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Table Of Contents  CertiGuide to A+ (Core Hardware)
 9  Chapter 0000:  The Start of the PC
      9  III  IBM and the Creation of the PC

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IBM PC

IBM released the PC Model 5150; it had five expansion slots utilizing an eight-bit data path. It could accept up to four floppies (5.25 inch disks), or work with an audiocassette to store programs. The marketing clout of a PC with IBM's name on it surprised even IBM. However, it was a few third-party vendors that made the IBM PC a run-away success.

Figure 1: 8088 CPU & 8087 CPU. The 8088 CPU (bottom) was selected over the 8086. 8087 Math Co-processor (top) optional

 

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