INTEL'S LOWEST PENTIUM 4 speed grades have traditionally had excellent overclocking potential, perhaps because of the company's undeniable fabrication prowess. However, Intel has never been a big fan of overclocking, and they've gone to great lengths to limit the practice over the years. Recently, Intel went as far as to implement hardware limitations on overclocking with its 900-series chipsets, whose front-side bus can generally only be increased by 10% without creating problems.



Link: The Tech Report