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MCA (Micro Channel Architecture) Definition |
The information in this document applies to:
WordPerfect® 5.1 for DOS
Problem
Solutions: MCA - Micro Channel Architecture: IBM's proprietary Micro Channel Architecture is the data bus of their PS/2 line of microcomputers. This is the data bus of the computer that controls the flow of data between processors and to and from such peripheral devices as the keyboard, monitor, and printer. The Micro Channel has three main aspects: a 32-bit band width, the I/O processors, and the multimaster control, which acts like a data traffic cop to allow multiprocessors to work simultaneously. The multimaster part of the bus provides the biggest benefits of the Micro Channel. The biggest drawback to the MCA is the fact that it is not downward compatible with IBM's earlier microcomputer products. Boards that plug into the MCA bus are not interchangeable with the XT and AT computers. This definition was taken from the public domain program named PC-Glossary. |
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