Please help...I just installed a A7V with Tbird 1ghz I have a sblive value, aopen modem, asus v6800 ddr, and I have tried 3 nics 3com 905c, SMC 1211 and realtek 8139 and things are just not working out. Meaning my other two computers on the lan canot see the new machine. Sometimes the A7V can...