TW518514B - Device and method for protecting BIOS data of notebook computer - Google Patents

Abstract

The present invention provides a device and method for protecting the BIOS data of notebook computer, which can prevent the problem of being unable to boot caused by the damage of booting block data of BIOS in computer system. The method according to the present invention includes the following steps: providing a micro-controller containing a BIOS monitoring procedure for executing the backup of the boot block data of BIOS and the operation of repairing the BIOS data; when the booting block of BIOS is damaged or failed to update the data, it is accompanied with a repairing switch operated manually by the user to complete the repairing of the booting block data of BIOS under the operation of BIOS monitoring procedure of the micro-controller after rebooting the computer next time.

Description

518514

[Field of the invention] The present invention relates to a device and method for protecting block data of a BI 0S startup program, in particular to a notebook computer, by using a microcontroller to back up the computer system before the computer system is activated first. The method of starting the program block data is to prevent the problem of the failure to boot the computer system due to the damage of the program block data. σσ [Background of the invention] BI0S (Basic Input Output System, Basic Input Output System), it is a program placed on the read-only memory (ROM). After the program and the computer are turned on, the system tests and reads the data in the CMOs (such as hard disk size, whether there is an optical drive, system time, whether to use, " Shadow RAM, etc.). Early BI0s had 64 kb of space,

At present, due to the popularity of flash BIOS, BI0s can be upgraded with soft touch. Now 1 MB and 2 MB BIOS have appeared, but when the corresponding f amount reaches 8Mb or more, the memory—though Thin and small package (Thln SmaU ㈤㈣; ts〇H technology manufacturing, TS 0 P sealed dream μ) technology and most of the Japanese and Japanese films of tapered iron clothes are directly adhered to the printed circuit board. ^ Some manufacturers provide sockets for such chips, but the cost will be very high. The original Γ-grade BI0S material is provided for backup before the upgrade. However: this emergency repair magnetic == one copy to an emergency repair disk, λ ^ S series /, backup general program block (ma 1 1 b 1〇 cks), but not priced bismuth fine openings to produce boot blocks. Also also

518514 5. Description of the invention (2) There is a known BI 0 S protection technology. For example, Gigabyte Technology in China has proposed a dual BIOS (Dual BIOS) technology. This technology mainly designs two BIOSes on the motherboard. It is divided into a main BI0S (Main BIOS) and a backup BI0S (Backup BIOS). Its function is to automatically enable the second BI 0S to continue to complete the boot operation when the data of the first BIOS is lost or damaged. And repair the data of the first BI 0S. This method is currently only used for motherboards of general desktop PCs, and has not been used for notebook computers, because its cost will be much higher than that of desktop PCs. [Objective and Summary of the Invention] The main object of the present invention is to provide a method for protecting the data of the B I 0S startup program block of a notebook computer without adding too much cost. The method of the present invention is to provide a micro controller (miCro-controller, VC) containing a BIOS monitoring program to perform the backup and repair of program block data (b00t block) of 61. ⑽Start the operation of the block's data; moreover, the microcontroller proposed by the present invention mainly backs up and restores the BIOS data of the System R0M through the bus. This is called the original! The sign also includes the read-only memory of the microcontroller. The middle partition is used as a backup location for the BI0S startup program block data. It is a BIOS monitor program built into the private code that controls crying. The startup procedure of BI 0 S is in: the sequence of block m2 is successful. In addition to performing the backup of the shell of the BI 0s startup program, the startup program block data of BI 0 S

Page 5 518514 V. Description of the invention (3) Perform repair work when lost or damaged. Since the read-only memory of the microcontroller is used as the location of the backup data, it will not increase much. For the detailed technical content of the present invention and the preferred embodiment, the description of the figures is provided below. σ [Description of the preferred embodiment of the invention] First, please refer to "Figure 丨". The device designed by the present invention includes: Slave control, 1 0, including a read-only memory (F 1 ash ωω), a A random access memory (RAM) 12 and a _ 0 10S ^ sequence 13, which is a microcontroller 10 that controls the BI0s data of the electrical system through the er-Integrated Circrnt bus. Backup jobs, and

On: program failure or data update failure *, assist in making ;; perform; two s materials repair work; 4 machines 仃 Β I OS a bus switch; U ′ is caused by

System _ 3. Data transfer of the bus II] 〇 "j is used to switch a repair switch 20, which is started by the user when the computer system is restarted. It is used to start the program block (Boot B10c heart! ^ 〇 Enter the simple information (that is, under normal circumstances: = :) ㈣ Λ 业. In the case, the repair switch 20 is set to 疋 仃 β 1 〇S repair (such as the figure) ”), And the stored system BI0s is the System ROM) 30 will also be connected to the computer through f

518514 V. Description of the invention (4) The bus connection of the system 40 is used for normal start-up operations. When the BIOS data is backed up, the repair switch 20 is still maintained in the disabled position. At this time, the microcontroller 10 will activate the bus switch 14 to make the bus and micro-control of the System ROM 30 cry. 1〇Wei = memory 11 is connected (such as "Figure 5A"), and write operation to the only memory 11 of the microcontroller 10, and back up the BIOS data in System ROM 0 to In the read-only memory n of the microcontroller 10. Conversely, before the data restoration operation of BI0S is started, the repair switch 20 will be manually selected by the user —. ^ Λ “a way of knowing what to do and to move to an enable position L 5B picture”) At this time, the microcontroller 10 will switch the bus, switch 22, 22, and the direction, so that the bus of 3 ^ ° 1 and the bus of 3 ^ ° 1 and the micro: ^, 5 buy §self memory body 1 1 Then, perform fj 1 QS 贝 料 的 写 人 操 # on System ROM 30, and back up the data backed up in Microcontroller 1 Q's read-only ^ 2: 11 to System ROM 30, and Yuan Cheng BI 0S data repair. The main method and method of the present invention is to provide a BIOS monitoring program 10, and according to the following steps, the system BIOS is backed up and repaired. As shown in "Figure 2", these steps include: 1. Backing up the BIOS data. At the beginning of the post, the system will automatically connect the read-only memory ii (transmit BIos in the first-time computer system 1). Back up data to the micro-controller transmission path, and switch data buses to the controller 10); and write to the ROM 11 of the controller 10

518514 V. Description of the invention (5) 2. The steps for repairing the BIOS data are used to send a warning message from the micro-controller to 10 when the boot process of BI0s fails, prompting the user to set the repair switch 20 to 1. Role (enab 1 e), and then the next time the computer system is restarted, the BI 0S repair program of the microcontroller 1 0 is used to restore the BIOS data backed up in its read-only memory 1 1 to the System ROM 3 0. Basically, in the aforementioned step of backing up BI OS data, its preferred embodiment: computer system manufacturers make a backup of the system's BI 0S data before the computer is released, which can ensure that the computer is in the process of shipping Even if the data of BI 0 S is damaged, consumers can still restore the backup ... ⑽ data to System ROM 30 by themselves according to the repair operation instructions in the manual. use. Continuing to refer to "Figure 3", the method disclosed in the present invention further includes a step of updating the BIOS data, which is used to 'back up the sales version of BI 0 S data to the micro controller at the beginning of the BI0s update process. The read-only memory 11 of the device 10, and then write the new version of the BIOS data to the System ROM 30. If the writing fails, perform the aforementioned steps to repair the BI OS data. An example of detailed steps for updating the data of BI 0 S is shown in the step flowchart of “Figure 4”, which includes: 1. First, enter the setting day of BI 0S and wait for the user to update BI 〇 The desire of sxin is poor, and the way to enter the BI 0S to set the day and night is usually at the beginning of the computer. For example, the user presses an n 1 π key to enter the BIOS setting screen. Of course, different brands Computer may have different preset keys,

518514 V. Description of the invention (6) 2. After determining to start updating the information of β I 〇s, first back up the old bios data originally stored in the System ROM 30 to the read-only memory 11 of the microcontroller 10 Otherwise, skip to step 9; 3. If the old version of B I 0s data is successfully backed up, write the new version of B I 0S data into System ROM 30; otherwise, repeat the backup of the old version of BIOS data, if it is accumulated three times If the backup fails, the update operation of the B I 0S data ends. 4. If the new BIOS data is successfully written into the System ROM 3 0, skip to step 9; otherwise, continue to the next step; The device 1 〇 issues a warning message, such as displaying text, sound, or light signal, prompting the user to cut off the computer's power first, and then switch the repair switch 20 to an action (enab 1 e) Position ', and then turn on the computer's power again; 6, the microcontroller 10 will back up the old version of the BI0S data stored in the System ROM 30; 7, the microcontroller 丨 〇 sends a message to the user, Prompt user first Turn off the power of the computer, then switch the repair switch 20 to the inactive (d 1 sab 1 e) position, and then turn on the computer's power again;

8. Wait for the user to re-enter the B I 〇s setting daytime in step 1. Otherwise, enter the normal boot operation after the BIOS self-check is completed, and bundle the steps of updating the B I 0S data; 9. The main part of updating the BIOS data Start the program block (ma in). If the update is successful, end the data step of updating B I 0 S, a, then continue to the next step;

Page 9 518514 V. Description of the invention (7) 1 0. A warning message is issued by the microcontroller 10, prompting the user to turn off the computer's power first by, for example, displaying text, sound, or light signals. , Then switch the repair switch 20 to an active (enab 1 e) position 9 and then turn on the computer's power; 1 1. the microcontroller 10 will be stored in an emergency repair disk (rescue floppy) the main startup procedure The block is backed up in the System ROM 30; and 12, the microcontroller 10 sends a message to the user that the backing is successful, prompting the user to turn off the computer's power first, and then switch the repair switch 20 to If it does not work (di sab 1 e), turn on the computer's power again, and then # skip to step 8.

Page 10 518514 ------------ ^, _ Brief Description of Drawings Figure 1 is a system block diagram of the present invention. FIG. 2 is a flowchart of the main steps of the present invention, showing the steps of performing backup and repair operations on the system BIOS data (Boot Block). Fig. 3 is a partial flowchart of the present invention, showing the steps of updating the startup program block of β [0s. Figure 4 is a partial flowchart of the present invention, showing the detailed steps of updating the startup program block of BI0s. Fig. 5A is a system block of the present invention, showing the positions of the repair switch and the busbar cutter during the backup of Bi0s data.

The secondary material is the system block of the present invention, which shows the bits of the BIOS ', U slave' repair switch and the bus switch. [Illustration of Symbols] 10 11 12 13 14 20 30 40 Read Memory (Flash ROM) Random Access Memory (RAM) BI 0 S Monitor Program Bus Switch Repair Switch

System R〇M (BIOS)

Computer main system

Page 11

Claims (1)

518514 VI. Scope of patent application 1 A device for protecting B I 〇 次 secondary soil of a notebook computer, which is stored in the system ROM, is used to protect the storage-microcontroller, including. System B "os data 'includes: memory, and a memory stored in memory, read memory, a random access sequence, used to perform the β 1 0S monitoring process including respect: After the backup of the BI OS data: τ 'system of B 1 0S data fails to update, assist the use of the boot process or the data industry; the subscriber performs the repair of the BI 0S data as a bus switcher. The data system of the bus of I System ROM is used to switch the transmission path of J Behr; and a repair switch, which is normally set to a non-active person to manually switch to a crop field, which can be started at the beginning of the new boot. Micro-control industry. 『Operation of 131 〇s lean material repair work 2, as described in the scope of the patent application of the accompanying device, wherein the micro-control brain _ data controller's read-only memory ... 2: 1 隹 c bus pair The Micro 〇ystem ROM performs Βΐ〇ς 杳 祖 ώΑ # copies and repairs. Dingbeco's preparation 3. As described in the item i of the scope of patent application, the notebook device is protected. The P BIOS taxi in the bean ^ BIOS material system § is in an inactive (dlsaMe) position, passing the confluence. The row switch enables System R0M's sink, fish, H control, and memory to be connected, and performs the operation of inserting the micro = memory into the system's ROM. V Page 12 518514 Six 'Applicable patent scope Read-only record of materials backed up to this microcontroller As stated in item 1 of the patent scope of Shenyan, please keep it ^ ^. The device 'where the repair switch is before the 2 brain observation data repair operation' the repair is started to start the BIOS data controller through the bus switch, = the active position, the micro bus and the microcontroller's Read-only note: ystem ROM's sink _ write the system BI0S and make a connection 'and then in the read-only memory of Smem _I () S fn in the microcontroller ROM, complete the BIOS data Repair ,. Newly saved to System, a kind of BOS ^ BI OS ^, ^ fiJ that protects laptops, stored in System ROM = according to the following steps and repair operations, this step includes: Data backup 1. The steps of backing up the BI os data are the beginning of the system, moving the system's data 222: read-only memory; and the blade master U & system 1-2, repair b I 〇 s data step, when the order fails, a warning message is issued by the microcontroller to open a machine = the -repair switch is set to an active position ::; when the system 'starts the BI0s of the microcontroller : Re: Reordering, used to back up the BIOS System ROM in its read-only memory. Itu owner protects the Bi0s data of the laptop as described in item 5 of the patent application scope. Fang /, where the microcontroller is connected to the microcontroller through an I 2C bus Page 13 6. Scope of patent application The read-only memory of the controller and repair operations. 7. If the method in the scope of the patent application is the fifth item, it also includes the step of only reading the system to the microcontroller at the beginning of the BIOS update, if it is the data step. 8. As described in the fifth method of the patent application, the package includes: The BIOS data backup with the System ROM to protect the BI 0s data of the notebook computer. There is a step to update the BIOS data. At the beginning of the main data, Back up the old version of B 丨 os data, and then write the new version of BI 〇s data to write failure. Then execute the aforementioned repair of BI 〇s to protect the BI 〇s of the notebook computer, including an updated BI 0S data. Steps, first, enter the BIOS setting day and wait for the user to update the BIOS data request; 2. After confirming the information to start the update ^ 丨 〇s, save the old version originally stored in the S + ystem ROM Back up the BI0S data to the read-only memory of the microcontroller, otherwise skip to step 9; 3. If the old version of BI 0S data is successfully backed up, write the new version of b I 0S data into the system ROM, otherwise, Repeat the backup of the old version of the BIOS data. If the backup fails for three times in total, the update operation of the BIOS data is ended. 4. If the new version of the BIOS data is successfully written into the System ROM, skip to step 9, otherwise continue. Continue to the next step; 5. A warning message is issued by the microcontroller, prompting the user to cut off the computer's power first, and then switch the repair switch to a function Sichuan 514 on page 14 "'Patent application scope will restore the old BIOS data backed up to the location of System ROM' and then turn on the computer's power again; within 7 of these microcontrollers will send a message of successful storage to use the Y prompt The user first cuts off the power of the computer, then switches the repair sweat switch to an inactive position, and then turns on the computer's power again; 8 > /, wait for the user to re-enter the β 丨 〇S of step 1 Set the daylight, and then enter the normal boot operation after the BI 0 S self-check is completed: and end the steps for updating the BIOS data; 9, the main startup program block for updating the BIOS data, if the update is successful, it ends Update the data step of β 丨 〇s, otherwise continue to the next step;-A warning message is issued by the controller, prompting the user to cut the capillary green first, and then switch the repair switch to an active position ' Then turn on the computer's power again: the main startup f-sequence blocks stored in an emergency floppy are stored back into r⑽; and 1 2 β by σ 海The controller sends a message to save the success to the user. "The user first cuts off the computer's power, then switches the repair switch to an inactive position, then turns on the computer's power again, and then jumps to the Step 8. Page 15