It looked something like an upside-down desk lamp, and that -- along with Pixar's iconic "Luxo Jr." short -- earned the iMac G4 the adorable nickname of iLamp, a nickname that's stuck to this day.

the entire board is smaller than the stock iMac G4’s hard drive. It still took plenty of cramming, with a multitude of adapters finagled and massaged to fit inside the original housing.