CN101551766A - Device and method for displaying BIOS error detecting code - Google Patents
Device and method for displaying BIOS error detecting code Download PDFInfo
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- CN101551766A CN101551766A CNA2008100900974A CN200810090097A CN101551766A CN 101551766 A CN101551766 A CN 101551766A CN A2008100900974 A CNA2008100900974 A CN A2008100900974A CN 200810090097 A CN200810090097 A CN 200810090097A CN 101551766 A CN101551766 A CN 101551766A
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Abstract
The invention discloses a device and a method for displaying a BIOS error detecting code. The device for displaying the BIOS error detecting code comprises a basic input-output system (BIOS), a conversion module and an output module, wherein the basic input-output system is used for generating the error detecting code which is transmitted by a low pin counting (LPC) interface; the conversion module is used for receiving the error detecting code and converting the error detecting code into a system management bus (SMBus) format; and the output module is used for receiving and outputting the error detecting code transmitted by the conversion module, and is a system management bus (SMBus) interface. The device and the method provided in the invention can save the space instead of occupying a plurality of pins for counting in the low pin count (LPC) interface of the prior art. In addition, the error detecting code can be displayed without disassembling a housing of a computer system, thereby greatly improving use convenience.
Description
Technical field
The present invention relates to a kind of apparatus and method that show error-detecging code, particularly relate to a kind of apparatus and method of the BIOS of demonstration error-detecging code.
Background technology
Computer systems etc. are installed on and start or when resetting (reset), Basic Input or Output System (BIOS) (BasicInput Output System, BIOS) can at hardware start shooting selftest (power-on self-test, POST).Wherein, the start selftest is a computer system for can normal operation, before operating system loads, test earlier each partly whether assembly normal, or do not have specific device that the appropriate test action of carrying out is not installed.Behind the selftest of starting shooting, if there are abnormal conditions to produce in the computer system, just can produce so-called error-detecging code (POST code).And, can learn the hardware generation problem of which part, and then repair this abnormal problem point by error-detecging code.
Early stage error-detecging code is sent on the pci bus by system's master chip, again by the equipment decoding that connects pci bus and show this error-detecging code.Now, error-detecging code is sent to low pin-count by system's master chip mostly (checkout equipment by the outside receives and shows this error-detecging code again for Low Pin Count, LPC) interface bus.
When transmitting error-detecging code, need on the motherboard of computer system, reserve a connectivity port, connect and the receiving error detection sign indicating number so that checkout equipment to be provided by low pin-count interface.Because low pin-count interface has 7 signal wires, therefore must take the space of 7 pins (pin).Yet science and technology is showing improvement or progress day by day, and for notebook, lightening demand makes the space in the notebook become quite valuable.Therefore, with causing the connectivity port that low pin-count interface institute must reservation, take the too many space of motherboard.
Moreover, on the conventional art,,, the housing of computing machine must be taken apart, just can finish above-mentioned connection in order to receive and to show error-detecging code for checkout equipment is connected to the connectivity port of the low pin-count interface on the motherboard.So, very inconvenient in the use, and increased the difficulty of operating.
Therefore, known technology proposes to use USB port to transmit the mode of error-detecging code.Yet USB interface must cause before computer system initialization USB device through the initialization ability normal operation of computer system, and USB interface can't operate as normal.If this moment, computer system occurred unusually, then error-detecging code can't transmit.
Moreover known technology also proposes to utilize the LED on the notebook computer system to show the method for error-detecging code.Its way is, uses the built-in LED of notebook, as keyboard light, and power lights, hard disk lamp etc., the mode that adopts the LED combination to show is expressed corresponding error-detecging code.Yet this kind mode, at first the user of service must know the error-detecging code of representative when the LED lamp changes earlier, therefore needs the precondition user of service or makes it check corresponding form, so will increase time cost.
Therefore, how solving the problem that shows the BIOS error-detecging code in the computer system, is a subject under discussion anxious to be solved.
Summary of the invention
In view of this, the present invention proposes a kind of apparatus and method of the BIOS of demonstration error-detecging code.By device proposed by the invention or method, need not must take many pin-count as low pin-count (LPC) interface in the prior art, so can save the configuration in space.Add that the shell that need not take computer system apart can show error-detecging code, with the convenience that significantly promotes on using.
The present invention proposes a kind of device of the BIOS of demonstration error-detecging code, be applied to a computer system, the device of this demonstration BIOS error-detecging code comprises: a Basic Input or Output System (BIOS) (BIOS), and in order to the generation error-detecging code, and error-detecging code is transmitted by low pin-count (LPC) interface; One modular converter, the receiving error detection sign indicating number, and error-detecging code is converted to System Management Bus (SMBus) form; One output module, in order to receive and output by the error-detecging code that modular converter transmitted, and output module is System Management Bus (SMBus) interface.
The present invention also proposes a kind of method of the BIOS of demonstration error-detecging code, comprises the following step: produce error-detecging code by Basic Input or Output System (BIOS) (BIOS); Transmit error-detecging code by low pin-count (LPC) interface; The conversion error-detecging code is System Management Bus (SMBus) form; Provide the output module of System Management Bus (SMBus) interface, in order to receive and the output error-detecging code.
The preferred embodiments of the present invention and effect thereof, following conjunction with figs. explanation.
Description of drawings
Fig. 1: the device first embodiment synoptic diagram that shows the BIOS error-detecging code
Fig. 2: the device second embodiment synoptic diagram that shows the BIOS error-detecging code
Fig. 3 A: device the 3rd embodiment synoptic diagram that shows the BIOS error-detecging code
Fig. 3 B: device the 4th embodiment synoptic diagram that shows the BIOS error-detecging code
Fig. 4: the method flow diagram that shows the BIOS error-detecging code
And the description of reference numerals in the above-mentioned accompanying drawing is as follows:
10: Basic Input or Output System (BIOS)
20: modular converter
30: output module
32: the battery connectivity port
34: the System Management Bus connectivity port
40: detection module
50: display module
Embodiment
Please refer to Fig. 1, this figure is the first embodiment synoptic diagram that shows the device of BIOS error-detecging code.The device of demonstration BIOS error-detecging code proposed by the invention is applied to a computer system, comprises: Basic Input or Output System (BIOS) 10, modular converter 20, output module 30.
Basic Input or Output System (BIOS) on the computer system (Basic Input Output System, BIOS) can detect and initialization action hardware device, and export error-detecging code (power-on self-test, POST Code) respectively according to each stage of trace routine operation.Then BIOS can deliver to error-detecging code on some system bus or the interface according to the hardware device situation of place system.
Therefore, Basic Input or Output System (BIOS) 10 (being designated hereinafter simply as BIOS) proposed by the invention, in order to producing error-detecging code, and error-detecging code (Low Pin Count, LPC) interface (being designated hereinafter simply as the LPC interface) transmits by low pin-count.
The error-detecging code that BIOS produced is sent to modular converter 20 by the LPC interface.When modular converter 20 receiving error detection sign indicating numbers, can be System Management Bus (SMBus) form (being designated hereinafter simply as the SMBus form) by original LPC format conversion with error-detecging code.Wherein, modular converter 20 can be keyboard controller built-in in the general computer system (Keyboard Controller, KBC).Keyboard controller has multiple function, and for example: supervisory keyboard, control screen intensity, control Trackpad (touch pad) etc., wherein, it is the function of SMBus form that keyboard controller itself promptly has conversion LPC form.Therefore, the present invention proposes to utilize keyboard controller as modular converter 20, and is the SMBus form with error-detecging code by the LPC format conversion.
Because it (when not reserving ground signalling, is 2 pins that the SMBus interface need only be reserved 2～3 pins; When reserving ground signalling, be 3 pins), must reserve 7 pins than LPC interface, significantly save the configuration space that motherboard institute must reservation.
Above-mentioned output module 30 can be the battery connectivity port (port) of notebook.Wherein, the battery connectivity port is originally promptly built-in in the notebook, and belongs to the SMBus interface, and function originally is in order to coherent signals such as transmission battery electric quantities.Because, the battery connectivity port of notebook belongs to the SMBus interface, therefore utilize the output module 30 of the built-in battery connectivity port of notebook as the present invention's proposition, so need not increase extra connectivity port, do not need other additional wires yet, therefore can not take the space of motherboard preciousness.Moreover, receive and the output error-detecging code by the battery connectivity port, when external device (ED) need read this error-detecging code, need only connect the battery connectivity port and promptly can read, no longer must disassemble casing as prior art, therefore operation is gone up very convenient.
In addition, output module 30 also can be the System Management Bus connectivity port of extra reservation.At this moment, the space that need only reserve 2～3 pins on motherboard gets final product, and adopts the mode of reserving the LPC interface compared with prior art, and device proposed by the invention can be reduced to signal wire 2～3.So, can save the configuration space on the motherboard, also make the more elastification of putting position of connectivity port.
Please refer to Fig. 2, be the second embodiment synoptic diagram of the device that shows the BIOS error-detecging code.Illustrate among second embodiment that output module 30 can comprise the battery connectivity port 32 of notebook simultaneously, and the situation of the extra System Management Bus connectivity port of reserving 34.Under this situation, show that the device of BIOS error-detecging code also comprises: detection module 40.
Whether the battery that detection module 40 detects notebook connects the battery connectivity port, and produces detection signal.Wherein, detection signal can be represented following two kinds of situations respectively.When detection signal represented that the battery of notebook does not connect battery connectivity port 32, error-detecging code just can be received and output by battery connectivity port 32; Relative, represent that when detection signal the battery of notebook has connected battery connectivity port 32, error-detecging code just can be received and output by System Management Bus connectivity port 34.And the dotted line among Fig. 2 is represented, according to the detection signal of detection module 40, error-detecging code can be received and be exported by battery connectivity port 32, System Management Bus connectivity port 34 both one of them.
Aforementioned calculation machine system can be notebook or desk-top computer.Because desk-top computer does not have battery connectivity port 32, therefore when being applied to desk-top computer, output module 30 can adopt the System Management Bus connectivity port 34 of extra reservation.At this moment, the error-detecging code after modular converter 20 conversions is just received and is exported by System Management Bus connectivity port 34.
Please be simultaneously with reference to Fig. 3 A and Fig. 3 B, be third and fourth embodiment synoptic diagram of the device that shows the BIOS error-detecging code.In this case, also comprise display module 50.
Please refer to Fig. 4, this figure is depicted as the method flow diagram that shows the BIOS error-detecging code, comprises the following step.
Step S10: produce error-detecging code by Basic Input or Output System (BIOS) (BIOS).
Step S20: transmit error-detecging code by low pin-count (LPC) interface.
Step S30: the conversion error-detecging code is System Management Bus (SMBus) form.
Step S40: provide the output module of System Management Bus (SMBus) interface, in order to receive and the output error-detecging code.Wherein, output module can be the battery connectivity port (port) of notebook, or the extra System Management Bus connectivity port of reserving (port).
In addition, output module also can comprise the battery connectivity port of notebook simultaneously, and the extra System Management Bus connectivity port of reserving.In this case, also comprise the following step: whether the battery that detects notebook connects the battery connectivity port, and produces detection signal.Wherein, when detection signal represented that the battery of notebook does not connect the battery connectivity port, error-detecging code was received and output by the battery connectivity port.Relative, when detection signal represented that the battery of notebook has connected the battery connectivity port, error-detecging code was received and output by the System Management Bus connectivity port.
Moreover, read in order to make the available personnel of error-detecging code, can comprise the following step: provide display module to connect output module; Show error-detecging code.So, the user of service can read error-detecging code by display module.
Though technology contents of the present invention with preferred embodiment openly as above; yet it is not in order to limit the present invention; any those skilled in the art; do not breaking away from change and the retouching that spirit of the present invention is done; all should contain within the scope of the invention, so the content that protection scope of the present invention is worked as with accompanying Claim is as the criterion.
Claims (19)
1. a device that shows the BIOS error-detecging code is applied to a computer system, and the device of this demonstration BIOS error-detecging code comprises:
One basic input-output system BIOS, in order to producing an error-detecging code, and this error-detecging code is transmitted by a low pin-count interface;
One modular converter receives this error-detecging code, and this error-detecging code is converted to system management bus format; And
One output module, in order to receive and output by this error-detecging code that this modular converter transmitted, and this output module is the System Management Bus interface.
2. the device of demonstration BIOS error-detecging code as claimed in claim 1, wherein this output module is a battery connectivity port of notebook.
3. the device of demonstration BIOS error-detecging code as claimed in claim 1, wherein this output module is an extra System Management Bus connectivity port of reserving.
4. the device of demonstration BIOS error-detecging code as claimed in claim 1, wherein this output module comprises a battery connectivity port of notebook, and an extra System Management Bus connectivity port of reserving.
5. the device of demonstration BIOS error-detecging code as claimed in claim 4 also comprises:
One detection module, whether the battery that detects notebook connects this battery connectivity port, and produces a detection signal.
6. the device of demonstration BIOS error-detecging code as claimed in claim 5, wherein this detection signal represents that the battery of notebook does not connect this battery connectivity port, this error-detecging code is received and output by this battery connectivity port.
7. the device of demonstration BIOS error-detecging code as claimed in claim 5, wherein this detection signal represents that the battery of notebook has connected this battery connectivity port, this error-detecging code is received and output by this System Management Bus connectivity port.
8. the device of demonstration BIOS error-detecging code as claimed in claim 1, wherein this modular converter is a keyboard controller.
9. the device of demonstration BIOS error-detecging code as claimed in claim 1, wherein this computer system is a notebook.
10. the device of demonstration BIOS error-detecging code as claimed in claim 1, wherein this computer system is a desk-top computer.
11. the device of demonstration BIOS error-detecging code as claimed in claim 1 also comprises:
One display module in order to connecting this output module, and shows this error-detecging code.
12. a method that shows the BIOS error-detecging code comprises the following step:
Produce an error-detecging code by a basic input-output system BIOS;
Transmit this error-detecging code by a low pin-count interface;
Changing this error-detecging code is system management bus format; And
Provide an output module of System Management Bus interface, in order to receive and to export this error-detecging code.
13. the method for demonstration BIOS error-detecging code as claimed in claim 12, wherein this output module is a battery connectivity port of notebook.
14. the method for demonstration BIOS error-detecging code as claimed in claim 12, wherein this output module is an extra System Management Bus connectivity port of reserving.
15. the method for demonstration BIOS error-detecging code as claimed in claim 12, wherein this output module comprises a battery connectivity port of notebook, and an extra System Management Bus connectivity port of reserving.
16. the method for demonstration BIOS error-detecging code as claimed in claim 15 also comprises the following step:
Whether the battery that detects notebook connects this battery connectivity port, and produces a detection signal.
17. the method for demonstration BIOS error-detecging code as claimed in claim 16, when wherein this detection signal represented that the battery of notebook does not connect this battery connectivity port, this error-detecging code was received and output by this battery connectivity port.
18. the method for demonstration BIOS error-detecging code as claimed in claim 16, when wherein this detection signal represented that the battery of notebook has connected this battery connectivity port, this error-detecging code was received and output by this System Management Bus connectivity port.
19. the method for demonstration BIOS error-detecging code as claimed in claim 12 also comprises the following step:
Provide a display module to connect this output module; And
Show this error-detecging code.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100900974A CN101551766A (en) | 2008-04-02 | 2008-04-02 | Device and method for displaying BIOS error detecting code |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100900974A CN101551766A (en) | 2008-04-02 | 2008-04-02 | Device and method for displaying BIOS error detecting code |
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| CN101551766A true CN101551766A (en) | 2009-10-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA2008100900974A Pending CN101551766A (en) | 2008-04-02 | 2008-04-02 | Device and method for displaying BIOS error detecting code |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103176759A (en) * | 2011-12-20 | 2013-06-26 | 鸿富锦精密工业（深圳）有限公司 | BIOS POST code display system and BIOS POST code display method |
| CN104035844A (en) * | 2013-03-04 | 2014-09-10 | 联想(北京)有限公司 | Fault testing method and electronic device |
| CN106326043A (en) * | 2015-06-23 | 2017-01-11 | 联想(北京)有限公司 | USB based diagnosis device and method |
| CN110199290A (en) * | 2017-02-01 | 2019-09-03 | 惠普发展公司，有限责任合伙企业 | It is detected using the intrusion of ambient light sensor and super input/output circuitry |
| CN113391939A (en) * | 2021-06-11 | 2021-09-14 | 深圳市同泰怡信息技术有限公司 | Method, device and computer equipment for recording basic input and output system information |
-
2008
- 2008-04-02 CN CNA2008100900974A patent/CN101551766A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103176759A (en) * | 2011-12-20 | 2013-06-26 | 鸿富锦精密工业（深圳）有限公司 | BIOS POST code display system and BIOS POST code display method |
| CN104035844A (en) * | 2013-03-04 | 2014-09-10 | 联想(北京)有限公司 | Fault testing method and electronic device |
| CN106326043A (en) * | 2015-06-23 | 2017-01-11 | 联想(北京)有限公司 | USB based diagnosis device and method |
| CN110199290A (en) * | 2017-02-01 | 2019-09-03 | 惠普发展公司，有限责任合伙企业 | It is detected using the intrusion of ambient light sensor and super input/output circuitry |
| CN110199290B (en) * | 2017-02-01 | 2024-03-22 | 惠普发展公司，有限责任合伙企业 | Intrusion detection system utilizing ambient light sensor and super input/output circuitry |
| CN113391939A (en) * | 2021-06-11 | 2021-09-14 | 深圳市同泰怡信息技术有限公司 | Method, device and computer equipment for recording basic input and output system information |
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Open date: 20091007 |