Given Intel's behavior around the IME, I rather doubt there's an instruction for that. The only verifiable way to do so that I know of, on some chips, is here:

Given Intel's behavior around the IME, I rather doubt there's an instruction for that. The only verifiable way to do so that I know of, on some chips, is here: https://hardenedlinux.github.io/firmware/2016/11/17/neutralize_ME_firmware_on_sandybridge_and_ivybridge.html https://hardenedlinux.github.io/firmware/2016/11/17/neutrali... YMMV, not responsible for bricked chips, and note the caveats at the end.