Intel’s latest 2.2GHz Mobile Pentium 4 processor has been a little slow to catch on – partly because of its high price ($562), but also due to the technical challenges associated with very fast processors. Like all souped-up silicon, the 2.2GHz Mobile P4 needs to be approached with care by designers wishing to get the most out of it. The twin issues of power consumption –- with its direct effect on battery life -– and heating need to be addressed properly, or real problems can arise.