Computer system with memory access conflict control
A computer system and memory access technology, applied in the field of computer systems, can solve problems such as platform path controller access conflicts
Inactive Publication Date: 2017-03-22
INVENTEC PUDONG TECH CORPOARTION +1
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Problems solved by technology
However, in order to allow the limited number of transmission ports or transmission paths of the platform path controller to be efficiently provided to the central processing unit for transmission and communication with other components, often multiple components share one transmission portion or transmission path setting, which makes the platform path controller prone to access conflicts
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[0016] The specific implementation manner of the present invention will be described in more detail below with reference to schematic diagrams. Advantages and features of the present invention will be apparent from the following description and claims. It should be noted that all the drawings are in a very simplified form and use imprecise scales, and are only used to facilitate and clearly assist the purpose of illustrating the embodiments of the present invention.
[0017] Please refer to figure 1 , figure 1 It is a functional block diagram of a computer system according to an embodiment of the present invention. Such as figure 1 As shown, the computer system 10 has a first system control bus (System Management Bus, SMBUS) main controller 11, a second system control bus (System Management Bus, SMBUS) main controller 12, a controller 13, a selector 14, a transmission Interface 15 and memory 16.
[0018] The first system control bus host controller 11 , hereinafter referr...
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The invention provides a computer system with memory access conflict control. The computer system is provided with a first SMBUS (System Management Bus) master controller, a second SMBUS master controller, a controller and a selector, wherein the controller outputs a control signal when the first SMBUS master controller and the second SMBUS master controller both request to read and write memory, and the selector selectively switches the first SMBUS master controller or the second SMBUS master controller to read and write the memory via a transmission interface according to the control signal. When the control signal indicates the selector to select the first SMBUS master controller to read and write the memory and the first SMBUS master controller finishes reading and writing the memory, the controller receives an end signal output by the first SMBUS master controller, and indicates the selector to switch the second SMBUS master controller to read and write the memory via the transmission interface.
Description
technical field [0001] The invention relates to a computer system, in particular to a computer system with memory access conflict control. Background technique [0002] In a computer system, a Baseboard Management Controller (BMC) manages the working status of the entire server system, such as temperature, voltage, fan, power supply, and chassis intrusion. The baseboard management controller provides functions such as server system self-monitoring, event recording, and error recovery, and is a very important management component in the server system. [0003] Based on the design concept of cost control and performance optimization, the newly developed workstation platform (platform) gradually no longer uses the baseboard management controller as the control signal communication, but gradually uses the platform path controller (Platform Controller Hub) Replace the baseboard management controller control signal communication function. However, in order to allow the limited n...
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Login to View More IPC IPC(8): G06F13/16
CPCG06F13/1668
Inventor 韩应贤
Owner INVENTEC PUDONG TECH CORPOARTION