MCA Buses Hardware
Micro Channel Architecture MCA was the 32-bit bus IBM used inside some of its computers in the late 1980s, most notably the Personal System/2 (PS/2) line. It was a proprietary bus, and IBM required clone manufacturers to pay royalties to use the bus in their machines. It was also incompatible with previous buses, and was quickly replaced by other technologies, such as PCI.
Top: Computers: Hardware: Buses: MCA
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What is MicroChannel Architecture? - IBM's answer to the failings of its older PC bus, which is now referred to as the ISA bus, article discusses the problems and short falls it had.
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Tavi PS/2 Pages - Information about IBM PS/2 machines. Although mainly directed at the MicroChannel systems (model 50 and above) there may be the occasional snippet about the lower end ISA-based systems as well.
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Peter H. Wendt - IBM Microchannel Enthusiasts Page including his famous QBMCA Microchannel Adapter Identification Software and hundreds of ADFs for IBM MCA-machines.
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Su's PS/2 Page - The effects of M.A.D. Microchannel Addictive Disorder.
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Micro Channel Architecture (MCA) Bus - Ways in which MCA was "ahead of its time", with explanation of its demise.
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Quatech: Microchannel Bus Overview - Describes MCA's improvements over ISA, plug-and-play system, and a few specifications.
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TechFest - Micro Channel Bus technical summary.
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