CN203433507U - A fault detection device for a computer mainboard - Google Patents

本实用新型提供了一种计算机主板的故障检测装置，属于计算机技术领域。它解决了现有技术中计算机主板检测设备检测工序复杂，体积大携带不方便的问题。本计算机主板的故障检测装置，包括计算机主板的总线和显示器，本故障检测装置还包括接口电路、代码处理模块、通信模块和控制器，接口电路的输入端与总线连接，接口电路的输出端与代码处理模块的输入端连接，代码处理模块的输出端与通信模块的输入端连接，通信模块的输出端与控制器的输入端连接，控制器的输出端与显示器连接。本计算机主板的故障检测装置能够简化对计算机主板的故障检测，结构简单，体积小，便于携带。

The utility model provides a fault detection device for a computer mainboard, which belongs to the technical field of computers. It solves the problems in the prior art that the computer main board testing equipment has complicated testing procedures and is bulky and inconvenient to carry. The fault detection device of the main board of the computer includes a bus and a display of the main board of the computer. The fault detection device also includes an interface circuit, a code processing module, a communication module and a controller. The input end of the interface circuit is connected to the bus, and the output end of the interface circuit is connected to the bus. The input end of the code processing module is connected, the output end of the code processing module is connected with the input end of the communication module, the output end of the communication module is connected with the input end of the controller, and the output end of the controller is connected with the display. The fault detection device for the main board of the computer can simplify the fault detection for the main board of the computer, has simple structure, small volume and is easy to carry.

A kind of failure detector of computer motherboard

Technical field

The utility model belongs to field of computer technology, relates to a kind of failure detector of computer motherboard.

Background technology

In real work, main frame is long-time to be used by often occurring the faults such as interface is loosening, interface burns out, cause main frame to start, need to be to the detecting of computer motherboard technology status, especially for the mainboard of embedded computer, can not carry out under the condition that system disassembles, need to carry out technology status evaluation to mainboard, to out of order mainboard, need to carry out localization of fault fast, form examining report, so that supvr can efficiently determine, dispose and reworking plan.

Therefore, for the problems referred to above, people have carried out widely investigation, at present on market generally use be a kind of be strongly professional mainboard checkout equipment, although this equipment can detect the failure problems that mainboard exists, exist expensive, detection means is complicated, carry the shortcomings such as inconvenient.

Isa bus: Industry Standard Architecture industry standard architecture is that IBM Corporation is the bus standard that PC/AT computer is formulated, and is 16 bit architectures, can only support the I/O equipment of 16, and data transmission rate is approximately 16MB/S.

PCI is the abbreviation of Peripheral Component Interconnect (Peripheral Component Interconnect standard), and it is the most widely used interface in current PC.

Summary of the invention

There are the problems referred to above for existing technology in the utility model, has proposed a kind of failure detector of computer motherboard, and the failure detector of this computer motherboard can be simplified the fault detect to computer motherboard, simple in structure, and volume is little, is easy to carry.

The utility model is realized by following technical proposal: a kind of failure detector of computer motherboard, comprise the bus of computer motherboard and for the display of the fail address code of Display control computer mainboard, it is characterized in that, the failure detector of this computer motherboard also comprises the interface circuit of processing and export data communication signal for receiving the address signal of computer main board bus output, for the data communication signal of receiving interface circuit output, carry out the code process module of analyzing and processing output fault code signal, for receiving fault code signal, process the communication module of output communication signal and process and export for receiving the communication signal of communication module output the controller that control signal is controlled the fail address code of display Display control computer mainboard, the input end of described interface circuit is connected with bus, the output terminal of described interface circuit is connected with the input end of code process module, the output terminal of described code process module is connected with the input end of communication module, the output terminal of described communication module is connected with the input end of controller, the output terminal of described controller is connected with display.

When main frame breaks down, maintainer is connected this device with computer motherboard bus, computer motherboard bus OPADD signal is to interface circuit, interface circuit is processed rear output data communication signal to this address signal, and realize signal and communication by port and code process module, data communication signal is exported to code process module, code process module compares according to data communication signal and its internal code of interface circuit output, thereby judge the fail address code of computer motherboard, and export fault code signal to communication module, communication module is treated to signal of communication by fault code signal and flows to controller, the signal of communication that controller receives communication module output carries out analyzing and processing output control signal and controls display the fail address code of computer motherboard is shown, thereby detect the fault of computer motherboard, easy access personnel overhaul, safeguard.

In the failure detector of above-mentioned computer motherboard, the bus of described computer motherboard is for for exporting the isa bus of ISA address signal or for exporting PCI address signal pci bus.At present computer motherboard bus is generally two kinds of isa bus or pci buss.

In the failure detector of above-mentioned computer motherboard, described interface circuit comprises isa bus interface, pci bus interface, for the ISA address signal that isa bus interface is received, changes into the conversion module of PCI address signal and the PCI address signal of pci bus output and for receiving the address signal of conversion module output, carry out the data outputting module of analyzing and processing outputting data signals, described isa bus interface is connected with isa bus, described pci bus interface is connected with pci bus interface, and described conversion module is connected with data outputting module.Isa bus is connected output ISA address signal with isa bus interface, conversion module changes into PCI address signal by ISA address signal, thereby has improved the practicality of this device.

In the failure detector of above-mentioned computer motherboard, described isa bus interface is arranged on conversion module, is the input end of conversion module.

In the failure detector of above-mentioned computer motherboard, described data outputting module comprises two input ends, is respectively input end one and input end two, and described input end one is connected with the output terminal of conversion module, and described input end two is pci bus interface.

Compared with prior art, the failure detector of this computer motherboard has the following advantages: 1, by interface circuit to computer motherboard communication, read bus address signal, and judge main board failure code address by code process module, simplified the fault detect of computer motherboard, and structure is more simple, and volume is less, and easy access personnel carry; 2, interface circuit can be realized the conversion of isa bus and pci bus, has improved practicality.

Accompanying drawing explanation

Fig. 1 is circuit structure block diagram of the present utility model.

Embodiment

Be below specific embodiment of the utility model by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.

As shown in Figure 1, a kind of failure detector of computer motherboard, comprise the bus of computer motherboard and for the display of the fail address code of Display control computer mainboard, the failure detector of this computer motherboard also comprises the interface circuit of processing and export data communication signal for receiving the address signal of computer main board bus output, for the data communication signal of receiving interface circuit output, carry out the code process module of analyzing and processing output fault code signal, for receiving fault code signal, process the communication module of output communication signal and process and export for receiving the communication signal of communication module output the controller that control signal is controlled the fail address code of display Display control computer mainboard, the input end of described interface circuit is connected with bus, the output terminal of interface circuit is connected with the input end of code process module, the output terminal of code process module is connected with the input end of communication module, the output terminal of communication module is connected with the input end of controller, the output terminal of controller is connected with display, the bus of computer motherboard is for for exporting the isa bus of ISA address signal or for exporting PCI address signal pci bus, interface circuit comprises isa bus interface, pci bus interface, the ISA address signal that is used for that isa bus interface is received changes into the conversion module of PCI address signal and the PCI address signal of pci bus output and for receiving the address signal of conversion module output, carries out the data outputting module of analyzing and processing outputting data signals, isa bus interface is connected with isa bus, pci bus interface is connected with pci bus interface, conversion module is connected with data outputting module, isa bus interface is arranged on conversion module, input end for conversion module, data outputting module comprises two input ends, be respectively input end one and input end two, input end one is connected with the output terminal of conversion module, input end two is pci bus interface, controller is single-chip microcomputer, selecting model is the chip of xc9536, it is faster that this chip is processed frequency, and performance is more stable, display adopts the LCDs that model is NOKIA5110LCD.

The principle of work of the failure detector of this computer motherboard is as follows: when main frame breaks down, maintainer is connected this device with isa bus or the pci bus of computer motherboard, computer motherboard isa bus or pci bus output isa bus address signal or pci bus address signal are to interface circuit, when computer motherboard bus is isa bus, isa bus is connected output ISA address signal with isa bus interface, conversion module changes into PCI address signal by ISA address signal, and the PCI address signal of conversion is flowed to data outputting module, when computer motherboard bus is pci bus, pci bus is directly exported PCI address signal to data outputting module, data outputting module output data communication signal, by port and code process module, realize signal and communication, data communication signal is exported to code process module, code process module compares according to data communication signal and its internal code of data outputting module output, thereby judge the fail address code of computer motherboard, and export fault code signal to communication module, communication module is treated to signal of communication by fault code signal and flows to controller, the signal of communication that controller receives communication module output carries out analyzing and processing output control signal and controls display the fail address code of computer motherboard is shown, thereby detect the fault of computer motherboard, easy access personnel overhaul, safeguard.