These systems used EFI instead of Open Firmware, which had been used on its previous PowerPC-based systems.
firmware | interface | Graphical user interface | Los Angeles Unified School District | graphical user interface | User interface | Unified Modeling Language | Unified Combatant Command | Application programming interface | User interface design | San Diego Unified School District | Extensible Metadata Platform | user interface | Unified Socialist Party of Catalonia | Oakland Unified School District | Common Gateway Interface | Unified Socialist Party of Mexico | San Juan Unified School District | application programming interface | West Contra Costa Unified School District | Unified Team at the 1992 Summer Olympics | Serial Peripheral Interface Bus | San Francisco Unified School District | Graphics Device Interface | Capistrano Unified School District | Application Programming Interface | Web Server Gateway Interface | Visalia Unified School District | Unified Medical Language System | Long Beach Unified School District |