CN103838655B - Computer system and control method thereof - Google Patents
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- CN103838655B CN103838655B CN201210470103.5A CN201210470103A CN103838655B CN 103838655 B CN103838655 B CN 103838655B CN 201210470103 A CN201210470103 A CN 201210470103A CN 103838655 B CN103838655 B CN 103838655B
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- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000001816 cooling Methods 0.000 claims abstract description 32
- 108091092568 Alarmone Proteins 0.000 claims 1
- 239000000758 substrate Substances 0.000 description 10
- 238000013021 overheating Methods 0.000 description 4
- 230000006378 damage Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 210000001367 artery Anatomy 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
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Abstract
A kind of computer system and control method thereof disclose at this.Computer system includes blower module, temperature-sensitive sticker, tachometer, baseboard management controller and logic control device.Tachometer is in order to detect and to export the first rotational frequency of blower module.Temperature-sensitive sticker is in order to the temperature of detecting computer system, and exports heat alarm when computer system is overheated.Baseboard management controller is in order to receive and to provide fixed pulse width modulating signal to blower module and to export manual control signal according to manual control signal.Logic control device receives manual control signal and the first rotational frequency, and produces according to the first rotational frequency in time receiving heat alarm and output cooling pulse signal.
Description
Technical field
The invention relates to a kind of electronic system and control method thereof, in particular to a kind of department of computer science
System and control method thereof.
Background technology
Along with the development of digital technology, computer system has been widely used in the middle of the life of people, as
In order to provide the desktop computer of personal use, notebook computer and in order to provide the network processes of network service
Device, server etc..
Traditionally, some type of computer system may utilize a baseboard management controller (baseboard
Management controller, BMC) temperature of interior arrangement in supervisory computer system and blower module
Rotating speed, to adjust blower module.But, operate for ease of manager, the fan of baseboard management controller
Management is generally of automatic control mode and MANUAL CONTROL mode, if manager arranges baseboard management controller
When fan management is MANUAL CONTROL mode, then baseboard management controller i.e. cannot fill according to its inside monitored
The temperature put and the adjustment of rotational speed blower module of blower module, if consequently, it is possible to manager's carelessness makes fan
During module rotating speed deficiency, computer system may work as machine because of overheated, or causes its inner member impaired.
Summary of the invention
An embodiment of the present invention is a kind of computer system, and it utilizes logic control device assisting base plate to control
Manager carries out the control of blower module.
According to one embodiment of the invention, this computer system receives a manual control signal and includes a fan mould
Block, a tachometer, a temperature-sensitive sticker, a baseboard management controller and a logic control device.This turn
Speed meter is electrically connected with this blower module, in order to detect and to export one first rotational frequency of this blower module.Should
Temperature-sensitive sticker is in order to detect the temperature of this computer system, and exports a mistake when this computer system is overheated
Thermal signal.This baseboard management controller, in order to receive and according to a manual control signal, to provide one to fix
Pulse width modulation signal is to this blower module, and exports this manual control signal.This logic control device,
It is electrically connected with this tachometer, this baseboard management controller and this blower module, and receives this manual control signal
With this first rotational frequency, and in time receiving this heat alarm according to this first rotational frequency produce and output
One cooling pulse signal.
According to one embodiment of the invention, this logic control device is to export all in time receiving this heat alarm
Change signal.
According to one embodiment of the invention, this computer system also includes a switch.This switch is electrically connected with
This baseboard management controller, this logic control device and this blower module.This switch is according to this switching
This fixed pulse width modulating signal of the output of signal-selectivity maybe this cooling pulse signal is to this blower module.
According to one embodiment of the invention, this logic control device is pre-through one in time receiving this heat alarm
If just exporting this cooling pulse signal and this switching signal after the time.
According to one embodiment of the invention, this logic control device in time receiving this heat alarm, be with this
One rotational frequency is made comparisons with one second rotational frequency received after this Preset Time, be used to this
This cooling pulse signal and this switching signal is exported when two rotational frequencies are less than or equal to this first rotational frequency, and
Export a warning message to this baseboard management controller.
Another embodiment of the present invention is the control method of a kind of computer system.Implement according to the present invention one
Example, this computer system receives a manual control signal, and include a blower module, a switch, one turn
Speed meter, a temperature-sensitive sticker, a baseboard management controller and a logic control device.This control method bag
Include: one first rotational frequency of this blower module is detected and exported to this tachometer；The detecting of this temperature-sensitive sticker should
The temperature of computer system, and a heat alarm is exported when this computer system is overheated；The management control of this substrate
Device processed receive and according to this manual control signal provide a fixed pulse width modulating signal to this blower module,
And export this manual control signal；This logic control device receives this manual control signal and this first rotation frequency
Rate；And, this logic control device in time receiving this heat alarm according to this first rotational frequency produce and
Output one cooling pulse signal.
According to one embodiment of the invention, control method also includes that this logic control device is in receiving this overheated letter
Number time export a switching signal.
According to one embodiment of the invention, control method also includes that this switch receives and selects according to this switching signal
This fixed pulse width modulating signal of the output of selecting property maybe this cooling pulse signal is to this blower module.
According to one embodiment of the invention, the step exporting this switching signal also includes: this logic control device in
After a Preset Time, this cooling pulse signal and this switching signal is just exported when receiving this heat alarm.
According to one embodiment of the invention, the step exporting this switching signal also includes: this logic control device in
When receiving this heat alarm, it is with this first rotational frequency and one the received after this Preset Time
Two rotational frequencies are made comparisons, and being used to this second rotational frequency should less than or equal to output during this first rotational frequency
Cooling pulse signal and this switching signal, and output one warning message is to this baseboard management controller.
In sum, apply the above embodiments, can be by monitoring heat alarm, baseboard management controller
Control model and the rotating speed of blower module, carry out the rotating speed of blower module with assisting base plate Management Controller
Control, and avoid making computer system overheated because of manager's carelessness, and cause computer system crash or make
Become the injury of its inner member.
Accompanying drawing explanation
Fig. 1 is the block chart according to the computer system depicted in one embodiment of the invention；
Fig. 2 is the operation chart according to the computer system depicted in one embodiment of the invention；And
Fig. 3 is the schematic diagram of the control method according to the computer system depicted in one embodiment of the invention.
[main element symbol description]
100: computer system 110: logic control device
112: rotating speed detecting module 120: baseboard management controller
130: blower module 140: tachometer
150: switch 160: temperature-sensitive sticker
S1-S5: step S32-S36: sub-step
Sw_ctrl: switching signal
Detailed description of the invention
Below by the spirit of the present invention being clearly described with accompanying drawing and narration in detail, any art has
Usually intellectual is after understanding presently preferred embodiments of the present invention, when can being added by the technology of teachings of the present invention
To change and to modify, it is without departing from spirit and scope of the invention.
About " electric connection " used herein, can refer to two or multiple element body ground in electrical contact or
The most in electrical contact.
An aspect of of the present present invention is a kind of computer system, e.g. desktop computer, notebook computer, net
Network processor and server etc., for making narration clear, will be carried out in the following paragraphs as a example by server
Explanation.
Fig. 1 is the block chart according to the computer system 100 depicted in one embodiment of the invention.Department of computer science
System 100 includes logic control device 110, baseboard management controller (baseboard management
Controller, BMC) 120, blower module 130, tachometer 140, switch 150 and temperature sensing
Device 160.Logic control device 110 is electrically connected with baseboard management controller 120, tachometer 140, switching
Device 150 and temperature-sensitive sticker 160.Baseboard management controller 120 is electrically connected with tachometer 140 and cuts
Parallel operation 150.Blower module 130 is electrically connected with tachometer 140 and switch 150.Wherein, logic control
Device 110 processed can use (but not limited to) logic circuit, programmable logic device (programmable logic
Device, PLD), complex programmable logic device (complex programmable logic device,
Or programmable gate array (field programmable gate array, FPGA) is realized CPLD).
Tachometer 140 is in order to detect and to export the first rotational frequency of blower module 130 to logic control device
110 and baseboard management controller 120.
Temperature-sensitive sticker 160 can detecting computer system 100 and the temperature of interior arrangement thereof, such as detecting in
The temperature etc. of central processor, memory body and power supply unit.Temperature-sensitive sticker 160 can be in computer system
100 and interior arrangement overheated time (such as temperature is more than a preset threshold), be transmitted across thermal signal (e.g.
CPU VR Hot_N, MEM VR Hot_N, PSU Hot Alert_N or NM Prochot_N) to logic
Control device 110.
Baseboard management controller 120 may be used to provide pulse width modulation signal to blower module 130, with control
The rotating speed of blower module 130 processed.Baseboard management controller 120 has automatic control mode and Non-follow control mould
Formula.Under automatic control mode, the fan mould that baseboard management controller 120 can provide according to tachometer 140
The temperature of the interior arrangement of the rotational frequency of block 130 and computer system 100 is to automatic fan module 130
Carry out rotating speed control.And when baseboard management controller 120 receives the manual control signal of user input
Time, baseboard management controller 120 is changeable for MANUAL CONTROL mode.Now, baseboard management controller 120
According to this manual control signal offer fixed pulse width modulating signal to blower module 130, and export on the other hand
Dynamic control signal is to logic control device 110, and it is in Non-follow control mould to control device 110 with notification logic
Formula.
Logic control device 110 can receive the manual control signal of baseboard management controller 120 output, rotating speed
First rotational frequency of the blower module 130 of meter 140 output, and export receiving temperature-sensitive sticker 160
Heat alarm time, and according to first rotational frequency produce and output one cooling pulse signal to blower module
130。
By above-mentioned setting, when baseboard management controller 120 is set to MANUAL CONTROL mode, logic
Controlling device 110 can be according to the first rotational frequency of heat alarm with tachometer 140 output, to judge whether
Replacing baseboard management controller 120 provides cooling pulse signal to blower module 130.So can avoid calculating
Machine system 100 works as machine because of overheated or inner member suffers damage.
In one embodiment, aforementioned fall is provided by logic control device 110 replacement baseboard management controller 120
Temperature pulse signal can be realized by switch 150 to the operation of blower module 130.Two of switch 150
Input can be electrically connected with logic control device 110 and baseboard management controller 120, switch 150
Outfan can be electrically connected with blower module 130, and the control end of switch 150 can be electrically connected with logic control
Device 110 processed.By above-mentioned setting, logic control device 110 can be by whether export a switching signal
To switch 150, to make the cooling pulse of switch 150 selectivity output logic control device 110 output
The fixed pulse width modulating signal of signal or baseboard management controller 120 output is to blower module 130.
It addition, in one embodiment, logic control device 110 when receiving heat alarm according to first turn
Dynamic frequency produces and the concrete operations of output cooling pulse signal can be the most following.
First, can be after receiving MANUAL CONTROL mode signal and receiving at logic control device 110
Before thermal signal, receive the first rotational frequency of the blower module 130 of tachometer 140 output, and then patrolling
Volume control after device 110 receives heat alarm, after a Preset Time, to receive tachometer 140 and to export
One second rotational frequency of blower module 130.Then, logic control device 110 may compare the first rotation
Frequency and the second rotational frequency, if the second rotational frequency is identical less than or equal to the first rotational frequency, and logic
Control device 110 and persistently receive MANUAL CONTROL mode signal and heat alarm, then logic control device 110
Exportable cooling pulse signal and switching signal sw_ctrl (such as making switching signal sw_ctrl is high levels current potential)
The cooling pulse signal exported to make logic control device 110 to switch 150 transmits via switch 150
To blower module 130.Meanwhile, the most exportable warning message of logic control device 110 is to substrate management control
Device 120 processed, baseboard management controller 120 receives and stores this warning message, grasps this mistake in order to manager
Incident heat situation.
On the other hand, the cooling pulse signal of logic control device 110 output is exported to wind at switch 150
When fan module 130 (that is logic control device 110 controls the rotating speed of blower module 130), if warm
Degree sensor 160 stopping output heat alarm, to logic control device 110, makes logic control device 110 connect
Can not receive heat alarm, then the overheating conditions that can represent computer system 100 interior arrangement releases, logic
Control device 110 can send another switching signal sw_ctrl, and (such as making switching signal sw_ctrl is low level electricity
Position) to switch 150, with the fixed pulse width making switch 150 output substrate Management Controller 120 export
Degree modulating signal is to blower module 130.Similarly, logic control device 110 is exported at switch 150 defeated
When the cooling pulse signal gone out is to blower module 130, if baseboard management controller 120 stops output
Manual control signal is to logic control device 110, and makes logic control device 110 not receive Non-follow control
Mode signal, then can represent baseboard management controller 120 handed over for automatic control mode, then logic control
Device 110 can send another switching signal sw_ctrl equally, and (such as making switching signal sw_ctrl is low level electricity
Position) to switch 150, adjust with the pulse width making switch 150 output substrate Management Controller 120 export
Varying signal is to blower module 130.Meanwhile, the most exportable return information of logic control device 110 is to substrate
Management Controller 120, baseboard management controller 120 receives and stores this return information, slaps in order to manager
Hold this overheated situation.
By so operation, logic control device 110 can be in the mistake releasing computer system 100 interior arrangement
After thermal conditions or after baseboard management controller 120 switches to automatic control mode, order belongs to higher-order fortune again
The baseboard management controller 120 calculating device controls the rotating speed of blower module 130.
In one embodiment, logic control device 110 can be according to the temperature of computer system 100 interior arrangement
And/or the rotational frequency of blower module 130 received by logic control device 110 is to provide pulse width to adjust
Varying signal, such as rotational speed control module 116 can use comparison list to provide arteries and veins according to temperature or rotational frequency
Rush width modulation signal.
When noticing, logic control device 110 can provide pulse width modulation letter according to practice situation
Number, such as, in one embodiment, for making computer system 100 fast cooling, rotational speed control module 116
Pulse width modulation signal can be provided to make blower module 130 full-speed operation, therefore rotational speed control module 116 provides
The mode of pulse width modulation signal is not limited with above-described embodiment.
Following will illustrate the operation of aforementioned computer system 100 with an embodiment, but its operation is not
As limit.Fig. 2 is the operation chart according to the computer system 100 depicted in one embodiment of the invention.
Referring concurrently to Fig. 1, Fig. 2, at time point t0Time, baseboard management controller 120 exports Non-follow control
Signal is to logic control device 110.At period t0-t1In, owing to logic control device 110 not yet detects
Heat alarm, therefore logic control device 110 receives the first rotational frequency of tachometer 140 output.
At time point t1Time, logic control device 110 receives heat alarm, and starts time delay, as
Period t1-t2.The buffer time of the rotating speed of blower module 130 can be adjusted time delay as manager, such as,
If manager is at time point t1The temperature of computer-chronograph system 100 is too high, then manager may be at time point t1、
t2Between adjust blower module 130 rotating speed.Consequently, it is possible to owing to the rotating speed of blower module 130 changes,
In step then, therefore logic control device 110 can judge not export cooling pulse signal to fan mould
Block 130 is to control the rotating speed of blower module 130.
At time point t2Time, terminate logic control device 110 time delay and receive the second of blower module 130
Rotational frequency.
At time point t3Time, the second rotational frequency detecting of blower module 130 terminates, logic control device
110 can determine whether that baseboard management controller 120 for MANUAL CONTROL mode, logic control device 110 is the most still
No still detect heat alarm and first, second rotational frequency is the most identical.When above-mentioned condition is all set up
In the case of, logic control device 110 sends switching signal sw_ctrl (such as high levels current potential) to switch
150, to make switch 150 export the cooling pulse signal of logic control device 110 output to blower module
130, to control the rotating speed of blower module 130.When noticing, aforementioned Preset Time e.g. period t1-t3。
At time point t4Time, overheating conditions releases, and logic control device 110 is detected less than heat alarm, therefore
Logic control device 110 sends another switching signal sw_ctrl (such as low level current potential) and controls switch 150,
To make pulse width modulation signal that switch 150 output substrate Management Controller 120 exports to blower module
130, to control the rotating speed of blower module 130.
Another aspect of the present invention is the control method of a kind of computer system.This control method can be used for structure with
Same or similar computer system in earlier figures 1.For convenience of description, following control method is with Fig. 1
It is described as a example by shown embodiment, but is not limited with the embodiment of Fig. 1.
When noticing, in the step in following control method, unless stated clearly separately, the most not there is spy
Definite sequence.It addition, following steps also may be performed simultaneously or overlapping on the execution time.
Fig. 3 is the flow chart according to the computer system control method 300 depicted in one embodiment of the invention.
Control method 300 comprises the steps that
The first rotational frequency of blower module 130 is detected and exported to tachometer 140；Temperature-sensitive sticker 160
The temperature of detecting computer system 100, and a heat alarm is exported when computer system 100 is overheated；Base
Board management controller 120 receives and provides fixed pulse width modulating signal to wind according to manual control signal
Fan module 130, and export manual control signal；Logic control device 110 is by whether receive manually control
Mode signal processed is to judge that whether baseboard management controller 120 is as MANUAL CONTROL mode (step S1)；If substrate
Management Controller 120 is MANUAL CONTROL mode, then logic control device 110 can receive tachometer 140 and exports
The rotational frequency of blower module 130 and the heat alarm (step S2) of temperature-sensitive sticker 160 output；Connect
, logic control device 110 produces according to the first rotational frequency and output cooling in time receiving heat alarm
Pulse signal is to blower module 130, to control the rotating speed (step S3) of blower module 130.Wherein about mistake
The details of thermal signal can refer to previous embodiment, does not repeats them here.
By performing above-mentioned control method 300, by above-mentioned operation, at baseboard management controller 120
When being set to MANUAL CONTROL mode, logic control device 110 can be according to heat alarm and tachometer 140
First rotational frequency of output, to judge whether that replacing baseboard management controller 120 provides cooling pulse signal
To blower module 130.Computer system 100 so can be avoided to work as machine because of overheated or inner member is damaged
Evil.
In step sl, if baseboard management controller 120 is automatic control mode, then blower module 130
Controlled by baseboard management controller 120, computer system 100 repeatable execution step S1, to judge
Whether baseboard management controller 120 switches to MANUAL CONTROL mode.
After baseboard management controller 120 switches to MANUAL CONTROL mode, logic control device 110 can connect
Receive the first rotational frequency of the blower module 130 of tachometer 140 output before receiving heat alarm, and connecing
After receiving the Preset Time after heat alarm, receive the second of the blower module 130 that tachometer 140 exports
Rotational frequency.
In step s3, logic control device 110 can determine whether to receive heat alarm, and is receiving
To heat alarm and compare after a Preset Time the second rotational frequency of blower module 130 with first turn
Dynamic frequency (sub-step S32)；If logic control device 110 receives heat alarm and blower module 130
Second rotational frequency is less than or equal to the first rotational frequency, then logic control device 110 can determine whether to receive
MANUAL CONTROL mode signal, that is judge that baseboard management controller 120 is the most still for MANUAL CONTROL mode (son
Step S34)；If baseboard management controller 120 is still MANUAL CONTROL mode, then logic control device 110
Exportable switching signal sw_ctrl (such as high levels current potential) to switch 150 with make switch export logic control
The cooling pulse signal of device 110 processed output is to blower module 130, that is switching is by logic control device 110
Control the rotating speed (sub-step S36) of blower module 130.Meanwhile, in one embodiment, logic control device
110 the most exportable warning messages receive also to baseboard management controller 120, baseboard management controller 120
Store this warning message, grasp this overheated situation in order to manager.
On the other hand, in sub-step S32, if logic control device 110 does not receives heat alarm, then
Computer system 100 repeatable execution step S2, persistently to judge whether to receive heat alarm.Furthermore,
In sub-step S34, if baseboard management controller 120 computer system 100 perform step S2 with
Be arranged to as automatic control mode during sub-step S32, then the rotating speed of blower module 130 is by substrate
Management Controller 120 is controlled, and computer system 100 repeatable execution step S1, to judge substrate pipe
Whether the control model of reason controller 120 switches to MANUAL CONTROL mode.
In one embodiment, control method 200 can also include: switch 150 exports logic control device
The cooling pulse signals of 110 outputs to blower module 130 (that is, logic control device 110 control fan
The rotating speed of module 130) when, logic control device 110 judges whether to receive heat alarm (step
S4)；If the heat alarm of not receiving, then logic control device 110 sends another switching signal sw ctrl (example
Such as low level current potential) to switch 150, to make switch 150 output substrate Management Controller 120 export
Fixed pulse width modulating signal to blower module 130 (that is, switching is controlled by baseboard management controller 120
The rotating speed of blower module 130) (step S5).By step S4, S5, computer system 100 can be within it
After the overheating conditions of part device releases, order belongs to the baseboard management controller 120 of higher-order arithmetic unit again
Control the rotating speed of blower module 130.
Additionally, while logic control device 110 sends another switching signal aforementioned, logic control device
110 the most exportable return informations receive also to baseboard management controller 120, baseboard management controller 120
Store this return information, grasp this overheated situation in order to manager.
On the other hand, in step s 4, if logic control device 110 persistently receives heat alarm, then
Represent the overheating conditions of interior arrangement in computer system 100 not yet to eliminate, now computer system 100
Can again perform sub-step S34, to make logic control device 110 persistently judge baseboard management controller 120
Whether it is switched to automatic control mode.
Although the present invention is disclosed above with embodiment, so it is not limited to the present invention, any is familiar with this
Those skilled in the art, without departing from the spirit and scope of the present invention, when being used for a variety of modifications and variations, therefore originally
The protection domain of invention is when being defined in the range of standard depending on appending claims.
Claims (6)
1. a computer system, it is characterised in that be to receive a manual control signal, this department of computer science
System includes:
One blower module；
One tachometer, is electrically connected with this blower module, in order to detect and to export one first turn of this blower module
Dynamic frequency；
One temperature-sensitive sticker, in order to detect the temperature of this computer system, and when this computer system is overheated
Export a heat alarm；
One baseboard management controller, in order to receive and according to a manual control signal, to provide a fixed pulse
Width modulation signal is to this blower module, and exports this manual control signal；
One logic control device, is electrically connected with this tachometer, this baseboard management controller and this blower module,
And receive this manual control signal and this first rotational frequency, and in time receiving this heat alarm according to this
One rotational frequency produces and output one cooling pulse signal, and wherein this logic control device is in receiving this mistake
A switching signal is exported during thermal signal；And
One switch, is electrically connected with this baseboard management controller, this logic control device and this blower module,
This switch is optionally to export maybe this cooling of this fixed pulse width modulating signal according to this switching signal
Pulse signal is to this blower module.
Computer system the most according to claim 1, it is characterised in that this logic control device in
It is after a Preset Time, just to export this cooling pulse signal believe with this switching when receiving this heat alarm
Number.
Computer system the most according to claim 2, it is characterised in that this logic control device in
When receiving this heat alarm, it is with this first rotational frequency and one the received after this Preset Time
Two rotational frequencies are made comparisons, and being used to this second rotational frequency should less than or equal to output during this first rotational frequency
Cooling pulse signal and this switching signal, and output one warning message is to this baseboard management controller.
4. the control method of a computer system, it is characterised in that it is manual that this computer system receives
Control signal, this computer system includes a blower module, a switch, a tachometer, a temperature sensing
Device, a baseboard management controller and a logic control device, this control method includes:
One first rotational frequency of this blower module is detected and exported to this tachometer；
The temperature of this computer system detected by this temperature-sensitive sticker, and exports one when this computer system is overheated
Heat alarm；
This baseboard management controller receives and provides a fixed pulse width modulation according to this manual control signal
Signal is to this blower module, and exports this manual control signal；
This logic control device receives this manual control signal and this first rotational frequency；
This logic control device produces according to this first rotational frequency and output in time receiving this heat alarm
One cooling pulse signal；
This logic control device exports a switching signal in time receiving this heat alarm；And
This switch receives and optionally exports this fixed pulse width modulating signal according to this switching signal
Maybe this cooling pulse signal is to this blower module.
Control method the most according to claim 4, it is characterised in that export the step of this switching signal
Suddenly also include:
This logic control device just exports this cooling in time receiving this heat alarm after a Preset Time
Pulse signal and this switching signal.
Control method the most according to claim 5, it is characterised in that export the step of this switching signal
Suddenly also include:
This logic control device, in time receiving this heat alarm, is pre-with through this with this first rotational frequency
If one second rotational frequency received after the time is made comparisons, it is used to this second rotational frequency less than or equal to being somebody's turn to do
Export this cooling pulse signal and this switching signal during the first rotational frequency, and output one warning message is to this base
Board management controller.
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| CN201210470103.5A CN103838655B (en) | 2012-11-20 | 2012-11-20 | Computer system and control method thereof |
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| CN201210470103.5A CN103838655B (en) | 2012-11-20 | 2012-11-20 | Computer system and control method thereof |
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| CN103838655A CN103838655A (en) | 2014-06-04 |
| CN103838655B true CN103838655B (en) | 2016-09-14 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106598814B (en) * | 2016-12-26 | 2019-05-14 | 郑州云海信息技术有限公司 | A kind of design method for realizing server system overheating protection |
| CN108170575A (en) * | 2017-12-25 | 2018-06-15 | 曙光信息产业(北京)有限公司 | A kind of control method and device of server radiating |
| CN109826822B (en) * | 2019-04-11 | 2021-06-29 | 苏州浪潮智能科技有限公司 | Fan control method and related device |
| CN109882440A (en) * | 2019-04-16 | 2019-06-14 | 苏州浪潮智能科技有限公司 | A kind of fan rotation speed control apparatus and control method |
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| CN1713157A (en) * | 2004-06-24 | 2005-12-28 | 三星电子株式会社 | System, medium, and control method for a computer |
| CN102444598A (en) * | 2010-09-30 | 2012-05-09 | 鸿富锦精密工业（深圳）有限公司 | Fan rotational speed control device and method thereof |
| CN102458082A (en) * | 2010-10-22 | 2012-05-16 | 鸿富锦精密工业（深圳）有限公司 | Temperature regulating device for electronic device |
| CN102521109A (en) * | 2011-12-31 | 2012-06-27 | 曙光信息产业股份有限公司 | Method for monitoring states of server |
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