“Flickr user Rusty saw his busted G4 iMac, his iPad and had a chocolate-and-peanut butter moment. He removed the iMac’s innards and display. Next he cut and molded some acrylic to accommodate the iPad ...
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.