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IEEE 1096-1988

IEEE Standard for a Multiplexed High-Performance Bus Structure: VSB
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IEEE 1096-1988

IEEE Standard for a Multiplexed High-Performance Bus Structure: VSB

PUBLISH DATE 1989
PAGES 124
IEEE 1096-1988

New IEEE Standard - Inactive-Withdrawn.

Withdrawn Standard. Specifications for the subsystem bus of the IEC 821 BUS, referred to as the VSB, are set forth.

VSB is a local subsystem extension bus that allows a processor board to access additional memory and I/O over a local bus, removing traffic from the global bus and improving the total throughput of the system.

The objectives are:

  • to improve the performance of multiprocessor systems by allowing the design of local subsystems;
  • to specify the electrical characteristics required to design boards that will reliably transfer data over the VSB;
  • to specify the mechanical requirements to be compatible with VSB systems;
  • to specify protocols that precisely define the interaction between the VSB and devices interfaced to it;
  • and to provide terminology and definitions that describe VSB protocols.

The Subsystem Bus of the IEC 821 BUS (IEC 821-1987 [2],1 henceforth referred to as the VSB) is a local subsystem extension bus. It allows a processor board to access additional memory and I/O over a local bus, removing traffic from the global bus and improving the total throughput of the system.

The system has been conceived with the following objectives:

  • To improve the performance of multiprocessor systems by allowing the design of local subsystems.
  • To specify the electrical characteristics required to design boards that will reliably transfer data over the VSB.
  • To specify the mechanical requirements to be compatible with VSB systems.
  • To specify protocols that precisely define the interaction between the VSB and devices interfaced to it.
  • To provide terminology and definitions that describe VSB protocols.
SDO IEEE: Institute of Electrical and Electronics Engineers
Document Number 1096
Publication Date July 28, 1989
Language en - English
Page Count 124
Revision Level
Supercedes
Committee Microprocessor Standards Committee
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