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S-100总线是美国MITS公司于1975年生产微型计算机Altair8080时使用的总线,是连接中央处理机、存储器和输入/输出装置的系统总线,有100根,其中包括数据线、地址线、控制线和电源线。Altair出厂后销路很好(它是第一个配上BASIC语言的微型机)由于用户的不断增加和对性能的扩展改进,许多小厂又纷起生产为100根总线相容的存储器和软盘。在这形势下,为了吸取大、中型计算机发展中的经验和教训,美国部份厂家和用户于1976年8月在大西洋城召开会议,研究以8080为基础的微型机系统的内部总线标准。优选结果,MITS的100总线被定为标准,即称为S-100。最近IEEE计算机协会和微处理器标准化委员会正在受理审批这一标准。
The S-100 bus is a bus used by MITS in the United States to manufacture the Altair8080 microcomputer in 1975. It is a system bus that connects the central processing unit, memory, and I / O devices to 100 systems, including data lines, address lines, control lines And power cord. Altair sold well after leaving the factory (it was the first microcomputer equipped with the BASIC language). Due to the ever-increasing number of users and the improvement in performance, many small factories have also produced 100 bus-compatible memories and floppy disks. Under these circumstances, in order to draw on the experience and lessons learned in the development of large and medium-sized computers, some manufacturers and users in the United States met in Atlantic City in August 1976 to study the internal bus standard of the 8080-based microcomputer system. As a result, the 100 bus of MITS is set as the standard, which is called S-100. The IEEE Computer Society and Microprocessor Standardization Committee are approving this standard recently.