Carputer refers to any computing platform that is installed in a vehicle. While
some aftermarket carputers are available to consumers, most carputers are built
by enthusiasts using desktop PC components from smaller
form factors like the
mini-ITX or microATX. Carputers are mainly used for playing music and DVD
movies, connecting to the Internet, and navigation. Carputer may also be called
Car PC.
Also see From
AT to BTX: Motherboard Form Factors in Webopedia's
"Did You Know...?"
section.