There are 2 main motherboards for the celeron-m /pentium-m. In fact, gamepc.com has been selling the pentium-m desktop for a while now as a viable solution. Aopen and dfi are the 2 pentium-m mobo makers. Asus has a special socket for their 478 board, that only costs $30 us or so, and will let you rrun the pentium-m or celeron-m in the socket. These chips are pin compatible with the 478 p4, so that socket adapter was nice to se. Finally, for those living the way of the mad modder, or those wanting tiny, there's the commel LV-671 and LV-673 mini-ITX motherboards, that toss everything includint the kitchen sink into that tiny package.