OLPC CM1: One Laptop Per Child’s Children’s Machine 1
So that’s the official name: CM1. Not very creative, but is simple and to the point. It’s for children. The display is a 7.5″ with 1200 x 900 resolution–a bit of an odd size and resolution, which added to the cost of manufacturing. It is just my guess, but sticking to a standard size and resolution would have made the display a bit cheaper. But the dual-mode capability of the display is probably what made it most expensive: one for video and one for 2D. Source: Engadget
[...] The One Laptop per Child Organization’s ~$100 notebook PC has another name: 2B1, a change from its other official name: Children’s Machine 1, or CM1. The 2B1 can create its own mesh network enabling connection between two computers without needing an Internet connection. Sharing an Internet connection is easy as long as one 2B1 has an connection to the Internet. [...]