Intel has finally put an end to the instability issues plaguing its 14th and 13th generation CPUs, thanks to the release of “0x12B” microcode. This update is already being rolled out via BIOS updates from major motherboard manufacturersrepresents the definitive solution against instabilities linked to high operating voltages. Users can now upgrade their systems and have stable performance, fixing an issue that has caused numerous crashes and malfunctions since CPUs launched.
Causes of problems and implemented solutions
The main causes of the instabilities were identified by Intel in several situations leading to a “Vmin shift”, i.e variations in the minimum voltage required by CPUs. In particular, four scenarios were decisive:
- Motherboard power settings: some configurations exceeded Intel’s recommended power guidelines. The solution is to respect the default values for the 13th and 14th CPUs.
- Enhanced Thermal Velocity Boost Algorithm: a bug in this algorithm allowed CPUs to operate at high performance states even at critical temperatures. The solution arrived with the microcode “0x125” in June 2024.
- SVID algorithm: this algorithm required high voltages for extended periods, contributing to Vmin shift. The issue was fixed with microcode “0x129” in August 2024.
- High voltage demands during periods of inactivity or light activity: this phenomenon was especially problematic for high-end processors, such as the Core i9. The microcode “0x12B” is the final solution that definitively closes the problem.
The end of a long journey of corrections
As of December 2022, with the first reports of video memory issues on 13th generation processors, the community experienced continuous crashes and malfunctions. Intel, along with motherboard manufacturers, released several temporary fixes and limited performance to maintain stability, but none of these fixes proved permanent until the introduction of the “0x12B” microcode.
Now, with the release of this final update, users can expect stable performance without compromises. Intel also has extended the warranty by two years on all 14th and 13th generation CPUs, giving consumers the ability to replace damaged or degraded units.
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