The latest AMD BIOS has several problems: best not to update
The latest AMD BIOS has several problems
AMD recently released a BIOS update for its Ryzen and Athlon processors, but it is creating quite a few problems for users who have downloaded. To be indicted is the AGESA 1.2.0.5 version, which according to numerous reports is plagued by serious problems including loss of stability by the processors, overclocking bugs and memory instability.Numerous people on Reddit are reporting a multitude of issues encountered after the update, including higher CPU temperatures and decreased performance, observed after running benchmark tests on Cinebench R20 and Geekbench 5. Specifically there is talk of drops of 100MHz in single core and up to 150MHz in multi core, to which are added missing overclocking functions, drastically limited PBO menu and other WHEA 19 errors. But that's not all, because DeskModder has in fact also identified serious memory bugs, with high-frequency RAM such as DDR4 3600MHz with XMP profile that no longer work stably to some users. According to what was reported by the German magazine, these defects were already present in the AGESA 1.2.0.4 version, with the exception of the CPU problems. It therefore seems that the new update from AMD not only failed to fix the previous bugs, but rather added new ones.
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Waiting for the release of version 1.0.2.6b which should solve all these problems, we recommend the download of versions 1.2.0.4 and 1.2.0.5 only for more experienced users while for all the others, in order not to incur in even serious problems, it is advisable to stop at the latest stable release currently available, 1.0.2.3c
AGESA v2 1.2.0.5 FIrmware for AMD Ryzen Can Cause Performance Problems
If you're have planned a firmware BIOS update towards the latest AGESA v2 1.2.0.5 FIrmware, then you might want to install an older version or just wait a little. Especially tweaked systems in particular are suffering according to reports on Reddit
Numerous end-users have reported issues with the current firmware for the AM4 platform, which is now being distributed as the final version by numerous mainboard makers. The manufacturer has regularly added additional functionalities to its in-house program library for processors and chipsets, AMD Generic Encapsulated Software Architecture (AGESA), for BIOS and UEFI developers of its board partners up to version v2 1.2.0.3c, but these now vanish.
According to multiple forum posts, the author's personal testing with an AMD Ryzen 9 5950X (test) on an MSI MEG X570 Unify, and several Reddit conversations, installing AGESA ComboAM4v2 1.2.0.5 may result in the following issues as reported on computerbase:
After initially attributing a significant amount of the faults to the firmware's beta condition, certain board partners have recently published AGESA ComboAM4v2 1.2.0.5 as the final version for their motherboards. A 'downgrade' from AGESA v2 1.2.0.5 to 1.2.0.3c is also not possible, depending on the manufacturer and mainboard, which is why the latest firmware should only be installed by experienced users and with extreme caution.
MSI has already reverted to BIOS 7C35vAC1 after briefly deploying AGESA v2 1.2.0.5 as the final BIOS. Other manufacturers, such as Biostar and Gigabyte, have already published final BIOS updates based on AGESA v2 1.2.0.5, however they occasionally run into the same problems. Additionally, far lower voltages and clock frequencies have been reported. Asus, on the other hand, is adopting an entirely different strategy. After releasing multiple beta versions with AGESA v2 1.2.0.5, the manufacturer chose to go straight to AGESA ComboAM4v2 1.2.0.6b and not issue final versions of their BIOS with AGESA v2 1.2.0.5 at all. Only Biostar, Gigabyte, and MSI now provide final versions of AGESA v2 1.2.0.5, while ASRock distributes beta versions and Asus continues to actively develop AGESA v2. 1.2.0.6b. Gigabyte is already working on version 1.2.0.6.
