The LC's memory management chipset places a limit of 10 MB RAM no matter how much was installed. The LC has a 16-bit data bus, which is a major performance bottleneck as the 68020 is a 32-bit CPU. It has a 16 MHz Motorola 68020 microprocessor which lacks a floating-point coprocessor (although one could be added via the PDS). The LC uses a "pizza box" case with a Processor Direct Slot (PDS) but no NuBus slots. It was replaced by Macintosh LC II, which was largely the same but was built around a Motorola 68030 processor. ![]() The original Macintosh LC was introduced in October 1990, with initial shipments to dealers following in December and January. Not long after the Apple IIe Card was introduced for the LC, Apple quietly removed the II GS from its price list, forceably retiring it, as the company wanted to focus its sales and marketing efforts on the LC. The computer had a $2,400 list price it and the new $600 12-inch color display were $3,500 less expensive than the Macintosh II. It was designed for inexpensive manufacturing, with five major components that robots could assemble. The creation of the LC was prompted by Apple's desire to produce a product that could be sold to school boards for the same price as an Apple II GS. The first in the Macintosh LC family, the LC was introduced with the Macintosh Classic (a repackaging of the older Macintosh SE) and the Macintosh IIsi (a new entry-level machine for the Macintosh II series), and offered for half the price of the Macintosh II but significantly lesser in performance overall. ![]() The Macintosh LC is a personal computer designed, manufactured, and sold by Apple Computer, Inc. 2 MB, expandable to 10 MB (100ns 30-pin SIMM)
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