Perhaps this is a silly question, but have you verified that the chip actually works, using Windows or another kernel for example? It's possible that the chip has failed in a way which still permits it to advertise its presence on the PCI-E bus while it is incapable of actually acting as an interface.
Perhaps this is a silly question, but have you verified that the chip actually works, using Windows or another kernel for example? It's possible that the chip has failed in a way which still permits it to advertise its presence on the PCI-E bus while it is incapable of actually acting as an interface.