Apple - II  Macintosh II-SI

Macintosh IIsi

The Macintosh IIsi was released to the market in 1990. It was introduced as alower cost version of the other Macintosh II computers. Because of this lower cost, it was a popular model for home users. The machine was introduced at the same time as the Macintosh LC

The Macintosh IIsi ran on a Motorola 68030 @20MHz, came with 1MByte of RAM, built in sound and color video up to 640x480 in 8-bit color. It shipped with a 40MByte or 80MByte harddrive, and a 1.44MByte floppy disk drive.

The machine could be upgraded using the MC68882 Floating Point Unit (FPU), that was mounted on a special plug-in card. The machine also had SCSI, two serical port, an external floppy drive port, a sound input jack, and a 3.5mm stereo headphone jack.

By Apple CPU Motorola 68030 @20MHz Memory 1M RAM, 17M Max Sound 8-bit Pulse-width modulation Sprites none Display 640x480 4-bit color, 512x384 8-bit color. Display Chip none Sound Chip TTL Logic for PWM CPU Class 68000 Developed by Apple
Related Systems
Apple Macintosh
Macintosh  II-SI
Books & Publications
Books about the Apple Macintosh, the first mass-market personal computer with a graphical user interface.
Magazines & Serials
InCider Magazine for Apple Computers, later fused with A+
Peeker, a German language magazine for Apple Computer users.
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