12 Facts About Macintosh II


Macintosh II is a personal computer designed, manufactured, and sold by Apple Computer from March 1987 to January 1990.

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Macintosh II was the first computer in the Macintosh line without a built-in display; a monitor rested on top of the case like the IBM Personal Computer and Amiga 1000.

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Macintosh II project was begun by Dhuey and Berkeley during 1985 without the knowledge of Apple co-founder and Macintosh division head Steve Jobs, who opposed expansion slots and color, on the basis that the former complicated the user experience and the latter did not conform to WYSIWYG—color printers were not common.

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Macintosh II was introduced at the AppleWorld 1987 conference in Los Angeles, with low-volume initial shipments starting two months later.

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Macintosh II has drive bays for an internal hard disk and an optional second floppy disk drive.

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It, along with the Macintosh II SE, was the first Macintosh II to use the Apple Desktop Bus introduced with the Apple IIGS for keyboard and mouse interface.

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Primary improvement in the Macintosh II was Color QuickDraw in ROM, a color version of the graphics routines.

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CPU: The Macintosh II is built around the Motorola 68020 processor operating at 16 MHz, teamed with a Motorola 68881 floating point unit.

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Graphics: The Macintosh II includes a graphics card that supports a true-color 16.

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Original ROMs in the Macintosh II contained a bug that prevented the system from recognizing more than one megabyte of memory address space on a Nubus card.

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Every Macintosh II manufactured until approximately November 1987 had this defect.

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Audio: The Macintosh II was the first Macintosh to have the Chimes of Death accompany the Sad Mac logo whenever a serious hardware error occurred.

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