I tried resetting the CMOS using the jumper (I have an ASUS A7V so there's just the two solder pins) and it didn't work.

What if your BIOS was flashed, and the system will not even POST? Am I going to have to replace the whole mobo?

Last night I got a new LAN card and installed it. Booted up and Windows ran plug-and-play. I installed the drivers for the LAN from the floppy and rebooted when prompted as I've done with every...