TW575838B - Automatic recovery method of BIOS memory circuit in memory apparatus containing dual BIOS memory circuits - Google Patents

Abstract

An automatic recovery method of defective BIOS memory circuit in a computer system having memory apparatus containing dual BIOS memory circuits is disclosed in the present invention. A computer system contains a memory apparatus that includes a main BIOS memory circuit and a recovery BIOS memory circuit, which respectively store the first BIOS program and the second BIOS program for starting the operation of computer system. In addition, the main BIOS memory circuit or the safe recovery BIOS memory circuit even contains a BIOS flash utility such that, when the computer system is boosted, the chip enable circuit in the computer system first enables the recovery BIOS memory circuit and uses an error detection circuit to check and find if there is any error contained in the first BIOS program stored in the main BIOS memory circuit. If the first BIOS program stored in the main BIOS memory circuit contains error, the content of safe recovery BIOS memory circuit is used to program the main BIOS memory circuit via the BIOS flash utility. Then, the chip enable circuit disable the safe recovery BIOS memory circuit and enable the main BIOS memory circuit so as to continue the boosting procedure of computer system from main BIOS memory circuit.

Description

575838 V. Description of the invention (l) The memory device in the field of the invention restores a masterpiece error. The case is related to a system with a dual 3S0S memory circuit. In the system, a safe recovery BI 0S memory circuit is used to BI. OS z 丨 thinking circuit, to avoid computer system startup failure caused by computer startup failure. BACKGROUND OF THE INVENTION In the architecture of today's computers, the so-called basic input-output system (BA ^ lc ~ putput system, BI0s) is software for obtaining basic anvils in basic computer operations. BIOs is mainly composed of the computer's low-level instructions. The basic hardware test during the operation of the yn brain, and the characteristics of the computer. For example: when the computer is turned on, execute the on value of the computer # 笼 盛 铨: interpret the signal sent by the keyboard, and ## between the port information. Therefore, as soon as the computer starts up, the contents of the BIOS are used to perform the operation. If there is a problem with M0s, once the computer is turned on, tests such as memory (RAM), hard disk (HD), and processor (CPU) # cannot be performed, and the computer cannot be started smoothly. Because the BIOS and computer system have such an important status, generally, we will burn the BIOS program instruction set in a memory that can not need power for a long time, such as Flash ROM, pROM, EpR 〇M, EEPROM, etc., and built such BIOS memory in the computer's motherboard or into the computer system's chipset, so that its content is not affected by the power supply and can permanently save its content. · However, the contents of the B I 0S memory are not completely error-free. When the circuit structure of BI 0S memory degenerates with time 575838 V. Description of the Invention (2) (degradation) or unpredictable rigidity may be lost or cause errors, resulting in errors in the collection of electricity and the computer. The reason for the incompetence is that I have carefully studied the spirit of perseverance and finally created the BIOS memory circuit in the memory device of the road of this case. Summary of invention

The purpose of this case is to say, ΛΛ »I, ^ The purpose is to develop an automatic method for the purpose of ^ D any computer system with a main BIOS 1 BIOS memory circuit and 5 5 memory chips § Ji i Think of the circuit back to ancient times ^ ^ A defective main BIOS memory circuit starts the computer's $ k package operation. According to the concept of Benjamin m ^, the automatic safety method of this case is that the device has-the first-: the computer's' lift wheel input and output system; this input and output system and the second meaning: = circuit, The first basic brain program and the book: input and output system memory

The program is a brain program. When the computer is running, the computer system operates just as the base-; this input-output system records 彳 9 π A: the current input-output system memory reads # ^. If the effect of the operation of the first electric second basic wheel Λ ^ ~ output system memory circuit is detected, its contents boot and execute the BIOS program command to complete the boot process. Examine and research, and insist on a safe recovery method that includes dual BIOS memory power. It is to restore the BIOS circuit of the BIOS memory circuit and a security recovery system to safely restore the BI 〇 $ circuit, and then use the main BIOS memory to fully restore the BIOS for a memory-mounted memory circuit and this round-in-round circuit to store computer programs and . When the computer memory circuit is set by the brain program included in the way, the memory includes a second memory circuit, the memory is a second basic system memory, the first computer power is turned on, and the second computer system A computer program error 'with the computer program again

Page 6 575838 V. Description of the invention (3) ^ f The first basic input and output basic round-in-round-out system memory electrical c circuit to restore the first yarn. According to the above concept, the first-the-th computer program . The second stored—computer program and the second A round-out system memory circuit. The second computer program can be stored in the round-out system memory circuit. 3 ”can be used for the basic round: computer system Γ u provides a When the step end ii of the M ° k circuit of the chip enable control end is turned on, the chip enable circuit is enabled by the chip :: enable circuit 'when the chip is ;; two basic input wheel-out system memory electric enable control call Laida: The end system uses-general purpose input-round i :: second description to detect the first computer program-error detection = 3 error steps, it is profit, data value, computer program contains- Error (CRcV ^^ [arity check) ^^^^ A-Tm ^ ^ In order to be able to 誃 # 馨 ^, the first — ::: Basic input wheel-out system memory circuit for re- ^ out system record_ + Turn-in-round-out system memory circuit or the $ -Ά # Then "to change = programming program": In accordance with this case-^ the first basic input and output system memory circuit. The method of p operation: The conception of :: This case proposes-a kind of beginning-the computer 5H memory device system, j ^ contains the following steps: # 给 一 记忆 装 j_______ Basic wheel input and output system memory circuit page 7 575838 V. Invention Explanation (4).

And a second basic input-output system memory circuit, the first basic input-output system memory circuit and the second basic input-output system memory circuit respectively store a first computer program and a second computer program, wherein the first computer program And the second computer program is used to start the operation of the computer system. When the computer system is turned on, the second basic input-output system memory circuit is enabled, and it is detected whether the first computer program contains an error. When detecting that the first computer program contains an error, the second computer program is used to reprogram the first basic input-output system memory circuit. Then, the first basic input-output system memory circuit is enabled and the second basic input-output system memory circuit is disabled. Finally, the first basic input-output system memory circuit starts the operation of the computer system. According to the above concept, the first computer program stored in the first basic input output system memory circuit and the second computer program stored in the second basic input output system memory circuit may be the same or different.

The step of enabling the memory circuit of the second basic input output system is to provide a chip enable circuit of a chip enable control terminal. When the computer system is turned on, the chip enable control terminal of the chip enable circuit is used. The second basic input-output system circuit is enabled to complete. The aforementioned chip enable control terminal is achieved by using a general-purpose input-output pin (G P I 0 p i η). The step of detecting whether the first computer program contains an error is to use an error detection circuit to check an error detection data value included in the first computer program to determine whether the first computer program contains an error . The above-mentioned error detection data value can be a checksum data value, a parity check data value, or a cycle multiple.

Page 8 575838 V. Description of the invention (5) Remainder check (CRC) data value.

2 It is possible to re-king the memory circuit of the first basic input-output system > 'The first basic input-output system memory circuit or the Tu-A input-output system memory circuit further includes a programming program: ^ 本 " Reprogramming the first basic input output system memory circuit. The advantages and characteristics of this water can be obtained through the second embodiment of the following examples, and it is clear that-a deeper understanding. Seven detailed descriptions with simple illustrations ^ Figure 1 is a functional block diagram of a computer system having a B 丨 memory device including a dual B I ⑽ a fe circuit according to a preferred embodiment of the present case; and Figure 2 is based on the present case; One preferred embodiment is a flowchart of a method for automatically responding to a beta circuit in a computer system. For a description of a preferred embodiment, please refer to FIG. 1. According to a preferred embodiment of the present invention, the system has a 6103 memory chip including dual BIOS memory circuits (141, 142). The system 10 includes a central processing unit ^, A memory 12, ie, = capable circuit 13 ', an error detection circuit 15, and a dual BIOs record Z emperor

1 4 1 and 14 2 B Ios memory device 14. The B I 0S memory device 14 integrates the S B I 0S memory e into a special-purpose integrated circuit (ASIC) chip, which makes the computer system 10 ^^ § The B I 0S memory device! j # 达 | 1 blade and UPR0M) or electric 4 = a composition of erasable and programmable read-only memory. In addition to the programmable read-only memory (EEPR0M), there are two B 丨 〇s memory circuits included in the 5 Β I 0 S memory step 1 heart, Xia 丨 4

Page 9 575838 V. Description of the invention (6) Main BIOS memory circuit 142, the other is safe recovery BIOS memory circuit 141. The BIOS programs stored in the main BIOS memory circuit 142 and the secure recovery BIOS memory circuit 141 may be the same BIOS program 'or different B I 0 S programs. The b I 0 s programs stored by both are composed of a computer program instruction set used to start the operation of the computer system 10. In order to be able to restore the main B 丨 0S memory circuit 丨 42 stored BI 0 S private 'main BI 0 S memory circuit 1 4 2 or when the BIOS program stored in the main BIOS memory circuit 142 is detected to contain errors The security recovery b I 0S memory circuit 141 further includes a flash utility for reprogramming the BIOS program stored in the security recovery BIOS memory circuit 141 to the main BIOS memory circuit 142, thereby restoring the main BIOS memory circuit 142. Content. The chip enabling circuit 13 has a chip enabling control terminal j 3 1. For example, it is completed by a general-purpose input / output pin (Gpi〇) 131, and is used to send a uniform energy signal to the main BIOS memory circuit 42. The CE (CE) pin 1421 and the chip enable (CE) pin 1 4 11 of the safety recovery BI0S memory circuit 141 are used to switch the b 丨 0s memory circuit to be enabled. However, the BIOS memory automatic automatic recovery method in a computer system, which is one of the preferred embodiments of the present case, can be fully obtained from the flowchart in FIG. 2. Please see figure two. Starting from step 21, after the computer system is turned on (step 22), the "10 pin of the chip enable circuit will make the safety reply" ⑽ the memory circuit is enabled (step 23). At this time, the computer's error detection circuit will check whether the BIOs program stored in the main BIOS memory circuit contains errors, etc. (decision 24). The error detection technology can be used to check the location of the main 575838. V. Description of the invention (7) One of the BI 0 S memory circuits ^ "data value or parity check (pa ^ c memory address t checksum) (CRC) Whether the data value is correct. Uh3eck) Tribute value or cycle redundant check contains errors. If no debt is detected: whether the content of the main M0Sf memory circuit is wrong, then the chip GP10 = :, ^^^ The memory circuit is disabled and the main BI0S $ ft pin will make a safe reply 61still the operation # is enabled by the circuit (step 26), the computer boots to the main BIOS Θ + t memory circuit to continue (step 27). If it is detected that ίΒ Ϊ: Contains an error, the burning program stored in the main BI0S memory circuit or the safety = port two electrical circuits will be executed, so that the program reprogram stored in the B0 = ΒΓ memory circuit化 主 25 = circuit 'to restore the details of the memory circuit (steps

So. :, After the circuit is restored, Jing ... ^

The footsteps of the memory circuit caused the female to fully restore the MOS memory circuit and caused the main BI0S α heart circuit to do so (step 26). The computer starts the operation of the memory circuit to continue (step W27). Shi Shi. You can do it from the main BIOS 5 .: First, the computer's booting procedure =, Li Di Yuan Cheng, is not affected by the error contained in the main memory circuit. In summary, in this case, two ... ⑽memory circuits are integrated in the integrated circuit (IC) chip, and one of them is used to store the safety recovery of the F_BI0s program. … Tianzhu B 10S memory circuit is a safety recovery circuit when an error is detected, and the burning program is stored in the main BIOS memory circuit or Ann = Restore bi〇1 memory memory circuit, making the iBI0S memory circuit An error was detected in the content ^ 'Run this programming program to safely restore the βι ^ stored in the BI0.S circuit'. Page 11 575838 V. Description of the invention (8) Formula to restore the content of the main BI 0S memory circuit. This method can avoid the error that the B I 0S program executes and the result that the computer cannot be turned on, so that the initial operation of the computer can continue smoothly, which is a practical commercial creation. Therefore, this case may be modified by anyone who is familiar with this skill, but it is not inferior to those who want to protect the scope of the patent application.

Page 575838 Brief Description of Drawings Figure 1 is a functional block diagram of a computer system having a BI 0S memory device including dual BI OS memories and circuits according to a preferred embodiment of the present case; and FIG. 2 is a preferred embodiment of the present case. A flowchart of a method for automatically recovering a BI OS memory circuit in a computer system according to one embodiment.

Page 13

Claims (1)

575838 The scope of the patent application is for a method for restoring a memory circuit of a basic input-output system. The method includes the following steps: A memory device including a memory circuit of a first basic input-output system and a first circuit is provided. Two basic input-output system memory circuits respectively store a first computer program and a second computer program, wherein the first computer program and the second computer program are used to start the operation of the computer system; when the computer system is turned on Time memory circuit; detecting the first computer program and reprogramming the first basic input 2 when detecting the first computer program. If the scope of the patent application is the first formula and the second computer program is 3. If the patent is applied for The first item of the scope and the second computer program are 4. If the patent application scope of the first item is the memory circuit of the input-output system 1. It is a kind of memory system of the two basic input-output systems in the 'one computer system and the input-output system memory circuit and The enabling and taking two basic input / output system provides a chip having a chip enabling the chip enabling control terminal to enable the first when the computer system is turned on. 5. If the 4th system of the scope of the patent application is for general use, whether the input includes a package type and the output is controlled by the same steps as described by the different ones, can the steps described above be controlled? Including errors; and errors, using the second computer program to memorize the circuit. Method, wherein the first computer program method, wherein the first computer program method, wherein enabling the second base system comprises the following steps: a chip enabling circuit at the end; and the crystal input and output system of the chip enabling circuit device Memory circuit. Method, wherein the chip enables a control pin (G P I 0 p i η). Page 14 575838 6. Scope of patent application 6. The method as described in item 1 of the scope of patent application, wherein the steps of detecting whether the first computer program contains errors include the following steps: providing an error detection circuit; The error detection circuit checks an error detection data value included in the first computer program to determine whether the first computer program contains an error. 7. The method as described in item 6 of the scope of patent application, wherein the error detection data value includes a check sum (c h e c k s u m) data value. 8. The method according to item 6 of the scope of patent application, wherein the error detection data value includes a parity check data value. 9. The method according to item 6 of the scope of patent application, wherein the error detection data value includes a cyclic redundant check (CRC) data value. 10. The method according to item 1 of the scope of patent application, wherein the first basic input-output system memory circuit further comprises a programming program for reprogramming the second computer program to the first basic input-output system memory. Circuit. 11. The method according to item 1 of the scope of patent application, wherein the second basic input-output system memory circuit further includes a programming program for reprogramming the second computer program to the first basic input-output system memory. Device. · 12. A method for starting the operation of a computer system, the method includes the following steps: providing a memory chip including a first basic input output system memory circuit and a second basic input output system memory circuit, the first A basic input-output system memory circuit and the second basic input-output system memory circuit respectively store a first computer program and a second computer program, wherein the first computer program and the second computer program are used to start the computer. Systematic operation Page 15 575838 6. The scope of patent application is enabled; when the computer system is turned on, the second basic input-output system memory circuit is enabled; detecting whether the first computer program contains an error; when detecting that the first computer program contains Error, reprogramming the first basic input output system memory circuit with the second computer program; enabling the first basic input output system memory circuit while disabling the second basic input output system memory circuit; and using the first The basic input output system memory circuit starts the operation of the computer system. 13. The method as described in item 12 of the scope of patent application, wherein the first computer program and the second computer program are the same. 14. The method as described in item 12 of the scope of patent application, wherein the first computer program and the second computer program are different from each other. 15. The method according to item 12 of the scope of patent application, wherein the step of enabling the memory circuit of the second basic input-output system further comprises the following steps: providing a chip enabling circuit having a chip enabling control terminal; and when When the computer system is powered on, the chip enable control terminal of the chip enable circuit device enables the second basic input output system memory circuit. 16. The method according to item 15 of the scope of patent application, wherein the chip enable control terminal is a general-purpose input / output pin (G P I 0 p i η). 17. The method according to item 12 of the scope of patent application, wherein the steps of detecting whether the first computer program contains errors further include the following steps: providing an error detection circuit; Page 16 575838 6. Scope of patent application Use the error detection circuit to check an error detection data value included in the first computer program for judging whether the first computer program contains an error. 18. The method according to item 17 of the scope of patent application, wherein the error detection data value includes a check sum (c h e c k s u m) data value. 19. The method as described in item 17 of the scope of patent application, wherein the error detection data value includes a parity check (p a r i t y c h e c k) data value. 20. The method as described in item 17 of the scope of patent application, wherein the error detection data value includes a cyclic redundancy check (CRC) data value. 21. The method as described in item 12 of the scope of patent application, wherein the first basic input-output system memory circuit further includes a programming program for reprogramming the second computer program to the first basic input-output system. Memory circuit. 2 2. The method according to item 12 of the scope of patent application, wherein the memory circuit of the second basic input-output system further comprises a programming program for reprogramming the second computer program to the first basic input-output System memory circuit. Page 17