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This is not true. Almost all firmware is signed by every vendor, and there are standards from Intel and amd on implementation of code signing. Look up Intel pf

This is not true. Almost all firmware is signed by every vendor, and there are standards from Intel and amd on implementation of code signing. Look up Intel pfr.

buildbot 1y ago
Signed ≠ enforced. At least for 4677 Intel stuff, gigabyte & HP and others let you modify the firmware and flash it.
- kj4ips 1y ago
  HPE at least makes you flip a DIP switch, otherwise it complains loudly and halts.