IBM 73Y9677 server / storage / networking hardware Server Hardware / Parts

The IBM 73Y9677 is a Bulk Power Controller (BPC), carrying the supplier reference ‘BPC-EP’, part of the bulk power subsystem fitted to IBM’s larger Power server chassis such as the Power 795 range. The BPC coordinates the regulators, distributors and hub within the bulk-power infrastructure, sequencing power-on and reporting status and faults to the system’s service processor. Systems built around this bulk-power architecture remain in service across many established enterprise deployments, and a genuine replacement BPC is required whenever a controller fails or when a bulk-power subsystem is rebuilt from spares, since the whole subsystem depends on the controller for coordinated operation. Specifiers should confirm the exact host chassis and BPC revision before ordering, since ‘EP’ and other suffixes denote different generations of this controller across the Power 795 range. Tech-Star (UK-based, shipped worldwide) supplies the 73Y9677 for engineers maintaining Power server bulk-power redundancy.