install "VIA 4.43" first.
got this original soltek driver from web site before it shut down! its the real-deal i am currently useing it on this computer im useing(85-miv3-l) the other drivers required for the motherboard you need. go to WWW.VIAARENA.COM and use the old via 4in1 hyperon/retro driver ver4.43 for chipset/agp,ide,sound,lan and install that first for the agp suport then install this driver (p4m266_2kxp. run setup!)