Surprised nobody mentioned Intel vPro AMT so far. It is basically an always-on KVM that's part of CPU firmware, powered by an always-on 5V PSU rail. There is a scary amount of options, including unattended periodic (or alarm based) phone home, user acceptance or full user override, boot media spoofing, Serial over WiFi... All built-in into consumer(-ish) CPUs.
Dude, I wish. I run a large homelab filled with consumer and small business grade intel hardware, and would love to have vpro on all my mid-high end consumer intel platforms. I have the experience and network environment to lock it all down securely, and it's very reliable high performance low level access from before boot.
It's true that some number of relatively expensive consumer-grade CPUs support vPro, but the catch is it also requires the motherboard's chipset to support it, and it has to be both implemented and enabled in the BIOS.
You rarely if ever see consumer hardware with a chipset that supports it. On all the systems I have that fully support vpro from soup to nuts, you have to intentionally turn it on because it's quite dangerous in the wrong circumstances.
I'm not surprised that nobody noticed it at all. That's because it's not a KVM that you can purchase and test, the subject to the article.
Instead, you're just talking about IMPIjr. These specific features are not in consumer grade CPUs, but in CPUs marked for workstations. Ain't no consumer buying fuckin vPro machines. These are enterprise IT management features, not user features. They're also subject to frequent insane rants by people obsessed with them as possible privacy issues.
