Makers of mainboards, systems and other computer hardware equipment are reportedly testing the new Intel Corp."s Pentium 4 processors with enhanced performance and functionality, according to various sources in Taiwan. Intel Pentium 4 processors series 600 are expected to be positioned for high-end and performance-mainstream market segments in Q1 2005. The new microprocessors will be based on the Prescott 2M core that brings 2MB L2 cache, Intel EM64T, Enhanced Intel SpeedStep Technology (EIST) as well as Execute Disable Bit (EDB) capability. The chips will be clocked at 3.20GHz, 3.40GHz, 3.60GHz and 3.80GHz and will be intended for infrastructure supporting 800MHz Quad Pumped Bus and TDP of up to 115W.