CN108089959B - Mainboard detection circuit and electronic device applying same - Google Patents
Mainboard detection circuit and electronic device applying same Download PDFInfo
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- CN108089959B CN108089959B CN201611032950.8A CN201611032950A CN108089959B CN 108089959 B CN108089959 B CN 108089959B CN 201611032950 A CN201611032950 A CN 201611032950A CN 108089959 B CN108089959 B CN 108089959B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/22—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing
- G06F11/26—Functional testing
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/30—Monitoring
- G06F11/3003—Monitoring arrangements specially adapted to the computing system or computing system component being monitored
- G06F11/3031—Monitoring arrangements specially adapted to the computing system or computing system component being monitored where the computing system component is a motherboard or an expansion card
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/30—Monitoring
- G06F11/32—Monitoring with visual or acoustical indication of the functioning of the machine
- G06F11/324—Display of status information
- G06F11/327—Alarm or error message display
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Abstract
The mainboard detection circuit is used for detecting the running state of an electronic element on a mainboard in an electronic device and comprises a super input and output chip and a control chip, wherein the super input and output chip detects the error information of the electronic element in real time and outputs a corresponding data switching signal to the control chip according to the detected error information, and the control chip controls the super input and output chip and external equipment to perform data transmission according to the received data switching signal. The invention also provides a resistance device applying the mainboard detection circuit. The mainboard detection circuit and the electronic device applying the mainboard detection circuit can transmit the detected error information to the external equipment in real time so as to inform the user of the error generated by the electronic element in time.
Description
Technical Field
The invention relates to a mainboard detection circuit and an electronic device applying the same.
Background
In the conventional computer system, there are normally a normal operation state (S0) and a sleep state (S4), and when the super i/o chip receives an error and warning message from the electronic device, an error data is generated and sent to the user to remind the user of an error event.
However, the usb interface is not powered when the computer is in the S4 state, so that the user cannot be informed of an error in time when the system generates an error.
Disclosure of Invention
In view of the foregoing, it is desirable to provide a motherboard detection circuit for transmitting detection information in real time and an electronic device using the motherboard detection circuit.
A mainboard detection circuit is applied to an electronic device and is used for detecting the running state of an electronic element on a mainboard in the electronic device, and the mainboard detection circuit comprises:
the connection port is used for connecting an external device and works at a first working voltage or a second working voltage;
the super input/output chip is used for detecting the error information of the electronic element in real time and outputting a corresponding data switching signal according to the detected error information; the super input and output chip also outputs a corresponding power supply control signal according to the running state of the mainboard;
the control chip is used for receiving the data switching signal output by the super input/output chip and controlling the super input/output chip to carry out data transmission with the external equipment through the connecting port according to the received data switching signal; and
and the power supply control module is used for receiving the power supply control signal output by the super input/output chip and providing a first working voltage or a second working voltage for the connecting port according to the received power supply control signal.
When the mainboard is in a first running state, the super input/output chip outputs a high-level power control signal to the power supply control module, and the power supply control module provides the first working voltage for the connection port after receiving the high-level power control signal; when the super input/output chip does not detect the error information of the electronic element, the super input/output chip outputs a high-level data switching signal to the control chip, and the control chip controls the platform control center chip to perform data transmission with external equipment through the connection port; when the super input/output chip detects error information of the electronic element, the super input/output chip outputs a low-high level data switching signal to the control chip, and the control chip controls the super input/output chip to perform data transmission with external equipment through the connection port and transmits the detected error information to the external equipment.
Further, when the motherboard is in a second operating state, the super input/output chip outputs a low-level power control signal to the power supply control module, and the power supply control module receives the low-level power control signal and outputs the second working voltage to supply power to the connection port; when the super input/output chip does not detect the error information of the electronic element, the super input/output chip outputs a high-level data switching signal to the control chip, and the control chip controls the platform control center chip to perform data transmission with external equipment through the connection port; when the super input/output chip detects error information of the electronic element, the super input/output chip outputs a low-high level data switching signal to the control chip, and the control chip controls the super input/output chip to perform data transmission with external equipment through the connection port and transmits the detected error information to the external equipment.
Furthermore, a first data pin and a second data pin of the platform control center chip are respectively and correspondingly connected with a first data pin and a second data pin of the control chip, a first data pin and a second data pin of the super input/output chip are respectively and correspondingly connected with a third data pin and a fourth data pin of the control chip, a third data switching pin of the super input/output chip is connected to a fourth data switching pin of the control chip through a first resistor, a trigger pin of the super input/output chip is also connected to a power supply through a second resistor, a power supply control pin of the super input/output chip is connected to the power supply control module through a third resistor, and a power supply control pin of the super input/output chip is also connected to the power supply through a fourth resistor, the power pin of the control chip is connected to the power supply, the power pin of the control chip is grounded through a first capacitor, the ground pin, the first state pin and the second state pin of the control chip are grounded, and the fifth data pin and the sixth data pin of the control chip are connected to the connection port.
Furthermore, a power pin of the connection port is connected to the power supply control module, a first data pin and a second data pin of the connection port are respectively and correspondingly connected with a fifth data pin and a sixth data pin of the control chip, and a ground pin of the connection port is grounded.
Further, the connection port is a universal serial bus interface.
Furthermore, the power supply control module comprises a power supply switching chip, a first power supply and a second power supply, a power supply switching pin of the power supply switching chip is connected to a power supply control pin of the super input/output chip, a first voltage input pin of the power supply switching chip is connected to a first power supply voltage pin of the first power supply, a second power supply voltage pin of the first power supply is suspended, a second voltage input pin of the power supply switching chip is connected to a second power supply voltage pin of the second power supply, the first power supply voltage pin of the second power supply is suspended, a voltage output pin of the power supply switching chip is connected to the power supply pin of the connection port, and the voltage output pin of the power supply switching chip is grounded through a second capacitor.
An electronic device includes a main board detection circuit and an electronic component, wherein the main board detection circuit is used for detecting an operation state of the electronic component, and the main board detection circuit includes:
the connection port is used for connecting an external device and works at a first working voltage or a second working voltage;
the super input/output chip is used for detecting the error information of the electronic element in real time and outputting a corresponding data switching signal according to the detected error information; the super input and output chip also outputs a corresponding power supply control signal according to the running state of a mainboard in the electronic device;
the control chip is used for receiving the data switching signal output by the super input/output chip and controlling the super input/output chip to perform data transmission with the external equipment through the connection port according to the received data switching signal; and
and the power supply control module is used for receiving the power supply control signal output by the super input/output chip and providing a first working voltage or a second working voltage for the connecting port according to the received power supply control signal.
When the mainboard is in a first running state, the super input/output chip outputs a high-level power control signal to the power supply control module, and the power supply control module provides the first working voltage for the connection port after receiving the high-level power control signal; when the super input/output chip does not detect the error information of the electronic element, the super input/output chip outputs a high-level data switching signal to the control chip, and the control chip controls the platform control center chip to perform data transmission with external equipment through the connection port; when the super input/output chip detects error information of the electronic element, the super input/output chip outputs a low-high level data switching signal to the control chip, and the control chip controls the super input/output chip to perform data transmission with external equipment through the connection port and transmits the detected error information to the external equipment.
Further, when the motherboard is in a second operating state, the super input/output chip outputs a low-level power control signal to the power supply control module, and the power supply control module receives the low-level power control signal and outputs the second working voltage to supply power to the connection port; when the super input/output chip does not detect the error information of the electronic element, the super input/output chip outputs a high-level data switching signal to the control chip, and the control chip controls the platform control center chip to perform data transmission with external equipment through the connection port; when the super input/output chip detects error information of the electronic element, the super input/output chip outputs a low-high level data switching signal to the control chip, and the control chip controls the super input/output chip to perform data transmission with external equipment through the connection port and transmits the detected error information to the external equipment.
The mainboard detection circuit and the electronic device applying the mainboard detection circuit detect error information of electronic elements on a mainboard through the super input and output chip, and transmit the detected error information to external equipment through the control chip and the connection port when the mainboard is in a first working state or a second working state. Therefore, the detected error information can be transmitted to the external equipment in the shutdown or dormancy state of the mainboard, so that the error generated by the electronic element can be timely notified to a user.
Drawings
FIG. 1 is a block diagram of a preferred embodiment of an electronic device.
Fig. 2 is a block diagram of a preferred embodiment of the motherboard detection circuit of fig. 1.
Fig. 3 is a circuit diagram of a preferred embodiment of the motherboard detection circuit in fig. 1.
Description of the main elements
PCH chip 10
SIO chip 20
Power supply control module 50
First to second capacitances C1-C2
First to fourth resistors R1-R4
The following detailed description will further illustrate the invention in conjunction with the above-described figures.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the main board detection circuit and the electronic device using the same of the present invention will be described in detail with reference to the accompanying drawings and embodiments.
Referring to fig. 1, in an embodiment, a motherboard detection circuit 100 is applied to an electronic device 200 for detecting an operating state of an electronic component 300 in the electronic device 200.
In one embodiment, the electronic device 200 is a desktop computer. In other embodiments, the electronic device 200 is a notebook computer.
The electronic component 300 may be a hard disk on a motherboard, or may be another circuit component on the motherboard.
Referring to fig. 2, the main board detection circuit 100 includes a PCH (Platform control Hub) chip 10, a SIO (Super Input Output) chip 20, a control chip 30, a connection port 40, and a power supply control module 50.
The SIO chip 20 is configured to detect an error message of the electronic device 300, and output a corresponding data switching signal to the control chip 30 according to the detected error message.
The control chip 30 is configured to receive a data switching signal output by the SIO chip 20, and switch data transmission between the SIO chip 20 and the PCH chip 10 and the connection port 40 according to the received data switching signal.
The SIO chip 20 outputs a corresponding power control signal to the power control module 50 according to the operating state of the motherboard.
The power supply control module 50 provides different power supply voltages to the connection port 40 according to the received power supply control signal.
Referring to fig. 3, two data pins USB _ N and USB _ P of the PCH chip 10 are correspondingly connected to two data pins 1D-and 1D + of the control chip 30, respectively.
The two data pins USB _ N and USB _ P of the SIO chip 20 are correspondingly connected to the two data pins 2D-and 2D + of the control chip 30, the data switch pin USB _ SW of the SIO chip 20 is connected to the data switch pin S of the control chip 30 through a first resistor R1, the trigger pin USB _ SW of the SIO chip 20 is further connected to a +3P3V _ LPS power supply through a second resistor R2, the power control pin USB _ PWR _ SW of the SIO chip 20 is connected to the power supply control module 50 through a third resistor R3, and the power control pin USB _ PWR _ SW of the SIO chip 20 is further connected to the +3P3V _ LPS power supply through a fourth resistor R4.
The power pin VCC of the control chip 30 is connected to the +3P3V _ LPS power supply, the power pin VCC of the control chip 30 is also grounded through a first capacitor C1, the ground pin GND, the first status pin EPAD and the second status pin OE # of the control chip 30 are all grounded, and the two data pins 3D-and 1D + of the control chip 30 are all connected to the connection port 40.
A power pin PWR of the connection port 40 is connected to the power supply control module 50, two data pins USB _ N and USB _ P of the connection port 40 are correspondingly connected to two data pins 3D-and 1D + of the control chip 30, respectively, and a ground pin GND of the connection port 40 is grounded.
In one embodiment, the connection port 40 is a USB (Universal Serial Bus) interface.
The power supply control module 50 includes a power switching chip 52, a first power source 54 and a second power source 56.
The power switch pin SW of the power switch chip 52 is connected to the power control pin USB _ PWR _ SW of the SIO chip 20, the first voltage Input pin Input1 of the power switch chip 52 is connected to the first power supply voltage pin +5V of the first power supply 54, the second power supply voltage pin +5V _ SB of the first power supply 54 is floating, the second voltage Input pin Input2 of the power switch chip 52 is connected to the second power supply voltage pin +5V _ SB of the second power supply 56, the first power supply voltage pin +5V of the second power supply 56 is floating, the voltage Output pin Output of the power switch chip 52 is connected to the power supply pin PWR of the connection port 40, and the voltage Output pin Output of the power switch chip 52 is also grounded through a second capacitor C2.
The operation of the electronic device 200 will be described as follows:
when the motherboard is in a normal operation state, the power control pin USB _ PWR _ SW of the SIO chip 20 outputs a high-level power control signal to the power switching pin SW of the power switching chip 52, and the power switching chip 52 receives the high-level power control signal and then provides the +5V _ Main power provided by the first power 54 to the connection port 40. When the SIO chip 20 does not detect the error information of the electronic component 300, the data switch pin USB _ SW of the SIO chip 20 outputs a high-level data switch signal to the data switch pin S of the control chip 20, and the control chip 20 controls the PCH chip 10 to perform data transmission with an external device through the connection port 40; when the SIO chip 20 detects the error information of the electronic component 300, the data switch pin USB _ SW of the SIO chip 20 outputs a low-high level data switch signal to the data switch pin S of the control chip 20, and the control chip 20 controls the SIO chip 10 to perform data transmission with an external device through the connection port 40, and transmits the detected error information to the external device.
When the motherboard is in the shutdown or sleep state, the power control pin USB _ PWR _ SW of the SIO chip 20 outputs a low-level power control signal to the power switching pin SW of the power switching chip 52, and the power switching chip 52 receives the low-level power control signal and then provides the +5V _ SB power provided by the second power supply 54 to the connection port 40. When the SIO chip 20 does not detect the error information of the electronic component 300, the data switch pin USB _ SW of the SIO chip 20 outputs a high-level data switch signal to the data switch pin S of the control chip 20, and the control chip 20 controls the PCH chip 10 to perform data transmission with an external device through the connection port 40; when the SIO chip 20 detects the error information of the electronic component 300, the data switch pin USB _ SW of the SIO chip 20 outputs a low-high level data switch signal to the data switch pin S of the control chip 20, and the control chip 20 controls the SIO chip 10 to perform data transmission with an external device through the connection port 40, and transmits the detected error information to the external device.
The above-mentioned motherboard detection circuit and the electronic device using the motherboard detection circuit detect the error information of the electronic component 300 on the motherboard through the SIO, and transmit the detected error information to the external device through the connection port 40 when the motherboard is in the shutdown or sleep state. Therefore, the detected error information can be transmitted to the external equipment in the shutdown or dormancy state of the mainboard, so that the error generated by the electronic element can be timely notified to a user.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and are not limited, although the present invention is described in detail with reference to the preferred embodiments. It will be understood by those skilled in the art that various modifications and equivalent arrangements can be made without departing from the spirit and scope of the present invention. Moreover, based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without any creative effort will fall within the protection scope of the present invention.
Claims (10)
1. A mainboard detection circuit is applied to an electronic device and is used for detecting the running state of an electronic element on a mainboard in the electronic device, and the mainboard detection circuit is characterized in that: the main board detection circuit includes:
the connection port is used for connecting an external device and works at a first working voltage or a second working voltage;
the super input/output chip is used for detecting the error information of the electronic element in real time and outputting a corresponding data switching signal according to the detected error information; the super input and output chip also outputs a corresponding power supply control signal according to the running state of the mainboard;
the control chip is used for receiving the data switching signal output by the super input/output chip and controlling the super input/output chip to carry out data transmission with the external equipment through the connecting port according to the received data switching signal; and
and the power supply control module is used for receiving the power supply control signal output by the super input/output chip and providing a first working voltage or a second working voltage for the connecting port according to the received power supply control signal.
2. The motherboard detection circuit of claim 1, wherein: the mainboard detection circuit further comprises a platform control center chip, when the mainboard is in a first running state, the super input and output chip outputs a high-level power control signal to the power supply control module, and the power supply control module provides the first working voltage for the connection port after receiving the high-level power control signal; when the super input/output chip does not detect the error information of the electronic element, the super input/output chip outputs a high-level data switching signal to the control chip, and the control chip controls the platform control center chip to perform data transmission with external equipment through the connection port; when the super input/output chip detects error information of the electronic element, the super input/output chip outputs a low-high level data switching signal to the control chip, and the control chip controls the super input/output chip to perform data transmission with external equipment through the connection port and transmits the detected error information to the external equipment.
3. The motherboard detection circuit of claim 2, wherein: when the mainboard is in a second running state, the super input and output chip outputs a low-level power supply control signal to the power supply control module, and the power supply control module outputs the second working voltage to supply power to the connection port after receiving the low-level power supply control signal; when the super input/output chip does not detect the error information of the electronic element, the super input/output chip outputs a high-level data switching signal to the control chip, and the control chip controls the platform control center chip to perform data transmission with external equipment through the connection port; when the super input/output chip detects error information of the electronic element, the super input/output chip outputs a low-high level data switching signal to the control chip, and the control chip controls the super input/output chip to perform data transmission with external equipment through the connection port and transmits the detected error information to the external equipment.
4. The motherboard detection circuit of claim 3, wherein: the first data pin and the second data pin of the platform control center chip are respectively and correspondingly connected with the first data pin and the second data pin of the control chip, the first data pin and the second data pin of the super input/output chip are respectively and correspondingly connected with the third data pin and the fourth data pin of the control chip, the third data switching pin of the super input/output chip is connected to the fourth data switching pin of the control chip through a first resistor, the trigger pin of the super input/output chip is also connected to a power supply through a second resistor, the power control pin of the super input/output chip is connected to the power supply control module through a third resistor, the power control pin of the super input/output chip is also connected to the power supply through a fourth resistor, and the power pin of the control chip is connected to the power supply, the power supply pin of the control chip is grounded through a first capacitor, the ground pin, the first state pin and the second state pin of the control chip are grounded, and the fifth data pin and the sixth data pin of the control chip are connected to the connection port.
5. The motherboard detection circuit of claim 4, wherein: and a power supply pin of the connection port is connected to the power supply control module, a first data pin and a second data pin of the connection port are correspondingly connected with a fifth data pin and a sixth data pin of the control chip respectively, and a grounding pin of the connection port is grounded.
6. The motherboard detection circuit of claim 5, wherein: the connection port is a universal serial bus interface.
7. The motherboard detection circuit of claim 5, wherein: the power supply control module comprises a power supply switching chip, a first power supply and a second power supply, wherein a power supply switching pin of the power supply switching chip is connected to a power supply control pin of the super input/output chip, a first voltage input pin of the power supply switching chip is connected to a first power supply voltage pin of the first power supply, a second power supply voltage pin of the first power supply is suspended, a second voltage input pin of the power supply switching chip is connected to a second power supply voltage pin of the second power supply, a first power supply voltage pin of the second power supply is suspended, a voltage output pin of the power supply switching chip is connected to a power supply pin of the connection port, and a voltage output pin of the power supply switching chip is grounded through a second capacitor.
8. An electronic device comprises a mainboard detection circuit and an electronic element, wherein the mainboard detection circuit is used for detecting the running state of the electronic element, and the electronic device is characterized in that: the mainboard detection circuit comprises:
the connection port is used for connecting an external device and works at a first working voltage or a second working voltage;
the super input/output chip is used for detecting the error information of the electronic element in real time and outputting a corresponding data switching signal according to the detected error information; the super input and output chip also outputs a corresponding power supply control signal according to the running state of a mainboard in the electronic device;
the control chip is used for receiving the data switching signal output by the super input/output chip and controlling the super input/output chip to carry out data transmission with the external equipment through the connecting port according to the received data switching signal; and
and the power supply control module is used for receiving the power supply control signal output by the super input/output chip and providing a first working voltage or a second working voltage for the connecting port according to the received power supply control signal.
9. The electronic device of claim 8, wherein: the mainboard detection circuit further comprises a platform control center chip, when the mainboard is in a first running state, the super input and output chip outputs a high-level power control signal to the power supply control module, and the power supply control module provides the first working voltage for the connection port after receiving the high-level power control signal; when the super input/output chip does not detect the error information of the electronic element, the super input/output chip outputs a high-level data switching signal to the control chip, and the control chip controls the platform control center chip to perform data transmission with external equipment through the connection port; when the super input/output chip detects error information of the electronic element, the super input/output chip outputs a low-high level data switching signal to the control chip, and the control chip controls the super input/output chip to perform data transmission with external equipment through the connection port and transmits the detected error information to the external equipment.
10. The electronic device of claim 9, wherein: when the mainboard is in a second running state, the super input and output chip outputs a low-level power supply control signal to the power supply control module, and the power supply control module outputs the second working voltage to supply power to the connection port after receiving the low-level power supply control signal; when the super input/output chip does not detect the error information of the electronic element, the super input/output chip outputs a high-level data switching signal to the control chip, and the control chip controls the platform control center chip to perform data transmission with external equipment through the connection port; when the super input/output chip detects error information of the electronic element, the super input/output chip outputs a low-high level data switching signal to the control chip, and the control chip controls the super input/output chip to perform data transmission with external equipment through the connection port and transmits the detected error information to the external equipment.
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| CN201611032950.8A CN108089959B (en) | 2016-11-22 | 2016-11-22 | Mainboard detection circuit and electronic device applying same |
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| CN201611032950.8A CN108089959B (en) | 2016-11-22 | 2016-11-22 | Mainboard detection circuit and electronic device applying same |
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| CN108089959B true CN108089959B (en) | 2022-06-17 |
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| US6205547B1 (en) * | 1998-11-20 | 2001-03-20 | Intel Corporation | Computer system management apparatus and method |
| CN102339114A (en) * | 2010-07-21 | 2012-02-01 | 鸿富锦精密工业（深圳）有限公司 | Charging circuit and mainboard with same |
| CN104881340A (en) * | 2015-06-09 | 2015-09-02 | 英业达科技有限公司 | Electronic device |
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2016
- 2016-11-22 CN CN201611032950.8A patent/CN108089959B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6205547B1 (en) * | 1998-11-20 | 2001-03-20 | Intel Corporation | Computer system management apparatus and method |
| CN102339114A (en) * | 2010-07-21 | 2012-02-01 | 鸿富锦精密工业（深圳）有限公司 | Charging circuit and mainboard with same |
| CN104881340A (en) * | 2015-06-09 | 2015-09-02 | 英业达科技有限公司 | Electronic device |
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