Humm, interesting!
Source: http://www.engadget.com/2007/01/05/the-second-xbox-360-revealed-codename-zephyr/
… Ever wonder why Microsoft hasn’t released an HDMI cable for the Xbox 360 or whether the AV port was really capable of digital out? Well, here’s your answer: we landed pictures of what appears to be the second Xbox 360 — the Xbox 360 v2
flaphead.com 