CN201327720Y

CN201327720Y - System hard disk based on IDE interface

Info

Publication number: CN201327720Y
Application number: CNU2008202238033U
Authority: CN
Inventors: 衡志宏
Original assignee: PANZHIHUA HONPARD TECHNOLOGY Co Ltd
Current assignee: PANZHIHUA HONPARD TECHNOLOGY Co Ltd
Priority date: 2008-12-26
Filing date: 2008-12-26
Publication date: 2009-10-14
Anticipated expiration: 2018-12-26

Abstract

The utility model discloses a system hard disk based on an IDE interface, pertains to the electronic document solid-state memory technology and solves the problems of the prior art including unstable performance and poor capability of anti-virus, anti-hacker and anti-spyware. The system hard disk comprises an IDE interface, a power interface, a hard disk controller I and a FLASH memory chip. The IDE interface, the power interface and the flash memory chip are respectively connected with the hard disk controller I in a bidirectional manner. The system hard disk is characterized by being provided with a write-protect switch and a hard disk controller II. The hard disk controller II is respectively connected with the hard disk controller I, the IDE interface, the power interface and the flash memory chip in a bidirectional manner and the write-protect switch is respectively connected with the hard disk controller I and the hard disk controller II in a bidirectional manner. The system hard disk adopts double protection combing both software protection and hardware protection, thereby improving the safety of the system and the ability of anti-virus, anti-hacker and anti-spyware and providing the system with more stable and more efficient working performance.

Description

A kind of system disk based on ide interface

Technical field

The utility model relates to a kind of hard disk, specifically, relates to a kind of system disk based on ide interface with hardware gas defence, anti-black, anti-Trojan function.

Background technology

Electronic hard disc (IDE Flash Disk) is a kind of memory storage that utilizes microprocessor to constitute, the low capacity electronic hard disc not only has the benefit that cost is low, shockproof, contamination resistance is strong, but also have low-power consumption, power saving, noiselessness, do not have the advantage of seek error, especially be widely used in the Industry Control by force because of shake-proof ability.

At present, common electronic hard disc mainly is made of hardware such as hard disk controller, FLASH storage chip, ide interface, power interfaces.Though traditional electronic hard disc can satisfy numerous terminal users' primary demand, also there is following deficiency:

1. along with the further developing and the expansion of user's request of solid state storage technologies, the low capacity electric board of low transmission speed has showed inferior position;

2. the circuit board of conditional electronic hard disk is not done electromagnetic screen, is subjected to extraneous electromagnetic interference (EMI) easily, and its stability, speed and safety are under some influence;

3. the conditional electronic dish is not taked safeguard measure, and the data of storage do not have safety guarantee, no hardware gas defence, anti-black, anti-Trojan ability.

In sum, present employed electronic hard disc can not well satisfy present stage users' high-speed, high security and high stability demand.

The utility model content

The purpose of this utility model is to provide a kind of system disk based on ide interface; storage block is carried out hardware writing protection, improve its gas defence, anti-black, anti-Trojan ability, and have the signal lamp prompt facility; adopt the binary channels dual master control simultaneously, improve speed, security and the stability of hard disk.

To achieve these goals, the technical solution adopted in the utility model is as follows:

A kind of system disk based on ide interface; comprise ide interface, power interface, hard disk controller I and FLASH storage chip; ide interface, power interface, FLASH storage chip carry out two-way the connection with hard disk controller I respectively; it is characterized in that; described system disk also is provided with write-protect switch and hard disk controller II; hard disk controller II respectively with hard disk controller I, ide interface, power interface, the FLASH storage chip is two-way is connected, write-protect switch respectively with hard disk controller I, hard disk controller II is two-way is connected.

The structure of described hard disk controller I and hard disk controller II and all identical with the annexation of external module, its structure is by the microprocessor unit module, the multitask interface module, inner direct memory access module, the Power Management Unit module, the SRAM buffer module, Error Correction of Coding module and embedded flash memory file system module are formed, wherein, the microprocessor unit module respectively with inner direct memory access module, the embedded flash memory file system module, the Power Management Unit module links to each other, the Error Correction of Coding module respectively with the SRAM buffer module, the multitask interface module links to each other, and the SRAM buffer module also directly links to each other with the multitask interface module.

Described embedded flash memory file system module also links to each other with the write-protect module.

Described Power Management Unit module also links to each other with power interface.

Described multitask interface module links to each other with the FLASH storage chip.

Described system disk also is provided with shell.

Described shell is anti-shielding casing.

Described system disk also is provided with LED light, and LED light links to each other with write-protect switch.

Described LED light is the dual-colored LED pilot lamp, and two kinds of colors are represented " protection " and " not protection " two states respectively.

Described hard disk controller I and hard disk controller II are 32 bit DSP hard disk controllers.

Design concept of the present utility model: with high performance 32 bit DSP hard disk controllers is core; two hard disk controllers and FLASH storage chip constitute binary channels; the realization binary channels is carried out exchanges data; improve treatment effeciency; utilize write-protect switch to prevent that the people from being loss of data or damage that maloperation causes, makes the present invention have the characteristics of high-level efficiency, high stability, high security.

For cooperating above-mentioned hardware system, the utility model has also designed a kind of protection software, not only can realize the written in software protection by this protection software, can also increase debug function, thereby realizes software and hardware double write protection of the present utility model, improves security performance.

Compared with prior art, the present invention has following advantage and remarkable result mutually:

One. the utility model adopts the assembly scheme of " two hard disk controller+write-protect switch+Flash Memory+ shielding casing "; not only improved data rate memory; strengthened antijamming capability; also have characteristics such as function is more complete, transmission speed is faster, data are safer, the speed of data storage, the safe hardware guarantee that provides are provided.

Two. the utlity model has the duplicate protection mode, i.e. hardware writing protection and written in software protection dual mode, data are safer, protect more thorough.

Three. the utility model is provided with the write-protect state display lamp, and guard mode is come into plain view, and has further improved the degree of intelligence of electric board.

Four. the high-performance 32 bit DSP hard disk controllers that the utility model adopted are powerful, and speed is fast, and antijamming capability is stronger, and stability is higher.

Five. power supply power consumption of the present invention is low, saves the energy.

The invention belongs to a kind of electronic hard disc, be mainly used in data on file safety, higher enterprises and institutions, the Industry Control of stability requirement, Aero-Space, military affairs, navigator, and family expenses, common office or professional application all can wait the field.

Description of drawings

Fig. 1 is the prior art system block diagram.

Fig. 2 external structure of the present utility model.

Fig. 3 is a system chart of the present utility model.

The corresponding title of label in the accompanying drawing: 1-shell, 2-LED pilot lamp, 3-write-protect switch.

Embodiment

The utility model is described in further detail below by coming for example.

As Fig. 2, shown in Figure 3; a kind of system disk based on ide interface; see on the whole and comprise ide interface, power interface, write-protect switch, hard disk controller I, hard disk controller II and FLASH memory chip; ide interface, power interface, FLASH storage chip both carried out two-way the connection with hard disk controller I respectively; carry out two-way the connection with hard disk controller II respectively again; simultaneously; hard disk controller I also links to each other with hard disk controller II, write-protect switch respectively with hard disk controller I, hard disk controller II is two-way is connected.

At above-mentioned hardware system; the utility model has also designed a kind of protection software; constitute duplicate protection control jointly with hardware system; thereby avoided the people to lose or damage for maloperation causes number; improve data security; can also prevent the modification of virus, wooden horse, rogue program, carry out software protection when making the utility model have hardware gas defence, anti-black, anti-Trojan function concurrently, play the effect of dual fail-safe fixed disk file.

From thin; main modular hard disk controller I in the utility model and hard disk controller II are identical functional module; they are by the microprocessor unit module; the multitask interface module; inner direct memory access module; the Power Management Unit module; the SRAM buffer module; Error Correction of Coding module and embedded flash memory file system module are formed; wherein; the microprocessor unit module respectively with inner direct memory access module; the embedded flash memory file system module; the Power Management Unit module links to each other; the embedded flash memory file system module directly links to each other with write-protect switch; the SRAM buffer module links to each other with the FLASH storage chip by the multitask interface module; the Power Management Unit module directly links to each other with power interface, and the Error Correction of Coding module respectively with the SRAM buffer module; the multitask interface module links to each other.

In the utility model, hard disk controller utilizes advantages such as this chip power-consumption is low, good stability, compatibility is good, the main frame reading speed is fast to be core with 32 bit DSPs, improves the utility model overall performance.

Described system disk also is provided with the shell 1 with anti-electro-magnetic screen function, makes it avoid electromagnetic effect, and performance is more stable.The dual-colored LED pilot lamp 2 that is connected with write-protect switch 3 then energy is pointed out the safe condition of custom system hard disk according to the state transformation color of protection switch.

Claims

1. system disk based on ide interface; comprise ide interface, power interface, hard disk controller I and FLASH memory chip; ide interface, power interface, FLASH storage chip carry out two-way the connection with hard disk controller I respectively; it is characterized in that; described system disk also is provided with write-protect switch (3) and hard disk controller II; hard disk controller II respectively with hard disk controller I, ide interface, power interface, the FLASH storage chip is two-way is connected, write-protect switch (3) respectively with hard disk controller I, hard disk controller II is two-way is connected.

2. system disk according to claim 1, it is characterized in that, described hard disk controller I and hard disk controller II are by the microprocessor unit module, the multitask interface module, inner direct memory access module, the Power Management Unit module, the SRAM buffer module, Error Correction of Coding module and embedded flash memory file system module are formed, wherein, the microprocessor unit module respectively with inner direct memory access module, the embedded flash memory file system module, the Power Management Unit module links to each other, the Error Correction of Coding module respectively with the SRAM buffer module, the multitask interface module links to each other, and the SRAM buffer module also directly links to each other with the multitask interface module.

3. system disk according to claim 2 is characterized in that, described embedded flash memory file system module also links to each other with the write-protect module.

4. system disk according to claim 2 is characterized in that, described Power Management Unit module also links to each other with power interface.

5. system disk according to claim 2 is characterized in that, described multitask interface module links to each other with the FLASH storage chip.

6. system disk according to claim 1 is characterized in that, described system disk also is provided with shell (1).

7. system disk according to claim 6 is characterized in that, described shell (1) is anti-shielding casing.

8. system disk according to claim 1 is characterized in that, described system disk also is provided with LED light (2), and LED light (2) links to each other with write-protect switch (3).

9. system disk according to claim 8 is characterized in that, described LED light (2) is the dual-colored LED pilot lamp.

10. system disk according to claim 1 is characterized in that, described hard disk controller I and hard disk controller II are 32 bit DSP hard disk controllers.