Comment AMR is... (Score 3) 7
...supposed to be a way to get better signal quality. Lots of manufacturers cut costs by putting modems and sound chips on the motherboard. The problem is that the motherboard is electronically noisy. This makes for buzzing in your speakers and data errors from your modem. The AMR slot is a way to put these components up away from the mobo without drastically increasing costs. Read more here.
