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The Power Management Bus (PMBus) is a variant of the System Management Bus (SMBus) which is targeted at digital management of power supplies. Like SMBus, it is a relatively slow speed two wire communications protocol based on I²C. Unlike either of those standards, it defines a substantial number of domain-specific commands rather than just saying how to communicate using commands defined by the reader.
A distributed computer power management method
The application provides a distributed computer power management method, and belongs to the technical field of power management, and specifically comprises the following steps: connecting power management controllers and power modules of multiple computers to a group of power management buses; and realizing unified management of the power of the multiple computers through the group of power management buses; in the case that an individual power management controller fails, other power management controllers can take over the work of the failed power management controller, so that the system can normally operate; meanwhile, only one group of power management buses is used to realize the management of multiple power modules, so that the design structure is simple, the reliability is high, and computer interface resources and interconnection resources are saved.
Owner:XIAN AVIATION COMPUTING TECH RES INST OF AVIATION IND CORP OF CHINA