Hi. I have a Carbon 16 in the dash, Live 12, and Carbon 12 at the bow. All linked together. I was out yesterday. I noticed the 16 would freeze up at times, act like map chip wasn't installed, reset itself a few times, performance was just sub par all around. And also noticed, while fishing, the live 12 kept asking if i wanted to use the map chip that is installed on my Carbon. I would hit no, and it would ask again a few minutes later, and also affected the performance of the live 12 while doing so. Then even at a point, it seemed like they weren't linked together. I went to the 16 and tried loading the map from the 12 onto the 16 and it wouldn't show up. I know this all sounds weird and jumbled. I am pretty certain any issue is happening from the Carbon 16. I will add, this boat is new to me, this is the 2nd time I've had it out. It came with the 16. I added the 2 12's. I only use the carbon 12 for AT, but it is still linked together. Ethernet to all units, NMEA to all units and ghost. thanks for any info