CN101872321B - Main board fault diagnosis card - Google Patents
Main board fault diagnosis card Download PDFInfo
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- CN101872321B CN101872321B CN2009103018063A CN200910301806A CN101872321B CN 101872321 B CN101872321 B CN 101872321B CN 2009103018063 A CN2009103018063 A CN 2009103018063A CN 200910301806 A CN200910301806 A CN 200910301806A CN 101872321 B CN101872321 B CN 101872321B
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- pin
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- chip microcomputer
- finger interface
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- 238000003745 diagnosis Methods 0.000 title claims abstract description 36
- 238000006243 chemical reaction Methods 0.000 claims abstract description 6
- 230000007717 exclusion Effects 0.000 claims description 8
- 239000013078 crystal Substances 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 6
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 abstract 4
- 239000010931 gold Substances 0.000 abstract 4
- 229910052737 gold Inorganic materials 0.000 abstract 4
- 238000010586 diagram Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000013024 troubleshooting Methods 0.000 description 2
- 102100024061 Integrator complex subunit 1 Human genes 0.000 description 1
- 101710092857 Integrator complex subunit 1 Proteins 0.000 description 1
- 241000233805 Phoenix Species 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
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Abstract
The invention discloses a main board fault diagnosis card, which comprises a gold finger interface, a logic unit, a microprocessor unit and a result display unit, wherein the gold finger interface comprises a plurality of gold fingers; the logic unit is connected with the gold finger interface and is used for reading the data of a fixed address port on a main board bus to be tested and converting the data into POST codes; and the microprocessor unit pre-stores the POST codes and text information corresponding to the POST codes, receives the POST codes obtained by the conversion of the logic unit, compares the received POST odes with the pre-stored POST codes so as to query the text information corresponding to the POST codes obtained by the conversion of the logic unit, and displays the POST codes obtained by the conversion of the logic unit and the corresponding text information by the result display unit. The main board fault diagnosis card can conveniently and accurately display the POST codes of the main board fault diagnosis card and the information represented by the POST codes, and shortens time for finding a fault out, along with a simple and easy operation process.
Description
Technical field
The present invention relates to a kind of electronic product diagnostic card, particularly a kind of failure diagnosis card for main board.Background technology
computer system is at startup self-detection (Power On Self Test, POST) in process, BIOS(Basic Input Output System, Basic Input or Output System (BIOS)) can be to ISA(Industry Standard Architecture, industrial standard architectures) 80 ports on bus (fixed address port) send 16 carry system codes, the POST information that different coded representation is different, by continuous access 80 ports, and by LED (Light-Emitting Diode, light emitting diode) display screen demonstrates the POST code, completing POST information shows and fault diagnosis functions, failure diagnosis card for main board just is based on this principle work.Failure diagnosis card for main board is a kind of test card that detects computer glitch, when failure diagnosis card for main board inserts PCI (Peripheral Component Interconnect, peripheral component interconnect) or after the ISA slot, the LED display that carries on failure diagnosis card for main board while starting computer will demonstrate various POST codes according to the progress that starts.
Usually can use failure diagnosis card for main board in mainboard research and development now and test; but at present on the market failure diagnosis card for main board can only be presented at the POST code in the mainboard start process on the display screen that diagnostic card carries; debugging and tester need to take time and inquire about the corresponding Word message of POST code and could learn fast the description of the corresponding error message of POST code; just can know the source of failure; both lost time like this, used also inconvenient.
Summary of the invention
, in view of above content, be necessary to provide a kind of failure diagnosis card for main board, directly to show the represented information of failure diagnosis card for main board POST code.
A kind of failure diagnosis card for main board comprises:
One comprises the golden finger interface of some golden fingers, is used for connecting the corresponding slot on a mainboard to be measured;
One logical block that is connected with described golden finger interface, be used for reading the data of the fixed address port on described main board bus to be measured, and described data be converted to the POST code;
One microprocessor unit, be used for prestoring POST code and Word message corresponding to described POST code, receive the POST code after described logical block is changed, and the POST code of described POST code and its storage inside is compared, to inquire the corresponding Word message of POST code after described logical block is changed;
One display unit as a result, described microprocessor unit POST code and Word message corresponding to described POST code after with described logical block conversion shows by described display unit as a result; And
Whether the signal whether power supply signal that one status display unit that is connected with described golden finger interface, the power pins that is used for showing described golden finger interface offer described diagnostic card normally reaches the slot output that shows on described mainboard to be measured is normal.
compared to prior art, described failure diagnosis card for main board is stored in the POST code of BIOS and Word message corresponding to described POST code in described microprocessor unit, the data of fixed address port on the described main board bus to be measured of described logic unit reads, the Word message of the corresponding described POST code of POST codelookup after described microprocessor unit is changed according to described logical block, and described POST code and corresponding Word message thereof are shown by described display unit as a result, described failure diagnosis card for main board can facilitate and shows accurately failure diagnosis card for main board POST code and represented information thereof, operating process is simply easy, reduced the trouble-shooting time.
Description of drawings
In conjunction with embodiment, the present invention is described in further detail with reference to the accompanying drawings:
Fig. 1 is the block diagram of the preferred embodiments of failure diagnosis card for main board of the present invention.
Fig. 2 A-2B is the circuit diagram of the preferred embodiments of failure diagnosis card for main board of the present invention.
Embodiment
Please refer to Fig. 1, the preferred embodiments of failure diagnosis card for main board of the present invention comprises a golden finger interface 10 with some golden fingers, a logical block 11, a microprocessor unit 13, a display unit 15 and a status display unit 17 as a result.
Described logical block 11 is used for reading fixed address port on a mainboard (not shown) bus to be measured such as the data on 80 ports on isa bus, and described data-switching is become the POST code.Described microprocessor unit 13 be used for storage different B IOS manufacturer as the POST code of PHOENIX, AMI, AWARD etc. and as described in Word message corresponding to POST code, and the POST code after described logical block 11 conversions that will receive and the POST code of its storage compare to inquire the corresponding Word message of described POST code.POST code and Word message corresponding to described POST code after described microprocessor unit 13 is changed described logical block 11 show by described display unit as a result 15.Described status display unit 17 shows the power supply status in described failure diagnosis card for main board 100 courses of work and the signal condition that connects the slot output of described mainboard to be measured.
Please be jointly with reference to figure 2A and Fig. 2 B, the corresponding slot that described golden finger interface 10 connects on described mainboard to be measured, be used for receiving the data on described main board bus to be measured.Described logical block 11 comprises three programmable logic chips (Programmable Logic Device, PLD) 111,112,113.the clock pin CLK of described programmable logic chip 113 and input pin I1-I4 are connected to respectively on golden finger corresponding in described golden finger interface 10, the sheet of described programmable logic chip 113 selects pin OE ground connection, its output pin IO1 is connected to described microprocessor unit 13, its output pin IO0 connects respectively described programmable logic chip 112, 113 clock pin CLK, described programmable logic chip 112, 111 input pin I1-I8 is connected to respectively on golden finger corresponding in described golden finger interface 10, its sheet selects the equal ground connection of pin OE, its output pin IO0-IO7 all is connected to described microprocessor unit 13.
Described microprocessor unit 13 comprises a single-chip microcomputer 130, a crystal oscillator Y and an exclusion 134.Described crystal oscillator Y is used to described single-chip microcomputer 130 that clock signal is provided, and described exclusion 134 comprises some pull-up resistors, and being used for provides the driving signal to the output pin P0.0-P0.7 of described single-chip microcomputer 130.described crystal oscillator Y is serially connected between the clock pin XTAL1 and XTAL2 of described single-chip microcomputer 130, the input pin P1.0-P1.7 of described single-chip microcomputer 130 is connected respectively the output pin IO0-IO7 of described programmable logic chip 111, the interrupt pin INT1 of described single-chip microcomputer 130 connects the output pin IO1 of described programmable logic chip 113, the reception pin RXD of described single-chip microcomputer 130, send pin TXD and interrupt pin INT0 and connect described display unit as a result 15, the input pin P2.0-P2.7 of described single-chip microcomputer 130 is connected respectively the output pin IO0-IO7 of described programmable logic chip 112, the output pin P0.0-P0.7 of described single-chip microcomputer 130 connects respectively an end and the described display unit as a result 15 of some pull-up resistors in described exclusion 134, in described exclusion 134, the other end of some pull-up resistors connects power pins corresponding in described golden finger interface 10.
Described display unit as a result 15 comprises a LCDs (Liquid Crystal Display, LCD) 150 and one variable resistor RP1.The voltage pin VDD of described LCD150 connects power pins corresponding in described golden finger interface 10, its grounding pin VSS ground connection, its I/O pin VEE connects first end a and the second end b of described variable resistor RP1, the 3rd end c ground connection of described variable resistor RP1, the I/O pin RS of described LCD150, RW, E, D0-D7 are connected respectively reception pin RXD, transmission pin TXD, interrupt pin INT0, the output pin P0.0-P0.7 of described single-chip microcomputer 130.Wherein, can regulate by the resistance of regulating described variable resistor RP1 brightness and the contrast of described LCD150.
Described status display unit 17 comprises two light emitting diodes (Lighting Emitting Diode, LED) D1, D2 and two resistance R 1 and R2.The anode of described LED D1 connects power pins corresponding in described golden finger interface 10 through described resistance R 1, its plus earth, and the anode of described LED D2 is connected on golden finger corresponding in described golden finger interface 10 through described resistance R 2, its plus earth.
during test, described failure diagnosis card for main board is plugged in slot corresponding to described mainboard to be measured, on PCI or ISA slot, the described mainboard to be measured of electrifying startup, described single-chip microcomputer 130 reads the BIOS file of described mainboard to be measured and judges described BIOS type, modules and the fixed address port on bus that the BIOS system of described mainboard to be measured detects described mainboard to be measured send data, as 80 ports on bus, described programmable logic chip 111, 112, 113 read the data of described fixed address port and described data are converted to the POST code and export to described single-chip microcomputer 130, described single-chip microcomputer 130 receives described POST code and the POST code of described POST code and its storage inside is compared, to inquire Word message corresponding to described POST code, and control described display unit as a result 15 described POST code and Word message corresponding to described POST code are shown.In test process, described LED D1 receives a high level signal of the power pins output of described golden finger interface 10, whether the power supply signal that offers described diagnostic card for the power pins that shows described golden finger interface 10 is normal, described LED D2 receives the high level signal of described mainboard to be measured by described slot output by described golden finger interface 10, is used for showing whether the signal of described slot output is normal.
In present embodiment, the information of the POST coded representation that inquires is presented on described LCD150 with the form of letter and word, suppose that the POST code is 11, the Word message that this code is corresponding is " mainboard does not have normal self check ", and the information that shows on described LCD150 just is code " 11 " and Word message " mainboard does not have normal self check ".
In sum, described failure diagnosis card for main board can facilitate and shows accurately failure diagnosis card for main board POST code and represented information thereof, facilitates the user to locate failure cause, operating process is simply easy, diagnosis accurately, has reduced the trouble-shooting time rapidly, has good practicality.
Claims (9)
1. failure diagnosis card for main board comprises:
One comprises the golden finger interface of some golden fingers, is used for connecting the corresponding slot on a mainboard to be measured;
One logical block that is connected with described golden finger interface, be used for reading the data on the fixed address port on described main board bus to be measured, and described data be converted to the POST code;
One microprocessor unit, be used for prestoring POST code and Word message corresponding to described POST code, receive the POST code after described logical block is changed, and the POST code of described POST code and its storage inside is compared, to inquire the corresponding Word message of POST code after described logical block is changed;
One display unit as a result, described microprocessor unit POST code and Word message corresponding to described POST code after with described logical block conversion shows by described display unit as a result; And
Whether the signal whether power supply signal that one status display unit that is connected with described golden finger interface, the power pins that is used for showing described golden finger interface offer described diagnostic card normally reaches the slot output that shows on described mainboard to be measured is normal.
2. failure diagnosis card for main board as claimed in claim 1, it is characterized in that: described fixed address port is 80 ports on isa bus.
3. failure diagnosis card for main board as claimed in claim 1 is characterized in that: described golden finger interface is used for being plugged on PCI or the ISA slot on described mainboard to be measured.
4. failure diagnosis card for main board as claimed in claim 3, it is characterized in that: described logical block comprises the first programmable logic chip, the second programmable logic chip and the 3rd programmable logic chip, the clock pin of described the 3rd programmable logic chip and first to fourth input pin are connected to respectively on golden finger corresponding to described golden finger interface, the sheet of described the 3rd programmable logic chip selects pin ground connection, its second output pin connects described microprocessor unit, its first output pin connects respectively the clock pin of described first and second programmable logic chip, the first to the 8th input pin of described first and second programmable logic chip is connected to respectively on golden finger corresponding to described golden finger interface, its sheet selects pin ground connection, its first to the 8th output pin is connected to described microprocessor unit.
5. failure diagnosis card for main board as claimed in claim 4, it is characterized in that: described microprocessor unit comprises a single-chip microcomputer and a crystal oscillator, described crystal oscillator provides clock signal for described single-chip microcomputer, described crystal oscillator is serially connected between the first clock pin and second clock pin of described single-chip microcomputer, the first to the 8th input pin of described single-chip microcomputer is connected respectively the first to the 8th output pin of described the first programmable logic chip, the second interrupt pin of described single-chip microcomputer connects the second output pin of described the 3rd logic chip able to programme, the reception pin of described single-chip microcomputer, send pin and the first interrupt pin and connect described display unit as a result, the the 9th to the 16 input pin of described single-chip microcomputer is connected respectively the first to the 8th output pin of described the second programmable logic chip, the first to the 8th output pin of described single-chip microcomputer connects described display unit as a result.
6. failure diagnosis card for main board as claimed in claim 5, it is characterized in that: described microprocessor unit also comprises an exclusion, described exclusion comprises some pull-up resistors, in described exclusion, an end of some pull-up resistors connects the first to the 8th output pin of described single-chip microcomputer, in described exclusion, the other end of some pull-up resistors connects power pins corresponding in described golden finger interface, and being used for provides the driving signal to the first to the 8th output pin of described single-chip microcomputer.
7. failure diagnosis card for main board as claimed in claim 5, it is characterized in that: described display unit as a result comprises a LCDs, the voltage pin of described LCDs connects power pins corresponding in described golden finger interface, its grounding pin ground connection, the first to the 11 I/O pin of described LCDs are connected respectively reception pin, transmission pin, the first interrupt pin, first to the 8th output pin of described single-chip microcomputer.
8. failure diagnosis card for main board as claimed in claim 7, it is characterized in that: described display unit as a result also comprises a variable resistor, be used for regulating by regulating described variable-resistance resistance brightness and the contrast of described LCDs, the 12 I/O pin of described LCDs connects described variable-resistance first end and the second end, described variable-resistance the 3rd end ground connection.
9. failure diagnosis card for main board as claimed in claim 1, it is characterized in that: described status display unit comprises first, second light emitting diode and first, second resistance, the anode of described the first light emitting diode connects power pins corresponding in described golden finger interface through described the first resistance, its plus earth, the anode of described the second light emitting diode is connected on golden finger corresponding to described golden finger interface through described the second resistance, its plus earth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009103018063A CN101872321B (en) | 2009-04-24 | 2009-04-24 | Main board fault diagnosis card |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009103018063A CN101872321B (en) | 2009-04-24 | 2009-04-24 | Main board fault diagnosis card |
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| CN101872321A CN101872321A (en) | 2010-10-27 |
| CN101872321B true CN101872321B (en) | 2013-11-20 |
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| CN2009103018063A Expired - Fee Related CN101872321B (en) | 2009-04-24 | 2009-04-24 | Main board fault diagnosis card |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102567153A (en) * | 2010-12-27 | 2012-07-11 | 佛山市顺德区顺达电脑厂有限公司 | Detection device of storable POST (power-on self-test) code and method thereof |
| CN102567154A (en) * | 2010-12-27 | 2012-07-11 | 佛山市顺德区顺达电脑厂有限公司 | Diagnosis device with various interfaces and method thereof |
| CN104714536A (en) * | 2013-12-12 | 2015-06-17 | 谢韬 | Multi-functional computer fault diagnosis instrument |
| CN105183602B (en) * | 2015-10-09 | 2018-10-26 | 天津市英贝特航天科技有限公司 | Computer booting fault self-diagnosis and process inquiry unit |
| CN112783704A (en) * | 2021-01-20 | 2021-05-11 | 深圳市智微智能科技股份有限公司 | Novel diagnostic card based on X86 mainboard and diagnostic control method |
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|---|---|---|---|---|
| CN1506821A (en) * | 2002-12-11 | 2004-06-23 | 联想(北京)有限公司 | Detection and display method and device for computer self-test information |
| CN1848094A (en) * | 2005-04-15 | 2006-10-18 | 三星电子株式会社 | Apparatus and method for testing computer system |
| CN1873617A (en) * | 2005-06-03 | 2006-12-06 | 鸿富锦精密工业（深圳）有限公司 | Method and system for recognizing error codes of failure diagnosis card for main board |
| CN101387979A (en) * | 2007-09-13 | 2009-03-18 | 英业达股份有限公司 | Error inspection system and method |
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2009
- 2009-04-24 CN CN2009103018063A patent/CN101872321B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1506821A (en) * | 2002-12-11 | 2004-06-23 | 联想(北京)有限公司 | Detection and display method and device for computer self-test information |
| CN1848094A (en) * | 2005-04-15 | 2006-10-18 | 三星电子株式会社 | Apparatus and method for testing computer system |
| CN1873617A (en) * | 2005-06-03 | 2006-12-06 | 鸿富锦精密工业（深圳）有限公司 | Method and system for recognizing error codes of failure diagnosis card for main board |
| CN101387979A (en) * | 2007-09-13 | 2009-03-18 | 英业达股份有限公司 | Error inspection system and method |
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| CN101872321A (en) | 2010-10-27 |
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Owner name: NANTONG FLY WHALE GENERATING EQUIPMENT CO., LTD. Free format text: FORMER OWNER: HONGFUJIN PRECISE INDUSTRY (SHENZHEN) CO., LTD. Effective date: 20141102 Free format text: FORMER OWNER: HONGFUJIN PRECISE INDUSTRY CO., LTD. Effective date: 20141102 |
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Effective date of registration: 20141102 Address after: 226500, No. 9, former South Road, lower Town, Rugao, Jiangsu Patentee after: NANTONG FLYWHALE GENERATING EQUIPMENT CO., LTD. Address before: 518109 Guangdong city of Shenzhen province Baoan District Longhua Town Industrial Zone tabulaeformis tenth East Ring Road No. 2 two Patentee before: Hongfujin Precise Industry (Shenzhen) Co., Ltd. Patentee before: Hon Hai Precision Industry Co., Ltd. |
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Inventor after: Zheng Xinya Inventor before: Cong Weidong |
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Effective date of registration: 20171222 Address after: 466635 Yan Village 569 after Yan administrative village in Xihua County, Henan Province Patentee after: Zheng Xinya Address before: 226500 Xingyuan South Road, Rugao City, Rugao City, Jiangsu Province, No. 9 Patentee before: NANTONG FLYWHALE GENERATING EQUIPMENT CO., LTD. |
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