@Fernando - did you try this method, download and use tools attached in this thread, pay attention only to last spoiler/flash method - https://linustechtips.com/main/topic/592...r-motherboards/

https://www.overclock.net/forum/11-amd-m...es-3rd-gen.html

See here, newer really great method. Make the USB with the modded RUFUS tool provided in the thread.

Zitat von snowind im Beitrag #781

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Hello, I have an error when using UBU on MSI 970A-G43 PLUS
mmtool_a4.exe (5.0.0.7) and mmtool_a5.exe (5.2.0.24) added on the folder
Error on microcode update (error in saving on another window) (see attachment)

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@snowind

I don't know how to fix your issue as I'm not the UBU developer.

@snowind

You need to show a screenshot of the MMTool or attach a BIOS file/link.

@jordanpchome

This is OROM VBIOS AMD Renoire Device ID 0x1636.
I did not add it, since this OROM was built for the HP mobile device.

@SoniX:
SoniX, you can see in the picture of the MMTool second windows showing the error while the microcode update finished.
The BIOS in question is here: https://download.msi.com/bos_exe/mb/7974v11.zip
Thanks for all

EDIT by Fernando: Fully quoted post replaced by directly addressing to the author (to save space and to get SoniX notified about your reply)

@snowind

It's funny. Any MMTool kills the BIOS file at 0 bytes. UEFITool, when saved, also does not cope.
I suspect that the PE volume contains errors.

@Lost_N_BIOS

If you have time, can you look and help with the update? Thanks.

Thanks for the help, i don't understand what it is "PE volume errors"

But if you can resolve it, i will thank you a lot, @SoniX and @Lost_N_BIOS

@snowind

Here is your bios with only microcodes updated.

Zitat von Sylar76 im Beitrag #850

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@snowind
Here is your bios with only microcodes updated.

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@snowind

Yes, of course

@Fernando - I made sure to suggest that you ONLY use the tools attached to that guide, did you download and try those, or only the new version of AFU that you mentioned (not suggested, you need to use the one attached to that guide)

@Sylar76 - Thanks, you beat me to it, and I almost didn't notice I was mid-edit and looked back here to see if he needed any added, then saw your posts
Thanks

Zitat von SoniX im Beitrag #833

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1.77.0 out. Check which files may be forgotten.

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@Maghook

Actually, there are no problems updating AMD microcode on Aptio V BIOS. It has already been checked many times.
An exception is only for microcodes located not in the PADDING.