I've been having this problem off and on since I installed W7 that my CPU is spiking during low network use (e.g. 2-3mbit/sec).
My setup is W7 (32), Core 2 Quad Q6600 @ 2.4 ghz, Asus P5E-VMDO, 8gb memory.
Network Adapter is an embedded Intel 82566DM-2 Gigabit. No other network adapters are...