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The CPU can update its microcode before executing BIOS, the BIOS can do its updates, and then the OS can do its stuff. It's all described in https://www.intel.c
by zokier 5y ago
The CPU can update its microcode before executing BIOS, the BIOS can do its updates, and then the OS can do its stuff. It's all described in https://www.intel.com/content/www/us/en/developer/articles/technical/software-security-guidance/best-practices/microcode-update-guidance.html https://www.intel.com/content/www/us/en/developer/articles/t...
- qayxc 5y agoThat just when the update is applied, not how it gets there. The FIT is still updated externally (e.g. by the OS) and doesn't magically fill itself with new microcode.