For questions related to the Apple IIgs computer.
The Apple IIgs was released by Apple Computer in September 1986. The fifth model in the Apple II line, it featured a 16-bit CPU and significantly enhanced graphic and sound capabilities.
Questions tagged [apple-iigs]
32 questions
20
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1 answer
Apple IIgs: Hardware implementation of RAM shadowing
On the Apple IIgs, the 256K of built-in main memory is divided into two sections: The "fast" RAM, banks 00 and 01, and the "slow" RAM, banks E0 and E1. CPU access to slow RAM required the CPU to slow to the 1MHz speed of the earlier Apple II…
fluffysheap
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What is the maximum amount of memory that can be added to an Apple IIGS?
I thought it was 4 Megabytes but I can see there are 8 Megabyte expansion cards. Is that the maximum? And is that an addressing/bank limit or a limit of the slot?
nevster
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Apple IIGS: Is there a way to boot and run an Apple II OS in E0/E1 in native CPU mode?
Apple //GS: Is there a way to boot and run an Apple ][ OS in E0/E1 in native CPU mode? No GS features are required. 1MHz clock like on previous Apple2s is perfect. The reason for needing this is because there are hardware features present in E0/E1…
George
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