[Korvac]

It sounds more likely that the software maintaining your internet connection is causing the problem than the card itself. If you want to check the IRQ setting on the hardware though, right click on my computer, go to properties, go to hardware, go to the device manager, find your video card and NIC card in the list, go to properties, go to resources, you will find your IRQ setting there. Onboard = is your card built into your motherboard, or on the same card with sound etc., or does it have it's own card and slot?