In fact the 900 series is the first to have a chip detector that sends messages back to base. It is detailed, along with the other sensors on the engine here..
Er. Rubbish! So does the GE90 and has done since the beginning! It has also saved a few inflight shutdowns too, enabling a timely removal.
Mind you the last one I had had so much debris on it the chip counter couldn't add it all up!