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Asynchronous communication method and system

A technology of asynchronous communication and memory, which is applied in the field of data communication and can solve problems such as unfavorable independent development of BMC chips.

Inactive Publication Date: 2021-08-06
SHANDONG YINGXIN COMP TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Based on this situation, there is currently a USB-based communication method for BMC chip and host interaction. This method is fast and has good versatility, but it requires a handshake between the BMC chip and the host to cause coupling between the two parties, which is not conducive to the independence of the BIOS and the BMC chip. to develop

Method used

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  • Asynchronous communication method and system

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Embodiment Construction

[0028] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0029] see figure 1 , which shows a flow chart of an asynchronous communication method provided by an embodiment of the present invention. The asynchronous communication method may specifically include:

[0030] S11: The host configures the bridge in the BMC chip as the LPC2AHB bridge; where the host runs BIOS, the host is connected to the designated memory in the BMC chip through the LPC2AHB bridge, the LPC2AHB bridge is connected to the host through the LPC ...

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Abstract

The invention discloses an asynchronous communication method and system. The method comprises the steps that a host configures a bridge in a BMC chip to be an LPC2AHB bridge; the host writes data into the specified memory through the LPC bus, the LPC2AHB bridge and the AHB bus, so that the BMC chip obtains the data from the specified memory; and / or, the host acquires the data written by the BMC chip from the specified memory through the LPC bus, the LPC2AHB bridge and the AHB bus; a BIOS (Basic Input Output System) runs in the host, the host is connected with a specified memory in the BMC chip through the LPC2AHB bridge, the LPC2AHB bridge is connected with the host through an LPC bus, and the LPC2AHB bridge is connected with the specified memory through an AHB bus. And independent development of BIOS and BMC chips is facilitated.

Description

technical field [0001] The present invention relates to the technical field of data communication, and more specifically, relates to an asynchronous communication method and system. Background technique [0002] BIOS (Basic Input Output System, basic input and output system), as the bottom layer of the server motherboard, the most direct hardware setting and control manager, can provide more simple and usable functions for the server; specifically, BIOS is a A program solidified on a ROM chip on the motherboard, which stores the most important basic input and output programs of the computer, system setting information, self-test program after power-on and system self-starting program, and its main function is to provide the computer with the lowest level , The most direct hardware setup and control. The BMC (Baseboard Management Controller, baseboard management controller) chip is a chip on the main board of the server, and the server can be remotely controlled and maintain...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F13/38G06F13/40
CPCG06F13/385G06F13/4027G06F13/4068
Inventor 杨霖姚藩益王兵
Owner SHANDONG YINGXIN COMP TECH CO LTD
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