Unlike similar products (but much like a familiar PC system), the motherboard does not come with a processor pre-installed. Processors come as simple, low cost add-on boards, which allow any processor (or multiple processors) to be used with the system.
BoardX is transparently compatible with Arduino SDK as well, meaning users can switch boards without having to learn how to use a new development environment.
Add-ons can be attached to the USB, SPI, UART, and I2C buses to provide any feature imaginable. These can be sensors, communication interfaces, or even physical control devices like motors or servos. With this idea in mind, a robust and flexible design can be achieved that allows you to choose which parts of the system to design and which parts can be off the shelf.
The project is seeking its final round of funding to begin large scale production and delivery."
Link to Original Source