@mdione @gabrielesvelto in the same flash that contains UEFI. There's a set of headers that describe what is in the flash. That typically includes microcode for the chip generations supported by the motherboard. For example, a board that supports Zen2 and Zen3 will have two microcodes in the flash and the one that matches the CPU installed will be used
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Rick Altherr
@mxshift@social.treehouse.systems