Given the description, I'm 99.99% sure it's the same mechanism. This is a "datacenter" feature that is probably not very helpful on people's laptop/desktop computers, probably why it's not in NM.
Given the description, I'm 99.99% sure it's the same mechanism. This is a "datacenter" feature that is probably not very helpful on people's laptop/desktop computers, probably why it's not in NM.