The IIgs (or IIGS) is the last of the Apple II line.
- ROM 00 - Cannot run GS/OS, can be upgraded to ROM 01 via chip replacement.
- ROM 01 - Can run GS/OS.
- ROM 03 - Can run GS/OS and is the best option for doing so for stability and compatibility.
With the video and disk drive ports included on the IIgs board, the system features a number of available expansion slots for use. Modern upgrades include Compact Flash storage, sound cards, etc. Also see these specific options:
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