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Debugging method by using serial port when system is in shutdown time and inactive state

A standby state, serial port technology, used in error detection/correction, detection of faulty computer hardware, instruments, etc. question

Inactive Publication Date: 2003-03-05
INVENTEC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] However, the above-mentioned prior art often only performs troubleshooting when the computer system is turned on, and cannot perform troubleshooting when the system is turned off (power off) or in a standby state. In this way, the efficiency of system troubleshooting is reduced. Big discount
Moreover, generally only numerical data can be transmitted, but not character string data. Therefore, while troubleshooting, the definition of numerical error codes must also be opened

Method used

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  • Debugging method by using serial port when system is in shutdown time and inactive state
  • Debugging method by using serial port when system is in shutdown time and inactive state
  • Debugging method by using serial port when system is in shutdown time and inactive state

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Embodiment Construction

[0016] Please refer to figure 1 , a system architecture diagram of the present invention using a serial port for debugging when the system is shut down and in standby state. The target system 11 of the present invention includes a BIOS 16, a target serial port 13, a switch 17, and the like. The remote system 12 includes a remote serial port 14 and monitoring software 15 . The connection line 18 is used to connect the remote serial port 14 and the target serial port 13 .

[0017] In the target system, BIOS16 includes a pre-compiled shutdown debug program and a standby debug program, that is, when the system firmware BIOS16 is produced, the two debug programs are added to the burning work of the BIOS16 program code in advance. The shutdown debugging program debugs the BIOS 16 of the system when the system is shut down; the standby debugging program debugs the BIOS 16 of the system when the system is in a standby state.

[0018] In addition, the debug program code provided by ...

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Abstract

The invention provides a method of obviating errors with the serial port when the system is shut off and in the stand-by state. At first the nivention complies the obviating program for shutting off and stand-by in BIOS, and utilize the electrical source management to supply the electrical source to BIOS and the serial port when the system is shut off; provides the switch with the output state ofthe serial port of the object-switching system; utilizes the wire to connect the far-end system and the close-end one, and open the watching software in the far-end system, and then utilizes the far-end system to watch the error-obviating state of BIOS of the object system. The invention can make the local-end system similary perform the error-obviating work when the system is opened or in the stand-by state, which can make the error-obviating work more effective.

Description

technical field [0001] The present invention is a method for troubleshooting with a serial port when the system is shut down and in standby state, and is mainly used for troubleshooting the basic input and output system (BIOS) of a computer system. Background technique [0002] When the computer is turned on, the computer system first searches for a Basic Input Output System (BIOS) program, executes the program, and then enters the booting procedure. BIOS is firmware (firmware), and the computer system must pass the basic program code contained in it to allow hardware and software to communicate with each other. The role of the BIOS in the computer system is to initialize, install, and parametric all peripheral systems. Then, the BIOS will perform the P.O.S.Tpower On Self Test (P.O.S.Tpower On Self Test) for the computer system. After completing all the startup procedures related to the peripherals, the BIOS will start to find the location of the operating system, and then ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F11/273
CPCG06F11/2294
Inventor 唐志谦
Owner INVENTEC CORP
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