Mechanism To Improve The Reliability Of Sideband In Chiplets
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United States of America
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Mar 13, 2025
app pub date -
Sep 13, 2023
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Sep 13, 2023
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Various embodiments include methods and devices for implementing Universal Chiplet Interconnect Express (UCIe) link configuration for multi-module chiplets of a computing device. Embodiments may include transitioning a UCIe link in an active state having a first sideband that is active to the UCIe link in a reset state, and initializing at least one sideband for the UCIe link that is a different functional sideband of a multi-module chiplet than the first sideband following the reset state of the UCIe link. Embodiments may include reading sideband data configured to represent a functional sideband of the multi-module chiplet, and initializing the functional sideband as the at least one sideband. Embodiments may include reading sideband data configured to represent at least two functional sidebands of the multi-module chiplet, and initializing at least one functional sideband of the at least two functional sidebands as the at least one sideband.
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