> x64 has evolved quite dramatically since its inception
Can you expound on this? Besides AES acceleration and virtualization support, I don't know of any features on modern x64 CPUs that would be a limiting factor in an OS that doesn't 'require' TPM support.
I thought some newer distros dropped 32 bit uefi support - i certainly seem to recall an old thinkpad that wouldn't boot latest Ubuntu lts - but maybe I was wrong and it was old enough to be 32bit (don't think so...).
Can you expound on this? Besides AES acceleration and virtualization support, I don't know of any features on modern x64 CPUs that would be a limiting factor in an OS that doesn't 'require' TPM support.