CN100394397C - Apparatus for increasing processor efficiency under condition of meeting temperature request, and method thereof - Google Patents
Apparatus for increasing processor efficiency under condition of meeting temperature request, and method thereof Download PDFInfo
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- CN100394397C CN100394397C CNB2005101051393A CN200510105139A CN100394397C CN 100394397 C CN100394397 C CN 100394397C CN B2005101051393 A CNB2005101051393 A CN B2005101051393A CN 200510105139 A CN200510105139 A CN 200510105139A CN 100394397 C CN100394397 C CN 100394397C
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Abstract
This invention discloses a processor efficiency improving method in proper temperature and the device. The method includes several steps: detect the processor temperature and change the exterior frequency from the first one to the second one when the temperature exceed the first threshold; if the temperature below the second threshold, change the exterior frequency from the second one to the first one (the second frequency is less than the first one).This invention could dynamically regulate the processor efficiency according to the temperature and enhance its efficiency in proper temperature.
Description
Technical field
The present invention relates to a kind of lifting central processing unit (central processing unit, CPU) device and method of efficient.Relate in particular to the usefulness that under the monitoring of temperature, promotes processor, cause usefulness can't increase the problem that reduces on the contrary with the problem of avoiding temperature.
Background technology
Generally speaking, the user is increased the usefulness and the running speed of a central processing unit (CPU) by overclocking (over-clocking).The internal frequency of one processor actual operation (internal clock) is the product of a foreign frequency (external clock) and a frequency multiplication amount (frequency multiple).So-called overclocking refers to by increasing the internal frequency of foreign frequency with this processor and improves.In order to increase the degree of stability of processor when the overclocking, the user also can increase the voltage that offers this processor usually.Yet under the situation of overclocking, high pressure, the temperature of processor can rise rapidly.Have protection mechanism in existing processor is most, damage because of overheated (over-heated) in order to avoid processor.Modal protection mechanism can roughly be divided into the first hot monitoring mode (thermal monitoring mode), the second hot monitoring mode and shut down these three kinds.The first hot monitoring mode downgrades the foreign frequency of processor, and the second hot monitoring mode downgrades the frequency multiplication amount of processor.In theory, after externally frequency or frequency multiplication amount were downgraded, the internal frequency of this processor can descend thereupon, and the running speed of processor also can be slowed down.Therefore, the temperature of this processor should be able to reduce.If first and second hot monitoring mode still can't effectively reduce the temperature of processor, this processor just may be shut down automatically, and reason is overheated and damage to guarantee this processor.
In the first hot monitoring mode, the big appointment of the usefulness of processor reduces by 30% to 50%; In the second hot monitoring mode, the then big appointment of the usefulness of processor reduces by 5% to 25%.If two kinds of hot monitoring modes all activate, the usefulness of processor may significantly be reduced to 1/4th of normal condition.The purpose of overclocking is to improve the usefulness of processor.If because of overclocking causes processor overheated, enter hot monitoring mode or be shut down, the usefulness of processor is significantly reduced, even the usefulness during than overclocking not is also poor, loses more than gain.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of and is meeting the device and method that promotes processor efficiency under the temperature requirement.One internal frequency of this processor is the product of a foreign frequency and a frequency multiplication amount.The user can set up the overclocking amount according to the characteristic of this processor on their own.The overclocking amount that sets according to the user can be learnt foreign frequency and frequency multiplication amount default when the overclocking in advance according to device and method of the present invention.
A preferred embodiment according to the present invention is a kind ofly to meet under the temperature requirement method that promotes processor efficiency, and an internal frequency of this processor is the product of a foreign frequency and a frequency multiplication amount, and wherein, this method comprises the following step:
(a) detect the temperature of this processor, in case and this temperature surpass a first threshold, this foreign frequency is come down to a second frequency by a first frequency; And
(b) after step (a) is finished, whether the temperature of judging this processor less than one second threshold value, if for being, this foreign frequency is increased by this second frequency being this first frequency, and wherein this second threshold value is lower than this first threshold;
Wherein this first frequency is that this processor is preset the foreign frequency of using when overclocking, and this second frequency is to be higher than this processor employed foreign frequency when overclocking not;
(c) if the judged result of step (b) is not, whether the temperature of then judging this processor is greater than one the 3rd threshold value, if the judged result of step (c) then comes down to a second value with this frequency multiplication amount by one first numerical value for being, wherein the 3rd threshold value is higher than this first threshold; And
(d) after step (c) is finished, whether the temperature of judging this processor less than one the 4th threshold value, if for being, then this frequency multiplication amount being increased by this second value and is this first numerical value, and wherein the 4th threshold value is higher than this first threshold and is lower than the 3rd threshold value;
Wherein this first numerical value is that this processor is preset the frequency multiplication amount of using when overclocking, and this second value height is in this processor employed frequency multiplication amount during in overclocking not.
Another preferred embodiment according to the present invention is a kind ofly to meet under the temperature requirement device that promotes processor efficiency, and an internal frequency of this processor is the product of a foreign frequency and a frequency multiplication amount, and wherein, this device comprises:
One first judge module, this first judge module is in order to detect the temperature of this processor, in case and this temperature surpasses a first threshold, this first judge module promptly transmits one first signal and gives this processor, and this this processor of first signal command comes down to a second frequency with this foreign frequency by a first frequency; And
One second judge module, after this processor downgrades this foreign frequency, this second judge module in order to the temperature of judging this processor whether less than one second threshold value, if for being, then this second judge module transmits a secondary signal and gives this processor, this this processor of secondary signal order is increased this foreign frequency and is this first frequency by this second frequency, wherein this second threshold value is lower than this first threshold;
Wherein this first frequency is that this processor is preset the foreign frequency of using when overclocking, and this second frequency is to be higher than this processor employed foreign frequency when overclocking not;
One the 3rd judge module, the 3rd judge module is controlled by this second judge module, if the judged result of this second judge module is for denying, then the 3rd judge module in order to the temperature of judging this processor whether greater than one the 3rd threshold value, if the judged result of the 3rd judge module is for being, then the 3rd judge module transmits one the 3rd signal and gives this processor, this processor of the 3rd signal command comes down to a second value with this frequency multiplication amount by one first numerical value, and wherein the 3rd threshold value is higher than this first threshold; And
One the 4th judge module, after this processor downgrades this frequency multiplication amount, the 4th judge module in order to the temperature of judging this processor whether less than one the 4th threshold value, if for being, then the 4th judge module transmits one the 4th signal and gives this processor, this processor of the 4th signal command is downgraded this frequency multiplication amount and is upgraded to this first numerical value by this second value, wherein the 4th threshold value is higher than this first threshold and is lower than the 3rd threshold value;
Wherein this first numerical value is that this processor is preset the frequency multiplication amount of using when overclocking, and this second value is higher than this processor employed frequency multiplication amount when overclocking not.
Adopt device and method of the present invention, temperature according to a processor, dynamically adjust foreign frequency, the frequency multiplication amount of this processor and the voltage that offers this processor, therefore, the processor that can avoid this overclocking shuts down or enters hot monitoring mode because of overheated, to solve the problems of excessive heat of the processor of overclocking in the prior art.
Describe the present invention below in conjunction with the drawings and specific embodiments, but not as a limitation of the invention.
Description of drawings
Fig. 1 is the graph of a relation according to each temperature threshold of the present invention.
Fig. 2 is the process flow diagram according to the prevention method of first preferred embodiment of the present invention.
Fig. 3 is the process flow diagram according to the prevention method of second preferred embodiment of the present invention.
Wherein, Reference numeral:
T1: first threshold T2: second threshold value
T3: the 3rd threshold value T4: the 4th threshold value
T5: the 5th threshold value
S201 ~ S204: process step S301 ~ S310: process step
Embodiment
The invention reside in provides a kind of at the device and method that is meeting lifting processor efficiency under the temperature requirement.The purpose of overclocking is to improve the usefulness of processor.Yet under the situation of overclocking, the temperature of processor more is not high during overclocking.Generally speaking, in case the temperature of processor is higher than certain preset threshold value, processor will be shut down automatically or be entered hot monitoring mode, causes the usefulness of processor significantly to reduce on the contrary, even the usefulness during than overclocking not is also poor.
Device and method according to the present invention is the temperature according to a processor, dynamically adjusts foreign frequency, the frequency multiplication amount of this processor and the voltage that offers this processor, shuts down or enters hot monitoring mode because of overheated with this processor of avoiding this overclocking.
Generally speaking, the user can be according to the characteristic of this processor, sets up the overclocking amount on their own and judges the limiting threshold value that this processor is whether overheated.The overclocking amount that sets according to the user can be learnt foreign frequency and frequency multiplication amount when the overclocking in advance according to device and method of the present invention.On the other hand; in case the temperature of this processor surpasses this limiting threshold value; reason is not overheated damages for the protection processor; this processor may be changeed intrinsic protection mechanism (for example reducing foreign frequency or shutdown rapidly) management by this processor according to device and method of the present invention, reason is overheated and damage to guarantee this processor yet
As shown in Figure 1, Fig. 1 is the graph of a relation according to each temperature threshold of the present invention.The transverse axis of Fig. 1 is the time.The processor that curve among the figure is then represented an overclocking possible temperature variation in running.This threshold value is from low to high in regular turn: the second threshold value T2, first threshold T1, the 4th threshold value T4, the 3rd threshold value T3, the 5th threshold value T5.According to the present invention, in case the temperature of a processor surpasses the 3rd threshold value T3, this processor promptly enters the second hot monitoring mode; In case the temperature of this processor surpasses the 5th threshold value T5 (being the limiting threshold value that the user presets), this processor then enters the first hot monitoring mode.The 3rd threshold value T3 is normally relevant with the built-in setting of processor, and T1, T2, T4 then can be set up on their own by the user.
As shown in Figure 2, Fig. 2 is the process flow diagram according to the prevention method of first preferred embodiment of the present invention.This prevention method can be detected the temperature of a processor constantly.Step S201 is for judging whether this temperature surpasses first threshold T1.If the judged result of step S201 is not, then repeated execution of steps S201.If the judged result of step S201 is for being, execution in step S202 then comes down to a second frequency with the foreign frequency of this processor by a first frequency.This first frequency is that this processor is preset the foreign frequency of using when overclocking, and this second frequency is for being higher than this processor employed foreign frequency when the overclocking not; Second frequency is less than first frequency.The purpose of step S202 is to reduce the overclocking amount of this processor.In theory, after the overclocking amount was downgraded, the running speed of processor can be slowed down thereupon.Therefore, the temperature of this processor should be able to reduce.Step S203 is after step S202 is finished, and judges whether the temperature of this processor has been reduced to less than the second threshold value T2.If the judged result of step S203 represents that for being the temperature of this processor is no longer too high, then execution in step S204 improves back this first frequency with this foreign frequency by this second frequency, recovers predetermined overclocking amount.If the judged result of step S203 is not, then repeated execution of steps S203.
The first above-mentioned preferred embodiment is dynamically to adjust the foreign frequency of this processor, and the temperature with this processor remains under the second threshold value T2 as far as possible, avoids this processor to enter the first or second hot monitoring mode with this.
As shown in Figure 3, Fig. 3 is the process flow diagram according to the prevention method of second preferred embodiment of the present invention.This embodiment is the extension of above-mentioned first preferred embodiment.Step S301 is identical to step S204 with step S201 among Fig. 2 to step S304.Unique difference is, if if the judged result of step S303 for not, this method execution in step S305, whether the temperature of judging this processor greater than the 3rd threshold value T3.If the judged result of step S305 is not, then repeated execution of steps S303.If the judged result of step S305 is for being to represent that this processor has entered the second hot monitoring mode.In the second hot monitoring mode, the frequency multiplication amount is adjustable (adjustable).Prevention method according to the present invention is followed execution in step S306, and the frequency multiplication amount of this processor is come down to a second value by one first numerical value.This first numerical value is that this processor is preset the frequency multiplication amount of using when overclocking, and this second value is to be higher than this processor employed frequency multiplication amount when overclocking not; Second value is less than first numerical value.The purpose of step S306 is also for reducing the overclocking amount of this processor.In theory, after the overclocking amount was downgraded, the running speed of processor can be slowed down thereupon.Therefore, the temperature of this processor should be able to reduce.Step S307 is whether the temperature of judging this processor has been reduced to less than the 4th threshold value T4.If the judged result of step S307 is for being that this prevention method is execution in step S308 and step S305 then.Step S308 is adjusted into this first numerical value with this frequency multiplication amount by this second value, recovers default overclocking amount.If the judged result of step S307 is that this method is not execution in step S309, whether the temperature of judging this processor is greater than the 5th threshold value T5.If the judged result of step S309 is not for, execution in step S307 once more then.If the judged result of step S309 is for being, expression the method according to this invention can't effectively reduce the temperature of this processor; This prevention method promptly finishes in step S310, changes to manage this processor by the intrinsic protection mechanism (for example reducing foreign frequency or shutdown rapidly) of this processor, and reason is overheated and damage to guarantee this processor.
In actual applications, after this processor entered the first hot monitoring mode, the foreign frequency of this processor usually can be downgraded was lower than this processor employed foreign frequency when overclocking not, and therefore, the usefulness of this processor can significantly reduce.In case this processor enters the first hot monitoring mode, the user is the foreign frequency and the frequency multiplication amount of uncontrollable this processor also.Comparatively speaking, when this processor entered the second hot monitoring mode, the user still can control the overclocking amount by adjusting the frequency multiplication amount.The second above-mentioned preferred embodiment is dynamically to adjust the foreign frequency and the frequency multiplication amount of this processor, and the temperature with this processor remains under the 3rd threshold value T3 as far as possible, avoids this processor to enter the first hot monitoring mode with this.
The 3rd preferred embodiment according to the present invention is a prevent mean corresponding to the flow process of Fig. 1.This device comprises one first judge module and one second judge module.This first judge module is in order to detect the temperature of this processor.In case this temperature surpasses first threshold T1, this first judge module promptly transmits one first signal and gives this processor; This this processor of first signal command comes down to second frequency with this foreign frequency by first frequency.After this processor downgraded this foreign frequency, whether this second judge module had been reduced to less than the second threshold value T2 in order to the temperature of judging this processor, if for being, then this second judge module transmits a secondary signal and gives this processor; This this processor of secondary signal order is increased this foreign frequency and is this first frequency by this second frequency.
The 4th preferred embodiment according to the present invention is a prevent mean corresponding to the flow process of Fig. 2.This device also further comprises one the 3rd judge module and one the 4th judge module except one first judge module and one second judge module.The 3rd judge module is controlled by this second judge module, if the judged result of this second judge module is for denying, then the 3rd judge module in order to the temperature of judging this processor whether greater than the 3rd threshold value T3, if the judged result of the 3rd judge module is for being, then the 3rd judge module transmits one the 3rd signal and gives this processor; This processor of the 3rd signal command comes down to second value with this frequency multiplication amount by first numerical value.After this processor downgrades this frequency multiplication amount, the 4th judge module in order to the temperature of judging this processor whether less than the 4th threshold value T4, if for being, then the 4th judge module transmits one the 4th signal and gives this processor, this processor of the 4th signal command is downgraded this frequency multiplication amount and is upgraded to this first numerical value by this second value, recover default overclocking amount.
Above-mentioned the 4th preferred embodiment also can further comprise one the 5th judge module.The 5th judge module is controlled by the 4th judge module, if the judged result of the 4th judge module is for denying, then the 5th judge module in order to the temperature of judging this processor whether greater than the 5th threshold value T5 (being the limiting threshold value that the user presets), if the judged result of the 5th judge module is for being, the temperature of this processor can't have effectively been controlled in expression according to prevent mean of the present invention.Damage for protecting this processor reason being not overheated, the 5th judge module promptly transmits one the 5th signal and gives this processor, orders this processor to enter the first hot monitoring mode.
In actual applications, also can adjust the voltage that offers this processor according to device and method of the present invention.When voltage was higher, the degree of stability of the processor of overclocking was preferable, and temperature also can be higher.Therefore, in the above-mentioned the 3rd or the 4th preferred embodiment, the magnitude of voltage that this first signal also can order this processor will offer this processor simultaneously comes down to one second voltage by one first voltage, reduces the temperature of processor with this.If the judged result of this second judge module is for being, then this secondary signal this magnitude of voltage that also can order this processor will offer this processor simultaneously reverts to this first voltage by this second voltage.
As mentioned above, device and method according to the present invention is according to the temperature of a processor, dynamically adjust foreign frequency, the frequency multiplication amount of this processor and the voltage that offers this processor, therefore, the processor that can avoid this overclocking shuts down or enters hot monitoring mode because of overheated, to solve the problems of excessive heat of the processor of overclocking in the prior art.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection domain in the appended claim of the present invention.
Claims (14)
1. one kind is meeting the method that promotes processor efficiency under the temperature requirement, and an internal frequency of this processor is the product of a foreign frequency and a frequency multiplication amount, it is characterized in that, this method comprises the following step:
(a) detect the temperature of this processor, in case and this temperature surpass a first threshold, this foreign frequency is come down to a second frequency by a first frequency; And
(b) after step (a) is finished, whether the temperature of judging this processor less than one second threshold value, if for being, this foreign frequency is increased by this second frequency being this first frequency, and wherein this second threshold value is lower than this first threshold;
Wherein this first frequency is that this processor is preset the foreign frequency of using when overclocking, and this second frequency is to be higher than this processor employed foreign frequency when overclocking not;
(c) if the judged result of step (b) is not, whether the temperature of then judging this processor is greater than one the 3rd threshold value, if the judged result of step (c) then comes down to a second value with this frequency multiplication amount by one first numerical value for being, wherein the 3rd threshold value is higher than this first threshold; And
(d) after step (c) is finished, whether the temperature of judging this processor less than one the 4th threshold value, if for being, then this frequency multiplication amount being increased by this second value and is this first numerical value, and wherein the 4th threshold value is higher than this first threshold and is lower than the 3rd threshold value;
Wherein this first numerical value is that this processor is preset the frequency multiplication amount of using when overclocking, and this second value height is in this processor employed frequency multiplication amount during in overclocking not.
2. method according to claim 1 is characterized in that, in case the temperature of this processor is higher than the 3rd threshold value, this processor promptly enters one second hot monitoring mode, and in this second hot monitoring mode, this frequency multiplication amount is adjustable.
3. method according to claim 1 is characterized in that, this method further comprises the following step:
(e) if the judged result of step (c) for not, repeated execution of steps (b) then.
4. method according to claim 1 is characterized in that, this method further comprises the following step:
(f) if the judged result of step (d) for not, whether the temperature of then judging this processor greater than one the 5th threshold value, if the judged result of step (f) for not, repeated execution of steps (d) then, wherein the 5th threshold value is higher than the 3rd threshold value.
5. method according to claim 4 is characterized in that, in case the temperature of this processor is higher than the 5th threshold value, this processor promptly enters one first hot monitoring mode, and in this first hot monitoring mode, this foreign frequency is adjustable.
6. method according to claim 5 is characterized in that, in this first hot monitoring mode, this foreign frequency is adjusted to one the 3rd frequency, and wherein the 3rd frequency is lower than this processor employed foreign frequency when overclocking not.
7. method according to claim 1, it is characterized in that, in step (a), in case this temperature surpasses this first threshold, the magnitude of voltage that step (a) also will offer this processor comes down to one second voltage by one first voltage, wherein this first voltage is that this processor is preset the voltage that uses when overclocking, and this second voltage is higher than this processor employed voltage when overclocking not.
8. method according to claim 7 is characterized in that, if the judged result of step (b) is for being, this magnitude of voltage that step (b) also will offer this processor is increased by this second voltage and is this first voltage.
9. one kind is meeting the device that promotes processor efficiency under the temperature requirement, and an internal frequency of this processor is the product of a foreign frequency and a frequency multiplication amount, it is characterized in that, this device comprises:
One first judge module, this first judge module is in order to detect the temperature of this processor, in case and this temperature surpasses a first threshold, this first judge module promptly transmits one first signal and gives this processor, and this this processor of first signal command comes down to a second frequency with this foreign frequency by a first frequency; And
One second judge module, after this processor downgrades this foreign frequency, this second judge module in order to the temperature of judging this processor whether less than one second threshold value, if for being, then this second judge module transmits a secondary signal and gives this processor, this this processor of secondary signal order is increased this foreign frequency and is this first frequency by this second frequency, wherein this second threshold value is lower than this first threshold;
Wherein this first frequency is that this processor is preset the foreign frequency of using when overclocking, and this second frequency is to be higher than this processor employed foreign frequency when overclocking not;
One the 3rd judge module, the 3rd judge module is controlled by this second judge module, if the judged result of this second judge module is for denying, then the 3rd judge module in order to the temperature of judging this processor whether greater than one the 3rd threshold value, if the judged result of the 3rd judge module is for being, then the 3rd judge module transmits one the 3rd signal and gives this processor, this processor of the 3rd signal command comes down to a second value with this frequency multiplication amount by one first numerical value, and wherein the 3rd threshold value is higher than this first threshold; And
One the 4th judge module, after this processor downgrades this frequency multiplication amount, the 4th judge module in order to the temperature of judging this processor whether less than one the 4th threshold value, if for being, then the 4th judge module transmits one the 4th signal and gives this processor, this processor of the 4th signal command is downgraded this frequency multiplication amount and is upgraded to this first numerical value by this second value, wherein the 4th threshold value is higher than this first threshold and is lower than the 3rd threshold value;
Wherein this first numerical value is that this processor is preset the frequency multiplication amount of using when overclocking, and this second value is higher than this processor employed frequency multiplication amount when overclocking not.
10. device according to claim 9 is characterized in that, in case the temperature of this processor is higher than the 3rd threshold value, this processor promptly enters one second hot monitoring mode, and in this second hot monitoring mode, this frequency multiplication amount is adjustable.
11. device according to claim 9 is characterized in that, this device further comprises:
One the 5th judge module, the 5th judge module is controlled by the 4th judge module, if the judged result of the 4th judge module is for denying, then the 5th judge module in order to the temperature of judging this processor whether greater than one the 5th threshold value, if the judged result of the 5th judge module is for being, then the 5th judge module transmits one the 5th signal and gives this processor, and this processor of the 5th signal command enters one first hot monitoring mode, in this first hot monitoring mode, this foreign frequency is adjustable.
12. device according to claim 11 is characterized in that, in this first hot monitoring mode, this foreign frequency is adjusted to one the 3rd frequency, and wherein the 3rd frequency is lower than this processor employed foreign frequency when overclocking not.
13. device according to claim 9, it is characterized in that, the magnitude of voltage that this first signal also orders this processor will offer this processor comes down to one second voltage by one first voltage, wherein this first voltage is that this processor is preset the voltage that uses when overclocking, and this second voltage is higher than this processor employed voltage when overclocking not.
14. device according to claim 13 is characterized in that, this magnitude of voltage that this secondary signal also orders this processor will offer this processor is increased by this second voltage and is this first voltage.
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| TWI486763B (en) * | 2011-07-18 | 2015-06-01 | Wistron Corp | Thermal protection method for computer system and device thereof |
| CN102609062A (en) * | 2012-02-10 | 2012-07-25 | 杭州再灵电子科技有限公司 | Temperature control method for tablet computer |
| CN103376859B (en) * | 2012-04-26 | 2016-12-14 | 华为技术有限公司 | The control method of chip performance and device |
| CN104317375A (en) * | 2014-11-12 | 2015-01-28 | 重庆蓝岸通讯技术有限公司 | Radiating method applied to mobile terminal without radiator hardware |
| CN107153592B (en) * | 2016-03-02 | 2020-06-23 | 神讯电脑(昆山)有限公司 | Electronic device and power management method thereof |
| CN108139960B (en) * | 2016-04-18 | 2020-07-07 | 华为技术有限公司 | Frequency modulation method, frequency modulation device and processing equipment of Central Processing Unit (CPU) |
| TWI772730B (en) * | 2019-12-31 | 2022-08-01 | 技嘉科技股份有限公司 | Graphics processing system and performance adjustment method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5490059A (en) * | 1994-09-02 | 1996-02-06 | Advanced Micro Devices, Inc. | Heuristic clock speed optimizing mechanism and computer system employing the same |
| JP2000187523A (en) * | 1998-12-21 | 2000-07-04 | Funai Electric Co Ltd | Variable clock circuit |
| CN2577326Y (en) * | 2002-08-26 | 2003-10-01 | 蓝天电脑股份有限公司 | Notebook type computer with temperature-regulating function |
| CN1159635C (en) * | 2000-12-18 | 2004-07-28 | 联想(北京)有限公司 | Method for reducing and controlling CPU-junction temp. |
| CN1163811C (en) * | 2000-12-18 | 2004-08-25 | 联想(北京)有限公司 | Method for controlling internal temp. of main frame |
| CN1622046A (en) * | 2003-11-24 | 2005-06-01 | 顺德市顺达电脑厂有限公司 | Method of heat radiation for CPU in computer system |
-
2005
- 2005-09-22 CN CNB2005101051393A patent/CN100394397C/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5490059A (en) * | 1994-09-02 | 1996-02-06 | Advanced Micro Devices, Inc. | Heuristic clock speed optimizing mechanism and computer system employing the same |
| JP2000187523A (en) * | 1998-12-21 | 2000-07-04 | Funai Electric Co Ltd | Variable clock circuit |
| CN1159635C (en) * | 2000-12-18 | 2004-07-28 | 联想(北京)有限公司 | Method for reducing and controlling CPU-junction temp. |
| CN1163811C (en) * | 2000-12-18 | 2004-08-25 | 联想(北京)有限公司 | Method for controlling internal temp. of main frame |
| CN2577326Y (en) * | 2002-08-26 | 2003-10-01 | 蓝天电脑股份有限公司 | Notebook type computer with temperature-regulating function |
| CN1622046A (en) * | 2003-11-24 | 2005-06-01 | 顺德市顺达电脑厂有限公司 | Method of heat radiation for CPU in computer system |
Non-Patent Citations (2)
| Title |
|---|
| 超频与安全超频. 许雅玲.中国计算机用户，第12期. 1997 |
| 超频与安全超频. 许雅玲.中国计算机用户，第12期. 1997 * |
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