CN101593141B - Data protection method of nonvolatile memory device and computer device thereof - Google Patents
Data protection method of nonvolatile memory device and computer device thereof Download PDFInfo
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- CN101593141B CN101593141B CN 200810098992 CN200810098992A CN101593141B CN 101593141 B CN101593141 B CN 101593141B CN 200810098992 CN200810098992 CN 200810098992 CN 200810098992 A CN200810098992 A CN 200810098992A CN 101593141 B CN101593141 B CN 101593141B
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Abstract
The invention discloses a data protection method of a nonvolatile memory device and a computer device thereof. The computer device comprises the nonvolatile memory device, a temperature-sensing unit and a controller, wherein the temperature-sensing unit is arranged on the nonvolatile memory device for sensing the sensing temperature of the nonvolatile memory device and comparing the sensing temperature and the preset temperature; and the controller is coupled to the temperature-sensing unit. The computer device enters a resting state by the controller when the sensing temperature is higher than a preset temperature to decrease the temperature of the nonvolatile memory device so as to achieve the aim of protecting the nonvolatile memory device and ensuring data in the present work of a user against loss.
Description
Technical field
The present invention relates to a kind of Nonvolatile memory devices data protection technology, particularly relate to method and computer installation thereof that a kind of data of avoiding Nonvolatile memory devices to cause its storage because operating temperature is too high are lost.
Background technology
Hard disk has the advantage that can deposit mass data, has therefore become topmost a kind of storage hardware in the computer installation.
At present, in order to allow the user can extract, change, carry hard disk at any time, most of hard disk all has in an extraction-type shell is coated on it.Yet hard disk produces a large amount of heat owing to its motor runs up when running, hard disk temperature is raise gradually, so long-time the use down places the hard disk in the extraction-type shell, just as placing baking box.
Hard disk can cause main frame to crash if place high temperature like this for a long time, more seriously, can cause hard disk can't repair because of physical damage, and therefore the data of its storage also can lose.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of guard method and computer installation thereof of Nonvolatile memory devices data.
For realizing purpose of the present invention, the invention provides a kind of computer installation, it comprises Nonvolatile memory devices, temperature sensing unit and controller.Temperature sensing unit is arranged at Nonvolatile memory devices with the sensing temperature of sensing Nonvolatile memory devices, and compares sensing temperature and preset temperature.Controller is coupled to temperature sensing unit.When sensing temperature was higher than preset temperature, controller made computer installation enter dormant state, and the system state of computer installation is stored in Nonvolatile memory devices under this dormant state.
The present invention also provides a kind of method of Nonvolatile memory devices data protection, and this method is implemented on computer installation.This method comprises the following steps.At first, the sensing temperature of sensing Nonvolatile memory devices.Secondly, compare sensing temperature and preset temperature.When sensing temperature is higher than preset temperature, make computer installation enter dormant state, the system state of computer installation is stored in Nonvolatile memory devices under this dormant state.
In sum, in the present invention, when the sensing temperature that detects Nonvolatile memory devices was higher than preset temperature, computer installation just entered dormant state, to reduce the temperature of Nonvolatile memory devices.Thereby reach the purpose of protection Nonvolatile memory devices, and guarantee the unlikely loss of data in user's work at present.
For above-mentioned feature and advantage of the present invention can be become apparent, preferred embodiment cited below particularly, and conjunction with figs. are described in detail below.
Description of drawings
Fig. 1 is the controlling party block diagram of computer installation according to one preferred embodiment of the present invention.
Fig. 2 is the schematic perspective view that Nonvolatile memory devices according to one preferred embodiment of the present invention is connected with temperature sensing unit.
Fig. 3 is the process flow diagram of data protection method of nonvolatile memory device according to one preferred embodiment of the present invention.
Embodiment
Fig. 1 is the controlling party block diagram of computer installation according to one preferred embodiment of the present invention.Please refer to Fig. 1.In the present embodiment, computer installation 1 comprises Nonvolatile memory devices 10, temperature sensing unit 11, controller 12, hummer 13, power button 14, South Bridge chip 15, north bridge chips 16 and volatile ram 17.
In the present embodiment, Nonvolatile memory devices 10 is hard disk (HDD), and in other embodiments, Nonvolatile memory devices 10 also can be solid state hard disc (SSD) or hybrid hard disk (HHDD) or other equivalent memory storage.In the present embodiment, controller 12 is embedded controller (EC), and in other embodiments, controller 12 can be super I/O chip or microprocessor.In the present embodiment, controller 12 is to be coupled to South Bridge chip 15 by lpc bus.
Fig. 2 is the schematic perspective view that Nonvolatile memory devices according to one preferred embodiment of the present invention is connected with temperature sensing unit.Please refer to Fig. 2.As mentioned above, in this enforcement, Nonvolatile memory devices 10 is hard disks, and it comprises motor 101, housing 102 and disk 103.Temperature sensing unit 11 can be arranged on the outside surface 1021 of housing 102, and is positioned at rotating shaft X place, contiguous motor 101.Those of ordinary skills know that after abundant understanding the present invention temperature sensing unit 11 also can be arranged at other position of Nonvolatile memory devices 10, for example, can be arranged at inside surface, and the present invention does not impose any restrictions this.
Please continue with reference to figure 1.In the present embodiment, temperature sensing unit 11 comprises temperature sensor 111, amplifier 112, analog-to-digital converter 113, comparer 114 and buffer 115.
The sensing temperature of temperature sensor 111 sensing Nonvolatile memory devices 10, and via amplifier 112, analog-to-digital converter 113 this sensing temperature is transformed into a digital signal, and be sent in the comparer 114.
When comparer 114 receives the digital signal that analog-to-digital converter 113 transmits, then this digital signal and a preset temperature value that is stored in the buffer 115 can be compared, and control controller 12 runnings according to comparing result.For example, when this digital signal value during greater than preset temperature value, comparer 114 outputs one low level controls signal to controller 12.
In other embodiments, this preset temperature value also can be stored in the memory storages such as SRAM, storer.In the present embodiment, the preset temperature value in the temperature sensing unit 11 can be adjusted by software.For example, preset temperature is initially set 60 ℃, can set by Basic Input or Output System (BIOS) (BIOS) this preset temperature is adjusted into 70 ℃.
In present widely used Windows, generally integrated advanced configuration and power-management interface standard (Advanced Configuration and Power Interface, ACPI) power management function can be controlled the power management operations of related hardware in the computer system by this ACPI interface standard.
Typical ACPI architecture definition is six kinds of different power supply statuss, is respectively:
S0-normal power source supply status.
S1-stops power supply to monitor and disc driver in this state, but still supply electric power is to central processing unit, internal memory and fan.
S2-except stopping power supply to monitor, disc driver, also stops power supply to central processing unit and high-speed cache in this state.
S3-claims STR (Suspend to RAM) again, STR namely is only internal nonresident portion continued power, comprise video signal internal memory (Frame Buffer) and main system memory (Main Memory) etc., but remainder cuts off the power supply without exception, mention in the authority file of ACPI: S3 is some approximate S2 in fact, and just S3 allows more hardware close electricity consumption.S3 has 2 S4 that are better than telling about later, and the one, the return time to running at full speed is very fast, and another then is security consideration, and user's application and operation sometimes is to belong to individual private data, and these data do not wish back to deposit in the hard disk, at this moment then are fit to use STR.
S4-is in this state, data in the computer installation work completely are written back in the hard disk, comprise video signal internal memory, main system memory, hard disk memory buffer etc., full tester in power-down state then, if S4 is compared with S3, then S4 is than S3 power saving (prerequisite is frequently not enter, withdraw from S4, turnover have certain interval time), but that S3 enters with the speed of leaving battery saving mode is fast than S4.
S5-is in this state, and computer installation is in the normal shutdown state, and external communication electricity AC still powers to computer installation.
In the present embodiment, when the sensing temperature of Nonvolatile memory devices 10 was higher than preset temperature value, controller 12 is the notifying operation system just, made computer installation 1 enter S4, and so Nonvolatile memory devices 10 will shut down to reduce temperature.(for example: all data and system state RAM) will be stored to Nonvolatile memory devices 10 to volatile ram 17 simultaneously.
When the user presses power button 14, controller 12 sends a wake-up signal via South Bridge chip 15 notifying operation systems, make all the preceding information former states of S4 state that are stored in the Nonvolatile memory devices 10 write original position, thereby reach the dormant state self-consistentency.
Fig. 3 is the process flow diagram of data protection method of nonvolatile memory device according to one preferred embodiment of the present invention.The explanation of relevant this method is please in the lump with reference to figure 1 and Fig. 3.At first, organize the sensing temperature of the temperature sensing unit 11 sensing Nonvolatile memory devices 10 of the outside surface that is located at Nonvolatile memory devices 10, as step S21.
Then, the sensing temperature of the Nonvolatile memory devices of temperature sensing unit 11 its sensings of comparison and the preset temperature that itself is set, wherein preset temperature for example is 60 degree, as step S22.
Be higher than the preset temperature that itself is set if temperature sensing unit 11 is judged the sensing temperature of Nonvolatile memory devices 10, then controller 12 receives the control signal with first status signal level of temperature sensing unit 11 outputs, as step S23.In this embodiment, the first status signal level is low level (Low), and the sensing temperature that first state represents Nonvolatile memory devices 10 surpasses preset temperature.Controller 12 control hummers 13 sound the alarm, as step S24.Controller 12 is carried out a pre-set programs code (instruction in the particular address) according to its received low level control signal simultaneously, to notify the operating system of computer installation 1 by South Bridge chip 15, make computer installation 1 enter the S4 dormant state, as step S25, all data and system state under this state in the volatile ram 17 of computer installation 1 are stored in Nonvolatile memory devices 10.
When computer installation 1 enters S4 (Suspend to disk; STD) after; the power supply of Nonvolatile memory devices 10 and system power supply are cut off and no longer work, and whereby, the temperature of Nonvolatile memory devices 10 just can reduce and reach the function of protection Nonvolatile memory devices 10 (hard disk) data.
Be lower than preset temperature if temperature sensing unit 11 is judged the sensing temperature of Nonvolatile memory devices, then controller 12 receives the control signal with second status signal level of temperature sensing unit 11 outputs, as step S28.In this embodiment, the second status signal level is high level (High), and the sensing temperature that second state represents Nonvolatile memory devices 10 is lower than preset temperature.At this moment, controller 12 is kept normal running, and computer installation 1 is also kept normal running, as step S27.
From the above, computer installation 1 just maintains the S4 state always after entering S4.When the user pressed power button 14 (or title start button) again, controller 12 can judge whether the sensing temperature of the Nonvolatile memory devices of 11 sensings of temperature sensing unit is lower than preset temperature according to control signal, as step S26.
If power button 14 is pressed down and controller 12 judges that the sensing temperature of 11 sensings of temperature sensing unit still is higher than preset temperature, then computer installation 1 maintains the S4 state, as step S25.
If power button 14 is pressed down and controller 12 judges that the sensing temperature of 11 sensings of temperature sensing unit is lower than preset temperature, then trigger a wake events, make computer installation 1 wake up from dormant state, computer installation 1 continues normal operation, as step S27.Whereby, the user can continue the preceding work of dormant state.After this, shown in step S21, the sensing temperature of sensing Nonvolatile memory devices 10 will be continued.
In sum; computer installation and data protection method of nonvolatile memory device thereof according to the embodiment of the invention; when the sensing temperature that senses Nonvolatile memory devices surpasses a preset temperature, namely represent too high being not suitable for of Nonvolatile memory devices temperature this moment and work on.Even the controller computer installation enters dormant state (S4).So, can reduce the temperature of Nonvolatile memory devices, to reach the purpose of protection Nonvolatile memory devices and storage data.Simultaneously; computer installation is when entering dormant state; duty and the data in the internal memory of current each equipment can be saved in the Nonvolatile memory devices; therefore; when the user presses power button; computer installation can be returned to the state before the dormancy rapidly, protects the unlikely loss of data in Nonvolatile memory devices and the user's work with this.
Though the present invention with preferred embodiment openly as above; yet it is not in order to limit the present invention; any those of ordinary skills; without departing from the spirit and scope of the present invention; when can doing a little change and retouching, so protection scope of the present invention is as the criterion when looking the scope that claim defines.
Claims (10)
1. a computer installation is characterized in that, comprising:
Hard disk, above-mentioned hard disk comprises housing and motor, said motor is installed in the above-mentioned housing;
Temperature sensing unit is arranged at the above-mentioned housing outer surface of above-mentioned hard disk and is close to said motor, with the sensing temperature of the above-mentioned hard disk of sensing, and more above-mentioned sensing temperature and preset temperature; And
Controller couples the said temperature sensing cell, and when above-mentioned sensing temperature was higher than above-mentioned preset temperature, above-mentioned controller made above-mentioned computer installation enter dormant state, and the system state of above-mentioned computer installation is stored in above-mentioned hard disk under the above-mentioned dormant state; When the power button of above-mentioned computer installation is pressed and above-mentioned controller when judging that the sensing temperature of said temperature sensing cell institute sensing still is higher than above-mentioned preset temperature, then above-mentioned computer installation is kept above-mentioned dormant state.
2. computer installation according to claim 1, it is characterized in that, said temperature sensing cell output control signal, the above-mentioned control signal of above-mentioned controller foundation judges whether to notify the operating system of above-mentioned computer installation, makes above-mentioned computer installation enter above-mentioned dormant state.
3. computer installation according to claim 2, it is characterized in that, when above-mentioned sensing temperature is higher than above-mentioned preset temperature, the level of above-mentioned control signal is one first state, above-mentioned controller is notified the aforesaid operations system of above-mentioned computer installation, makes above-mentioned computer installation enter above-mentioned dormant state.
4. computer installation according to claim 3 is characterized in that, when above-mentioned sensing temperature was lower than above-mentioned preset temperature, the level of above-mentioned control signal was one second state, and above-mentioned computer installation is kept normal running.
5. computer installation according to claim 1 is characterized in that, above-mentioned preset temperature is stored in the said temperature sensing cell.
6. computer installation according to claim 1 is characterized in that, above-mentioned preset temperature can be by the Basic Input or Output System (BIOS) adjustment of above-mentioned computer installation.
7. computer installation according to claim 1, it is characterized in that, above-mentioned computer installation also comprises South Bridge chip, and above-mentioned controller couples above-mentioned South Bridge chip, and above-mentioned controller makes above-mentioned computer installation enter above-mentioned dormant state by above-mentioned South Bridge chip.
8. computer installation according to claim 1 is characterized in that, above-mentioned controller is embedded controller, super I/O chip or microprocessor.
9. computer installation according to claim 1, it is characterized in that, above-mentioned computer installation also comprises power button, be coupled to above-mentioned controller, when above-mentioned power button is pressed and the sensing temperature of above-mentioned hard disk when being lower than above-mentioned preset temperature, above-mentioned controller makes above-mentioned computer installation by waking up in the above-mentioned dormant state.
10. computer installation according to claim 1 is characterized in that, above-mentioned computer installation also comprises hummer, is coupled to above-mentioned controller, and when the temperature of above-mentioned hard disk was higher than above-mentioned preset temperature, above-mentioned controller drove above-mentioned hummer and sounds the alarm.
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| CN 200810098992 CN101593141B (en) | 2008-05-26 | 2008-05-26 | Data protection method of nonvolatile memory device and computer device thereof |
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| CN 200810098992 CN101593141B (en) | 2008-05-26 | 2008-05-26 | Data protection method of nonvolatile memory device and computer device thereof |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102591805B (en) * | 2011-01-18 | 2016-07-06 | 联想(北京)有限公司 | The method of data protection and terminal unit |
| CN102141942B (en) * | 2011-04-01 | 2015-11-25 | 北京奇虎科技有限公司 | A kind of monitoring and protection method of equipment and device |
| KR101997079B1 (en) * | 2012-07-26 | 2019-07-08 | 삼성전자주식회사 | Storage devie comprising variable resistance memory and operation method thereof |
| CN104424038A (en) * | 2013-09-02 | 2015-03-18 | 鸿富锦精密电子(天津)有限公司 | Switching circuit |
| CN107980120A (en) * | 2016-12-08 | 2018-05-01 | 深圳市柔宇科技有限公司 | Electronic device and its dormancy control method |
| CN108255277B (en) * | 2016-12-28 | 2021-05-18 | 宏碁股份有限公司 | Storage system and power management method thereof |
| KR102546255B1 (en) * | 2018-08-03 | 2023-06-21 | 삼성전자주식회사 | Storage device initiating maintenance operation actively without instruction of host and electronic system including the same |
| CN112464501B (en) * | 2020-12-24 | 2023-06-23 | 芯天下技术股份有限公司 | Nonvolatile chip strong 0 repair verification method, nonvolatile chip strong 0 repair verification device, storage medium and terminal |
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| CN1381784A (en) * | 2001-04-19 | 2002-11-27 | 梅捷企业股份有限公司 | Control module for system state display |
| CN1503101A (en) * | 2002-11-26 | 2004-06-09 | 志合电脑股份有限公司 | Power source management method for portable computer |
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| CN1381784A (en) * | 2001-04-19 | 2002-11-27 | 梅捷企业股份有限公司 | Control module for system state display |
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