Ryzen 7000

AMD Fixes Botched Ryzen Firmware That Accidentally Disabled CPU Cores

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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 on Ryzen 5 7600X chips with dual-CCD designs. The revamped AMD firmware with the new SMU 84.79.210 has seemingly fixed this problem.

The previous firmware caused a performance degradation on dual-CCD Ryzen 5 7600X samples because it deactivated Core0. In some cases, the system outright didn’t post because the firmware tried to boot off a single CCD. Presumably, other Ryzen 7000 chips were also affected. In any event, AMD quickly caught on to the problem, and its partners, including ASRock, Asus and Gigabyte, removed the problematic firmware from their respective X670 and B650 motherboard support pages.

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