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EntityQ2023100· pop 5· linked from 275 articles

Also known as LSI-11 Bus

The Q-bus, also known as the LSI-11 Bus, is one of several bus technologies used with PDP and MicroVAX computer systems previously manufactured by the Digital Equipment Corporation of Maynard, Massachusetts.

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Q-Bus
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10 sections
Contents
  • Main features of the Q-bus
  • Physical characteristics
  • Logic minimization
  • Compatibility
  • Soviet clones
  • Cycle Types
  • Device Types
  • Interfaces
  • External links
  • References

The Q-bus, also known as the LSI-11 Bus, is one of several bus technologies used with PDP and MicroVAX computer systems previously manufactured by the Digital Equipment Corporation of Maynard, Massachusetts.

The Q-bus is a less expensive version of Unibus using multiplexing so that address and data signals share the same wires. This allows both a physically smaller and less-expensive implementation of essentially the same functionality.

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