Apple Mini DVI to DVI adapter
The Apple Mini-DVI to DVI adapter is designed for use with the iMac (Intel Core Duo) and the PowerBook G4 with 12-inch TFT display with the Mini-DVI port. Connect the adapter to the Mini-DVI port of the iMac or the 12-inch PowerBook G4 and the DVI end of the adapter to an external DVI monitor or to the optional Apple DVI to ADC Adapter (available separately) to connect to an 17-inch Apple Studio Display, Apple 20-inch Cinema Display or Apple 23-inch Cinema HD display.