Originally Posted by rowan

There's also a mainboard and various peripherals installed around the CPU.

It's not a typical "OMG I HAVE 1,000,000 MP3s ON ROTATION" carputer... this one will capture realtime video from cameras at the front and rear windscreens, store GPS logs and regularly phone home the car's position (through GSM+GPRS), do extended navigation based on previously learned routes, etc. How many car computers run Apache+PHP+mysql? :D