It's a secret value that puts AMD processors into an undocumented debug mode. http://www.techeye.net/security/hackable-debug-mode-found-in-amd-cpus http://www.

It's a secret value that puts AMD processors into an undocumented debug mode. http://www.techeye.net/security/hackable-debug-mode-found-in-amd-cpus http://www.techeye.net/security/hackable-debug-mode-found-in...