If your graphics card is an NVidia card, then it may indeed be the problem. There are known issues with the NVidia drivers. You can try a cheap ATI graphics card instead.
It might also be that your graphics card and the MR816 share the same IRQ.
If your graphics card is an NVidia card, then it may indeed be the problem. There are known issues with the NVidia drivers. You can try a cheap ATI graphics card instead.
It might also be that your graphics card and the MR816 share the same IRQ.