First and foremost, a warning to everyone not to replicate this. You will inevitably cause irreparable damage to your valuable CPU. The current version of the MSI Center allows for voltage and clock increases for the X3D CPU. Unfortunately, for those who are fully committed to experimenting here, we have sacrificed a CPU for the sake of science. The evidence of the Ryzen 7 5800X3D’s short lifespan, even with a moderate voltage increase, is clear. Rest in peace, and let this be a reminder that there is now one more keychain in this world.
The BIOS of the MSI B550 Unify has blocked or not made available all voltage processes. This fact, on its own, is rather unremarkable. However, the included MSI software with the board ignores the grayed-out areas of the UEFI GUI entirely. In fact, the same features are readily available, as if it were a standard Ryzen 5xxx without the V-cache. Simply click on “Customize” under Setting and User Scenario to access these features.
And now one more click to “User” and Pandora’s box is already slightly open. I ask that you do not then practice the next steps yourself on the living object when it comes to tension. So the electric….
The clock increase is still harmless for the time being. We did not manage more than crashing or freezing the system here. Interestingly, the multiplier is not locked and the base clock can also be increased. That the changes also had an effect could even be proven with benchmarks. Up to this point, everything was still quite nice and manageable…
The part that definitely shouldn’t be done (unless you want to bury the CPU as much as we do) is raising the core voltage. Here there is neither a warning, nor a lock. Once clicked on Plus and taken over… Still went. Once again pressed + and took over – PC off and on the debug LED of the motherboard appeared the evil double zero with the license to kill. This means that a core voltage above 1.3 volts is unfortunately not something that an X3D would like to have on its shoulders, even for a short time.
We have already informed MSI that there is a certain gap here and would like to plug it. Because for all your love of the number one popular sport, if hardware damage is definitely pre-programmed, you have to keep your hands off it. We already knew that the CPU is endangered from Roman Hartung and his Asus gala funeral of a Ryzen 9 7950X3D, but that even the old CPUs can be elevated to the nobility of a barbecue piglet with a freely accessible software was new to us. Until today. Now we all know better. So please do not copy!
Update as of 30th March 2023 – 1:45 PM
As further testing in the community has revealed (thanks to Pascal for finding and digging deeper!), the software of Gigabyte, ASRock, and Asus is also not secure. The same outcome can occur where the CPU is inadvertently sent to the eternal hunting grounds with a little bad luck and ignorance upon clicking.
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