It should be: 4+3+2=x+2 (Solve for x) I don't see the point in substituting parenthesis for a variable. It just makes it more confusing for everyone.

Does he have the card in full duplex in windows? If he is running half in windows and full in linux, that might do it :)

It's a special combination of hardware and a very streamlined windows ce operating system. It works pretty good too.