Excerpt - page 11: "... To check which version of software is installed on your iPod, follow these steps: 1. Scroll down to the About item on the main menu on a first- or second-generationiPod, or on the Settings menu on a third-generationiPod or an iPodmini. ..."
Excerpt - page 22: "... as a search feature that's missing from the original 5G. iPod nano (2G) The second-generation nano has the same longish body as the original nano, ..."
Excerpt - page 38: "... Apple's copy-protection technol- ogy. It was appended later to the second-generation iPod to coincide with the introduction of the iTunes Music ..."