14 results about "System Management Bus" patented technology

The invention provides a server management method, device and equipment and a storage medium, and belongs to the technical field of computer system architecture.The server management method comprises the steps that first equipment information of PCIe link equipment and second equipment information of SMBus link equipment are obtained; determining a device supporting a management component transport protocol (MCTP) based on the first device information and the second device information; constructing a heterogeneous equipment topological graph in the server based on the equipment supporting the MCTP protocol; determining a global unique logic identifier (EID) of each device in the heterogeneous device topological graph based on the first device information and the second device information, and constructing a global unique logic identifier mapping table based on the EIDs; and managing the internal equipment of the server according to the global unique logic identifier mapping table. According to the method, the unified management strategy of the heterogeneous bus equipment is integrated in the firmware system of the BMC, additional conversion equipment is not needed, and the design and maintenance cost of hardware is reduced.

The invention discloses an out-of-band management method and device based on a solid state disk, and relates to the technical field of solid state disks, and the out-of-band management method comprises the steps: obtaining an original signal from a system management bus channel or a PCIe expansion channel in a solid state disk system; determining an original command corresponding to the original signal; analyzing the original command into a target command, and executing the function of the solid state disk system based on the command type of the target command to obtain an execution result; according to the execution result, a response message adapted to the system management bus channel or the PCIe extension channel is generated, and the response message comprises operation data of the solid state disk; and adjusting the priority of the target command by using the operation data, and through the technical scheme disclosed by the invention, the problems of low efficiency and poor flexibility of out-of-band management in related technologies are solved, and the out-of-band management efficiency and flexibility of the solid state disk are improved.

This invention relates to the field of communication technology and discloses a method, apparatus, computer device, and storage medium for monitoring server sub-cards. The method for monitoring server sub-cards includes: after the server is powered on, selecting sub-cards supporting the System Management Bus (SMBus) from multiple sub-cards connected to the same I2C integrated circuit bus to obtain a set of sub-cards to be monitored; assigning an address to each sub-card in the set of sub-cards using the Address Resolution Protocol (ARP); and monitoring the sub-cards in the set of sub-cards based on their assigned addresses. This allows each sub-card in the set of sub-cards to have a different assigned address, thus eliminating the need for switching channels via a switch chip when monitoring the same sub-card, and enabling simultaneous monitoring of the same sub-cards, thereby improving monitoring efficiency.

An integrated circuit (IC) chip and / or system includes a processing core and an input / output (I / O) controller, coupled to a host interface, to detect a plurality of state transitions in a data signal received over a system management bus (SMBUS) of the host interface and generate an interrupt responsive to detecting each state transition. An interrupt controller routes each interrupt to the processing core. The processing core, in response to receipt of each respective interrupt, retrieves a corresponding state transition received over the SMBUS and stores, in a memory, the corresponding state transition.

A power supply system for an add-in card is provided. The system includes a motherboard device mounted on a host device, a baseboard management controller configured on the motherboard device, and a microcontroller unit configured on the add-in card, the add-in card is configured on the host device, and the baseboard management controller is connected to the microcontroller unit via a system management bus; the power supply system is configured to control the microcontroller unit to send working voltage parameters for the add-in card to the baseboard management controller when the host device carrying the motherboard device is not turned on; and the baseboard management controller is configured to receive the working voltage parameters and select a power supply type for the add-in card, and control the motherboard device to supply power to the add-in card based on the power supply type when the host device is turned on.

The invention discloses an out-of-band management method, device and system and a computer readable storage medium, which are applied to the technical field of computers, are applied to a substrate management controller, and comprise the following steps: acquiring an original command, and encrypting the original command by using an encryption algorithm and a randomization vector to obtain an encrypted command; obtaining an identification number of the to-be-managed device, and packaging the encryption command by using a management component transport protocol based on the identification number and the randomization vector to obtain a management component transport protocol message; transmitting the management component transport protocol message to the to-be-managed equipment through the system management bus, so that the to-be-managed equipment responds to the management component transport protocol message, and returns a packaged encrypted response to the substrate management controller; and analyzing and decrypting the packaged encrypted response to obtain a response result. The method is wider in application scene and higher in safety, the invalid overhead is greatly reduced, and the transmission efficiency and the reliability are improved.

The embodiment of the invention discloses a data processing method and device, equipment, a storage medium and a product. The method comprises the steps that a system management bus access request initiator obtains modal indication information, a system management bus access request is generated based on the modal indication information, the system management bus access request carries an access modal, and data access is initiated through the system management bus access request. And the root of trust acquires a system management bus access request, decodes the system management bus access request to obtain modal indication information, initiates data access according to an access modal indicated by the modal indication information, and returns an access result corresponding to the access request. Visibly, by indicating the access mode of the data in the system management bus access request, the same root of trust can initiate data access of different access modes according to the mode indication information in the system management bus access request, so that the reuse rate of the root of trust is improved.

The invention relates to the technical field of computer system security, and particularly discloses an RAID (redundant array of independent disks) card and TPM (trusted platform module) chip collaborative system trusted startup method, which comprises the following steps: S1, after a system is powered on, starting by using a TPM chip as a trusted root, and executing integrity measurement to establish a trusted startup chain; s2, after BIOS verification is passed and before a bootLoader is loaded, the BIOS initiates integrity measurement and verification of the RAID card, and the measurement and verification of the RAID card at least comprise verification of firmware of the RAID card and feature values of a system hard disk connected with the firmware; s3, only after verification of the RAID card is passed, the system loads and executes subsequent BootLoader and an operating system kernel from a system disk on the RAID card, and starting is completed; s4, during normal operation of the system, the TPM chip performs periodic or triggered dynamic measurement on the RAID card and the system disk thereof through the system management bus, and executes a security processing strategy when the measurement is abnormal; and the trust chain is expanded to the storage subsystem, so that comprehensive security protection is realized.

The embodiment of the invention discloses a BIOS-based display conversion controller configuration method and system and a medium, and relates to the technical field of display conversion, and the BIOS-based display conversion controller configuration method comprises the steps that in the system starting process, BIOS program codes are executed; before a display card of a system is initialized, a display conversion controller configuration step is executed through BIOS (Basic Input / Output System) program codes, which comprises the following steps of: detecting whether a display conversion controller connected with a system management bus exists or not through the system management bus; after the display conversion controller is detected, reading a pre-stored configuration parameter set of the display conversion controller from a preset storage area; and writing parameters in the configuration parameter set into a corresponding register of the display conversion controller through the system management bus so as to complete initialization of the display conversion controller. According to the invention, the problems of high system hardware cost, complex design, large power consumption and large space occupation caused by the adoption of an external independent MCU configuration display conversion controller, and low reliability caused by poor starting time sequence collaboration are solved.

The invention discloses a method for realizing IIC reading, electronic equipment and a readable storage medium, and belongs to the field of communication. The method comprises the following steps: acquiring target data transmitted by a master device through a system management bus; in response to an inter-integrated circuit IIC reading command contained in the target data, obtaining to-be-returned data corresponding to the IIC reading command; storing the to-be-returned data into a memory, and switching an input / output interface, corresponding to the system management bus, on the slave equipment into a general input / output mode; and sending the to-be-returned data to the master device in the general input and output mode.

A power supply system for an add-in card is provided. The system includes a motherboard device mounted on a host device, a baseboard management controller configured on the motherboard device, and a microcontroller unit configured on the add-in card, the add-in card is configured on the host device, and the baseboard management controller is connected to the microcontroller unit via a system management bus; the power supply system is configured to control the microcontroller unit to send working voltage parameters for the add-in card to the baseboard management controller when the host device carrying the motherboard device is not turned on; and the baseboard management controller is configured to receive the working voltage parameters and select a power supply type for the add-in card, and control the motherboard device to supply power to the add-in card based on the power supply type when the host device is turned on.

A power management integrated circuit (PMIC) is described for providing system management bus (SMB) isolation, along with memory sub-systems which include such a PMIC and methods of operating such devices. In one embodiment, a PMIC comprises a voltage supply input, power management circuitry, and elements of a SMB. The SMB elements can include an SMB input, an SMB hot swap controller coupled to the SMB input, one or more SMBs, and one or more SMB outputs. When integrated with a memory sub-system, one SMB output can be connected to a memory controller and another SMB output to a microcontroller. During different power states (e.g., normal or low power states), certain outputs can be isolated in order to manage communications on the SMB during the different power states of the memory sub-system using the PMIC.

The embodiment of the invention provides a computing system, a self-test platform, a self-test method, a program product and a related device.The computing system comprises a substrate management controller, a system management bus and a plurality of core particles, and the substrate management controller and the system management bus are arranged on a mainboard; the substrate management controller is connected with a plurality of core particles through a system management bus, the substrate management controller is used for generating a control instruction according to a self-test requirement, and the control instruction comprises a self-test instruction with identification information of a target core particle; the system management bus sends the self-test instruction and a self-test vector to a target core particle in the plurality of core particles based on the identification information, and the self-test vector is stored in a substrate management controller; and the target core particle executes a self-test based on the self-test instruction and the self-test vector to obtain a self-test result. According to the computing system, the coverage rate of self-testing of the core particles can be improved while the influence of the functions of the core particles is reduced.

The invention discloses a control method and electronic equipment, and the control method comprises the steps: responding to the connection of an external power supply or the disconnection of a DC power supply, maintaining a reset signal of each first peripheral interface of the electronic equipment through a first controller of the electronic equipment, and enabling each first peripheral interface to be in a non-enabling state; when the first peripheral interface is in the device connection state, performing security verification on the device connected with the first peripheral interface through a system management bus of the electronic device in a target verification mode; under the condition that the verification of the equipment connected with the first peripheral interface fails, adding a first mark to the equipment connected with the first peripheral interface; if the power-on instruction is received, turning on a direct-current power supply of the electronic equipment; the reset signal of the second peripheral interface is released through the first controller, so that the second peripheral interface is in an enabled state, and the second peripheral interface is the first peripheral interface of the connected equipment without adding the first mark.