CN1667580A - Computer system having multiple BIOS storage areas and operation method thereof - Google Patents
Computer system having multiple BIOS storage areas and operation method thereof Download PDFInfo
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- CN1667580A CN1667580A CN 200410028361 CN200410028361A CN1667580A CN 1667580 A CN1667580 A CN 1667580A CN 200410028361 CN200410028361 CN 200410028361 CN 200410028361 A CN200410028361 A CN 200410028361A CN 1667580 A CN1667580 A CN 1667580A
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Abstract
This invention discloses a computer system with multiple basic input and output system (BIOS) storage block and its operational method wherein the single or the double BIOS structure is used to provide multiple storage block comprising inner and outer storage block. When the outer block storage BIOS is wrong, the invention copies the inner block storage to the outer block storage. Users cannot change the inner block storage BIOS data, and there isn't frequency limitation in the rescue restoring movement.
Description
Technical field
The present invention relates to a kind of computer system and method for operating thereof with multiple Basic Input or Output System (BIOS) (BIOS) memory block, relate in particular to outside and inner two BIOS that the storage memory structure designs of a kind of tool, and system user itself can't revise the BIOS data of internal storage region, therefore can utilize the BIOS data of internal storage region to reach the reparation effect of not limitting number of times.
Background technology
BIOS is the abbreviation of Basic Input or Output System (BIOS) (Basic Input Output System), has preserved the most important basic input/output routine of microcomputer system, System self-test program.BIOS is stored in variable formula reservoir at present mostly, as: flash memory (Flash Memory), EEPROM (Electrically Erasable Programmable Read Only Memo) (Electrically Erasable Programmable Read-Only Memory), FWH (Firmware Hub).Behind computer booting, promptly load BIOS and execution from variable formula reservoir.Because can carry out more new element to BIOS, and can remain on latest edition at any time.But this means that also the user also may revise BIOS because of curious, casual entering in using a computer, or because the invasion of virus all may cause the BIOS error in data, and cause computing machine normally to move.
The BIOS automated back-up rescue mode that addresses the above problem has following two kinds at present.
Under the framework of single BIOS, the main memory block of BIOS of using except start, in addition again the partitioning portion space as BIOS back-up storage district.When computing machine is started shooting for the first time, the BIOS data of main memory block can be copied to the back-up storage district.If during start, the BIOS of main memory block can't start computing machine, will use the BIOS in back-up storage district to start computing machine.
Fig. 1 is the operational flowchart of known single BIOS framework.Computer starting (S10) at first; If because of the BIOS content alteration as the BIOS data of the version updating of BIOS, poisoning intrusion or loading error, cause the BIOS of main memory block to suffer to change (S12); Again after the start (S14); Can read the BIOS (S16) of main memory block; If read then computer starting success (S20) of success, if instead back-up storage district BIOS (S18) is then read in failure; If the data of back-up storage district BIOS are correct, then computing machine can start success (S22), on the contrary then computer starting failure (S24).
The problem of this kind automated back-up rescue mode is, if the user of system upgrades BIOS and makes a mistake, the BIOS data of poisoning intrusion or loading error, except main storage area BIOS is damaged, when starting shooting for the first time, the backup storage area BIOS that copies to also is same wrong data, cause BIOS main and the backup storage area all to make a mistake, computing machine will can't start forever.In addition, because main storage area BIOS makes a mistake, and when switching to backup storage area BIOS start, upgrade failure or computer virus invasion if BIOS takes place again when computing machine, this backup storage area BIOS also will damage, and computing machine also can't start forever.
Under the framework of dual BIOS, can increase on the motherboard and differentiate chip.By judging circuit and select circuit, damage and can not start shooting the time, by the automatic differentiation of circuit, enabling in addition, single BIOS starts computing machine and reach as single BIOS wherein.
Fig. 2 is the operational flowchart of known two BIOS frameworks.Computer starting (S30) at first; If because of the BIOS content alteration as the BIOS data of the version updating of BIOS, poisoning intrusion or loading error, cause single BIOS data to suffer to change (S32); Again after the start (S34); Can read first BIOS data (S36); If read then computer starting success (S40) of success, if instead second BIOS data (S38) are then read in failure; If second BIOS data are correct, then computing machine can start success (S42), on the contrary then computer starting failure (S44).
The problem of this kind automated back-up rescue mode is, when starting shooting with other single BIOS if the wherein single BIOS of computing machine damages, again the generation systems user upgrade BIOS and make a mistake, the BIOS data of poisoning intrusion or loading error, then single BIOS also will damage in addition, cause computing machine to start.In addition, this kind mode need more than two BIOS, differentiate chip and select circuit, cost of manufacture is expensive, system maintenance with use in the operation all comparatively complicated.
Summary of the invention
The objective of the invention is in that a kind of computer system with multiple Basic Input or Output System (BIOS) (BIOS) memory block is provided, when BIOS makes a mistake, provide the mechanism of rescue many times.Allow user of system or dealer avoid the hardship of BIOS damage, save the time and the cost of maintenance.
To achieve these goals, the invention provides a kind of computer system, wherein comprise with multiple Basic Input or Output System (BIOS) (BIOS) memory block: an external memory area, store start data, read during only for a computer booting; One internal storage region stores basic start data, when the start data failure of this external memory area, provides power up function; By this, in when start and when not having the Basic Input or Output System (BIOS) hardware fault, computing machine only can be started by the start data of this external memory area, and can not started by the basic start data of this internal storage region, to guarantee the integrality and the security of the stored data of this internal storage region.The present invention also provides a kind of method of the computer system power-on by multiple Basic Input or Output System (BIOS) (BIOS) memory block, be with a BIOS chip be divided into an external memory area BIOS with and the BIOS of an internal storage region, after start, carry out the following step: a specific character string of checking this external memory area BIOS; When this specific character string is correct, carry out this external memory area BIOS; When this specific character string mistake, this internal storage region BIOS is copied to this external memory area BIOS, repeat the step of starting shooting.
The present invention provides a kind of method of the computer system power-on by multiple Basic Input or Output System (BIOS) (BIOS) memory block again, be that one the one BIOS chip is stored an external memory area BIOS, one the 2nd BIOS chip stores an internal storage region BIOS, carries out the following step after start: a specific character string of checking this external memory area BIOS; When this specific character string is correct, carry out this external memory area BIOS; When this specific character string mistake, this internal storage region BIOS is copied to this external memory area BIOS.
That is to say that according to characteristics of the present invention, the present invention stores memory structure with BIOS,, change into dual district's storage memory structure by single district's storage memory structure.Dual district's storage memory structure is made up of single external memory area and an internal storage region.Internal storage region BIOS has the function of repairing many times for external memory area BIOS.So can solve the problem that causes computing machine to start shooting because of the BIOS damage.
According to another characteristics of the present invention, the present invention is the one group of specific character string in pre-Tibetan in the BIOS startup data files, checks whether be correct label, model, bios version and BIOS date during for start.In the time of can avoiding system operator to upgrade BIOS, load incorrect version, the situation that causes computer hardware to drive.
According to another characteristics of the present invention, the invention provides application program to client, the BIOS of external memory area can only be used for revising, and the BIOS of internal storage region can not be revised; The application program of manufacturer end then can be revised the BIOS of outside and internal storage region.So can guarantee the correctness of the BIOS of internal storage region, and satisfy the demand that the user upgrades for bios version.
For above-mentioned purpose of the present invention, characteristics are more understood for the people is clear, conjunction with figs. illustrates preferred embodiments of the present invention now:
Description of drawings
Fig. 1 is the operational flowchart of known single BIOS framework;
Fig. 2 is the operational flowchart of known dual BIOS framework;
Fig. 3 is a BIOS workflow diagram of the present invention;
Fig. 4 is the single BIOS framework of the present invention;
Fig. 5 is the single BIOS operational flowchart of the present invention;
Fig. 6 A and Fig. 6 B are the dual BIOS framework of the present invention;
Fig. 7 is the dual BIOS operational flowchart of the present invention;
Computer system first instantiation of Fig. 8 multiple BIOS memory block for the present invention has;
Computer system second instantiation of Fig. 9 multiple BIOS memory block for the present invention has.
Wherein, description of reference numerals is as follows:
10 internal storage regions, 12 external memory area
20 external memory area, 30 internal storage regions
S10 computer starting S12 BIOS content alteration
The S14 S16 that starts shooting again reads main memory block BIOS
S18 reads the success of back-up storage district BIOS S20 computer starting
The failure of S22 computer starting success S24 computer starting
S30 computer starting S32 BIOS content alteration
The S34 S36 that starts shooting again reads first BIOS data
S38 reads second BIOS data S40 computer starting success
The failure of S42 computer starting success S44 computer starting
S100 computer starting S102 BIOS content alteration
The S104 S106 that starts shooting again reads external memory area BIOS
S108 duplicates internal storage region BIOS to external memory area
The success of S110 computer starting
S200 start S202 checks external memory area BIOS one specific character string
S204 carries out external memory area BIOS S206 and duplicates internal storage region BIOS to external memory area
The success of S208 computer starting
S300 start S302 checks external memory area BIOS one specific character string
S304 carries out external memory area BIOS S306 and duplicates internal storage region BIOS to external memory area
S308 computer starting success S310 checks external memory area BIOS one specific character string
S312 turning circuit S314 starts computing machine with internal storage region BIOS
40 computer systems, 402 pick-up units
404 exterior storage blocks, 406 storage inside blocks
50 computer systems, 502 pick-up units
504 exterior storage blocks, 506 first storage inside blocks
508 second storage inside blocks
Embodiment
The present invention stores memory structure with BIOS, by single district memory block memory structure, changes into dual district and stores storage organization.Dual district's storage memory structure is made up of an external memory area and an internal storage region.External memory area stores general start desired data, and internal storage region stores the most basic start desired data.
When computing machine is started shooting at every turn, only can read BIOS and start from external memory area, and not internally the memory block read BIOS and start.When scrutiny program is found the BIOS data damage of external memory area or incorrect, then automatically the BIOS of internal storage region is copied to external memory area, make the computing machine required master data that can obtain once more to start shooting, and then restart computing machine.The BIOS that so can guarantee internal storage region is unlikely to be damaged, and the external memory area of can rescue many times being destroyed.
Fig. 3 illustrates according to BIOS workflow diagram of the present invention, under the state of computer starting (S100), if because of the BIOS content alteration as the BIOS data of the version updating of BIOS, poisoning intrusion or loading error, cause the BIOS of external memory area to suffer to change (S102).At start back (S104) again next time, the BIOS that then reads external memory area is so that judge whether can normal boot-strap (S106).If the BIOS data that changed are correct, computing machine can start success (S110); If the BIOS error in data that is changed, the BIOS data of external memory area can't start computing machine naturally, and copy to external memory area (S108) with the BIOS of internal storage region this moment automatically, and then start makes the computer starting success again.This duplicates the not restriction of number of times of action itself that internal storage region is rescued external memory area.
The present invention stores memory structure with BIOS, is divided into external memory area and internal storage region.In actual operation, can be the framework of single BIOS or the framework of dual above BIOS.
With reference to Fig. 4 and Fig. 5, illustrate that wherein external memory area and internal storage region are provided by single BIOS according to single BIOS framework of the present invention.Fig. 4 is single BIOS framework, and address 40000-7FFFF among the single BIOS is defined as external memory area 12, uses for computer booting; Address 00000-3FFFF is defined as internal storage region 10, during for the computer booting failure, and the rescue external memory area.
Fig. 5 illustrates the operational flowchart according to the single BIOS of the present invention.When computer booting (S200), use the external memory area BIOS of address at 40000-7FFFF, if BIOS has any change, only can change the BIOS of this memory block.
Whether one discriminating program will be checked the specific character string (S202) among the external memory area BIOS, see because of the BIOS data of version updating, poisoning intrusion or the loading error of BIOS, cause external memory area BIOS to damage.
If check result BIOS data are correct, then executive address normally starts computing machine (S208) at the external memory area BIOS of 40000-7FFFF (S204).Yet if check result BIOS error in data, the program of repairing is about to the address and copies to the address at the external memory area BIOS of 40000-7FFFF (S206) at the internal storage region BIOS of 00000-3FFFF.
When computing machine starts once more, can utilize the address in the external memory area BIOS of 40000-7FFFF start, can guarantee start smoothly because external memory area BIOS has been replaced as basic start data this moment, so promptly finishes the operation that the BIOS mistake is repaired automatically.
With reference to Fig. 6 A, 6B and Fig. 7 illustrate that wherein external memory area and internal storage region are provided by dual BIOS respectively according to dual BIOS framework of the present invention.Fig. 6 A and 6B are dual BIOS framework, and single BIOS is defined as external memory area 20, please refer to Fig. 6 A, use for computer booting; Other single BIOS is defined as internal storage region 30, please refer to Fig. 6 B, during for the computer booting failure, the rescue external memory area.
Fig. 7 illustrates the operational flowchart according to the dual BIOS of the present invention, when computer booting (S300), uses external memory area BIOS, if BIOS has any change, only can change the BIOS of this memory block.
Whether one differentiates chip will check specific character string (S302) among the external memory area BIOS, see because of the BIOS data of version updating, poisoning intrusion or the loading error of BIOS, cause external memory area BIOS damage.
If check result BIOS data are correct, then carry out external memory area BIOS (S304), computer starting success (S308).Yet if check result BIOS error in data, the program of repairing is about to internal storage region BIOS and copies to external memory area BIOS (S306).
This differentiation chip will reexamine the specific character string among the external memory area BIOS, see whether the external memory area BIOS after the reparation damages (S310).
If check result BIOS data are correct, then start starts computing machine (S300) again.Yet, if check result BIOS error in data utilizes short circuit to come turning circuit (S312), and starts computing machine (S314) with internal storage region BIOS.
Computer system first instantiation of Fig. 8 multiple BIOS memory block for the present invention has.Whole computer system 40 has comprised an exterior storage block 404, in order to storing a Basic Input or Output System (BIOS) (BIOS), and required information so that this computer booting to be provided; One storage inside block 406 can be for basic input-output system (BIOS) boot-strap information of backup of start usefulness in order to store one; Whether one pick-up unit 402 is damaged in order to the start data that detect in Basic Input or Output System (BIOS) (BIOS) memory block.
When this exterior storage block 404 was not damaged, the boot-strap information that this computer system can read this exterior storage block 404 started this computer system; When these exterior storage block 404 damages, this computer system can copy to basic input-output system (BIOS) boot-strap information of backup that is stored in this start usefulness of this storage inside block 406 in this exterior storage block 404, so that boot-strap information required when starting shooting again to be provided.
Computer system second instantiation of Fig. 9 multiple BIOS memory block for the present invention has.Whole computer system 50 has comprised an exterior storage block 504, in order to storing a Basic Input or Output System (BIOS) (BIOS), and required information so that this computer booting to be provided; One first storage inside block 506 can be for basic input-output system (BIOS) boot-strap information of backup of start usefulness in order to store one; One second storage inside block 508 also is can be for basic input-output system (BIOS) boot-strap information of backup of start usefulness in order to store one; Whether one pick-up unit 502 is damaged in order to the start data that detect in Basic Input or Output System (BIOS) (BIOS) memory block.
When this exterior storage block did not damage 504, the boot-strap information that this computer system can read this exterior storage block 504 started this computer system; When these exterior storage block 504 damages, this computer system can copy to basic input-output system (BIOS) boot-strap information of backup that is stored in this start usefulness of this first storage inside block 506 in this exterior storage block 504, so that boot-strap information required when starting shooting again to be provided.
When this exterior storage block 504 and the first storage inside block 506 are all damaged, this computer system can copy to basic input-output system (BIOS) boot-strap information of backup that is stored in this start usefulness of this second storage inside block 508 in this exterior storage block 504 and this first storage inside block 506, so that boot-strap information required when starting shooting again to be provided.
In two above-mentioned instantiations, all can add the application program that client is provided and the step of the application program of manufacturer end is provided, wherein offer the application program of client, can only be used for revising the BIOS of external memory area, and can not revise the BIOS of internal storage region; The application program of manufacturer end then can be revised the BIOS of outside and internal storage region.So can guarantee the correctness of the BIOS of internal storage region, and satisfy the demand that the user upgrades for bios version.
In a word, the present invention has following effect:
(1) do not rescue the restriction of number of times:
The present invention can prevent the locking system user due to illness poison invasion, BIOS renewal process mistake, load the start memory block damage situation that incorrect bios version or other cause BIOS, avoid computing machine not start.And when rescue system starts,, can not cause rescue BIOS data destroyed yet, cause computing machine can't start shooting forever, therefore the restriction of not rescuing number of times if when above-mentioned BIOS start data damage situation takes place once more.
(2) the BIOS data is complete and latent close
The present invention stores memory structure with BIOS, be divided into external memory area and internal storage region, restriction can only be started by external memory area, takes place once more if influence the situation that the BIOS data make a mistake, also only can influence external memory area, so can guarantee the data integrity and the confidentiality of internal storage region.The mode of the rescue of BIOS backup at present, all take a plurality of BIOS starts district, take place promptly to take turns starting when running into fault, if influence lasting generation of situation that the BIOS data make a mistake, to cause the BIOS district of each startup to receive damage in succession, thereby lose can for the start data, computing machine can't start.
(3) with existing motherboard compatibility
The present invention can operate on single BIOS or the framework of dual BIOS.If on single BIOS framework, operate, can be compatible with the motherboard of all single BIOS frameworks at present, finish the assembly that need not increase or revise on the motherboard other, just can allow motherboard possess the ability of BIOS restoration after a failure and the automatic reparation of bios version conflict.If on dual BIOS framework, operate, except above-mentioned advantage, when hardware fault taking place, the BIOS of second inside can also be become outside BIOS, to start computing machine as if first outside BIOS.
(4) correctness inspection
The present invention is the one group of specific character string in pre-Tibetan in the BIOS startup data files, checks whether be correct label, model, bios version and BIOS date during for start.In the time of can avoiding system operator to upgrade BIOS, load incorrect version, the situation that causes computer hardware to drive.
(5) save cost and time
User and dealer can avoid because BIOS problem, the loss of time of being caused and money waste.
The present invention illustrates as above that with preferred embodiment those of ordinary skill in the art all can be changed these embodiment, can be flash memory, electrically erasable read-only memory, FWH as external memory area.Internal storage region can be flash memory, electrically erasable read-only memory, FWH, mask ROM (Mask Read-Only Memory), programmable read only memory (Programmable Read-OnlyMemory), EPROM (Erasable Programmable Read Only Memory) (Erasable programmable Read-OnlyMemory).And the alternate embodiment that constitutes like this neither departing from the scope of the present invention on spirit and scope.
Claims (10)
1, a kind of computer system with multiple Basic Input or Output System (BIOS) memory block wherein comprises:
One external memory area stores start data, reads during only for a computer booting;
One internal storage region stores basic start data, when the start data failure of this external memory area, provides power up function;
By this, in when start and when not having the Basic Input or Output System (BIOS) hardware fault, computing machine only can be started by the start data of this external memory area, and can not started by the basic start data of this internal storage region, to guarantee the integrality and the security of the stored data of this internal storage region.
2, the computer system with multiple Basic Input or Output System (BIOS) memory block as claimed in claim 1, it is characterized in that in the start data of this external memory area, also comprise one group of specific character string, check whether be correct label, model, Basic Input or Output System (BIOS) version and Basic Input or Output System (BIOS) date during for start.
3, the computer system with multiple Basic Input or Output System (BIOS) memory block as claimed in claim 1, the start data that it is characterized in that this external memory area, be the data that can be changed by a updating BIOS software, and the data that the basic start data of this internal storage region configure when dispatching from the factory for this computing machine.
4, the computer system with multiple Basic Input or Output System (BIOS) memory block as claimed in claim 1 is characterized in that this external memory area and this internal storage region are the different memory areas of single Basic Input or Output System (BIOS).
5, the computer system with multiple Basic Input or Output System (BIOS) memory block as claimed in claim 1 is characterized in that this external memory area and this internal storage region are respectively dual Basic Input or Output System (BIOS) and provide.
6, a kind of method of the computer system power-on by multiple Basic Input or Output System (BIOS) memory block, be the Basic Input or Output System (BIOS) that a BIOS chip is divided into an external memory area Basic Input or Output System (BIOS) and an internal storage region, wherein after start, carry out the following step:
Check a specific character string of this external memory area Basic Input or Output System (BIOS);
When this specific character string is correct, carry out this external memory area Basic Input or Output System (BIOS);
When this specific character string mistake, this internal storage region Basic Input or Output System (BIOS) is copied to this external memory area Basic Input or Output System (BIOS), repeat the step of starting shooting.
7, the method for the computer system power-on of multiple Basic Input or Output System (BIOS) as claimed in claim 6 memory block, it is characterized in that this specific character string, can be label, motherboard model, Basic Input or Output System (BIOS) version and the Basic Input or Output System (BIOS) date of motherboard.
8, the method for the computer system power-on of multiple Basic Input or Output System (BIOS) as claimed in claim 6 memory block, it is characterized in that this external memory area Basic Input or Output System (BIOS) can be changed by a updating BIOS software, and the data that this internal storage region Basic Input or Output System (BIOS) is a computing machine to configure when dispatching from the factory.
9, a kind of method of the computer system power-on by multiple Basic Input or Output System (BIOS) memory block, be that one first BIOS chip is stored an external memory area Basic Input or Output System (BIOS), one second BIOS chip stores an internal storage region Basic Input or Output System (BIOS), wherein carries out the following step after start:
Check a specific character string of this external memory area Basic Input or Output System (BIOS);
When this specific character string is correct, carry out this external memory area Basic Input or Output System (BIOS);
When this specific character string mistake, this internal storage region Basic Input or Output System (BIOS) is copied to this external memory area Basic Input or Output System (BIOS).
10, the method for the computer system power-on of multiple Basic Input or Output System (BIOS) as claimed in claim 9 memory block, after this internal storage region Basic Input or Output System (BIOS) is copied to this external memory area Basic Input or Output System (BIOS), wherein also comprise the following step:
Check a specific character string of this external memory area Basic Input or Output System (BIOS);
When this specific character string is correct, repeat the step of starting shooting;
When this specific character string mistake, with this internal storage region starting basic input and output system computing machine.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200410028361 CN1667580A (en) | 2004-03-10 | 2004-03-10 | Computer system having multiple BIOS storage areas and operation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200410028361 CN1667580A (en) | 2004-03-10 | 2004-03-10 | Computer system having multiple BIOS storage areas and operation method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012079400A1 (en) * | 2010-12-15 | 2012-06-21 | 中兴通讯股份有限公司 | Method and apparatus for upgrading embedded system bootrom |
| CN103455344A (en) * | 2013-08-02 | 2013-12-18 | 深圳创维数字技术股份有限公司 | Method and device for optimizing operating system |
| CN104182289A (en) * | 2013-05-27 | 2014-12-03 | 英业达科技有限公司 | System restoring method |
| CN103970621B (en) * | 2013-01-31 | 2017-06-23 | 鸿富锦精密工业（深圳）有限公司 | The method of mainboard and its backup substrate management control system |
| CN114594995A (en) * | 2020-12-03 | 2022-06-07 | 联阳半导体股份有限公司 | Electronic device and starting method thereof |
-
2004
- 2004-03-10 CN CN 200410028361 patent/CN1667580A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012079400A1 (en) * | 2010-12-15 | 2012-06-21 | 中兴通讯股份有限公司 | Method and apparatus for upgrading embedded system bootrom |
| CN103970621B (en) * | 2013-01-31 | 2017-06-23 | 鸿富锦精密工业（深圳）有限公司 | The method of mainboard and its backup substrate management control system |
| CN104182289A (en) * | 2013-05-27 | 2014-12-03 | 英业达科技有限公司 | System restoring method |
| CN103455344A (en) * | 2013-08-02 | 2013-12-18 | 深圳创维数字技术股份有限公司 | Method and device for optimizing operating system |
| CN114594995A (en) * | 2020-12-03 | 2022-06-07 | 联阳半导体股份有限公司 | Electronic device and starting method thereof |
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