CN100347689C - Circuit for protecting data on hard disc - Google Patents
Circuit for protecting data on hard disc Download PDFInfo
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- CN100347689C CN100347689C CNB01100603XA CN01100603A CN100347689C CN 100347689 C CN100347689 C CN 100347689C CN B01100603X A CNB01100603X A CN B01100603XA CN 01100603 A CN01100603 A CN 01100603A CN 100347689 C CN100347689 C CN 100347689C
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- hard disk
- connector
- circuit
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- hard disc
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Abstract
The present invention provides a circuit for protecting data on hard discs, which comprises a first hard disc connector, a second connector, a hard disc signal processor, a random access memory, a non-electric semiconductor memory with program codes, and a microprocessor, wherein the program codes can be executed by the microprocessor to convert a reading/writing signal command which corresponds to a main data space of a hard disc of a host board hard disc of a computer into the reading/writing signal command which corresponds to a virtual data space of the hard disc. Moreover, when the virtual data space of the hard disc is damaged, the circuit can rewrite the data of the main data space of the hard disc in the virtual data space.
Description
The invention relates to a kind of circuit of protecting data on hard disc, it is particularly about a kind of circuit that connects the protection data on hard disc of the similar hard disk connector mode as ide interface of computer main frame panel.
The circuit of known protection data on hard disc all is to be inserted on the slot of the ISA (Industry Standard Archi tecture) of computer main frame panel or PCI (Peripheral ComponentInterconnect) in the adapter mode; but known manner is reached the means of protection data on hard disc; often can not break away from INT 13 instructions for hard disk operation in the BIOS that tackles computer main frame panel; perhaps the document system of the operating system of often installing with hard disk is closely bound up; the circuit of for example known protection data on hard disc is designed if be directed to the document system of operating system of Microsoft company; then can't directly be used in the document system of the operating system of Apple (Apple); therefore means and various types of operating system of the protection data on hard disc reached of known manner have correlativity; the user is when installing the circuit of known protection data on hard disc simultaneously; the driver that is relative to each other with operating system must be installed again; when if the generation driver is destroyed, then possibly can't normal operation for the circuit of then known protection data on hard disc.
The present invention seeks between computer main frame panel and hard disk, to provide the circuit of the protection data on hard disc that a kind of utmost point simplification installs, and again loaded down with trivial details driver need not be installed, just can reach the purpose of protecting data on hard disc with operating system independent.
For reaching above-mentioned purpose of the present invention, the invention provides a kind of circuit of protecting data on hard disc, it comprises: first hard disk connector, it connects the hard disk connector of computer main frame panel; Second connector, it connects hard disk; The hard disk signal processor, it connects this first hard disk connector, this second connector, reaches a microprocessor; Random access memory, it connects this microprocessor; Have the non-of program code according to electrical semiconductor memory, wherein this program code can be carried out by this microprocessor, makes that be read/write signal order corresponding to the virtual data space of this hard disk with this computer main frame panel hard disk connector corresponding to the master file space read/write signal command conversion of this hard disk; This microprocessor, it is used to carry out this program code; In view of the above, when the virtual data space of this hard disk data was destroyed, this circuit can write this virtual data space again with the master file space data of this hard disk.
Be familiar with this technology personage and understand purpose of the present invention, feature and effect for making,, and cooperate appended accompanying drawing, the present invention is described as follows in detail now with reference to following specific embodiment:
Fig. 1 shows Organization Chart of the present invention.
Fig. 2 shows that hard disk partition is the synoptic diagram in master file space and virtual data space.
Fig. 3 shows the execution picture of external program code.
Fig. 4 shows that the present invention places non-process flow diagram of complying with the program code of electrical semiconductor memory.
Among the figure:
The circuit 40b winding displacement of 10 protection data on hard disc
20 circuit motherboards, 100 first hard disk connectors
30 hard disks, 101 second connectors
20a hard disk connector 102 is non-according to electrical semiconductor memory
30a master file space 103 hard disk signal processor
30b virtual data space 104 microprocessors
30c remaining space 105 random access memorys
The 40a winding displacement
Fig. 1 shows Organization Chart of the present invention.Fig. 1 protects the circuit 10 of data on hard disc to comprise: first hard disk connector 100, and it connects the hard disk connector 20a of computer main frame panel 20; Second connector 101, it connects hard disk 30; Hard disk signal processor 103, it connects first hard disk connector 100, second connector 101, reaches microprocessor 104; Random access memory 105, it connects microprocessor 103; One has the non-according to electrical semiconductor memory 102 of program code, wherein this program code can be carried out by microprocessor 104, makes that be read/write signal order corresponding to the virtual data space of hard disk 30 with the hard disk connector 20a of computer main frame panel 20 corresponding to the master file space read/write signal command conversion of hard disk 30; Microprocessor 104, it is used to carry out non-program code according to electrical semiconductor memory 102.General traditional computer main frame panel 20 possesses an interface that is used for connection ID E (Integrated Device Electronics) device usually at least, and the user of computer main frame panel 20 utilizes devices such as this interface connection ID E hard disk, IDE CD-ROM drive.The circuit 10 of preferred embodiment of the present invention is that the hard disk connector 20a with computer main frame panel 20 is that ide interface is as open explanation.In view of the above, first hard disk connector 100 and second connector 101 all are the IDE connector, and it connects the hard disk connector 20a and the hard disk 30 of computer main frame panel 20 respectively with winding displacement 40a and 40b.
According to circuit 10 of the present invention, hard disk 30 need be divided into master file space 30a and virtual data space 30b earlier.Fig. 2 shows that hard disk partition is the synoptic diagram in master file space and virtual data space.The master file space 30a of Fig. 2 is the identical hard drive space L of size with virtual data space 30b, its reference position is respectively S0 and S1, wherein the numerical value of hard drive space L can be set via carrying out an external program code (external program code), in order to the master file space 30a that hard disk 30 is divided into hard drive space L and the virtual data space 30b of hard drive space L.Fig. 3 shows the execution picture of external program code.For example the user imports " 1000 " under the option that the execution picture of Fig. 3 " 1. please be imported master file space values (MB) ", and it is the master file space 30a of 1000MB and the virtual data space 30b that hard drive space L is 1000MB that its expression user divides hard drive space L with hard disk 30.Wherein master file space 30a is similar to the MicroSoft Windows through installation mainly as storing, or further stores similar to Microsoft office application software that the person of installing and using must often use again.For example the user enters the option of " 2. for the first time Installation Modes " in the execution picture and selecting of Fig. 3, and the user just can carry out installing operating system and application software.When the user finishes installing operating system and application software for the first time in master file space 30a, at this moment, the user enters the option of " 3. switching to the virtual data spatial model " in the execution picture and selecting of Fig. 3, the data of all master data space 30a that circuit 10 just will be installed for the first time, it is copied to virtual data space 30b, switches to virtual data space 30b then.In view of the above; circuit 10 with the hard disk connector 20a of circuit motherboard 20 originally to the read/write requirement of the master file space 30a of hard disk 30; convert it to read/write requirement, and reach operating system and the application software of protecting all storage master file space 30a when installing for the first time corresponding to virtual data space 30b.If take place later on similar as the destructive hard disk document of computer virus deletion and write, this destructive action only can have influence on virtual data space 30b, at this moment, the user enters the option of " 3. switching to the virtual data spatial model " again in the execution picture and selecting of Fig. 3, the data of all master file space 30a that circuit 10 just will be installed for the first time, copy to virtual data space 30b again, switch to virtual data space 30b then, so just the operation of energy recovery operation system and application software.If hard disk 30 still has remaining space 30c after dividing, this remaining space 30c can be operated system and work as the logic hard disk.
Fig. 4 shows that the present invention places non-process flow diagram of complying with the program code of electrical semiconductor memory.Step 50 is the read/write patterns whether decision circuitry 10 switches to virtual data space 30b, if then enter step 51, otherwise enter step 52.Step 51 is converted to the read/write signal order corresponding to virtual data space 30b with the hard disk connector 20a of the circuit motherboard 20 read/write signal order corresponding to master file space 30a.For example the hard disk connector 20a of circuit motherboard 20 sends the order of read/write signal to the S0+xx position of master file space 30a, step 51 is about to the S0+xx position and is converted to the S1+xx position, wherein this S1+xx position is to be positioned at virtual data space 30b, and its correspondence is positioned at the S0+xx position of master data space 30a.Step 52 is with the hard disk connector 20a of the circuit motherboard 20 read/write signal order corresponding to master file space 30a, directly master file space 30a is carried out read/write.For example the hard disk connector 20a of circuit motherboard 20 sends the order of read/write signal to the S0+xx position of master file space 30a, step 52 is promptly directly carried out read/write to the S0+xx position of master file space 30a, step 52 mainly is when the user's installing operating system first time and application software, uses under the situation of master file space 30a.
When the user finishes for the first time installing operating system and application software behind the 30a of master file space, it can be via carrying out the said external program code in order to circuit 10 is switched to the read/write pattern of virtual data space 30b, and circuit 10 duplicates all data of master file space 30a to virtual data space 30b simultaneously.
The non-electrical semiconductor memory 102 of complying with of the present invention, it can use flash memory (flash memory), in order to upgrade the program code version that stores in it expediently.
The said external program code can be stored in a diskette sheet (floppy disk), and it reads in this external program code via floppy drive (figure shows), by CPU (the figure shows) execution of circuit motherboard 20.Perhaps the external program code is integrated in the BIOS (figure does not show) of circuit motherboard 20, carries out this external program code in a predetermined hot key (hot key) mode during via start.
Though the present invention has used a preferred embodiment openly as above; right its is not in order to limit the present invention; anyly be familiar with this operator; without departing from the spirit and scope of the present invention; when can being used for a variety of modifications and variations, so protection scope of the present invention is as the criterion when looking the protection domain that accompanying Claim defines.
Claims (5)
1. circuit of protecting data on hard disc, it comprises:
One first hard disk connector, it connects the hard disk connector of computer main frame panel;
One second connector, it connects hard disk;
A hard disk signal processor, it connects this first hard disk connector, this second connector, reaches a microprocessor;
One random access memory, it connects this microprocessor;
One has the non-according to electrical semiconductor memory of program code, wherein this program code can be carried out by this microprocessor, making this computer main frame panel hard disk connector is corresponding to the read/write signal order in the virtual data space of this hard disk corresponding to the master file space read/write signal command conversion of this hard disk and when the virtual data space of this hard disk data was destroyed, this circuit can be written into this virtual data space again with the master file space data of this hard disk.
2. circuit as claimed in claim 1 is characterized in that: this first hard disk connector is the IDE connector.
3. circuit as claimed in claim 1 is characterized in that: this second connector is the IDE connector.
4. circuit as claimed in claim 1 is characterized in that: the hard disk that this second connector is connected, it can utilize and carry out an external program code is this master file space and this virtual data space with this hard disk partition.
5. circuit according to claim 1, it is characterized in that: the master file space of this hard disk is used to store an operating system.
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB01100603XA CN100347689C (en) | 2001-01-09 | 2001-01-09 | Circuit for protecting data on hard disc |
| PCT/CA2001/001828 WO2002054251A2 (en) | 2000-12-29 | 2001-12-27 | Apparatus and method for protecting data recorded on a storage medium |
| AU2002229427A AU2002229427A1 (en) | 2001-01-09 | 2001-12-27 | Apparatus and method for protecting data recorded on a storage medium |
| DE60118626T DE60118626T2 (en) | 2001-01-09 | 2001-12-27 | PROCESS FOR PROTECTING DATA RECORDED ON A STORAGE MEDIUM |
| EP01990274A EP1410139B1 (en) | 2001-01-09 | 2001-12-27 | Method for protecting data recorded on a storage medium |
| CA002454107A CA2454107C (en) | 2000-12-29 | 2001-12-27 | Apparatus and method for protecting data recorded on a storage medium |
| AT01990274T ATE322710T1 (en) | 2001-01-09 | 2001-12-27 | METHOD FOR PROTECTING DATA RECORDED ON A STORAGE MEDIUM |
| US10/450,849 US7370165B2 (en) | 2000-12-29 | 2001-12-27 | Apparatus and method for protecting data recording on a storage medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB01100603XA CN100347689C (en) | 2001-01-09 | 2001-01-09 | Circuit for protecting data on hard disc |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1363888A CN1363888A (en) | 2002-08-14 |
| CN100347689C true CN100347689C (en) | 2007-11-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB01100603XA Expired - Fee Related CN100347689C (en) | 2000-12-29 | 2001-01-09 | Circuit for protecting data on hard disc |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100347689C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101782873B (en) * | 2009-01-15 | 2014-07-09 | 旺玖科技股份有限公司 | External storage device having security function |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5381549A (en) * | 1989-11-29 | 1995-01-10 | Canon Kabushiki Kaisha | Information processing apparatus |
| CN1127043A (en) * | 1994-04-12 | 1996-07-17 | Ntt数据通信系统公司 | Updating and restoration method of system file |
| CN1173669A (en) * | 1997-07-31 | 1998-02-18 | 周恽 | Method and appts. of transparent protection for computer rigid disk storage contents |
| CN1177810A (en) * | 1996-03-04 | 1998-04-01 | 日本电气株式会社 | Partitioned hard-disk driver and partition method for hard-disk driver |
-
2001
- 2001-01-09 CN CNB01100603XA patent/CN100347689C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5381549A (en) * | 1989-11-29 | 1995-01-10 | Canon Kabushiki Kaisha | Information processing apparatus |
| CN1127043A (en) * | 1994-04-12 | 1996-07-17 | Ntt数据通信系统公司 | Updating and restoration method of system file |
| CN1177810A (en) * | 1996-03-04 | 1998-04-01 | 日本电气株式会社 | Partitioned hard-disk driver and partition method for hard-disk driver |
| CN1173669A (en) * | 1997-07-31 | 1998-02-18 | 周恽 | Method and appts. of transparent protection for computer rigid disk storage contents |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1363888A (en) | 2002-08-14 |
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Effective date of registration: 20170605 Address after: No. 3, No. 10, development avenue, new industrial park, hi tech Zone, Shaanxi, Xi'an Patentee after: XI'AN MOREBECK SEMICONDUCTOR TECHNOLOGY CO., LTD. Address before: Ontario, Canada Patentee before: Liang Guoen |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071107 Termination date: 20190109 |