In Tom's Hardware Guide's review early last week of a Core Duo-based notebook with Intel's 945 PM chipset and ATI's dedicated X1600 GPU, our test engi

In Tom's Hardware Guide's review early last week of a Core Duo-based notebook with Intel's 945 PM chipset and ATI's dedicated X1600 GPU, our test engineers reported stumbling across a mysterious power consumption issue. The unit tested showed abnormally high power consumption, which at first, they believed could be attributable to the Core Duo processor itself, with the high-performance graphics system being an alternate candidate.