yep, davos said u need to lock the PCI to 22mhz. On older systems there was a single option which was called the AGP/PCI lock which u could force to 66/33, not sure what the setting is on PCIe based mobos but this will most likely be the culprit. That aside I tried BF2 accross wireless and went back to cable, while most of the time it wasnt a problem when there is a slight change in connectivity levels it kills gamin