Push your PC's performance to the limit. Know the differences between: Pentium II, Pentium MMX, Pentium Pro, and earlier CPU chips and choose the best chip for your needs; understand compatibility and feature sets of processor upgrade sockets, motherboards, and chipsets; use Universal Serial Bus ports and devices to simplify peripheral installation, configuration, and improve performance; squeeze the most performance, life, and reliability out of your hard drives; prevent memory headaches: pick the right speed and type of SIMMs and DIMMs, run more programs at once, and work with bigger files; and integrate hot new hardware including 3D graphics accelerators, fast SDRAM memory, Zoomed Video and CardBus PC Cards for your notebook, and NLX motherboards with support for Single Edge Contact processors and Accelerated Graphics Ports.