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Entrust Cleaning Card Sr200 Isi 10 Pcs.The Apple IIGS (styled as II GS), the fifth and most powerful of the Apple II family, is a 16-bit personal computer produced by Apple Computer.

While featuring the Macintosh look and feel, and resolution and color similar to the Amiga and Atari ST, it remains compatible with earlier Apple II models. The "GS" in the name stands for "Graphics and Sound," referring to its enhanced multimedia hardware, especially its state-of-the-art audio. The microcomputer is a radical departure from any previous Apple II, with a 16-bit 65C816 microprocessor, direct access to megabytes of random-access memory (RAM), and mouse. It is the first computer from Apple with a color graphical user interface (color was introduced on the Macintosh II six months later) and Apple Desktop Bus interface for keyboards, mice, and other input devices. It is the first personal computer with a wavetable synthesis chip, using technology from Ensoniq. The IIGS set forth a promising future and evolutionary advancement of the Apple II line, but Apple increasingly focused on the Macintosh platform.

3.1 Limited Edition ("Woz"-signed case).Īpple ceased IIGS production in December 1992.

7.1 Original firmware release ("ROM version 00").

7.2 Video Graphics Controller (VGC) replacement.

7.5 Third firmware release ("ROM version 3") 1 MB of RAM.7.3 Second firmware release ("ROM version 01"). The Apple IIGS made significant improvements over the Apple IIe and Apple IIc. It emulates its predecessors via a custom chip called the Mega II and uses the then-new WDC 65C816 16-bit microprocessor. The processor runs at 2.8 MHz, which is faster than the 8-bit processors used in the earlier Apple II models. The 65C816 allows the IIGS to address considerably more RAM. The 2.8 MHz clock was a deliberate decision to limit the IIGS's performance to less than that of the Macintosh.

This decision had a critical effect on the IIGS's success the original 65C816 processor used in the IIGS was certified to run at up to 4 MHz. Faster versions of the 65C816 processor were readily available, with speeds of between 5 and 14 MHz, but Apple kept the machine at 2.8 MHz throughout its production run.