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Computer mainboard with failure diagnosis function and LPC interface mainboard failure diagnosis card

A computer motherboard and fault diagnosis technology, which is applied in the detection of faulty computer hardware, computing, and detection of faulty hardware using a boot test, which can solve problems such as difficulty in fault diagnosis of CPCI motherboards and inability to locate quickly.

Pending Publication Date: 2016-05-18
天津浩丞恒通科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In view of this, the present invention aims to propose a computer motherboard with a fault diagnosis function, so as to solve the difficulty in fault diagnosis during the boot process of the CPCI motherboard, and the difficult problem of being unable to quickly locate when troubleshooting on the spot

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  • Computer mainboard with failure diagnosis function and LPC interface mainboard failure diagnosis card

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Embodiment Construction

[0019] It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0020] The invention will be described in detail below with reference to the accompanying drawings and examples.

[0021] A kind of computer motherboard with fault diagnosis function, including computer motherboard body, such as figure 1 As shown, the computer motherboard body is provided with a fault diagnosis CPLD chip, and the fault diagnosis CPLD chip is connected to the South Bridge on the computer motherboard body through the LPC bus; the fault diagnosis CPLD chip is also connected to the onboard LED on the computer motherboard body. Indicator light or connect the LED indicator light interface on the mainboard body of the computer; The present embodiment fault diagnosis CPLD chip connects the onboard LED indicator light on the front panel of the embedded CPCI system through the LED indicator light inte...

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Abstract

The present invention provides a computer mainboard with a failure diagnosis function. The computer mainboard comprises a computer mainboard body. As shown in Figure 1, a failure diagnosis CPLD chip is arranged on the computer mainboard body, the failure diagnosis CPLD chip is connected to a south bridge on the computer mainboard body by means of an LPC bus, and the failure diagnosis CPLD chip is connected to an on-board LED indicator on a front panel of an embedded CPCI system. Compared with the prior art, the present invention has the following advantages: by using the on-board CPLD manner, each block of product has a debug indication interface, and a failure code can be output by means of an on-board light-emitting diode; a standard debug device does need to be used, and a special interface is not needed, and debugging is flexible, and failure positioning can be performed directly on an industrial site, which is convenient and quick, thereby improving maintainability of products; the costs and complexity of product maintenance are reduced; and failures can be positioned rapidly, which shortens response time of product failure isolation.

Description

technical field [0001] The invention belongs to the technical field of computer motherboard testing, and in particular relates to a computer motherboard with a fault diagnosis function. Background technique [0002] The design of the X86 computer system is very complicated. In the booting stage, the basic system initialization and configuration are performed by the BIOS, and then the output display is displayed. Before the display output, there is no way to output the fault during the power-on process of the board through the display terminal; in order to facilitate maintenance and debugging, The traditional BIOS will output a series of diagnostic codes through port 80 during the execution of the BIOS to track the execution process of the BIOS and locate faults during the power-on process of the system. [0003] Traditional PCs generally use motherboard fault diagnosis cards: they use the detection results of the BIOS internal self-test program in the motherboard to display ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F11/22
CPCG06F11/2205G06F11/2284
Inventor 王睿
Owner 天津浩丞恒通科技有限公司
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