An Always On USB port is a handy feature, but it's not always easy to spot. We explain what it does and how to identify your USB ports with confidence.

I'm writting a server program, don't know how far I'll get but I'm giving it a try. What I need to do is open a new port for each user (connection). How, programaticly, do I check if a certain port is ...

I've seldom seen ports actually go bad...usually they just disable themselves when they detect abnormalities, like late-abort-collisions and such. This is the default behavior, but can be modified on ...