Quanta Computer has been granted a patent for a method of logging messages in a baseboard management controller (BMC) system. The method involves powering on a processing chip with a main processor and a co-processor, booting up the co-processor, initiating a storage portion of a memory device, triggering a boot-up of the main processor, and receiving messages redirected from a communication interface via a snooping interface. GlobalData’s report on Quanta Computer gives a 360-degree view of the company including its patenting strategy. Buy the report here.

According to GlobalData’s company profile on Quanta Computer, Data center cooling systems was a key innovation area identified from patents. Quanta Computer's grant share as of September 2023 was 73%. Grant share is based on the ratio of number of grants to total number of patents.

Method of logging messages in a baseboard management controller

Source: United States Patent and Trademark Office (USPTO). Credit: Quanta Computer Inc

A recently granted patent (Publication Number: US11775372B2) describes a method and system for logging messages in a baseboard management controller (BMC) system. The method involves powering on a processing chip of the BMC system, which includes a main processor and a co-processor. The co-processor is booted up and initiates a storage portion of a non-transitory processor-readable memory device and a snooping interface. The main processor is then triggered to boot up. Messages from a communication interface of the BMC system are redirected and received via the snooping interface by routing them internally within the processing chip.

The received messages, which can include booting messages, error messages, and exception messages generated during boot-up and operation of the main processor, are saved in the non-transitory processor-readable memory device. The communication interface can be various types such as a Universal Asynchronous Receiver/Transmitter (UART) interface, a Universal Serial Bus interface, or a General Purpose Input/Output (GPIO) interface.

The co-processor can be booted up before the main processor if it is powered on first, or the main processor can trigger the boot-up of the co-processor if it is powered on first. The redirected messages can also be routed externally through traces on the printed circuit board (PCB) on which the BMC system is embedded.

The baseboard management controller (BMC) system described in the patent includes a processing chip with a built-in main processor and a built-in co-processor. It also includes at least one communication interface communicatively coupled to the main processor and at least one snooping interface coupled to the co-processor. A non-transitory processor-readable memory device is communicatively coupled to the co-processor and has a storage portion. The co-processor is configured to power on the processing chip, boot up the co-processor, initiate the storage portion and snooping interface, trigger a boot-up of the main processor, and receive messages redirected from the communication interface via the snooping interface.

Similar to the method, the received messages can be saved in the non-transitory processor-readable memory device. The communication interface can be various types, and the co-processor can boot up before the main processor or be triggered by the main processor. The received messages can include booting messages, error messages, and exception messages associated with various events during boot-up and operation of the main processor. The redirected messages can also be routed externally through traces on the PCB.

Overall, this patent provides a method and system for efficiently logging messages in a BMC system, allowing for easier debugging and monitoring of the system's operation.

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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.