Configurable vrm card
AssigneeInternational Business Machines Corporation
InventorsJustin Henspeter, Michael Lee Miller, Jordan Keuseman
Life of this patent
Estimating the term…
Abstract
A discrete VRM card comprises a set of VRM controllers. The set of VRM controllers comprises a VRM controller with two feedback loops. The VRM card comprises a power stage and a power-stage critical-signal multiplexer. The output of the power-stage critical-signal multiplexer determines a feedback loop with which the power stage communicates. The VRM card also comprises a configuration selector. The configuration selector determines a feedback-loop assignment for the power-stage critical-signal multiplexer and provides VRM instructions to the VRM controller.
Claims25
A discrete VRM card comprising:
- a set of VRM controllers, wherein the set comprises a VRM controller with two feedback loops;
- a power stage;
- a power-stage critical-signal multiplexer, wherein the output of the power-stage critical-signal multiplexer determines a feedback loop with which the power stage communicates;
- and
- a configuration selector, wherein the configuration selector determines a feedback-loop assignment for the power-stage critical-signal multiplexer and provides VRM instructions to the VRM controller.
A method comprising:
- plugging a VRM card into a system board of a computer system;
- detecting, by the VRM card, a power property of the computer system;
- identifying, by the VRM card, a VRM card configuration based on the power property;
- sending by the VRM card, based on the identifying, VRM instructions to a set of VRM controllers on the VRM card;
- sending by the VRM card, based on the identifying, a set of feedback-loop assignments to a power-stage critical-signal multiplexer on the VRM card;
- and
- operating the VRM card according to the VRM instructions and feedback-loop assignments.
A computer program product, the computer program product comprising a computer readable storage medium having program instructions embodied therewith, the program instructions executable by a VRM card to cause the VRM card to:
- detect that the VRM card is inserted into a computer system;
- detect a power property of the computer system;
- identify a VRM card configuration based on the power property;
- send, based on the identifying, VRM instructions to a VRM controller on the VRM card;
- send, based on the identifying, a feedback-loop assignment for a power-stage critical-signal multiplexer on the VRM card.
Dependencies are inferred from the claim text.