TW201207612A - Computer system data recovery device - Google Patents

Abstract

The present invention discloses a computer system data recovery device which installed in a motherboard of the computer system. The computer system data recovery device includes a baseboard management controller wafer, a switch module and a basic input output system wafer. The basic input output system wafer has a memory. The baseboard management controller wafer communicates with a remote client and makes the switch module connect to the baseboard management controller wafer in control of the remote client. As thus, the program codes of the remote client are stored in the memory of basic input output system wafer.

Description

201207612 VI. Description of the Invention: [Technical Field of the Invention] [(10) 1] The present invention relates to a computer system data repair device, and more particularly to a data repair device for a basic input/output system (BIOS) in a computer system. [Prior Art] [0002] In today's computer systems, the BIOS chip on the motherboard provides the most basic and direct hardware control for the computer. It is mainly used to store self-diagnostic test programs, system bootloaders, system setup programs, and I/O drivers and interrupt service programs for main input/output (IN/OUTPUT, I/O) devices. Basic program. Once there is a problem with the BIOS chip, the computer cannot perform most of the basic functions. When the data of the internal program of the BIOS chip is damaged and the internal data is to be repaired, the conventional method generally divides a boot block on the flash memory of the BIOS, and the boot block contains useful information. The minimum instruction set for booting and simple software overwrite function. When the BIOS data is damaged, the code in the boot block can be called or executed by hardware or software to start its overwrite function, thereby realizing the data repair of the BIOS chip. However, if the data in the boot block is damaged or overwritten due to a misoperation, the boot block cannot be used to implement the BIOS chip repair. SUMMARY OF THE INVENTION [0003] In view of the above, it is necessary to provide a computer system data repair device that can effectively repair basic input and output system data. [0004] A computer system data repair device, set in a computer system, the main 099125833 form number A0101 page 4 / a total of 14 pages 0992045326-0 201207612 Ο [0005] ❹ [0006] on the board, "brain system data repair The device includes a substrate management controller chip, a ++ knife replacement module, and a basic input output system chip. The basic input output system is provided in a wafer-memory, the substrate management controller crystal, the switching age and the recording _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ The device chip is electrically connected to the memory of the substrate management controller, and the basic input output system of the remote client (4) is programmed on the memory by the substrate management controller chip. In the computer system, the basic input and output data of the dump are repaired. Compared with the prior art, the computer "data repair device" of the present invention only needs to change the data in the basic input output system chip when the data in the basic input output system chip needs to be repaired by the setting-switching module. The BMC chip can burn the basic wheel code of the remote client to the memory to update the basic input and output system program of the damaged dragon, thereby repairing the basic input. The output system chip stores the material of the material. The computer system data repairing device of the invention is simple in operation, and can effectively avoid the fact that the technical towel in the booting block is damaged due to the misoperation of the device. The problem of the basic input/output system data cannot be repaired. [Solid mode] Referring to FIG. 1 'The computer system data repair device 100 of the preferred embodiment of the present invention can be disposed on the motherboard 2G of the computer system 2, and is far away from The end client 300 is electrically connected to the computer system (10) to establish communication with the terminal client 3〇G by a conventional communication device. The computer system data repair device 099125833 Form No. A0101 Page 5 of 14 0992045326-0 201207612 100 can repair the data stored in the basic input/output system (basicinpUt〇utputsystem, BIOS) in the computer system 200 under the control of the remote client 300 [00〇7] The computer system data repair device 1 includes a baseboard management controller (BMC) chip 11, a master chip 13, a switch module 15, and a BIOS chip 17, A memory 172 is disposed in the BIOS chip 17. The BMC chip 11, the switching module 15 and the memory 172 are electrically connected in sequence, and the main control chip 13 is connected to the switching module 15. [0008] Please refer to the figure together. 2. The BMC chip 11 includes a set of general purpose input output '..GPI0. pins GPI010-GPI013 and a control pin GPIOJ0. » GPIO pins GP101 0-GP101 3 and control pins GP10 J0 is electrically connected to the switching module 15. The BMC chip 11 also communicates with the remote client 300 through a network card or other communication interface. [0009] The master wafer 13 includes a set of data transmission wheels. Pin SPI -MOSI, SPI -MIS0 SPI-CS0-N and SPI-CLK. The data transmission pins 8卩1-M0SI, SPI-MIS0, SPI-CS0-N, and SPI-CLK are respectively connected to the switching module 15. [0010] The switching The module 15 can be a wafer of the type SN74CBT3257DBR or a circuit having the same function as a multiple output selector. The switching module 15 includes a set of first signal input terminals 1B1-4B1, a set of second signal input terminals 1B2-4B2, a set of signal output terminals 1A-4A, a work enable terminal 0E and a signal input control terminal S. . Wherein the first signal input end 099125833 form number A0101 page 6 / total 14 page 0992045326-0 201207612 1Β1-4Β1 is electrically connected with the Gpi〇 pin GPI010-GPI013 in the BMC chip U respectively; the second signal input terminal ^ 2_绌2 is electrically connected to the data transmission pins spi - M0SI , SPI - Ο [0011] MIS MIS0, SPI-CS0-N and SPI-CLK in the master chip 13 respectively; the signal input control terminal S is electrically Connected to the control pin gp 1〇j〇. In this embodiment, when the voltage of the signal input control terminal S is low, the switching module 15 receives the data from the BMC chip 11; when the voltage of the signal input control terminal S is high level, The switching module 15 receives the data from the master wafer 13. It can be understood that since the switching module 15 generally belongs to the working enable terminal 0E active low, the working enable terminal 〇E is grounded here. The memory 17 2 can be a flash memory in which the computer system 200 is normally turned on and operated. BIOS program. The memory 172 includes 16 pins pinl-pinl6. The pin Pin1 is connected to a power source VCC through a first resistor R1, and the pin 2 is connected to the power source VCC. The pin Pinl5, the pin pinS, the pin pin?, and the pin Pln16 are respectively connected to the signal output terminals 1A-4A in the switching module 15. In addition, the pin 2 is also connected by a set of parallel capacitors. The 02 pin is grounded, and the pin 7 is also connected to the power source 6 by a second resistor R2. When the voltage of the signal input control terminal S is low, the switching module 15 switches the memory 172 to the BMC wafer 11, and the memory 172 stores the data transmitted from the BMC wafer 11; When the voltage of the signal input control terminal S is at a high level, the switching module 15 switches the phase memory 172 to the master control chip 13, and the memory 172 will control the data in the control chip 13 at this time. Store. The BIOS chip can access the memory 172 by the system sink 099125833 form number A0101 page 7 / 14 page 0992045326-0 201207612 (not shown), and call the memory i72 memory to delete the m (four) machine And the components in the computer system 200, such as a memory, a hard disk, a central processing unit, etc., are initialized and operate normally. [0013] The following is a detailed description of the working principle of the (4) material age k computer (10) f material repairing device 100: Firstly, when the computer system 200 is powered on but cannot be turned on normally, it generally indicates that the interesting chip 17 has a problem. At this time, the computer system 200 will send a request signal to the remote client through the conventional communication interface. After the remote client 300 receives the request signal, the control in the BMC chip 11 is driven. Pin GPI〇J〇 outputs a low level. Since the control pin GPIOJO is electrically connected to the signal input control terminal S of the switching module 15, the switching module 15 switches its wheel-in terminal to the first signal input terminal 1Bb 4B1. At this time, the remote client 3 inputs the new BIOS code in the internal motherboard (not shown) to the switching module 15 by using the gpio reference GpI〇1〇_GpI〇13. The switching module 15 is burned on the memory 172 to update the original corrupted program in the memory 172. Thus, the BIOS chip 17 can access the memory 172 and call the new B10S program in the memory 1 72 to enable the computer system 2 to boot normally. [0014] When the BIOS chip 17 is repaired, the voltage of the control pin gpi〇j〇 returns to a high level. At this time, the switching module 15 switches its input end to the first information input terminal 1B2-4B2. The main control chip 13 further transfers and stores data by the switching module 15 and the memory 172. 099125833 Form No. A0101 Page 8 of 14 0992045326-0 201207612 [0015] Although the computer system data repair apparatus 1 of the present invention is provided by a switching module 15' when needed to the 8105 wafer 17 When the data is repaired, it is only necessary to switch the switching module 15 to the BMC wafer 11 to be far away.

[0016] The BIOS code in the end client 300 is burned to the memory 172 to update the damaged Bi〇s program in the memory 172, thereby repairing the data stored in the Magic 5 chip 17. Compared with the prior art, the computer system data repair device 100 of the present invention is simple in operation, and can effectively avoid the problem that the BIOS data in the boot block is damaged or mishandled due to the damage in the prior art. . BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a block diagram of an apparatus for repairing data of a power system according to a preferred embodiment of the present invention. -\ [0017] FIG. 2 is an electrical connection diagram of the data repair device of the computer system shown in FIG.

[Main component symbol description] [0018] Computer system data repair device: 100 ... ::i ; ::;1.::::: [0019] Computer system: 200 <"'· 1 :: ;||I || [0020] Remote client: 300 -.. ping t [0021] BMC chip · 11 [0022] Master chip: 13 [0023] Switching module: 15 [0024] BIOS chip: 17 [0025] Motherboard: 20 099125833 Form No. A0101 Page 9 / Total 14 Page 〇992〇45326~〇201207612 [0026] Memory: 172 [0027] GPIO Pin: GPIO10-GPIO13

[0028] Control pin: GPIO JO

[0029] Data Transfer Pin: SPI-MOSI, SPI-MISO, SPI-CSO-N, SPI-CLK

[0030] The first signal input terminal · 1B1, 2B1, 3B1, 4B1 [0031] The second signal input terminal: 1B2, 2B2, 3B2, 4B2

[0032] Signal output: ΙΑ, 2A, 3A, 4A

[0033] Work Enable: 0E

[0034] Signal input control terminal: S

[0035] Pin: pinl-pinl6 [0036] First resistor: R1 [0037] Second resistor: R2

[0038] Power: VCC

[0039] Capacitor: C1-C2 099125833 Form No. A0101 Page 10 of 14 0992045326-0

Claims (1)

201207612 VII. Patent application scope: 1. A computer system data repair device is installed on a motherboard in a computer system for repairing data stored in a basic input/output system in a computer system, and the improvement is as follows: The system data repairing device comprises a substrate management controller chip, a switching module and a basic input/output system chip, wherein the basic input/output system chip is provided with a memory, the substrate management controller chip, the switching module and the memory The substrate management controller chip is in communication with a remote client, and under the control of the terminal client, the switching module is switched to the substrate management controller chip. The substrate management controller chip is electrically connected to the memory, and the basic input/output system program in the remote client is burned on the memory by the substrate management controller chip, and the computer is The data stored in the basic input/output system of the system is repaired. 2. The computer system data repair device of claim 1, wherein the memory is a flash memory. 3. The computer system data repair device of claim 1, wherein the baseboard management controller chip comprises a set of universal input/output pins Q, the switch module comprising a set of first signal inputs and a signal input control terminal 'the universal input/output pin is correspondingly connected with the first signal input end of the group, and when the voltage of the signal input control terminal is low level, the input end of the switching module is switched to the universal Input/output pin. 4. The computer system data repair device of claim 3, wherein the computer system data repair device further comprises a master control chip, the master control chip includes a set of data transmission pins, the switch module A set of second signal input end, the data transmission pin and the second signal input end are connected to 099125833, form number A0101, page 11 / total 14 page 0992045326-0 201207612, when the voltage of the signal input control terminal is When the level is high, the input end of the switching module is switched to the data transmission pin. 5. The computer system data repair device of claim 4, wherein the memory comprises a plurality of pins, wherein two pins are connected to a power source, and the switching module comprises a set of signal outputs. Portions of the memory are respectively connected to the signal output end. 6. The computer system data repair device of claim 5, wherein the basic input/output system program in the remote client is from the universal input/output when the voltage of the signal input control terminal is low The pin is output and then burned on the memory. 7. The computer system data repair device of claim 5, wherein when the voltage of the signal input control terminal is a high level, the master control chip transmits data by using the switching module and the memory. And storage. 8. The computer system data repair device of claim 3, wherein the substrate management controller chip comprises a control pin, the control pin is connected to a signal input control terminal, and the substrate management controller The chip is under the control of the remote client such that the control pin outputs the low level. 9. The computer system data repair device of claim 8, wherein the remote client establishes communication with the computer system, and when the computer system sends a request signal to the remote client, The remote client controls the substrate management controller wafer. 099125833 Form No. A0101 Page 12 of 14 0992045326-0