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**AMD 5700 X3D Owners CLub**

A post in regard to UEFI/AGESA change logs, link.

DragonQ said:
I have Crucial Ballistix Sport LT too, it was the earlier AGESAs for Zen 2 that were all over the place with RAM timings. I think by the time Zen 3 chips were around things had improved in that area.
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No worries :) . My reason to post my experience was not to say yours was invalid :) . In no way directed at you, as I didn't quote you, it was more of a experience share as yours was too for readers of thread :) . We all test differently, tune differently, have different combos of kit, so likely our experience may differ :) . I concur launch UEFIs can be buggy and changes can occur, my prior post was a generalisation excluding launch period and perhaps should have accounted for that :) .

I did have ZEN 2 at launch I was using some Samsung B die kit (G.Skill BIN 3200MHz C14), later got the Crucial kit, as wanted to experience how Micron E was and how dual rank kit was vs 2x8GB SR/4x8GB SR. I did UEFI modding, adding a particular SMU FW when AMD where making CPU boost clocks changes on ZEN 2, link.
 
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The norm for AM4 is running IF and RAM at 3600. I'm pretty sure the x3D cache makes up for crappy mem timings so aim for whatever XMP profile you have at 3600. If you want to tweak more you want things like CL down at 14 and subtimings tRCDWR, tRCDRD, & tRP at 14 if you can push it or 16 is fine.

Generally these chips struggle when IF is set to 3800 (mine just fails to boot). There are some weird cases where 3900 and even 4000 work but then you need the RAM to run that as well as you want to keep IF:RAM at a 1:1 ratio for optimal performance.
I've tweaked mine to run the BCLK slightly higher and with one of the memory straps set to 3666 I get my IF:RAM at 3777


Overall though I'd say, don't worry about it too much...you won't really gain a massive amount of FPS off it for the time spent.
 
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Joe Jones said:
The norm for AM4 is running IF and RAM at 3600. I'm pretty sure the x3D cache makes up for crappy mem timings so aim for whatever XMP profile you have at 3600. If you want to tweak more you want things like CL down at 14 and subtimings tRCDWR, tRCDRD, & tRP at 14 if you can push it or 16 is fine.

Generally these chips struggle when IF is set to 3800 (mine just fails to boot). There are some weird cases where 3900 and even 4000 work but then you need the RAM to run that as well as you want to keep IF:RAM at a 1:1 ratio for optimal performance.
I've tweaked mine to run the BCLK slightly higher and with one of the memory straps set to 3666 I get my IF:RAM at 3777


Overall though I'd say, don't worry about it too much...you won't really gain a massive amount of FPS off it for the time spent.
Click to expand...

Yeah fair enough - only issue is my ram is rated to c18-22-22-22-42-64 - and it does run at that but only at 2T - not 1T as its meant to - tried increasing ram voltage v slightly but no difference, at 1T it wont even run at 18-26-26-26-58-68

Shame really - 1T would be nice - any setting I'm missing? Everything is auto except ram is 1.36v
 
Would need to know what RAM kit it is. As long as you have some airflow in the case it should easily take 1.4v

Looks like a low level kit though so maybe not much room for improvement. 1T should work.

Get ZenTimings 1.2.5 and post a screenshot of it....might show something that isn't set as it should be.
 
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