this post was submitted on 08 Apr 2025
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r/overclocking - for those who like to push their chips a little harder

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All things overclocking go here. Learn to overclock, ask experienced users your questions, boast your rock-stable, sky-high OC and help others!.

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The original post: /r/overclocking by /u/kieenzi on 2025-04-07 22:58:01.

Hey everyone,

as the title says, I'm having a hard time trying to turn off GDM while running 1T on my B-dies.

Pretty sure I found my optimal CAD Bus values โ€” 54, 52, and (I think?) 38 โ€” but honestly, not 100% confident about the last one. From what I've read (link below), CKE mainly helps with posting, and I can already post fine without tweaking it. Just setting 52 is enough for me to boot.

That being said, I'm still kinda confused. I followed a tutorial, but I struggled to fully understand what I was doing. Sorry if I'm being a bit clueless here, lol.

Right now, the real pain is setting the Drive Strengths.

I've tried a few options, and my RAM seems to like lower impedance, like 20 and 24. Anything higher than 30 and I get an instant BSOD or TM5 starts throwing tons of errors.

This is with my current stable OC, btw.

https://preview.redd.it/gm6ierl8shte1.jpg?width=384&format=pjpg&auto=webp&s=4653b3d6827b87200e433fb1c3e1bae53bd72ebb

I'm open to any suggestions, including tips on how to tighten my overclock even further! Thank you all!

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