CN102213987B - Server system and fan detection method thereof - Google Patents
Server system and fan detection method thereof Download PDFInfo
- Publication number
- CN102213987B CN102213987B CN201010151708.9A CN201010151708A CN102213987B CN 102213987 B CN102213987 B CN 102213987B CN 201010151708 A CN201010151708 A CN 201010151708A CN 102213987 B CN102213987 B CN 102213987B
- Authority
- CN
- China
- Prior art keywords
- fan
- sensor data
- data record
- management controller
- baseboard management
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention provides a server system and a fan detection method thereof. The system at least comprises a plurality of fan slots, a south bridge chip (SBC) set, a baseboard management controller (BMC) and a basic input/output system (BIOS), wherein, the plurality of fan slots comprise preset fan slots, and the preset fan slots are provided with sensors used for detecting and providing rotating speed data; the BMC is electrically connected with the SBC set and the fan slots so as to control fan operation; and the BIOS is electrically connected with the SBC set and the sensors and is provided with nonredundant sensor data record (SDR) and redundant SDR which are respectively corresponding to a nonredundant configuration status and a redundant configuration status. By utilizing the server system and the fan detection method thereof, the rotating speed data of fans is read and the configuration status of the fans is analyzed according to the rotating speed so as to provide a suitable heat dissipation operating mode, thus better meeting different application demands of a user and reducing the fan cost.
Description
Technical field
The invention relates to a kind of server system and fan detection method thereof.
Background technology
Due to the fast development of scientific and technological communication industry, the application of information products is also healed thereupon and is become universal, especially the system and device such as server appear at continually especially daily arround among.And this not only significantly promotes convenience in life, more in the time and space, cause compression, modern everyone is no longer limited to be restricted in geographic boundary, and the interchange combining interactive and a large amount of message knowledge to each other more closely can be made, ask and reach common interests happiness optimization.
The identification signal that current General System is provided by reading fan pin, confirms whether fan is plugged on motherboard, thus interpretation fan number.But, there is the fan identifying pin, then cause cost of products relatively to improve many, and this is unfavorable for expansion and the occupation rate of its consumption market undoubtedly.
Summary of the invention
Therefore, one of the present invention object is providing a kind of server system and fan detection method thereof, in order to judge fan arrangement according to rotation speed of the fan, and then provides suitable heat radiation function mode.
The present invention proposes a kind of server system on the one hand, at least comprises multiple fan-slot, a South Bridge chip group, a baseboard management controller and a basic input/output.Multiple fan-slot is respectively in order to corresponding inserted one fan, and multiple fan-slot comprises one presets fan-slot, default fan-slot has a sensor, in order to detect and a rotary speed data of the fan providing default fan-slot to plug, and be nonredundancy configuration status when default fan-slot does not plug fan, be redundant configuration state when default fan-slot plugs fan.Baseboard management controller is then be electrically connected South Bridge chip group and fan-slot, in order to control the operation of fan.Basic input/output, there is a nonredundancy Sensor Data Record and a redundant sensor data record of corresponding nonredundancy configuration status and redundant configuration state respectively, basic input/output is electrically connected South Bridge chip group and sensor, receive rotary speed data, and judge that fan is nonredundancy configuration status or redundant configuration state according to rotary speed data, and according to judged result, the nonredundancy Sensor Data Record of correspondence or redundant sensor data record are updated to baseboard management controller, to make baseboard management controller according to the running of nonredundancy Sensor Data Record or redundant sensor data record controls fan.
According to one embodiment of the invention, wherein when rotary speed data is greater than a rotating speed threshold value, basic input/output judges that presetting fan-slot plugs fan, fan be configured to a redundant configuration state.
According to another embodiment of the present invention, wherein when rotary speed data is less than or equal to rotating speed threshold value, basic input/output judges that presetting fan-slot does not plug fan, and the configuration determination of fan is a nonredundancy configuration status.
The present invention proposes a kind of fan detection method of server system on the other hand.This fan detection method at least comprises, there is provided a redundant sensor data record and a nonredundancy Sensor Data Record and multiple fan-slot in order to difference corresponding inserted one fan, wherein fan-slot comprises a default fan-slot, presets the corresponding sensor of fan-slot; There is provided a basic input/output system to transmit one and detect instruction to baseboard management controller, detect baseboard management controller one presets Sensor Data Record; Basic input/output transmits a reading command to sensor, with one of the fan plugged corresponding to reading on default fan-slot rotary speed data; What basic input/output judged fan according to rotary speed data is configured to a nonredundancy configuration status or a redundant configuration state, and according to nonredundancy configuration status or redundant configuration state and default Sensor Data Record, nonredundancy Sensor Data Record or redundant sensor data record are updated to baseboard management controller; And baseboard management controller is according to the running of nonredundancy Sensor Data Record or redundant sensor data record controls fan.
According to one embodiment of the invention, wherein detect the step of the default Sensor Data Record of baseboard management controller, more comprise when basic input/output detects baseboard management controller Non-precondition Sensor Data Record, store nonredundancy Sensor Data Record to baseboard management controller, and baseboard management controller is reset.
According to another embodiment of the present invention, wherein basic input/output judges the step of the configuration of fan according to rotary speed data, more comprise when basic input/output detect baseboard management controller preset Sensor Data Record be nonredundancy Sensor Data Record and rotary speed data is greater than a rotating speed threshold value time, fan is redundant configuration state, then store redundant sensor data and be recorded to baseboard management controller and baseboard management controller is reset; And when basic input/output detect baseboard management controller preset Sensor Data Record be nonredundancy Sensor Data Record and rotary speed data is less than or equal to rotating speed threshold value time, fan be configured to nonredundancy configuration status, baseboard management controller controls the running of fan according to presetting Sensor Data Record.
According to further embodiment of this invention, wherein basic input/output judges the step of the configuration of fan according to rotary speed data, more comprise when basic input/output detect baseboard management controller preset Sensor Data Record be redundant sensor data record and rotary speed data is greater than a rotating speed threshold value time, fan be configured to redundant configuration state, baseboard management controller controls the running of fan according to presetting Sensor Data Record; And when basic input/output detect baseboard management controller preset Sensor Data Record be redundant sensor data record and rotary speed data is less than or equal to rotating speed threshold value time, storing nonredundancy Sensor Data Record to baseboard management controller makes baseboard management controller reset.
By according to the server system in the invention described above embodiment and fan detection method thereof, be able to by reading fan speed data, and according to the size of rotary speed data, analyzed the configuration status of fan, and then suitable heat radiation function mode is provided.Thus, not only can meet user more appositely in the upper different demand of application, more can reduce fan cost thus promote the market competitiveness and popularity rate.
Accompanying drawing explanation
Reader, after having read the specific embodiment of the present invention with reference to accompanying drawing, will become apparent various aspects of the present invention.Wherein:
Fig. 1 illustrates the functional block diagram of the server system according to one embodiment of the invention.
Fig. 2 illustrates the process flow diagram of the fan detection method of the server system according to one embodiment of the invention.
[primary clustering symbol description]
100: server system 111-116: the first is to the 6th fan-slot
110: fan-slot 111a, b-116a, b: fan
120: South Bridge chip group 117a, b: sensor
130: baseboard management controller S1-S3b: step
140: basic input/output
142: nonredundancy Sensor Data Record 144: redundant sensor data record
Embodiment
In order to make describing of the present invention more detailed and complete, can refer to the appended various embodiment of graphic and the following stated, number identical in graphic represents same or similar assembly.On the other hand, well-known assembly and step are not described in embodiment, to avoid the restriction causing the present invention unnecessary.
Please refer to Fig. 1, it illustrates the functional block diagram of a kind of server system according to one embodiment of the invention.As shown in Figure 1, server system 100 at least comprises multiple fan-slot 110, South Bridge chip group 120, baseboard management controller 130 (BMC; BaseboardManagement Controller) and a basic input/output 140.But, as shown in fig. 1, fan-slot 110 comprises the first fan-slot 111 to the 6th fan-slot 116, respectively in order to corresponding inserted fan 111a, b-116a, b, and fan-slot 110 comprises a default fan-slot, then using the 4th fan-slot 114 as default fan-slot in this embodiment.4th fan-slot 114 has sensor 117a, b, in order to detect and to provide the fan 114a that the 4th fan-slot 114 plugs, one rotary speed data of b, and when the 4th fan-slot 114 does not plug fan 114a, being nonredundancy configuration status during b, when the 4th fan-slot 114 plugs fan 114a, is redundant configuration state during b.But, though the present embodiment is with six fan-slots, and wherein more by the 4th fan-slot as default fan-slot, be explained expression technology feature, only the present invention is not limited to this, and the configuration design of its fan-slot number be suitable for and default fan-slot then needs to decide according to system load and application demand thereof.
Continue referring to Fig. 1, baseboard management controller 130 is electrically connected South Bridge chip group 120 and fan-slot 110, in order to control fan 111a, and the operation of b-116a, b.In addition, basic input/output 140 has a nonredundancy Sensor Data Record (Non-redundant SDR) 142 and a redundant sensor data record (Redundant SDR) 144 of corresponding nonredundancy configuration status and redundant configuration state respectively.As shown in Figure 1, basic input/output 140 is electrically connected the sensor 117a of South Bridge chip group 120 and the 4th fan-slot 114, b, receive rotary speed data, and judging fan 111a according to rotary speed data, b-116a, b are nonredundancy configuration status or redundant configuration state.Then, and according to judged result, the nonredundancy Sensor Data Record 142 of correspondence or redundant sensor data record 144 are updated to baseboard management controller 130, fan 111a is controlled according to nonredundancy Sensor Data Record 142 or redundant sensor data record 144 to make baseboard management controller 130, the running of b-116a, b.
Further, when the rotary speed data of the 4th fan-slot 114 is greater than a rotating speed threshold value, basic input/output 140 judges that the 4th fan-slot 114 plugs fan 114a, b, fan 111a, and b-116a, b are configured to a redundant configuration state.Under redundant configuration state, when wherein any one rotation speed of the fan is too low, as long as with another right fan full-speed operation; But when any two above rotation speeds of the fan are too low, then closing server system 100.On the other hand, when the rotary speed data of the 4th fan-slot 114 is less than or equal to rotating speed threshold value, basic input/output 140 judges that the 4th fan-slot 114 does not plug fan 114a, b, fan 111a, and b-116a, b are configured to a nonredundancy configuration status.Under nonredundancy configuration status, when wherein any one rotation speed of the fan is too low, i.e. closing server system 100.
Embodiments of the invention are using the 4th fan-slot 114 as default fan-slot, judge whether to plug its corresponding fan 114a-b to be explained the feature difference of redundant configuration state and nonredundancy configuration status, only the present invention is not limited to this, and the selected of its fan-slot be suitable for then needs to decide according to system load and application demand.Further, in another embodiment of the invention, its medium speed threshold value is 970rpm, and therefore when the rotating speed of arbitrary fan is lower than 970rpm, namely system is looked it and lost efficacy.
Please refer to Fig. 2, it illustrates the process flow diagram of the fan detection method of a kind of server system according to one embodiment of the invention.The fan detection method taking device system of the present embodiment is such as the server system 100 be applied in Fig. 1.As mentioned above, server system 100 has nonredundancy Sensor Data Record 142 and redundant sensor data record 144 and a multiple fan-slot 110.Fan-slot 110 comprises the first fan-slot 111 to the 6th fan-slot 116, in order to difference corresponding inserted fan 111a, b-116a, b, wherein fan-slot 110 comprises a default fan-slot, using the 4th fan-slot 114 as default fan-slot in this embodiment, other 4th fan-slot 114 more corresponding a sensor 117a, b.But in the flow process that Fig. 2 discloses, the fan detection method 200 of server system comprises following steps (S1 ~ S3b).
First, in step S 1, provide basic input/output 140 in start selftest (POST) in the stage, transmit detection instruction to baseboard management controller 130, one of detection baseboard management controller 130 presets Sensor Data Record.Further, when basic input/output 140 detects Non-precondition Sensor Data Record from baseboard management controller 130, then produce the response signal value (Response value) of " 00 ", and then store nonredundancy Sensor Data Record 142 to baseboard management controller 130, and replacement action is carried out to baseboard management controller 130.
On the other hand, when basic input/output 140 detects that baseboard management controller 130 has default Sensor Data Record, then according to produce the response signal value of " 01 " or the response signal value of " 10 ", correspondence judges that default Sensor Data Record is nonredundancy Sensor Data Record 142 or redundant sensor data record 144.
Continue referring to Fig. 2, in step S2a, when the default Sensor Data Record of baseboard management controller 130 is judged as nonredundancy Sensor Data Record 142, basic input/output 140 transmits a reading command to sensor 117a, b with the 4th fan 114a plugged corresponding to reading on the 4th fan-slot 114, one of b rotary speed data.Further, inductor 117a, b, in order to not plug fan 114a when the 4th fan-slot 114, during b, provide a rotary speed data, and this rotary speed data only can be read by basic input/output 140, can't be shown to user.
Then, in step S3a, basic input/output 140 judges fan 111a according to rotary speed data, b-116a, b is configured to a nonredundancy configuration status or a redundant configuration state, and according to nonredundancy configuration status or redundant configuration state and default Sensor Data Record, nonredundancy Sensor Data Record 142 or redundant sensor data record 144 are updated to baseboard management controller 130.
More specifically, when basic input/output 140 detect baseboard management controller 130 preset Sensor Data Record be nonredundancy Sensor Data Record 142 and rotary speed data is greater than rotating speed threshold value time, fan 111a, b-116a, b is configured to redundant configuration state, then store redundant sensor data record 144 to baseboard management controller 130, and make baseboard management controller 130 carry out replacement action.When basic input/output 140 detect baseboard management controller 130 preset Sensor Data Record be judged as nonredundancy Sensor Data Record 142 and rotary speed data is less than or equal to rotating speed threshold value time, fan 111a, b-116a, b is configured to nonredundancy configuration status, baseboard management controller 130 controls the running of fan according to default Sensor Data Record, is carried out running heat radiation.
On the other hand, in step S2b, when basic input/output 140 detects that the default Sensor Data Record of baseboard management controller 130 is judged as redundant sensor data record 144, basic input/output 140 transmits a reading command to sensor 117a, b to read the rotary speed data that the 4th fan-slot 114 provides.Then, in step S3b, fan 111a is judged according to rotary speed data, b-116a, the configuration of b, for nonredundancy configuration status or redundant configuration state, and according to nonredundancy configuration status or redundant configuration state and default Sensor Data Record, nonredundancy Sensor Data Record 142 or redundant sensor data record 144 are updated to baseboard management controller 130.
Further, when basic input/output 140 detect baseboard management controller 130 preset Sensor Data Record be redundant sensor data record 144 and rotary speed data is greater than a rotating speed threshold value time, fan 111a, b-116a, the configuration of b is then judged as redundant configuration state, and baseboard management controller 130 controls fan 111a according to default Sensor Data Record, b-116a, the running of b, thus carry out running heat radiation.But, when basic input/output 140 detect baseboard management controller 130 preset Sensor Data Record be redundant sensor data record 144 and rotary speed data is less than or equal to rotating speed threshold value time, store nonredundancy Sensor Data Record 142 to baseboard management controller 130, and make baseboard management controller 130 carry out replacement action.
Thus, baseboard management controller 130 is according to nonredundancy Sensor Data Record 142 or redundant sensor data record 144, and effectively control fan 111a, the running of b-116a, b, gives suitably radiating and cooling.
Therefore, by according to the server system in the invention described above embodiment and fan detection method thereof, be able to by reading fan speed data, and according to the size of rotary speed data, analyzed the configuration status of fan, and then suitable heat radiation function mode is provided.Thus, not only can meet user more appositely in the upper different demand of application, more can reduce fan cost thus promote the market competitiveness and popularity rate.
Above, the specific embodiment of the present invention is described with reference to the accompanying drawings.But those skilled in the art can understand, when without departing from the spirit and scope of the present invention, various change and replacement can also be done to the specific embodiment of the present invention.These change and replace and all drop in claims of the present invention limited range.
Claims (7)
1. a server system, is characterized in that, this server system at least comprises:
Multiple fan-slot, respectively in order to corresponding inserted one fan, and the plurality of fan-slot comprises one presets fan-slot, this default fan-slot has a sensor, in order to detect and to provide a rotary speed data of this this fan that default fan-slot plugs, and be nonredundancy configuration status when this default fan-slot does not plug this fan, be redundant configuration state when this default fan-slot plugs this fan;
One South Bridge chip group;
One baseboard management controller, is electrically connected this South Bridge chip group and described fan-slot, runs in order to control described fan; And
One basic input/output, have respectively to should a nonredundancy Sensor Data Record of nonredundancy configuration status and this redundant configuration state and a redundant sensor data record, this basic input/output is electrically connected this South Bridge chip group and this sensor, receive this rotary speed data, and judge that described fan is as this nonredundancy configuration status or this redundant configuration state according to this rotary speed data, and according to judged result, this nonredundancy Sensor Data Record of correspondence or this redundant sensor data record are updated to this baseboard management controller, to make the running of this baseboard management controller fan according to this nonredundancy Sensor Data Record or this redundant sensor data record controls.
2. server system as claimed in claim 1, it is characterized in that, when this rotary speed data is greater than a rotating speed threshold value, this basic input/output judges that this default fan-slot plugs this fan, described fan be configured to this redundant configuration state.
3. server system as claimed in claim 2, it is characterized in that, when this rotary speed data is less than or equal to this rotating speed threshold value, this basic input/output judges that this default fan-slot does not plug this fan, and the configuration determination of described fan is this nonredundancy configuration status.
4. a fan detection method for server system, is characterized in that, described fan detection method at least comprises:
There is provided a redundant sensor data record and a nonredundancy Sensor Data Record, and multiple fan-slot is in order to difference corresponding inserted one fan, wherein said fan-slot comprises one and presets fan-slot, the corresponding sensor of this default fan-slot;
There is provided a basic input/output to transmit one and detect instruction to baseboard management controller, detect this baseboard management controller one presets Sensor Data Record;
This basic input/output transmits a reading command to this sensor, with a rotary speed data of this fan plugged corresponding to reading on this default fan-slot;
What this basic input/output judged described fan according to this rotary speed data is configured to a nonredundancy configuration status or a redundant configuration state, and according to this nonredundancy configuration status or this redundant configuration state and default Sensor Data Record, this nonredundancy Sensor Data Record or this redundant sensor data record are updated to this baseboard management controller; And
The running of this baseboard management controller fan according to this nonredundancy Sensor Data Record or this redundant sensor data record controls.
5. the fan detection method of server system as claimed in claim 4, it is characterized in that, the step detecting the default Sensor Data Record of this baseboard management controller more comprises:
When this basic input/output detect this baseboard management controller not this default Sensor Data Record time, store this nonredundancy Sensor Data Record to this baseboard management controller, and this baseboard management controller reset.
6. the fan detection method of server system as claimed in claim 4, it is characterized in that, this basic input/output judges that according to this rotary speed data the step of the configuration of described fan more comprises:
When this default Sensor Data Record that this basic input/output detects this baseboard management controller for this nonredundancy Sensor Data Record and this rotary speed data is greater than a rotating speed threshold value time, described fan is this redundant configuration state, then store these redundant sensor data and be recorded to this baseboard management controller and this baseboard management controller is reset; And
When this default Sensor Data Record that this basic input/output detects this baseboard management controller for this nonredundancy Sensor Data Record and this rotary speed data is less than or equal to this rotating speed threshold value time, described fan is this nonredundancy configuration status, and this baseboard management controller controls the running of described fan according to this default Sensor Data Record.
7. the fan detection method of server system as claimed in claim 4, it is characterized in that, this basic input/output judges that according to this rotary speed data the step of the configuration of described fan more comprises:
When this default Sensor Data Record that this basic input/output detects this baseboard management controller for this redundant sensor data record and this rotary speed data is greater than a rotating speed threshold value time, described fan be configured to this redundant configuration state, this baseboard management controller controls the running of described fan according to this default Sensor Data Record; And
When this default Sensor Data Record that this basic input/output detects this baseboard management controller for this redundant sensor data record and this rotary speed data is less than or equal to this rotating speed threshold value time, storing this nonredundancy Sensor Data Record to this baseboard management controller makes this baseboard management controller reset.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201010151708.9A CN102213987B (en) | 2010-04-06 | 2010-04-06 | Server system and fan detection method thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201010151708.9A CN102213987B (en) | 2010-04-06 | 2010-04-06 | Server system and fan detection method thereof |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102213987A CN102213987A (en) | 2011-10-12 |
CN102213987B true CN102213987B (en) | 2015-06-10 |
Family
ID=44745332
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201010151708.9A Expired - Fee Related CN102213987B (en) | 2010-04-06 | 2010-04-06 | Server system and fan detection method thereof |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN102213987B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105426289A (en) * | 2015-11-12 | 2016-03-23 | 姚焕根 | Baseboard management controller and method for monitoring fan and fan controller |
CN109185208B (en) * | 2018-08-15 | 2020-10-16 | 苏州浪潮智能科技有限公司 | Fan speed regulation method and related device |
CN111708418A (en) * | 2020-06-15 | 2020-09-25 | 西安易朴通讯技术有限公司 | Fan control method, device, equipment and computer readable storage medium |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1896914A (en) * | 2005-07-15 | 2007-01-17 | 联想(北京)有限公司 | Fan redundant system |
CN101609424A (en) * | 2008-06-18 | 2009-12-23 | 英业达股份有限公司 | System hardware monitoring and simulation testing module and method thereof |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101673088B (en) * | 2008-09-12 | 2012-10-10 | 鸿富锦精密工业(深圳)有限公司 | Electronic equipment with redundancy control capability of fan |
-
2010
- 2010-04-06 CN CN201010151708.9A patent/CN102213987B/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1896914A (en) * | 2005-07-15 | 2007-01-17 | 联想(北京)有限公司 | Fan redundant system |
CN101609424A (en) * | 2008-06-18 | 2009-12-23 | 英业达股份有限公司 | System hardware monitoring and simulation testing module and method thereof |
Also Published As
Publication number | Publication date |
---|---|
CN102213987A (en) | 2011-10-12 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP3090671U (en) | Double interface CF flash memory card | |
US6880024B2 (en) | Control system for memory storage device having two different interfaces | |
US7007127B2 (en) | Method and related apparatus for controlling transmission interface between an external device and a computer system | |
CN103218180B (en) | Disk localization method and positioner | |
US20140122753A1 (en) | Electronic Device, Management Method Thereof, and Rack Serving System | |
CN1959662A (en) | Computer, method for operating computer and computer system | |
US9806959B2 (en) | Baseboard management controller (BMC) to host communication through device independent universal serial bus (USB) interface | |
US20100274999A1 (en) | Control system and method for memory | |
CN102253700A (en) | Fan control system | |
CN107844165A (en) | Hard disk hot-plug realization device | |
CN102213987B (en) | Server system and fan detection method thereof | |
JP2012063817A (en) | Communication device | |
CN103870379A (en) | Fan abnormity alarming system and method | |
CN101403972A (en) | Memory card guiding method and device of embedded system | |
CN110941580A (en) | Method for reading information and serial small computer system interface SAS expander | |
US7472211B2 (en) | Blade server switch module using out-of-band signaling to detect the physical location of an active drive enclosure device | |
TW201418967A (en) | Electronic apparatus and management method thereof and rack server system | |
CN101404000A (en) | Reading-writing method and device with multi-memory card logic in one | |
CN113824741A (en) | IIC device communication method, apparatus, device, system and medium | |
TWI492042B (en) | Multi-function integrated device and operating method thereof | |
KR20080018868A (en) | Memory card and memory card control changeover method | |
CN103164001A (en) | Electronic device and control method thereof | |
CN103019619A (en) | Disk plugging control method and device | |
JP2005056411A (en) | Index for visually searching memory module | |
US7453760B2 (en) | Method for accessing dual-port memory |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
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: 20150610 Termination date: 20190406 |