Macintosh Ii Family

The Macintosh II was the initial model, representing the high-end of the Macintosh line for the time. Over the course of the next six years, seven more models were produced, culminating with the short-lived Macintosh IIvi and Macintosh IIvx models. Apple retired the Macintosh II name when it moved to Motorola 68040 processors; the Centris and Quadra names were used instead.

Unlike prior Macintosh models, which are "all-in-one" designs, the Macintosh II models are "modular" systems which do not include built-in monitors and are expandable. Beginning with the Macintosh II and culminating in the Macintosh IIfx, the Macintosh II family was Apple's high-end line from 1987 until the introduction of the Motorola 68040-based Macintosh Quadra computers in 1991.

Expansion was provided by way of NuBus, which become the standard expansion bus for the entire Macintosh line for almost a decade. The Macintosh II was the first to officially support color displays, and the first (apart from the Macintosh XL) to support a screen resolution larger than 512x384.

The Macintosh II is also the first to use a Motorola 68000 series processor other than the Motorola 68000. Except for the original Macintosh II which launched the line with a Motorola 68020 clocked at 16 MHz, they exclusively used the Motorola 68030 microprocessor, even after the Motorola 68040 was introduced. Apple would eventually adopt the '040 with the introduction of the Quadra 700 and 900, positioning these models as high-end workstation-class machines for graphics and scientific computing, while positioning the Macintosh II family as a mainstream desktop computer.

During the Macintosh II series' lifespan, they rose to become among the most powerful personal computers available. While the Macintosh II series itself was replaced by the Macintosh Centris and Quadra, the Macintosh LC and Performa families continued to use the II's 68030 technology long after the 68040 was introduced and the PowerBook continued to use the '030 into the Power Macintosh era.

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  Macintosh II, the first model introduced
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  Macintosh IIx, a Macintosh II with a 68030 CPU
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  Macintosh IIcx, a compact model
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  Macintosh IIci, a popular and long-lived model
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  Macintosh IIfx, with its 40 MHz '030, was the fastest II-series Mac
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  Macintosh IIsi, one of the few Macs to use a unique case
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  Macintosh IIvi, the shortest-lived Macintosh model
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  Macintosh IIvx, the final II-series case design – also used for the Centris/Quadra 650

• List of Mac models grouped by CPU type

 

Wiki Commons has media related to Macintosh II.

• Mac II Series Index, Low End Mac