DM3-G OCP limit modification


incendery

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I'm looking into modifying the OCP setting on my P775DM3 to stop it shutting down when I stress the cpu too hard 😁

(8700k pulls a little too much power under heavy stress tests)

from what I can tell between the P775tm1 schematic and the dm3 they are practically identical when it comes to the VRM and power delivery components so I'm not worried about overloading the power components, the practical differences between the two boards in the schematics seem to be a few configuration resistors for OCP and ICMAX configuration.

 

[P775DM3 schematic page 108, vcore]
image.png.d883f4c45fff6f7cac8f417bde77d7ef.png

PR27 is setting OCP here and is different to the tm1 where it's 38.3k

image.png.516d1c8066c3a74b2354ec217c29b6c1.png

 

I am quite comfortable with SMD rework and have a reasonable amount of experience in this area, does this seem like a sane idea to others or is there maybe something big I have missed in this plan?

 

My Clevo P775dm3
8700k @4.7
3080mxm (180w)
32gb cl18

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