My system is ASUS p4p800-vm board, 2.8 P4, 1GB, Nova PCI and Nova USB and Twinhan DVB-S and DLink USB NIC. Since adding SATA HDD I'm having USB problems. The NIC isn't starting unless I do a bit of fiddling - device manager shows unknown device. If I get it working, it stops at the next reboot. Also, I'm using the nova USB as the remote receiver and this seems more likely to interpret a button press as 2 presses. Anyone had experience sorting this type of problem?