CN103133385B - Fan shape judging and controlling method and fan universal control system - Google Patents
Fan shape judging and controlling method and fan universal control system Download PDFInfo
- Publication number
- CN103133385B CN103133385B CN201210004033.4A CN201210004033A CN103133385B CN 103133385 B CN103133385 B CN 103133385B CN 201210004033 A CN201210004033 A CN 201210004033A CN 103133385 B CN103133385 B CN 103133385B
- Authority
- CN
- China
- Prior art keywords
- rotating speed
- fan
- stitch
- processing unit
- controls
- 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
- 238000000034 method Methods 0.000 title claims abstract description 31
- 238000012544 monitoring process Methods 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- NHDHVHZZCFYRSB-UHFFFAOYSA-N pyriproxyfen Chemical compound C=1C=CC=NC=1OC(C)COC(C=C1)=CC=C1OC1=CC=CC=C1 NHDHVHZZCFYRSB-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Control Of Positive-Displacement Air Blowers (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention relates to a fan shape judging and controlling method, which comprises the steps of electrically inserting a fan on a connector, detecting electrical signals of a power supply pin, a grounding pin, a rotating speed detecting pin and a rotating speed control pin of the connector by a processing unit, judging the electrical signals of the rotating speed control pin by the processing unit, correspondingly generating a first rotating speed control signal and transmitting the first rotating speed control signal to the fan through the power supply pin, or correspondingly generating a second rotating speed control signal and transmitting the second rotating speed control signal to the fan through the rotating speed control pin.
Description
[technical field]
The present invention relates to a kind of judgement and control method and the control system of adopting said method, the universal fan particularly to the automatic decision of a kind of fan kenel, control method and application this method controls system.
[background technology]
Owing to current computer science and technology is maked rapid progress, it is that operand and the arithmetic speed of desktop PC, mobile computer or server host all constantly promotes, but increase relative to operand and arithmetic speed, computer system or server are in time performing, the used heat that each assembly internal or device produce is also very considerable, for avoiding affecting the running of computer system or server because of overheated, fan therefore all can be adopted inside main frame to dispel the heat, to maintain normal operation.
Fan is usually and is electrically connected by with the adapter on motherboard, makes computer system supply fan power as driving, and the velocity of rotation of the electrical connection control fan through adapter.At present, fan power supply joint on the market mainly has the specification that three foot positions (3pins) are two kinds different with four foot positions (4pins), respectively the adapter of three stitch or four stitch on coupling motherboard.
The power connection of three foot position fans has grounding leg position, power supply foot position and rotating speed detecting foot position, and the power connection of four foot position fans is except aforementioned three foot positions, more than a rotating speed control pin position.Except the difference of adapter stitch number corresponding on motherboard, control circuit and the control method of three foot position fans and four foot position fans also differ.But, computer system known at present must be manually set employing three foot position fans or four foot position fans when start by user, it sets the basic input/output system (BasicInput/OutputSystem that must flow through non-graphic interface, BIOS), user for being unfamiliar with its interface can produce many puzzlements, if the fan foot position specification that user sets is wrong simultaneously, as three foot position fans are set as four foot position fans, also or four foot position fans are set as three foot position fans, then fan just cannot normal operation, computer system also cannot pass through adapter and control the rotating speed of fan to reach the function of heat radiation, and then affect the usefulness of computer system.
In addition, if after user changes the fan of different foot positions specification, also when computer system power-on next time, fan foot position specification must again be manually set by basic input/output system (BIOS), fan normal operation can be made, and control the rotating speed of fan to reach the function of heat radiation through adapter, in sum, these problems all cause the operational inconvenience of user.
[summary of the invention]
In view of the above problems, the present invention provides judgement and the control method of a kind of fan kenel, and the universal fan of application this method controls system, thus solving to commonly use the kenel that must be manually set fan by user voluntarily through basic input/output system, the problem that can normally control rotation speed of the fan.
The present invention relates to the judgement of a kind of fan form and control method, comprise the steps of first, electrically plug a fan on a connector, then detect a power pin of adapter, a ground pin, a rotating speed detecting stitch and a rotating speed with a processing unit and control the electrical signals of stitch, judge that rotating speed controls the electrical signals of stitch with processing unit again, and correspondence produces one first rotating speed control signal and is sent to fan via power pin, or corresponding generation one second rotating speed control signal controls stitch via rotating speed and is sent to fan.
The judgement of above-mentioned fan form and control method, be a high voltage level value when judging that rotating speed controls the electrical signals of stitch, produces the first rotating speed control signal and is sent to fan via power pin；Being a low voltage level value when judging that rotating speed controls the electrical signals of stitch, the corresponding second rotating speed control signal that produces is sent to fan via rotating speed control stitch.
The judgement of above-mentioned fan form and control method, it is between 0 volt to 12 volts that processing unit controls the range of voltage values of the first rotating speed control signal.
The invention additionally relates to a kind of fan general-purpose control system, for having the fan of multiple foot position.Fan general-purpose control system comprises a connector and a processing unit.Wherein, adapter is inserted on it for fan, and adapter has a power pin, a ground pin, a rotating speed detecting stitch and a rotating speed and controls stitch, the pin of power pin, ground pin and rotating speed detecting stitch and fan is electrically connected, and the one foot position selectivity of fan and rotating speed control stitch electric connection.Processing unit is electrically connected at adapter, processing unit detecting power pin, ground pin, rotating speed detecting stitch and rotating speed control the electrical signals of stitch, processing unit judges that rotating speed controls the electrical signals of stitch, and correspondence produces one first rotating speed control signal and is sent to fan via power pin, or corresponding generation one second rotating speed control signal controls stitch via rotating speed and is sent to fan.
Above-mentioned fan general-purpose control system, it is a high voltage level value that rotating speed controls the electrical signals of stitch, processing unit correspondence produces the first rotating speed control signal and is sent to fan via power pin, being a low voltage level value when rotating speed controls the electrical signals of stitch, processing unit correspondence produces the second rotating speed control signal and is sent to fan via rotating speed control stitch.
Above-mentioned fan general-purpose control system, processing unit can be BIOS chip (BasicInput/OutputSystem, BIOS) or hardware Monitoring and Controlling chip (H/WMonitoringIC).
Above-mentioned fan general-purpose control system, it is variable voltage signal that the first rotating speed controls signal, and it is pulse width modified tone signal (PulseWidthModulation, PWM) that the second rotating speed controls signal.
Above-mentioned fan general-purpose control system, it is between 0 volt to 12 volts that the first rotating speed controls the range of voltage values of signal.
Effect of the present invention is in that, judged and control method by the fan form of the present invention, and fan general-purpose control system, no matter user selects three foot position fans or four foot position fans, computer system can the kenel of automatic decision fan, and corresponding different fan kenels, controlled the rotating speed of fan by the different stitch of adapter, to play the normal operational function of fan.User is no longer necessary to judge selected fan kenel voluntarily, it is only necessary to intuitive be electrically inserted on adapter, and fan can be made to use pattern to start with the best.
Feature for the present invention, implementation and effect, hereby coordinate graphic most preferred embodiment of making to describe in detail as follows.
[accompanying drawing explanation]
Fig. 1 is the schematic perspective view of the fan general-purpose control system of the present invention.
Fig. 2 is the schematic perspective view of the fan general-purpose control system of the present invention.
Fig. 3 is the circuit box schematic diagram of the fan general-purpose control system of the present invention.
The fan kenel that Fig. 4 is first embodiment of the invention judges and the flow chart of steps of control method.
Fig. 5 is the partial enlarged drawing of fan general-purpose control system of the present invention.
Fig. 6 is the partial enlarged drawing of fan general-purpose control system of the present invention.
The fan kenel that Fig. 7 is second embodiment of the invention judges and the flow chart of steps of control method.
Primary clustering symbol description:
100 motherboard 101 processing units
200 adapter 201 power pin
202 ground pin 203 rotating speed detecting stitch
204 rotating speeds control stitch 300 3 foot position fan
301 power connections 3011 are powered foot position
3012 rotating speed detecting foot position, grounding leg positions 3013
400 4 foot position fan 401 power connections
4011 power supply grounding leg positions, foot position 4012
4013 rotating speed detecting rotating speed control pin positions, foot position 4014
[detailed description of the invention]
The present invention relates to a kind of fan general-purpose control system, for having the fan of each and every one foot positions many, difference according to pin number, substantially can divide into three foot position fans and four two kinds of different kenels of foot position fan, three foot position fans or four foot position fans can be adopted in the present invention according to the demand of user and system hardware.
The fan general-purpose control system of the present invention, refer to the schematic perspective view of fan general-purpose control system of the present invention shown in Fig. 1 and Fig. 2, and please also refer to the circuit box schematic diagram of Fig. 3.
The fan general-purpose control system of the present invention includes a connector 200 and a processing unit 101, is respectively arranged on a motherboard 100, and wherein processing unit 101 is electrically connected at adapter 200.Adapter 200 plugs thereon for three foot position fans 300 or four foot position fans 400, and adapter 200 has power pin 201, ground pin 202, rotating speed detecting stitch 203 and a rotating speed controls stitch 204, adapter 200 is electrically connected with the foot position of power pin 201, ground pin 202 and rotating speed detecting stitch 203 and three foot position fans 300 or four foot position fans 400, and rotating speed controls stitch 204, and then according to the kenel difference of fan, a wherein foot position of selectivity and fan is electrically connected.
The invention additionally relates to the judgement of a kind of fan kenel and control method, comprise the embodiment of two kinds of methods, and the embodiment of both approaches all coordinates aforesaid fan general-purpose control system.In the first embodiment, refer to the flow chart of steps of the judgement of the fan kenel of first embodiment of the invention shown in Fig. 4 and control method, and please also refer to the axonometric chart of Fig. 1, Fig. 2 and the partial enlarged drawing of Fig. 5, Fig. 6.
In this embodiment, user first electrically plugs fan (S101) on adapter 200 before computer system starting, if this fan is three foot position fans 300, as shown in Figure 5, then the power connection 301 of three foot position fans 300 is detected foot position 3013 with the foot position 3011 that powers, grounding leg position 3012 and rotating speed respectively and is electrically connected with the power pin 201 of adapter 200, ground pin 202 and rotating speed detecting stitch 203, the rotating speed of adapter 200 controls stitch 204 and then connects for sky, it does not have constitute electrical connection with any foot position of power connection 301.
If the fan electrically plugged is four foot position fans 400, as shown in Figure 6, then the power connection 401 of four foot position fans 400 is electrically connected with the power pin 201 of adapter 200, ground pin 202 rotating speed detecting stitch 203 and rotating speed control stitch 204 with the foot position 4011 that powers, grounding leg position 4012, rotating speed detecting foot position 4013 and rotating speed control pin position 4014 respectively.
In the embodiment illustrated in fig. 6, processing unit 101 the meeting power pin 201 of Auto-Sensing adapter 200, ground pin 202, rotating speed detecting stitch 203 and rotating speed when computer system starting control the electrical signals (S102) of stitch 204, processing unit 101 electrical signals according to rotating speed control stitch 204 and judge the kenel (S103) of fan.
Illustrate, if being three foot position fans 300 with the fan of adapter 200, then because the rotating speed of adapter 200 controls stitch 204 and is not electrically connected with the arbitrary foot position of attaching plug 301, therefore ground connection (ground) it is equal to, its electrical signals passing back to processor 101 is a high voltage level value, processing unit 101 then can according to the electrical signals of this high voltage level, it is judged that fan is three foot position fans 300.
On the contrary, if being four foot position fans 400 with the fan of adapter 200, then because the rotating speed control pin position 4014 that the rotating speed of adapter 200 controls stitch 204 and attaching plug 401 is electrically connected, therefore its electrical signals passing back to processor 101 is a low voltage level value, processing unit 101 then can according to the electrical signals of this low voltage level, it is judged that fan is four foot position fans 400.
It should be noted that the processing unit 101 of the present invention is not limited with the determination methods of above-mentioned voltage quasi position height for the judgement of fan kenel.If processing unit 101 is electrically connected a negater circuit, then also can with return low voltage level electrical signals for judging the foundation that fan is three foot position fans 300, simultaneously also can with return high voltage level electrical signals for judging the foundation that fan is four foot position fans 400, the people being familiar with this area skill can according to the change circuit setting of its demand to reach the purpose of judgement.
In the present embodiment, when processing unit 101 judges that the fan being electrically connected with adapter 200 is three foot position fans 300, owing to the rotating speed of three foot position fans 300 is to be changed supply voltage to adjust the rotating speed of fan by power pin 3011, therefore when processing unit 101 is intended to the rotating speed controlling three foot position fans 300, then corresponding one first rotating speed that produces controls signal (S104), and it is sent to three foot position fans 300 (S105) via power pin 3011 connection power supply foot position 3011, it is variable voltage signal that this first rotating speed controls signal, the supply voltage of adjustable three foot position fan 300 is to adjust its rotating speed, the scope control of its magnitude of voltage is between 0 volt to 12 volt.
If processing unit 101 judges that the fan being electrically connected with adapter 200 is four foot position fans 400, owing to the rotating speed of four foot position fans 400 is to be controlled stitch 204 to adjust the rotating speed of fan by rotating speed, therefore when processing unit 101 is intended to the rotating speed controlling four foot position fans 400, then corresponding one second rotating speed that produces controls signal (S106), and control stitch 204 via rotating speed and connect rotating speed control pin position 4014 and be sent to four foot position fans 400 (S107), it is pulse width modified tone signal (PulseWidthModulation that this second rotating speed controls signal, PWM), can pass through the change of pulse width and adjust the rotating speed of four foot position fans 400, the voltage of four foot position fans 400 then continues to maintain 12 volts.
In the present embodiment, processing unit 101 is BIOS chip (BasicInput/OutputSystem, BIOS), the step of the present embodiment can be adopted to judge when computer system first time starts or restarts computer system after the hardware change of computer system and control the fan newly plugged.
In the second embodiment that disclosed herein, also refer to the flow chart of steps of the judgement of the fan kenel of second embodiment of the invention shown in Fig. 7 and control method, and please also refer to the axonometric chart of Fig. 1, Fig. 2 and the partial enlarged drawing of Fig. 5, Fig. 6.The method step of the present embodiment is roughly the same with the steps flow chart of first embodiment, precisely because changing the kenel of fan when different places is in that the present embodiment for computer system operation in the way of hot-swappable, namely user electrically plugs fan (S201) on adapter 200 in computer system operation, the fan general-purpose control system simultaneously adopted in the present embodiment, its processing unit 101 is hardware Monitoring and Controlling chip (H/WMonitoringIC), hardware Monitoring and Controlling chip can with computer system operation time perform such as first embodiment (S102 in real time, S103) determination methods (S202 described in, S203), and the rotating speed of three foot position fans 300 or four foot position fans 400 is adjusted according to the control method (S204～S207) of first embodiment (S104～S107), computer system need not be restarted, namely can be directed through hardware Monitoring and Controlling chip real-time judge newly plug the kenel of fan and control newly to plug the rotating speed of fan, make its normal operation.
Through fan kenel judges automatically disclosed by the invention described above, the universal fan of control method and adopting said method controls system, computer system can be connected to the fan kenel of adapter by Auto-Sensing when system start-up before system start-up, and adopt the rotating speed of different control method adjustment fan according to the kenel correspondence of different fans.
Simultaneously, the present invention also can when computer system is in running dress state, detecting real-time is to the hot-swappable hardware change action of fan, and adopt corresponding control method according to the kenel that fan is different, adjust the rotating speed of fan, to maintain normal operation and the function of fan, and then promote the stability of computer system and perform usefulness.
Described in although embodiments of the invention are disclosed above; so it is not limited to the present invention; any it has the knack of relevant art; without departing from the spirit and scope of the present invention; such as according to the shape described in the present patent application scope, structure, feature and quantity when doing a little change, therefore the scope of patent protection of the present invention must be as the criterion depending on the defined person of the claim appended by this specification.
Claims (9)
1. the judgement of a fan form and control method, it is characterised in that comprise the steps of
Electrically plug a fan on a connector；
When computer first time starts or restarts computer system after the hardware change of computer system, the fan for newly plugging is detected a power pin of described adapter, a ground pin, a rotating speed detecting stitch and a rotating speed with a processing unit and is controlled the electrical signals of stitch；And
Judge that described rotating speed controls the electrical signals of stitch with described processing unit, and correspondence produces one first rotating speed control signal and is sent to described fan via described power pin, or corresponding generation one second rotating speed control signal controls stitch via described rotating speed and is sent to described fan.
2. the judgement of fan form as claimed in claim 1 and control method, it is characterised in that be a high voltage level value when judging that described rotating speed controls the electrical signals of stitch, produces described first rotating speed control signal and is sent to described fan via described power pin；Being a low voltage level value when judging that described rotating speed controls the electrical signals of stitch, described second rotating speed of corresponding generation controls signal and is sent to described fan via described rotating speed control stitch.
3. the judgement of fan form as claimed in claim 1 and control method, it is characterised in that it is between 0 volt to 12 volts that described processing unit controls the range of voltage values that described first rotating speed controls signal.
4. a fan general-purpose control system, for a fan, described fan has multiple foot position, it is characterised in that described fan general-purpose control system comprises:
A connector, plug thereon for described fan, described adapter has a power pin, a ground pin, a rotating speed detecting stitch and a rotating speed and controls stitch, the described foot position of described power pin, described ground pin and described rotating speed detecting stitch and described fan is electrically connected, and the wherein foot position selectivity described in of described fan and the control stitch electric connection of described rotating speed；And
One processing unit, it is electrically connected at described adapter, when computer first time starts or restarts computer system after the hardware change of computer system, described power pin is detected for processing unit described in the fan that newly plugs, described ground pin, described rotating speed detecting stitch and described rotating speed control the electrical signals of stitch, described processing unit judges that described rotating speed controls the electrical signals of stitch, and correspondence produces one first rotating speed control signal and is sent to described fan via described power pin, or correspondence produces one second rotating speed control signal and is sent to described fan via described rotating speed control stitch.
5. fan general-purpose control system as claimed in claim 4, it is characterized in that, it is a high voltage level value that described rotating speed controls the electrical signals of stitch, described processing unit correspondence produces described first rotating speed control signal and is sent to described fan via described power pin, being a low voltage level value when described rotating speed controls the electrical signals of stitch, described processing unit correspondence produces described second rotating speed control signal and is sent to described fan via described rotating speed control stitch.
6. fan general-purpose control system as claimed in claim 4, it is characterised in that described processing unit is BIOS chip (BasicInput/OutputSystem, BIOS).
7. fan general-purpose control system as claimed in claim 4, it is characterised in that described processing unit is hardware Monitoring and Controlling chip (H/WMonitoringIC).
8. fan general-purpose control system as claimed in claim 4, it is characterised in that it is variable voltage signal that described first rotating speed controls signal, it is pulse width modified tone signal (PulseWidthModulation, PWM) that described second rotating speed controls signal.
9. fan general-purpose control system as claimed in claim 8, it is characterised in that the range of voltage values that described first rotating speed controls signal is between 0 volt to 12 volts.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW100144536A TW201325041A (en) | 2011-12-02 | 2011-12-02 | Mether for identifying and controlling a fan and common fan control system using the same |
| TW100144536 | 2011-12-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103133385A CN103133385A (en) | 2013-06-05 |
| CN103133385B true CN103133385B (en) | 2016-06-29 |
Family
ID=48493675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210004033.4A Expired - Fee Related CN103133385B (en) | 2011-12-02 | 2012-01-06 | Fan shape judging and controlling method and fan universal control system |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103133385B (en) |
| TW (1) | TW201325041A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI499905B (en) * | 2013-07-10 | 2015-09-11 | Asia Vital Components Co Ltd | Detection module, device and system for detection fan's connection and disconnection states |
| CN104279174B (en) * | 2013-07-10 | 2016-08-31 | 奇鋐科技股份有限公司 | Fan line and detecting module, device and the system thereof of broken string state |
| TWI586895B (en) * | 2015-12-23 | 2017-06-11 | 新唐科技股份有限公司 | Fan driver system and fan driver analog chip |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1869946A (en) * | 2005-05-24 | 2006-11-29 | 志合电脑股份有限公司 | Multi-fan identification system and its control method |
| CN1892609A (en) * | 2005-07-09 | 2007-01-10 | 鸿富锦精密工业（深圳）有限公司 | Method for automatically detecting fan kind of central processor |
| CN2864764Y (en) * | 2006-01-20 | 2007-01-31 | 英业达股份有限公司 | Drive control mechanism for fan |
| CN101476567A (en) * | 2008-01-02 | 2009-07-08 | 新唐科技股份有限公司 | Apparatus and method for fan auto-detection |
| TW201122235A (en) * | 2009-12-24 | 2011-07-01 | Pegatron Corp | Device and method for detecting a type of a fan |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101464694B (en) * | 2007-12-21 | 2012-06-20 | 鸿富锦精密工业（深圳）有限公司 | Control circuit for computer fan |
| CN101514708B (en) * | 2008-02-18 | 2012-12-19 | 鸿富锦精密工业（深圳）有限公司 | Computer fan control device |
-
2011
- 2011-12-02 TW TW100144536A patent/TW201325041A/en unknown
-
2012
- 2012-01-06 CN CN201210004033.4A patent/CN103133385B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1869946A (en) * | 2005-05-24 | 2006-11-29 | 志合电脑股份有限公司 | Multi-fan identification system and its control method |
| CN1892609A (en) * | 2005-07-09 | 2007-01-10 | 鸿富锦精密工业（深圳）有限公司 | Method for automatically detecting fan kind of central processor |
| CN2864764Y (en) * | 2006-01-20 | 2007-01-31 | 英业达股份有限公司 | Drive control mechanism for fan |
| CN101476567A (en) * | 2008-01-02 | 2009-07-08 | 新唐科技股份有限公司 | Apparatus and method for fan auto-detection |
| TW201122235A (en) * | 2009-12-24 | 2011-07-01 | Pegatron Corp | Device and method for detecting a type of a fan |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201325041A (en) | 2013-06-16 |
| CN103133385A (en) | 2013-06-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101963150B (en) | Fan type detection and speed regulation system | |
| CN101514708B (en) | Computer fan control device | |
| CN102314213B (en) | The computer system of dynamic conditioning frequency of operation | |
| CN101477391B (en) | Control circuit for computer fan | |
| EP0676688A2 (en) | Apparatus and methods for saving power in computing machinery | |
| CN103133385B (en) | Fan shape judging and controlling method and fan universal control system | |
| CN102042249B (en) | Control circuit of computer fan | |
| CN100395720C (en) | Automated computer on-off operation testing device and method | |
| GB2427513A (en) | Power distribution socket assembly with sampling means | |
| CN101334673A (en) | Computer fan control circuit and control method | |
| TWI567536B (en) | Power management circuit, server and power management method thereof | |
| CN101994718A (en) | Fan control circuit | |
| US7917779B2 (en) | Power control apparatus for motherboard | |
| CN101576763B (en) | Fan control circuit | |
| TWI436207B (en) | Detecting circuit of fan | |
| CN102454622A (en) | Mainboard, fan continuous rotation control device, and fan continuous rotation control circuit | |
| CN103807199B (en) | Fan control circuitry | |
| TWI530765B (en) | Programming control method for servo fan and programming control device thereof | |
| CN100463321C (en) | Circuit for preventing chip from misoperation | |
| CN106227317B (en) | A kind of signal processing method and electronic equipment | |
| US20090094472A1 (en) | Computer system and method for dynamically saving power thereof | |
| CN105005727A (en) | Control system based on dynamic password and USBKEY and control method for control system | |
| Intel | Intel® Desktop Board DG41KR Technical Product Specification | |
| Intel | Intel® Desktop Board DG43RK Technical Product Specification | |
| US10942213B2 (en) | Device and method for testing motherboard |
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 |
Granted publication date: 20160629 Termination date: 20210106 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |