Apple IIGS

A2S6000 · 1986–1992 · desktop

Specifications

Cpu: WDC 65C816 2.8 MHz (16-bit, with 1 MHz Apple II compatibility mode)
Ram: max: 8 MB via the dedicated memory expansion slot · base: 256 KB (ROM 0/1); 1 MB (ROM 3)
Ports: Analog RGB video (DB-15) · Composite video out · ADB (keyboard/mouse) · Serial ×2 (mini-DIN-8) · SmartPort floppy (DB-19) · Game I/O (DE-9) · Headphone jack · 7 expansion slots plus memory expansion slot
Display: RGB out: Super Hi-Res 320×200 with 16 colors or 640×200, from a 4,096-color palette; legacy Apple II modes
Storage: base: None built in; Apple 3.5" (800 KB) and 5.25" drives via SmartPort, SCSI hard disks via card · options:
Os Support: latest: GS/OS System 6.0.1 · shipped: ProDOS 16
Release Price: $999

Variants

Revisions

ROM 01986 launch version

ROM 011987, minor bug fixes

ROM 31989, faster clock, more RAM standard

Woz Limited Edition1987, Steve Wozniak signature plaque, limited run

Storage

256KB1986, standard RAM on ROM 0/01

1MB1989, standard RAM on ROM 3

Upgrade paths

RAM

8 MB via memory expansion slot · Dedicated slot takes plug-in RAM cards; 4 MB was the common practical ceiling in period, modern cards reach the full 8 MB.

EASY

CPU

TransWarp GS and ZipGS accelerators up to roughly 8-10 MHz · Well-documented plug-in accelerator cards, still sought after by collectors.

EASY

other

7 expansion slots · Compatible with most classic Apple II cards plus IIGS-specific SCSI, sound, and modern flash storage cards.

EASY