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Multiprocessing 32-bit buses are starting to blossom

Journal Article · · Electronics; (United States)
OSTI ID:5108373
As powerful 32-bit microprocessors begin operating in multiprocessor systems, two revamped buses will be competing to move the data. The vmebus, recently upgraded with the expansion vmxbus and a serial vmsbus by a team lead by motorola and signetics, will be going head to head against intel's multibus ii in the 32-bit arena. Both buses have full 32-bit primary data and addressing paths, but multibus ii uses multiplexing to achieve what the vmebus does with dedicated addressing and data lines. Data-transfer rates for both are faster than 40 megabytes a second, but multibus ii uses a synchronous timing scheme while vme runs asynchronously. Their most important common attribute is their open-system architecture.
OSTI ID:
5108373
Journal Information:
Electronics; (United States), Journal Name: Electronics; (United States) Vol. 6; ISSN ELECA
Country of Publication:
United States
Language:
English

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