> I don't believe any entirely locked down firmware ever made it into any x86 board.
There are some Android x86 devices that won't boot unsigned firmware and won't let you change the signing keys. But I've only seen that in non-BIOS, non-UEFI devices.
There are some Android x86 devices that won't boot unsigned firmware and won't let you change the signing keys. But I've only seen that in non-BIOS, non-UEFI devices.