Difference between revisions of "FSI"
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Revision as of 14:29, 19 December 2017
Flexible Service Interface (FSI): Custom serial interface present on OpenPOWER CPUs. Functions as a master control interface for the CPU, usually connected to the BMC and used by it to manage the CPU (e.g. directing the CPU to begin booting). Can also be used as a hardware debugging interface if secure boot is disabled.
