Intel has released a more accurate diagnosis of the instability errors that were found in 13th and 14th Generation CPUs, revealing what could cause the problems and ensuring that a solution is already being developed.
Although they revealed the “Vmin Shift” instability – which raised the voltage levels of Intel Core processors beyond safety limits – now they inform the four specific situations in which the errors occurred and caused so much headache.
According to Intel, these circumstances were due to a clock tree circuit in its artificial intelligence core – prone to failure when under high voltage and temperature, making changes to the clock operating cycle and taking the CPUs out of 13th and 14th Generation to instability. The conditions are as follows:
- Motherboard power settings exceed Intel recommendations, causing Vmin Shift. Intel recommends users to follow the default settings to avoid this problem;
- The eTVB microcode allows certain 13th and 14th Generation Intel Core i9 processors to maintain high performance, even under high temperatures, which was corrected with the 0x125 microcode in the update released in June 2024;
- The SVID microcode in certain circumstances requires higher voltage for an extended period, increasing the risk of instability. Intel resolved this with microcode 0x129, distributed in August 2024;
- Both the microcode and BIOS required high voltage during rest or light activity, which will be fixed by the 0x12B microcode update – which will combine the previous fixes
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Intel states that it carried out internal tests with the 0x12B microcode and no impacts on gaming performance were noticed. According to the manufacturer, benchmarks and tests in games such as Cyberpunk 2077 and Shadow of the Tomb Raider brought results with “normal” variations when compared to the 0x125 update.
According to the manufacturer, they are working together with their commercial partners who produce motherboards to ensure that the 0x12B microcode will soon be distributed via BIOS update. However, there is still no date for this to occur, although they are working on rapid validation and implementation.
Source: Tom’s Hardware
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Source: https://www.adrenaline.com.br/intel/intel-encontra-causas-dos-erros-de-instabilidade-em-cpus-de-13-e-14-geracao/
