Celeron mobile procesori uopće ne podržavaju smanjenje množitelja i tim takta (EIST). IMHO to imaju samo Pentium M...
"So, if you buy Celeron M, you will not be able to manage its performance states or power consumption, as well as to enable the effective overheating protection. "
http://www.digit-life.com/articles2/...atures-pm.html