Meg X570 Unify doesn't post with ram anything higher than 3200mhz with a Ryzen 5800x

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eludingone

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yazamir said:
This is a bad decision. If UCLK = 1/2FСLK, then 3800MHz memory will work slower than 3200MHz with UCLK = FCLK.
Considering that the FCLK is blocked no higher than 1600, the memory must be manually set on 3200, and then the timings must be optimized. This will give the best performance effect.
Well, or buy Intel, as some advise :)
Click to expand...
I agree with you, 3200 mhz for now is the best option. Give MSI a couple weeks and they will get it worked out. My G.Skill 14CL 3200Mhz ram works just fine as is. I am just looking forward to being able to utilize the 2000Mhz FCLK AMD is promising.
In regards to they buy intel... Meh, I was an intel fan boy for a long time but AMD has been very good to me, this is not really an AMD issue anyway, it's an MSI one, so if anything it's buy ASUS lol.
 
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eludingone

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eludingone said:
I just contacted MSI customer support regarding this issue and it does look like a BIOS related issue but of course they don't want to do anything about it right now. I got 'keep an eye on the BIOS page and I'm sure they will release soon' as a response.
My solution is also to manually underclock the FCLK to 1600MHZ and it works fine for now. Also make sure the UCLK is not set to 1=1 ratio. Not an ideal solution and you really are not benefitting from the faster RAM speeds if that is the case, but at least I can boot.
Hopefully MSI gets something going quickly.
It also looks like the BETA Bios are up, I'm going to try that now and hopefully get something going. If it helps, I will update.
Click to expand...
BETA Bios E7C35AMS.A75 made no difference from what I can tell. Not sure what changed, but it didn't resolve the FCLK issue.
 
Alan J T

Alan J T

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K23 said:
And here I was thinking I made a good decision ordering the Tomahawk (b550) for my 5800x. *sigh*
Do you guys think this is getting fixed in the next week or two or should I just return the Tomahawk and go with a different brand?
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No guarantee you won't have the same problem with a different brand or even worse problems.
 
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Deca Wolf

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Alan J T said:
No guarantee you won't have the same problem with a different brand or even worse problems.
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This is a pretty true statement. It’s easy to just throw MSI under the bus but other brands are having issues too. Asus and Asrock seem to have fewer it seems but also as a whole it seems x570’s are the major culprits. B550 complaints seem to be fewer.
You could change to be safe but you got a really good board coming and most good boards are expensive right now due to the new CPU hype.
 
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mbaue156e02e1

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Same issue here
XMP profiles not working resulting in computer not starting up
Setting RAM speed manually to 3200MHz seems to work but everything above delivers the same result as setting xmp profiles

- MSI Unify X570 (BIOS 7C35vA7)
- Crucial Ballistix 64GB Kit (2 x 32GB) DDR4-3600 (BL2K32G36C16U4B)
- AMD Ryzen 5800X
- Radeon RX 580
Click to expand...
For me Bios-downgrade to version 7C35vA6 seemed to solve this issue.
I can activate the xmp Profile now and memory runs with 3600MHz.
 
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yazamir

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mbaue156e02e1 said:
For me Bios-downgrade to version 7C35vA6 seemed to solve this issue.
I can activate the xmp Profile now and memory runs with 3600MHz.
Click to expand...
But the 7C35vA6 BIOS is based on the AGESA 1.0.8.1, does it support the 5000 series completely?
Do the benchmark results confirm that higher memory frequencies resulted in better performance?
 
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mbaue156e02e1

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yazamir said:
But the 7C35vA6 BIOS is based on the AGESA 1.0.8.1, does it support the 5000 series completely?
Do the benchmark results confirm that higher memory frequencies resulted in better performance?
Click to expand...
The computer is running, but I had no time to run any performance tests
 
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Eike-schobe151602d9

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hello everyone,
i have the same problem with my X570 MEG Unify and the Ryzen 9 5900x. With the BIOS version 7C35vA7, the XMP profile doesn't work at all with my G Skill F4-3600C16. Only with a downgrade to version 7C35vA6 is XMP activation possible via detours. I hope there will be a new bios update very soon so that everything works properly again. The same system works with the Ryzen 7 3700x without any problems
 
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denvne15a402e7

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Arkku

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Beta BIOS goes up to FCLK 1900 for me, beyond that same 07 error. But given that my RAM is only rated for 3600 MHz, running it at 3800 MHz seems sufficient
 
Alan J T

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mbaue156e02e1 said:
Where did you get this version?
www.msi.com

MEG X570 UNIFY | Motherboard | MSI Global

Best AMD AM4 X570 ATX gaming motherboard, lightning PCIe 4.0, three lightning M.2, Frozr heatsink, WiFi 6, aluminum cove with extended heatsink, USB 3.2 Gen 2, M.2 heatsink, excellent overclocking, pre-install I/O, MSI GAMING
www.msi.com www.msi.com
is still listing 7C35vA7 as latest version.
Click to expand...
Make sure you manually refresh the BIOS page as it not do it automatically so will just show what was there last time you looked.
 
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Enaske

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Anyone is able to run 4000 or FCK 2000? With A81 I can run up to 3800. But 2000 FCK still Errors in 07.
 
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joshuacant

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I have this board and today I upgraded from a 3900 to a 5900 using the A81 bios update file. Everything seems to be working okay at the correct RAM speeds however I cannot adjust the ARGB settings on my G.Skill Trident Neo sticks. The G.Skill software doesn't even detect them, so they're stuck in the default rainbow cycle mode. Is this a known issue that's being worked on?

Thanks!
 
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