Micro Channel architecture
Parallel computer bus introduced by IBM in 1987 / From Wikipedia, the free encyclopedia
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Micro Channel architecture, or the Micro Channel bus, is a proprietary 16- or 32-bit parallel computer bus publicly introduced by IBM in 1987 which was used on PS/2 and other computers until the mid-1990s. Its name is commonly abbreviated as "MCA", although not by IBM. In IBM products, it superseded the ISA bus and was itself subsequently superseded by the PCI bus architecture.
Quick Facts Year created, Created by ...
Micro Channel architecture | |
Year created | 1987; 37 years ago (1987)[NB 1] |
---|---|
Created by | IBM |
Supersedes | ISA |
Superseded by | PCI (1993) |
Width in bits | 16 or 32 |
Speed | 10 MHz |
Style | Parallel |
Hotplugging interface | No |
External interface | No |
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This article is about a computer bus. For small-sized liquid ducts, see Microchannel (microtechnology).