Gaming PC

AMD Fixes Botched Ryzen Firmware That Accidentally Disabled CPU Cores

The Ryzen 5 7600X is one of the best CPUs for budget consumers. However, AMD’s AGESA ComboAM5PI firmware with SMU 84.79.204 unintentionally disabled cores in his Ryzen 5 7600X chip with a dual CCD design. Improved AMD firmware with new SMU 84.79.210 seems to have fixed this issue.

Previous firmware disabled Core0, causing performance degradation on dual CCD Ryzen 5 7600X samples. In some cases, the system did not fully post because the firmware tried to boot from one CCD. Presumably other Ryzen 7000 chips were also affected. In any case AMD quickly noticed the problem and partners like ASRock, Asus and Gigabyte removed the offending firmware from their respective X670 and B650 motherboard support pages.

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