Has 512K ROMs and an Apple 1.44MB SuperDrive that uses high-density floppy disks and reads, writes, and formats Macintosh, Windows, MS-DOS, OS/2, and ProDOS disks.
Serial Port with the phone icon supports synchronous modems, with handshaking supported on the output, not the input.
Sound output is mono.
Has an international power supply.
Contains a 16-bit LC Processor Direct Slot (PDS).
Accepts an FPU card for increased performance on math functions.