Ok here is the config
PC1 has two onboard NICs (WinXP x64, AMD64 3000+, A8N SLI, 1GB DDR400, 300 GB RAID0
PC1a - Marvell Yukon 88E8001/8003/8010 gigabit ethernet controller
PC1b - NVIDIA nForce network controller
PC2 has one PCI NIC (Win XP, PIII-1GHZ, VIA Chipset, 256MB SDRAM, 80GB...