MiTAC has been granted a patent for a method enabling a baseboard management controller (BMC) module to read information from multiple riser cards. The method involves accessing a lookup table, scanning addresses, and verifying identification information to obtain field replaceable unit (FRU) data from the riser cards. GlobalData’s report on MiTAC gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on MiTAC, was a key innovation area identified from patents. MiTAC's grant share as of July 2024 was 67%. Grant share is based on the ratio of number of grants to total number of patents.
Method for reading information from multiple riser cards
The patent US12061565B2 outlines a method and system for reading information from multiple riser cards using a Baseboard Management Controller (BMC) module. The BMC module is equipped with a System Management Bus (SMBus) controller that connects to various riser cards through distinct connection buses. The method involves accessing a lookup table containing reading specifications for different riser card types and scanning bus addresses to communicate with target riser cards. The BMC determines whether a slave address is received from the target card and, if so, reads the card's memory to obtain identification information. This process includes verifying that the identification information adheres to a Field Replaceable Unit (FRU) header format before extracting further FRU information.
Additionally, the claims detail the BMC's capability to handle scenarios where the slave address is not received or the identification information does not conform to the expected format. The BMC can select untried bus addresses or reading specifications in a systematic or random manner to ensure comprehensive scanning. The reading specifications include parameters such as data units per operation, data offset positions, and header sizes. The BMC is designed to record reading failures and manage the selection of bus addresses and reading specifications efficiently, ensuring that all potential options are explored before concluding a reading attempt. This method enhances the reliability and effectiveness of information retrieval from multiple riser cards in a computing environment.
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