x370 gaming plus w/ryzen 5900x

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May 22, 2022
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I wanted to share my results in case anyone was curious about this. I didn't really see anything from googling and just sort of took a chance assuming it would work seeing as how it is now listed as a supported cpu. I updated to bios 7A33v5L2(Beta version) then did a fresh install of windows 11. Bought a 5900x yesterday and it seems to be working without issue as far as I can tell. I havn't tried any extensive torture testing. I did score 20553 in cinebench r23 which from googling appears to be slightly below average for stock. During benchmark I think CPU peaked around 70c and system at 73c all air cooling. I played ff7 remake for a few hours with no issues cpu was around 63c. I did not mess with ram speed it is at the safe default 2133mhz. The supported memory is not listed on the motherboard page so I just have to assume it will be capped around 2666mhz like it was for ryzen 3xxx.

I enabled resizable-bar in bios, gpu-z says it is on, but I don't know if it is really supported or not? Also updating to this bios version fixed a weird issue I had where gpu-z would say I was running pci-e 4.0 x8 it now reports 3.0x16. thank you msi and amd for continuing to support this board.
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ryzott

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can you confirm please, if your Ryzen 5900x is auto boosting with a step of 25/50Mhz ? or it is locked by old MB that will boost with the step of 100Mhz like old Ryzen 1xxx ?
 
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May 22, 2022
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The cpu frequency does not seem to change by any specific increment. Right now ryzen master shows core 1 running at 336Mhz which is not a multiple of 25,50, or 100. It looks like each core's speed can vary or they can even be sleeping. I attached screenshots hopefully it answers the question. If what you're asking about is related to overclocking I haven't really messed with it(everything is at default settings) but when I went into ryzen master the manual mode did allow me to change the frequency in steps of 25Mhz.
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Alan J T

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The cpu frequency does not seem to change by any specific increment. Right now ryzen master shows core 1 running at 336Mhz which is not a multiple of 25,50, or 100. It looks like each core's speed can vary or they can even be sleeping. I attached screenshots hopefully it answers the question. If what you're asking about is related to overclocking I haven't really messed with it(everything is at default settings) but when I went into ryzen master the manual mode did allow me to change the frequency in steps of 25Mhz.
View attachment 160248View attachment 160249
Set up Curve Optimiser

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May 22, 2022
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I had to read a bit about how it works. I tried the ryzen master automatic curve optimizer it set all cores to -29 but the system was unstable. The computer would reset after 3-5 minutes, unable to complete cinebench. I manually turned everything on in bios and instead set all cores to -10 which I read online was very conservative/safe. A lot of these settings are foreign to me I am probably doing something wrong. I'll have to mess with it more when I have time. Thanks for the suggestion though.
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May 23, 2022
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What cooling solution are you using ? You mentioned air cooling, what heatsink? Im using frozr L from msi heatsink cooler, and I have exactly the same mobo and I consider buying 5900x aswell.
Can you give us few more detailed temps after few benchmarks, with your cooling solution?
 
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The cooler is an old AM2 cooler. it is called the core contact freezer. I read somewhere it is supposed to be equivalent to a cooler master hyper 212. I don't know how that would compare to a frozr but you can probably find some info searching online. I attached some pictures, the original fan is long gone it has a noctua fan on it now. The heatsink is massive.

In the original post I put the cinebench and gaming temps. Since then I did run Prime95 for around an hour and the temps peaked at 90c which I read is actually ok and normal behavior for this CPU at full load. Just now I did the BMW blender render for about 30 min I attached a screenshot, temp peaked at 75C. I ran the OCCT torture test for 15 min temp peaked at 72C. If theres something else you want me to try running let me know. Also big disclaimer I am not overclocking, using PBO, or even fast ram speeds. Everything is 100% stock settings.
IMG_20220615_195159.jpgIMG_20220615_195107.jpgblender.jpgocct.jpg
 

Alan J T

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I had to read a bit about how it works. I tried the ryzen master automatic curve optimizer it set all cores to -29 but the system was unstable. The computer would reset after 3-5 minutes, unable to complete cinebench. I manually turned everything on in bios and instead set all cores to -10 which I read online was very conservative/safe. A lot of these settings are foreign to me I am probably doing something wrong. I'll have to mess with it more when I have time. Thanks for the suggestion though.View attachment 160311
It took me over a week to get stable settings for my System. I have all but Core 3 set to -30 Core 3 is set to -25

For yours try -30 for all but core one and core three set them to -20 and once a day reduce by one till you get unstable again then go back up one on Core one and work on Core three reducing it till unstable takes over a week but once done give way better results.
 
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The cooler is an old AM2 cooler. it is called the core contact freezer. I read somewhere it is supposed to be equivalent to a cooler master hyper 212. I don't know how that would compare to a frozr but you can probably find some info searching online. I attached some pictures, the original fan is long gone it has a noctua fan on it now. The heatsink is massive.

In the original post I put the cinebench and gaming temps. Since then I did run Prime95 for around an hour and the temps peaked at 90c which I read is actually ok and normal behavior for this CPU at full load. Just now I did the BMW blender render for about 30 min I attached a screenshot, temp peaked at 75C. I ran the OCCT torture test for 15 min temp peaked at 72C. If theres something else you want me to try running let me know. Also big disclaimer I am not overclocking, using PBO, or even fast ram speeds. Everything is 100% stock settings.
View attachment 160698View attachment 160699View attachment 160700View attachment 160701
Thanks you are the best ^^
 
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May 22, 2022
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Here is an update. I finally had some time to set up my back up and start messing with ram speed and this curve optimizer. The results were pretty bad though. The ram kit I have is:
Patriot Viper Steel 32GB (2 x 16GB) 288-Pin PC RAM DDR4 3600 (PC4 28800) Desktop Memory Model PVS432G360C8K
Something nice about the bios update, when overclocking memory if system won't post it will retry twice and then take you back to bios. I did not need to use the clear CMOS jumper. I used the memory try-it settings and changed the timings and voltage manually a bit.
Here are my results:

3200Mhz 16-16-16-38 1.35v no boot no post. computer restarted twice and then took me back to bios

2800Mhz 16-16-16-38 1.35v system tried to boot but gave me a BSOD during start up

2666Mhz 14-16-16-36 1.35v system booted, was able to log in, but was clearly unstable. Getting random erros. Unable to open start menu or system info. When I tried to shut down I got a BSOD. These settings were successful when I was running a ryzen 3600 but unsuccessful now.

2400Mhz 14-14-14-32 1.35v and 1.3v system booted, everything seemed stable, ran cinebench and got worse results(20200ish). OCCT returned no errors after running for 10 min. I was ready to accept these as stable settings. Windows alerted me to scan drive for errors(thought it may have been from the usntable settings from earlier). I was going to run P95 overnight for the final stability test but after 45 min it produced an error and when i tried turning off P95 the system became almost inoperable. I restarted and the keyboard would not work so I couldn't log in.

I reset the ram speed to the safe default again 2133Mhz 15-15-15-36 ran same tests and no errors. I was wrong in assuming 2666mhz would work, at least for my system. I can't increase the memory speed at all.

I did run the ryzen master curve optimizer again because I thought I might have made a mistake during the first try(I didn't click apply). It did give me different results which I manually entered into the bios. I actually did this when I had the ram set to 2400Mhz which gave me a cinebench result of 21440 which is a decent improvement. Since I changed back to 2133Mhz the end result was nothing spectacular only 20618. I attached some screenshots of the curve optimizer settings.
IMG_20220624_225307.jpgrm.jpgd.jpg
 

Alan J T

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Try ram at 3200 with it s default 3600 timings as your board wont support over 3200


  • DDR4 3200 Fabric 1600
  • Timing 18-20-20-40
 
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May 22, 2022
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Try ram at 3200 with it s default 3600 timings as your board wont support over 3200


  • DDR4 3200 Fabric 1600
  • Timing 18-20-20-40
When I first bought the kit I tried many different combinations of speeds and timings including the one you mentioned. The fastest stable speed I could get was 2666 with a ryzen 3xxx cpu. I tried 3200 again just now with those timings and it wouldnt boot or post. I also tried 3200 18-22-22-42 but that also didnt work.
 

Alan J T

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It hard to nail down the problem but may be the RAM or your Board, but money on the RAM, will it set XPM if you only use a single stick of ram or if you use ram slots one and three instead of two and four.
 
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It hard to nail down the problem but may be the RAM or your Board, but money on the RAM, will it set XPM if you only use a single stick of ram or if you use ram slots one and three instead of two and four.
I think it is a limitation of the motherboard with the newer gen cpus. On the compatibility page for the board msi only guarantees speeds up to 2666 when using ryzen 3xxx cpus. It doesn't show anything for ryzen 5xxx yet. Thank you though for the replies and suggestions. I haven't tried the other ram slots or single stick configurations. If I'm feeling up to it I'll try in the future but Im pretty content with what I got now.
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May 23, 2022
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hm i think i had same issue with ram stability on my g.skill part number: f4-3200c16d-16gvkb . Try 2666 and instead give 1.36/7V, I manged to get mine to work at 1.37 2666 CL 14, with 2400g, on this board. Just find the speed at "try it" settings, and then set the V manually. I hope it may work! Cheers.
 
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May 22, 2022
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Thanks for the suggestion and for posting your results. When I set the voltage to 1.35v I think the motherboard gives it slightly more than that. The read out in the bios and software says 1.36/7ish. I could try going a little higher next time.

I did try again since my last attempt. I did some research and saw changing the SOC voltage as well as the VDDP/VDDG voltage is supposed to help with ram stability. The default I am getting for SOC is .975v and the VDDP/VDDG is .9v when I use Auto in bios. I upped SOC to 1.1v and VDDP/VDDG to .95v. I set the XMP profile and changed ram speed manually.
I was able to boot in 2933 18-20-20-42 1.35v but not stable OCCT instantly found errors.
2666 no errors in OCCT but could not run prime95 more than 20 min without an error.
I tried 2400 but still got an error in p95 after about an hour.
I thought for sure it would be stable this time. This was done with PBO and CO off. Unsure if it was the timings or voltage that allowed me to boot at those higher speeds, before when i tried the computer would not boot at 2933 and 2666 gave me a BSOD. I might try again in the future I am just afraid to mess with these voltages I don't want to permanently damage anything.

Also an update the curve optimizer settings I posted earlier turned out to be unstable after a few days my computer randomly reset. I tried changing each core in steps of 1 but after a few attempts could not get a stable setting. eventually I just stopped caring and set it back to default.
 
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