MSI MAG B550 Tomahawk BIOS Issue

dperhot815c602eb

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Can i find somewhere a BETA BIOS for this problem?
Only happens in BIOS, in windows everything works normally. Updated BIOS to the latest version.
Tried clearing CMOS, tried CSM, tried another monitor and another cable, HDMI and DP.
GPU ASRock RX6800 Challenger
ASRock RX6800.jpg
 

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citay

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Can you list all your hardware, and can you try with a different GPU? Because if this was a BIOS bug, we would've heard about it by now.
I find it more likely to be related to your GPU instead of the board.
 

dperhot815c602eb

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Thank you for the help and reply.

CPU Arctic Freezer 34 eSports DUO
CPU AMD Ryzen 7 5800X BOX (4.7GHz,36MB,105W,AM4)
MSI B550 Tomahawk, S.AM4
Patriot Viper Steel, 3200Mhz, 16GB (2x8GB), CL16
2x Samsung 870 EVO SSD, 1 TB, 6,35 cm (2,5), SATA3, V-NAND, TLC, 7 mm
ZALMAN Z9 NEO Plus Black, 3x blue LED fan, 2x 120 mm fan, 2x USB 3.0, 2x USB 2.0
Western Digital Black SN850 SSD, 500GB, PCIe 4.0, M.2
Western Digital WD40EFRX WD Red NAS Hard Drive 4 TB 3.5 inch - SATA 6Gb/s - buffer: 64 MB
PSU Rosewill 1000W, 1000M-UK, Capstone 80+ Gold
NOCTUA NF-A14 PWM, 140mm
NOCTUA NF-A14 5V PWM, 140mm
3x 120mm FAN

Here is the same issue with Nvidia GPU:

With RX5600XT BIOS on my B550 Tomahawk works, my RX6800 can go into BIOS on another Asus B450 board.
 

citay

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With RX5600XT BIOS on my B550 Tomahawk works, my RX6800 can go into BIOS on another Asus B450 board.
Aha. So it might be some kind of incompatibility. You should open a ticket with MSI so they can try to reproduce and fix it. The only other thing you could try is using the RX5600XT to test different BIOS settings (like limiting PCIe gen to something lower and such) to see if anything works as a workaround for the RX6800. But that would only be that, a workaround. I believe the real fix has to come in form of a BIOS update. At least with the RX5600XT you can set up the BIOS, and then you rarely have to enter it again.
 

dperhot815c602eb

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Yes, i have done that, set up everything with RX5600XT and now using the PC normally.
But if i will need to go to BIOS again i will need to change the GPU again, if i sell the RX5600XT in the meantime i cannot enter BIOS..
I have already opened a ticket with MSI support, they said that that is the problem of AMD, and that i should contact them, which is not a solution to my problem.
ASRock said that i should RMA the card which is also not a solution to my problem.
AMD Forum also didn't help me, i didn't find the option for opening a ticket or something, i have opened a discussion, no solution either:
I really don't know who i should write next..
 

citay

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I know those odd board/GPU problems, i once built a PC for someone using an MSI motherboard and i think it was a Gigabyte 1660 Ti, and he had random reboots with it. We tried everything, plus the card worked absolutely fine in another system (also with an MSI board, but a different one). In the end we bought a different GPU (a Gainward 1660 Super, which by then had basially replaced the 1660 Ti), and whaddaya know, suddenly it ran like a charm.

Sometimes this is sadly the only solution for such an odd problem. There might be something in the way the GPU's firmware operates that the board doesn't like, or there might be some bug that's only triggered with such a card (or one that behaves like it), and with any different RX 6800, you would have zero problems. I know this is perhaps not a satisfactory solution, but it's pragmatic, and sometimes you have to do that if none of the involved parties is willing to solve it...
 

dperhot815c602eb

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Solution to my BIOS issue. Reached out again to ASRock support, they sent me new vBIOS for my GPU, version is 113-EXT800248-L06. And after flashing and restarting the PC i can normally enter BIOS.

Thank you all for the help.
 

Zmaj od sipova

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Maybe i'm late, but Patriot Viper Steel could very likely cause some of the incompatibility issues happening there. I have the same motherboard, the same kit (PVS416G320C6K to be exact) and i get BSOD, crashes, etc. in Windows 10 when running with XMP enabled (3200mhz CL16), highest stable setting is 2866mhz CL16.
Check your ram compatibility here, my (and probably yours as well) kit isn't officially supported, so i guess that's why.
 

drgnbrst200158f02d9

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I also have an MSI MAG B550 Tomahawk and an AMD Ryzen 7 5800X. I recently have had issues with booting up and getting a video signal. Initially, I got it to work by getting a flash drive and booting it with an HDMI cable(odd fix but whatever) and then was able to update the BIOS. It solved the problem for like a week and now it won't boot properly again(could be due to the new windows update that couldve changed some settings). I tried flashing it again but no success this time. I just contacted ASrock support in hopes that whatever vBIOS they have given you will work for me too. Very unfortunate that this specific combination of products can have problems like this. Will update if anything changes hopefully.
 

artur.aragao@outlook.com.br

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Yes, i have done that, set up everything with RX5600XT and now using the PC normally.
But if i will need to go to BIOS again i will need to change the GPU again, if i sell the RX5600XT in the meantime i cannot enter BIOS..
I have already opened a ticket with MSI support, they said that that is the problem of AMD, and that i should contact them, which is not a solution to my problem.
ASRock said that i should RMA the card which is also not a solution to my problem.
AMD Forum also didn't help me, i didn't find the option for opening a ticket or something, i have opened a discussion, no solution either:
I really don't know who i should write next..
Friend,
I saw your report and I need to mention two experiences that I consider important to review, as it may be indicating problems beyond what you are imagining.
I had an experience that is not the same as yours, but it caused me a LOT of headaches with a 5700XT in the past.
I know that in your case there is a problem with not even going through the BIOS. And in my case, it caused stuttering by generating logs on Windows with the WHEA error with IDs: 01 and 18. It rebooted warmly. I went to research deeply on the subject in the ADM forums and identified after some time that the problem was occurring because of the VGA that I had bought. After having tried several treatments, including with AMD itself, we came to the conclusion that RMA was inevitable. After much dialogue with MSI support, I forwarded the VGA to RMA. Upon receipt, there were no more pieces of it to forward. I bought the VGA for the 5000 series end of life, but it was the VGA I wanted.
Many other people were having problems very similar to mine and yours at the time on the AMD forum. If you look there you will find these reports.
I was reimbursed by the MSI representative in Brazil and very upset about that, I bought an RTX3070 (it's not this one anymore, because I sold it in that Cryptos madness and got 3x its value). Look! nVidia is another world my dear! Lots of stability and just a few silly bugs every now and then with the drivers. nVidia is life!
Well, the problem with the VGA is gone, but I had another "hidden" problem that collaborated with the problem of the VGA. This I only discovered after the various BIOS updates that contributed to the problem occurring. I noticed that it was after resolving with USB on mainboards with B550 chipset. From then on, the stability with my old 5900X CPU went downhill, again generating the error in the logs about the source WHEA, ID: 18. I tried to update with the following bioses, but nothing solved. A Beta BIOS came along that partially stabilized the situation, reducing the problem, but nothing really solved it.
Until one day, not satisfied with the situation, I looked deeper and had found a video of a Brazilian reporting about stability problems with the Ryzen 5000 Series Step B0. It was my processor. AMD surreptitiously released fixes for the problems with this CPU and wonderful overclocking addendums. Clocks on Step B2 are higher and the processor has a good balance in terms of consumption and processing power. I identified these fonts, plus the WCCFTECH fonts, and RMAd my CPU. They reimbursed me again, I bought a more modest CPU, this being now the Step B2. I never went through this headache again.
Today, I have a problem, but I'm sure it came through this new AGESA that was released. I'm suspicious of a feature in the BIOS that I previously kept active, but in this new BIOS update I had to keep it disabled for analysis. I'll have to wait a few more days to be sure.

What I wanted to convey in my report was that it is sometimes necessary to validate more items. Problems in CPUs, memories that are not in the compatibility matrix of the mainboard manufacturer, old power supplies that were not designed for these new CPUs, etc. It sucks as hell, but it still takes hardware brushing to find the root cause.

Hope this helps! And if I can give my opinion, validate your CPU, update BIOS and retest. Still having the same problem? RMA on VGA without a doubt. And if you get the refund, if you don't consider it abuse on my part, go with nVidia.
 
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