from an earlier [link|/forums/render/content/show?contentid=88554|Post #88554]
Had problems with the built in RealTek LAN. The driver off the RealTek website(V3.23 7/28/99) would lock up the system during the boot sequence. I tracked down a newer driver(v3.23vk 8/9/02) at [link|http://pws.prserv.net/mckinnis/nicpak|Chuck McKinnis' NICPAK page] and cleared up that problem.
I see there's an even newer RealTek driver now.