Right click mypc, then properties, device manager and then right click your network adapter. I don't have a pc in front of me now but i think that's the correct route. Any power saving options should be disabled.
[/HR]
Rampage IV Extreme BIOS 4206
Intel I7-3820
32 GB Quad Channel Kingston Hyper X Genesis
2 x Nvidia GTX 690
2 x WD Velociraptor 250 GB RAID0
Intel 120GB 320 SSD
Noctua NH-D14 SE2011
CM Silent Pro Hybrid - 1300W
CM HAFx