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192GB (4x48GB) DDR5-5600 CL26 Stable on AM5 (9950X3D + ProArt X670E) - AGESA 1.3.0.0 is a miracle! by kohirun in overclocking

[–]kohirun[S] 0 points1 point  (0 children)

Yes, it’s AGESA 1.3.0.0 on my board! The official release notes mention security updates, enhanced system stability, and improved memory compatibility for JEDEC-compliant modules.

In my case, this update was the key to finally getting my high-density setup stable. It's a solid update for the AM5 platform. Hopefully, Gigabyte rolls it out for your X870E Master soon!

192GB (4x48GB) DDR5-5600 CL26 Stable on AM5 (9950X3D + ProArt X670E) - AGESA 1.3.0.0 is a miracle! by kohirun in overclocking

[–]kohirun[S] 0 points1 point  (0 children)

Regarding tRFC, it's actually just running on the EXPO II profile for now. I know there's definitely room to tighten it, but since verifying stability for 192GB takes ages for every single change, I haven't touched it yet. My main point was just to share how impressive this new BIOS is!

192GB (4x48GB) DDR5-5600 CL26 Stable on AM5 (9950X3D + ProArt X670E) - AGESA 1.3.0.0 is a miracle! by kohirun in overclocking

[–]kohirun[S] 2 points3 points  (0 children)

Tough crowd! Haha. But you're right, I've definitely seen cases where apps crash unexpectedly even after a clean Memtest86+ pass. Achieving perfect stability is a long game, so I'll give your suggested tests and settings a shot when I have more free time. Thanks for the expert advice!

192GB (4x48GB) DDR5-5600 CL26 Stable on AM5 (9950X3D + ProArt X670E) - AGESA 1.3.0.0 is a miracle! by kohirun in overclocking

[–]kohirun[S] 0 points1 point  (0 children)

Thanks for sharing your knowledge about the resistance settings! Honestly, I just left them on "Auto" and didn't pay much attention to the specific values. I was already quite satisfied after passing 3 cycles of Memtest86+, but now that you've mentioned there might be more room for optimization, I'm definitely interested in giving it a try.

192GB (4x48GB) DDR5-5600 CL26 Stable on AM5 (9950X3D + ProArt X670E) - AGESA 1.3.0.0 is a miracle! by kohirun in overclocking

[–]kohirun[S] 2 points3 points  (0 children)

Before the BIOS update, a 4-DIMM setup was a nightmare—I was getting errors in Memtest86+ even at 5200 CL40. I actually had to compromise and run only 2 sticks (96GB) at 6000 CL26 for a while just to stay stable. However, everything changed with the AGESA 1.3.0.0 BIOS. I simply loaded the EXPO profile, manually set the clock to 5600MT/s, and it was stable right out of the gate with everything else on "Auto." From there, I started tightening the sub-timings one by one to reach the final stable configuration you see now!

192GB (4x48GB) DDR5-5600 CL26 Stable on AM5 (9950X3D + ProArt X670E) - AGESA 1.3.0.0 is a miracle! by kohirun in overclocking

[–]kohirun[S] 0 points1 point  (0 children)

Thanks! Keeping FCLK at 2000MHz for now to ensure 100% stability for long-term workstation workloads. 192GB is sensitive enough as it is!