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Micro Channel Architecture - The 32-bit bus used in most IBM PS/2 PCs and the RS/6000 workstations. Introduced in 1987. From the Dictionary of PC Hardware.

Hardware Documentation - Buses - MCA - Here are some links to information about the MicroChannel Architecture (MCA) bus, as used in many IBM PS/2, RS/6000, AS/400, and 370 machines.

TechFest - Micro Channel Bus technical summary.

QBMCA - Having trouble identifying an unknown adapter in a MCA-system, links to some software to help.

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.

Su's PS/2 Page - The effects of M.A.D. Microchannel Addictive Disorder.

Peter H. Wendt - IBM Microchannel Enthusiasts Page including his famous QBMCA Microchannel Adapter Identification Software and hundreds of ADFs for IBM MCA-machines.

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.

Micro Channel Linux Home Page - From Christophe Beauregard.