This document is an introduction to the PX845PEV/GEV series motherboards. The series supports Socket 478 Intel Pentium 4 processors and features Hyper-Threading technology. The motherboards have built-in support for BMIDE and PIO mode IDE devices, support high-quality 6-channel audio chip, and have 6 USB 2.0 ports. Additionally, the PX845PEV PRO/PX845GEV PRO motherboards also have a built-in LAN chip.