Software Bug Lets You Overclock AMD’s 5800X3D to Die in Seconds
Igor has a Lab discovered A serious glitch within the MSI Middle Home windows implementation that allowed AMD’s greatest CPU for gaming, the Ryzen 7 5800X3D, to overclock and overclock past its limits. At first look, this looks as if a win for fanatics and overclockers. Nonetheless, the app utterly bypasses all synthetic voltage and clock pace limitations, making this an actual hazard for unwary 5800X3D homeowners. Worse nonetheless, this challenge was additionally found in Asus, Gigabyte, and ASRock software program, marking it as a platform-wide challenge.
Igor from Igor’s Lab was in a position to reveal the hazard of this error together with his 5800X3D. After upgrading the chip to 1.3v and above with MSI Middle, the 5800X3D reportedly died nearly immediately. We do not understand how the chip died particularly, however apparently Igor bought the core voltage above 1.3v after two guide tweaks. The PC shut down instantly after the second voltage setting and by no means got here again on.
For the uninitiated, the AMD Ryzen 7 5800X3D is AMD’s first CPU to characteristic game-accelerating 3D-VCache expertise. The expertise provides a 64MB L3 cache slab simply above the Zen 3 die, growing the chip’s L3 capability to 96MB. Nonetheless, this extra L3 cache severely impacts the warmth dissipation of the CPU, forcing the chip to function at decrease frequencies.
The issue is critical sufficient that AMD had beforehand utterly blocked overclocking the chip and lowered the utmost core voltage from 1.5v to 1.35v. AMD says the voltage restrictions are resulting from voltage limitations of the added cache, however our testing reveals that the restrictions nearly actually have one thing to do with the chip’s warmth dissipation points.
To substantiate Igor’s discovery, I went to MSI Middle with my private {hardware} together with MSI B450 Professional Carbon AC and Ryzen 7 5800X3D and located the identical unlocked capabilities within the “Consumer State of affairs” subsection. I discovered that the guide core voltage might be elevated as much as 1.55v and the core multiplier is totally turned on. I could not discover what the multiplier restrict was, however I used to be in a position to enter a multiplier variety of 80 (for 8GHz).
After all, I did not apply any of those settings as I needed to maintain utilizing my CPU. Nonetheless, based mostly on the truth that I used to be in a position to enter these settings with none limitations or grey tabs, it confirms that it is a main drawback.
We do not have a deadline for a doable repair, however we’re assured AMD will repair this as quickly as doable — particularly since YouTuber Der8aur killed a 7950X3D lower than two weeks in the past whereas messing with comparable settings.
It’s unclear whether or not the repair will include a brand new AGESA microcode replace, chipset replace or software program facet change. However for now, in the event you personal a Ryzen 7 5800X3D, watch out when messing together with your motherboard’s overclock software program and do not mess with any overclock settings.
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