High dpc latency windows 8.1

[cluberti]

I've edited my post above after digging deeper - I'd wager IRQ sharing is the root cause under load.  Since you aren't likely to be able to move your chipset controller as it's soldered to the board, you might want to try moving your video card to different PCI-E slots to see if it can be moved to a different IRQ.  If not, you might want to try a different card altogether if possible to make sure it's not caused by a failure of the video card itself (I've seen this behavior happen before for that reason, for what it's worth).

[toxify]

https://www.dropbox.com/s/lx3pgnlkwpeenbm/trace.rar?dl=0  that's the new trace file i just took

[cluberti]

Same thing in the new trace - see my last post for options.

[toxify]

Ok here is a screenshot of my current irq's