HARDWARE LOGGING FOR LANE MARGINING AND CHARACTERIZATION

A device includes a port with a replay buffer and protocol logic to receive a flit in a sequence of flits to be sent on a point-to-point link and determine an error in the flit. Based on the error, a copy of the flit is stored in a first position within the replay buffer as well as a copy of a next...

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Bibliographic Details
Main Authors Boddupalli, Raghucharan, Choudhary, Swadesh, Jen, Michelle C, Das Sharma, Debendra
Format Patent
LanguageEnglish
French
German
Published 03.04.2024
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Summary:A device includes a port with a replay buffer and protocol logic to receive a flit in a sequence of flits to be sent on a point-to-point link and determine an error in the flit. Based on the error, a copy of the flit is stored in a first position within the replay buffer as well as a copy of a next flit received in the sequence of flits, which is stored in a second position within the replay buffer. The copies of the flits are then written to a register for access by software.
Bibliography:Application Number: EP20220188846