Board management device, board management system and control card using same
A management device and control card technology, applied in hardware monitoring, electrical digital data processing, instruments, etc., can solve problems such as occupying large CPU resources, reducing system stability, etc., to achieve the effect of reducing the burden
Inactive Publication Date: 2016-12-21
NANNING FUGUI PRECISION IND CO LTD
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Problems solved by technology
However, this kind of point-to-point connection realizes the management control method between the main board and the control card, and the main board needs to constantly pass through the I 2 C bus reads the I on all control cards 2 The working parameters of C components to achieve the purpose of system management and control need to occupy a lot of CPU resources, which may reduce the stability of the system.
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[0014] see figure 1 , is a schematic diagram of a board management system 100 provided by the present invention. The board card management system 100 includes at least one main board 10 and a plurality of control cards 11 . Each control card 11 is installed on the at least one motherboard 10 . In this embodiment, each control card 11 is plugged into a corresponding slot (such as a graphics card slot, a network card slot, etc.) on the at least one motherboard 10 . The at least one motherboard 10 passes through an I 2 The C bus is connected with each control card 11 to control and manage each control card 11 . Wherein, each control card 11 is equipped with a board management device 20 . And each control card 11 has a unique device identification information. The unique device identification information may be a unique device identification code of the control card 11 or an identifier (Slot Identification, Slot ID) of the control card 11 corresponding to a slot on the at lea...
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The invention discloses a board management device, which is arranged in a control card; the control card is connected with a mainboard through an I2C (inter-integrated circuit) bus. The board management device comprises a bus switch control unit, an address storage unit, a data reading unit and a data temporary storage unit. The bus switch control unit is used for selectively controlling the control card and the I2C bus to be connected and disconnected; the address storage unit is used for storing bus addresses of I2C elements in the control card; the data reading unit is used for reading real-time monitoring data of each I2C element according to the bus addresses of the I2C elements stored in the address storage unit; then, the read real-time monitoring data are temporarily stored in the data temporary storage unit, and provided for the mainboard to acquire the data in real time so as to perform monitoring and management on the control card through the mainboard. The invention also provides a board management system and the control card comprising the board management device. According to the board management device, the board management system and the control card disclosed by the invention, the monitoring and the management of multiple control cards can be realized through the mainboard by using one I2C bus.
Description
technical field [0001] The invention relates to a board card management device, a board card management system and a control card using the board card management device. Background technique [0002] The main board in the computer equipment and the control cards such as the graphics card, sound card, and network card installed on the main board are collectively referred to as boards. The management structure of the traditional computer equipment board system mostly uses the I 2 The C bus realizes the management control between the main board and the control card. However, since there are many control cards on the board system, if a single I 2 The C bus is used to control multiple control cards, which will lead to poor signal quality and do not meet I 2 C data transfer specification. Therefore, most of the existing board systems utilize multiple groups of I 2 The C bus realizes the point-to-point connection between the motherboard and each control card to improve the sig...
Claims
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IPC IPC(8): G06F13/36G06F11/30
Inventor 邱益国
Owner NANNING FUGUI PRECISION IND CO LTD