From: http://www.itworld.com/article/2965875/security/design-flaw-in-intel-processors-opens-door-to-rootkits-researcher-says.html
Pretty interesting read at the link above. Even re-installing the OS on a machine with an infected chip wouldn't resolve the issue.Quote said:A design flaw in the x86 processor architecture dating back almost two decades could allow attackers to install a rootkit in the low-level firmware of computers, a security researcher said Thursday. Such malware could be undetectable by security products