Manufacturer: Apple Computer, Inc. Released: 1986 OS: Apple ProDOS, Apple GS/OS, GNO/ME CPU: 16-bit Western Design Center 65C816 @ 2.8 MHz RAM: 256 KB or 1 MB (expandable to 8 MB) ROM: 128 KB expandable to 1 MB Resolution: 320×200 or 640×200 pixels, 4096 color palette Sound: Ensoniq ES5503 DOC, 32 channels, stereo