CN217821582U

CN217821582U - Tool for upgrading BIOS of mainboard in shutdown state and diagnosing faults of mainboard during startup

Info

Publication number: CN217821582U
Application number: CN202221878052.5U
Authority: CN
Inventors: 孙武源; 李金成
Original assignee: Guangzhou Shangke Information Technology Co ltd
Current assignee: Guangzhou Shangke Information Technology Co ltd
Priority date: 2022-07-19
Filing date: 2022-07-19
Publication date: 2022-11-15
Anticipated expiration: 2032-07-19

Abstract

The utility model discloses a diagnostic mainboard trouble's instrument when shutdown state upgrading mainboard BIOS and start, including the circuit board, install on the circuit board and be used for truning into USB into SPI's bridging chip, the start switch that upgrades, the TYPEA interface, the TYPEC interface, the three-colour LED lamp, electrically erasable programmable read only memory, BIOS serial socket, the cap is jumped in the memory size selection, the cap is jumped in the voltage selection, chip test seat, first voltage stabilizing circuit, second voltage stabilizing circuit, a conversion chip for truning into eSPI into LPC, the debugging diagnosis socket, seven sections charactron, double-colour LED lamp. The tool does not need to build a machine table and start up, only needs to connect a charger with a TYPEC head or a USB charger head to provide a +5V power supply for the tool, can easily complete BIOS upgrading work by being matched with a USB flash disk with a creative. Rom file, and does not need to worry about the problems of crash and power failure in the upgrading process; meanwhile, the tool supports the eSPI TO LPC decoding function and integrates the function of a mainboard 80PORT fault diagnosis card.

Description

Tool for upgrading BIOS of main board in shutdown state and diagnosing fault of main board in startup

Technical Field

The utility model relates to a mainboard upgrading and diagnostic equipment field especially relate to a diagnostic tool of mainboard trouble when off state upgrades mainboard BIOS and start.

Background

At present, a machine table needs to be built for upgrading a BIOS of a main board (Basic Input/output System), and then the BIOS is upgraded under a DOS System, the process is complicated, certain technical requirements are also provided for an operator, the BIOS of the main board is damaged if the BIOS is halted or power failure occurs midway, and the BIOS can be continuously used only by detaching a BIOS ROM and burning the BIOS ROM by using a special burner.

In addition, the types of diagnosis cards with the eSPI interface in the market are few, and are seriously disconnected from the main board mainstream design.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the above problem that prior art exists, provide a diagnostic mainboard trouble's instrument when off state upgrades mainboard BIOS and start.

For realizing above-mentioned technical purpose, reach above-mentioned technological effect, the utility model discloses a following technical scheme realizes:

a tool for upgrading BIOS of a mainboard in a shutdown state and diagnosing faults of the mainboard during startup comprises a circuit board, wherein a bridging chip for converting USB into SPI, an upgrading starting switch, a TYPEA interface, a TYPEC interface, a three-color LED lamp, an electrically erasable programmable read-only memory, a BIOS serial socket, a memory size selection jump cap, a voltage selection jump cap, a chip test seat, a first voltage stabilizing circuit for generating a 3.3V power supply, a second voltage stabilizing circuit for generating a 1.8V power supply, a conversion chip for converting eSPI into LPC, a debugging diagnosis socket, a seven-segment digital tube and a two-color LED lamp are arranged on the circuit board,

the bridge chip is respectively connected with an upgrade start switch, a TYPEA interface, a three-color LED lamp, an electrically erasable programmable read-only memory, a BIOS serial socket, a chip test socket and a memory size selection jump cap,

the BIOS serial socket is connected to a memory size selection jumper cap,

the 5V voltage output end of the TYPEC interface is connected with the 5V voltage input end of the first voltage stabilizing circuit and the 5V voltage input end of the TYPEA interface;

the 3.3V voltage output end of the first voltage stabilizing circuit is respectively connected with the 3.3V voltage input end of the upgrading starting switch, the 3.3V voltage input end of the second voltage stabilizing circuit, the 3.3V voltage input end of the voltage selection jump cap, the 3.3V voltage input end of the three-color LED lamp, the 3.3V voltage input end of the bridging chip, the 3.3V voltage input end of the conversion chip and the 3.3V voltage input end of the erasable programmable read-only memory;

the 1.8V voltage output end of the second voltage stabilizing circuit is connected with the 1.8V voltage input end of the voltage selection jump cap,

the voltage output end of the voltage selection jump cap is respectively connected with the 3.3V 1.8V voltage input end of the chip test seat, the 3.3V 1.8V voltage input end of the BIOS serial socket, the 3.3V 1.8V voltage input end of the memory size selection jump cap and the 3.3V 1.8V voltage input end of the bridge chip;

the conversion chip is respectively connected with the debugging diagnosis socket, the seven-segment digital tube and the double-color LED lamp.

The beneficial effects of the utility model are that: the tool does not need to build a machine table and start up, only needs to connect a charger with a TYPEC head or a USB charger head to provide a +5V power supply for the tool, can easily complete BIOS upgrading work by being matched with a USB flash disk with a creative. Rom file, and does not need to worry about the problems of crash and power failure in the upgrading process; meanwhile, the tool supports the eSPI TO LPC decoding function and integrates the function of a mainboard 80PORT fault diagnosis card.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention and do not constitute a limitation on the invention. In the drawings:

FIG. 1 is a schematic view of a tool of the present invention;

fig. 2 is a circuit diagram of a middle bridge chip, an upgrade start switch, a TYPEA interface, a three-color LED lamp, an electrically erasable programmable read only memory, a BIOS serial socket, and a memory size selection jump cap of the present invention;

fig. 3 is a circuit diagram of a first voltage stabilizing circuit according to the present invention;

fig. 4 is a circuit diagram of a second voltage stabilizing circuit according to the present invention;

FIG. 5 is a circuit diagram of the chip testing socket of the present invention;

FIG. 6 is a circuit diagram of a voltage selective jump cap of the present invention;

fig. 7 is a circuit diagram of the middle conversion chip, the debugging diagnosis socket, the seven-segment digital tube and the dual-color LED lamp of the present invention;

the reference numbers in the figures illustrate: the device comprises a bridge chip U1, an upgrade starting SWITCH SWITCH, a TYPEA interface USB2, a TYPEC interface USB1, a three-color LED lamp FLASH _ LED, an electrically erasable programmable read-only memory U4, a BIOS serial SOCKET BIOS _ SPI, a memory SIZE selection jump cap ROM _ SIZE _ SEL, a voltage selection jump cap ROM _ POWER _ SEL, a chip test SOCKET BIOS SOCKET, a solid-state filter capacitor CT1, a transient diode TVS1, a four-pin passive chip oscillator Y1, a conversion chip U6, a debugging diagnosis SOCKET DEBUG _ CON, a seven-segment digital tube DEBUG _ LED and a two-color LED lamp 80P \\\ LED.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

As shown in fig. 1 to 6, a tool for upgrading a BIOS of a motherboard in a power-off state and diagnosing a failure of the motherboard when the motherboard is powered on includes a circuit board, the circuit board is a rectangular PCB, a long side of the PCB is 62mm in length, and a short side of the PCB is 47mm in length.

The circuit board is provided with a bridging chip U1 for converting USB into SPI, an upgrade start SWITCH SWITCH, a TYPEA interface USB2, a TYPEC interface USB1, a three-color LED lamp FLASH _ LED, an electrically erasable programmable read-only memory U4, a BIOS serial SOCKET BIOS _ SPI, a memory SIZE selection flip cap ROM _ SIZE _ SEL, a voltage selection flip cap ROM _ POWER _ SEL, a chip test SOCKET BIOS SOCKET, a first voltage stabilizing circuit for generating a 3.3V POWER supply, a second voltage stabilizing circuit for generating a 1.8V POWER supply, a solid-state filter capacitor CT1 for ensuring the stability and low noise of an input +5V POWER supply, a transient diode TVS1 for electrostatic protection and a four-pin passive chip crystal oscillator Y1,

the bridge chip is respectively connected with an upgrade starting switch, a TYPEA interface, a three-color LED lamp, an electrically erasable programmable read only memory, a BIOS serial socket, a chip test seat, a memory size selection jump cap and a four-pin passive chip oscillator,

the BIOS serial socket is connected with a memory size selection jump cap,

the TYPEC interface is respectively connected with the solid-state filter capacitor and the transient diode.

the 3.3V voltage output end of the first voltage stabilizing circuit is respectively connected with the 3.3V voltage input end of the upgrade starting switch, the 3.3V voltage input end of the second voltage stabilizing circuit, the 3.3V voltage input end of the voltage selection jump cap, the 3.3V voltage input end of the three-color LED lamp, the 3.3V voltage input end of the bridge chip and the 3.3V voltage input end of the erasable programmable read-only memory;

the voltage output end of the voltage selection jump cap is respectively connected with the 3.3V 1.8V voltage input end of the chip test seat, the 3.3V 1.8V voltage input end of the BIOS serial socket, the 3.3V 1.8V voltage input end of the memory size selection jump cap and the 3.3V 1.8V voltage input end of the bridge chip.

In this embodiment, the Bridge chip is an AMS1012 USB TO SPI Bridge chip; the electrically erasable programmable read-only memory is an AT24C512 chip; the capacitance of the solid-state filter capacitor is 100 muF, and the breakdown voltage of the solid-state filter capacitor is 16v; the frequency of the four-pin passive patch crystal oscillator is 25MHZ; the BIOS serial socket is a 2X5 N10.0 MM socket.

For the BIOS chip upgrading process which is not welded on the mainboard:

connecting a charging wire with a TYPEC plug with a charger or a USB charging head, and inserting the TYPEC plug of the charging wire into the TYPEC interface; inserting the U disk with the create.rom file into a TYPEA interface; the BIOS chip is arranged in the chip test seat, and the BIOS can be upgraded by pressing the upgrade start switch for more than 3 seconds. After the BIOS chip can be upgraded through the chip test socket, a client can weld the BIOS chip to the mainboard.

For the assembled main board BIOS upgrading process:

a charging wire with a TYPEC plug is connected with a charger baby or a USB charging head, and the TYPEC plug of the charging wire is inserted into the TYPEC interface; inserting the U disk with the create.rom file into a TYPEA interface; A2X5.0mm double-female-head direct-connection flat cable is used for connecting a BBIOS serial socket on the tool and a socket with the same specification on a mainboard, and the BIOS can be upgraded after the upgrade starting switch is pressed for more than 3 seconds. The customer can quickly upgrade the BIOS of the mainboard without welding the BIOS chip on the board.

The working principle of the three-color LED lamp in the BIOS upgrading process is as follows: when the power is switched on, the green light is on; when BIOS is upgraded, the red light and the yellow light flash alternately, and after the upgrade is finished, the green light is lighted again; when the BIOS chip is not installed or the BIOS source file is missing, namely the preparation work is not completed, the red light is on. By displaying the LED lamps with different colors in different states, a user can clearly know the working state of the equipment.

In order to solve the problem that when 1.8V is selected to upgrade a BIOS chip, a bridge chip generates under-voltage protection, so that the BIOS can not be normally upgraded, the output voltage of a second voltage stabilizing circuit is adjusted from 1.8V to 2.2V, and therefore the problem is solved ingeniously, and meanwhile the performance of the BIOS chip is not affected.

As shown in fig. 1 and 7, a conversion chip U6 for converting the eSPI into the LPC, a DEBUG diagnosis socket DEBUG _ CON, a seven-segment digital tube DEBUG _ LED, and a dual-color LED 80p _ledare mounted on the circuit board, a 3.3V voltage output terminal of the first voltage stabilizing circuit is connected with a 3.3V voltage input terminal of the conversion chip, and the conversion chip is connected with the DEBUG diagnosis socket, the seven-segment digital tube, and the dual-color LED lamp, respectively.

In this embodiment, the conversion chip is an IT8786E-80/HX LQFP64 chip of a semiconductor, and the debug diagnosis socket is a socket of 2X5 N10.0 MM.

And (3) a diagnosis process: A2X5.0mm double-female-head direct-connection flat cable is used for connecting a debugging diagnosis socket on the tool with a socket with the same specification on a mainboard, an eSPI signal of the mainboard is transmitted to a conversion chip of the tool, 80PORT codes of different periods of time when the mainboard is started are displayed on a seven-segment digital tube after the conversion chip decodes, when a certain period of time has a problem, the seven-segment digital tube stays on a certain code, for example, the number on the seven-segment digital tube stays on 55, and people know that the mainboard is blocked in a memory, so that the fault diagnosis function is realized.

Meanwhile, a double-color lamp is designed on the board, and when the power supply is switched on, a red lamp is on; after the machine is started, the green light is on.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.

Claims

1. The utility model provides a diagnostic mainboard trouble's instrument when shutdown state upgrading mainboard BIOS and start, includes the circuit board, its characterized in that: the circuit board is provided with a bridging chip for converting USB into SPI, an upgrade starting switch, a TYPEA interface, a TYPEC interface, a three-color LED lamp, an electrically erasable programmable read-only memory, a BIOS serial socket, a memory size selection jump cap, a voltage selection jump cap, a chip test seat, a first voltage stabilizing circuit for generating a 3.3V power supply, a second voltage stabilizing circuit for generating a 1.8V power supply, a conversion chip for converting eSPI into LPC, a debugging diagnosis socket, a seven-segment digital tube and a bicolor LED lamp,

the bridging chip is respectively connected with an upgrade starting switch, a TYPEA interface, a three-color LED lamp, an electrically erasable programmable read-only memory, a BIOS serial socket, a chip test seat and a memory size selection jump cap,

the BIOS serial socket is connected to a memory size selection jumper cap,

2. The tool for upgrading the BIOS of the motherboard in the shutdown state and diagnosing the failure of the motherboard in the startup state according to claim 1, wherein: the circuit board is also provided with a solid-state filter capacitor which is used for ensuring the stability and low noise of an input +5V power supply, the solid-state filter capacitor is connected with the TYPEC interface, the capacitance of the solid-state filter capacitor is 100 mu F, and the breakdown voltage of the solid-state filter capacitor is 16V.

3. The tool for upgrading the BIOS of the motherboard in the shutdown state and diagnosing the failure of the motherboard in the startup state according to claim 1, wherein: the circuit board is also provided with a transient diode for electrostatic protection, and the transient diode is connected with the TYPEC interface.

4. The tool for upgrading the BIOS of the motherboard in the shutdown state and diagnosing the failure of the motherboard in the startup state according to claim 1, wherein: the circuit board is further provided with a four-pin passive patch crystal oscillator connected with the bridging chip, and the frequency of the four-pin passive patch crystal oscillator is 25MHZ.

5. The tool for upgrading the BIOS of the motherboard in the shutdown state and diagnosing the failure of the motherboard in the startup state according to claim 1, wherein: the Bridge chip is an AMS1012 USB TO SPI Bridge chip, and the conversion chip is an IT8786E-80/HX LQFP64 chip of a semiconductor.

6. The tool for upgrading the BIOS of the motherboard in the shutdown state and diagnosing the failure of the motherboard in the startup state according to claim 1, wherein: the EEPROM is an AT24C512 chip.

7. The tool for upgrading the BIOS of the motherboard in the shutdown state and diagnosing the failure of the motherboard in the startup state according to claim 1, wherein: the circuit board is the PCB circuit board of rectangle, the long limit length of PCB circuit board is 62mm, the minor face length of PCB circuit board is 47mm.