CN101976111A - Computer system and power management method - Google Patents
Computer system and power management method Download PDFInfo
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- CN101976111A CN101976111A CN 201010516796 CN201010516796A CN101976111A CN 101976111 A CN101976111 A CN 101976111A CN 201010516796 CN201010516796 CN 201010516796 CN 201010516796 A CN201010516796 A CN 201010516796A CN 101976111 A CN101976111 A CN 101976111A
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Abstract
The invention relates to a computer system and a power management method. The computer system comprises a first part and a second part, wherein the first part comprises an image processing unit, a storage space and a display while the second part comprises a memory for storing image data. When the computer system is in an image reading mode, the storage space stores the image data and the computer system controls the second to switch from a first power management mode to a second power management mode with less power consumption for operation. And the first part is maintained to operate in the first power management mode for the image processing unit to display the image through the display on the basis of the image data stored in the storage space.
Description
Technical field
The present invention is the technical field relevant for computer system, and particularly relevant for computer system and the method for managing power supply thereof that can in display image, save electric energy.
Background technology
Along with development of science and technology, present people have gradually adopted electrophoretic display device (EPD) (electrophoresis display, EPD), or at the portable computer system ocr software is installed and is come reading electronic book (E-book), the multiple different book contents that so not only is easy to carry is also removed the waste of paper from.
Yet when utilizing portable computer system to show the content of e-book, total system all still is to operate under the powder source management mode S0 of power consumption as usual operation, thereby can cause the loss on the electric energy.Described powder source management mode S0 is by advancing rank configuration and power interface (Advanced Configuration and Power Interface, ACPI) the defined power management standard of agreement, and under this powder source management mode S0, total system is to be in a normal operating conditions.
As shown in the above description, the user often, just is necessary for the portable computer system and charges after several hours at reading electronic book, thereby causes the inconvenience in the use.
Summary of the invention
Purpose of the present invention is to provide a kind of computer system exactly, and it can save electric energy in display image.
Another object of the present invention is to provide a kind of method for managing power supply exactly, and it is applicable to aforesaid computer system.
The present invention proposes a kind of computer system.This computer system definition has image read mode, first powder source management mode and second source management mode, and the power that is consumed when the power that is consumed when wherein operating on the second source management mode operates on first powder source management mode is for few.This computer system includes: first includes Graphics Processing Unit, access space and display; And second portion, include storer, and this memory storage there is view data.When this computer system is in image read mode, access space stores above-mentioned view data, and above-mentioned second portion can change into and operates in the second source management mode by operating in first powder source management mode, above-mentioned first then keeps and operates in first powder source management mode, so that Graphics Processing Unit is utilized the display display image according to being stored in the view data of access space.
The present invention also proposes a kind of method for managing power supply, and it is applicable to a computer system.Described computer system definition has image read mode, first powder source management mode and second source management mode.The power that is consumed when the power that is consumed when wherein operating on the second source management mode operates on first powder source management mode is for few.Described computer system includes first and second portion, and wherein first includes Graphics Processing Unit, access space and display again, and second portion includes storer again, and this memory storage has view data.Described method comprises the following steps: to carry out in response to computer system enters image read mode the unloading operation, in order to the view data unloading in the storer to access space; After finishing in response to unloading operation, second portion is changed into and operates in the second source management mode by operating in first powder source management mode, and first is kept operate in first powder source management mode; And make Graphics Processing Unit utilize the display display image according to being stored in the view data of access space.
The present invention solves the embodiment of foregoing problems, is computer system is divided into first and second portion.When wherein first is display image the member that must apply to, include Graphics Processing Unit and display, second portion then is the member that system all can apply to when general running, include storer, and this memory storage has view data.Under such basis, when computer system enters image read mode, just in the access space that can earlier the view data unloading in the storer to Graphics Processing Unit itself be had, and after the unloading operation is finished, just can make above-mentioned second portion change into and operate in the less second source management mode of consumed power by operating in first powder source management mode, and above-mentioned first is kept operate in first powder source management mode, so that Graphics Processing Unit is according to being stored in the view data of access space and utilizing the display display image.So, computer system just can be saved electric energy in display image.
For above and other objects of the present invention, feature and advantage can be become apparent, preferred embodiment cited below particularly, and cooperate appended graphicly, be described in detail below.
Description of drawings
Fig. 1 is the block schematic diagram according to the computer system of a preferred embodiment of the present invention.
Fig. 2 is the block schematic diagram according to the computer system of another preferred embodiment of the present invention.
Fig. 3 is the process flow diagram according to the method for managing power supply of a preferred embodiment of the present invention.
[main element label declaration]
100,200: computer system
110,210: first
112,212: Graphics Processing Unit
114,220: access space
116,214: display
118,216: control module
130,230: second portion
132,232: CPU (central processing unit)
134,234: chipset
135,235: north bridge chips
136,242: South Bridge chip
138,244: storer
140,246: view data
218,240: storage unit
236,238: the storage unit controller
S302～S306: step
Embodiment
Fig. 1 is the block schematic diagram according to the computer system of a preferred embodiment of the present invention.Please refer to Fig. 1, these computer system 100 definition have image read mode, first powder source management mode and second source management mode.This computer system 100 for example is a portable computer system, and the power that its power that is consumed when operating on the second source management mode is consumed when operating on first powder source management mode is for few.Described first powder source management mode can be considered a duty, it for example is powder source management mode S0 (being so-called S0 pattern), and described second source management mode can be considered a power down mode, and it for example is powder source management mode S3 (being so-called S3 pattern).In addition, be all into rank configuration and power interface (Advanced Configuration and Power Interface, ACPI) the defined power management standard of agreement in " powder source management mode " that reaches described herein.And explanation earlier is, when the mentioned computer system of each embodiment of the present invention is in " image read mode " defined herein, the member relevant with image display operations in these computer systems is to be in first powder source management mode (duty) so, and all the other incoherent members are to be in second source management mode (power down mode), its describe in detail as after.
Computer system 100 includes first 110 and second portion 130.When above-mentioned first 110 is display image the member that must apply to, it includes Graphics Processing Unit 112, display 116 and control module 118.Graphics Processing Unit 112 electrically connects display 116 and control module 118.In this example, Graphics Processing Unit 112 disposes (promptly having) access space 114, and this access space 114 is deposited the view data that desire shows.What deserves to be mentioned is that the power supply state of control module 118 is not to be subjected to powder source management mode and to change, and is the state (promptly continuing to be in first powder source management mode) of continued power.In one embodiment, control module 118 for example is: and embedded controller (Embedded Controller, EC).In addition, when computer system 100 entered image read mode, these members in the above-mentioned first 110 were continued power state (promptly continuing to be in first powder source management mode), thereby can continue running.On real the work, these members in the above-mentioned first 110 can be electrically connected to same voltage plane (power plane).In addition, above-mentioned first 110 also is responsible for display image under first powder source management mode.
Above-mentioned second portion 130 includes CPU (central processing unit) 132, chipset (Chipset) 134 and storer 138.In the present embodiment, chipset 134 is made up of north bridge chips 135 and South Bridge chip 136.And in other embodiments, chipset 134 also can be the one chip that has the function of north bridge chips and South Bridge chip simultaneously.And as shown in Figure 1, north bridge chips 135 electrically connects CPU (central processing unit) 132 and Graphics Processing Unit 112, and South Bridge chip 136 electrically connects north bridge chips 134, control module 118 and storer 138.In this example, storer 138 for example is: nonvolatile memory, and it disposes (promptly having) storage area, and with store images data 140, and described view data 140 for example is the view data of e-book or photo or the like.It is noted that the power supply state of above-mentioned second portion 130 is to change along with powder source management mode.Therefore, when computer system 100 entered image read mode, above-mentioned second portion 130 was to enter the second source management mode by first powder source management mode, just enters power down mode by duty.Because the first 110 of computer system 100 has different powder source management modes with second portion 130 under image read mode, so on real the work, the member in the above-mentioned first 110 can be received different voltage planes respectively with the member in the second portion 130.
What deserves to be mentioned is that the view data that above-mentioned access space 114 stored desires show can be to deposit in by the unloading operation, describe in detail as after.In general, the view data that desire shows can be to deposit in earlier in the storer 138, when computer system 100 is desired to enter image read mode so that when allowing the user can read these data, computer system 100 just can be prior under first powder source management mode, with 140 unloadings of the view data in the storer 138 to the access space 114 of Graphics Processing Unit 112.And after the unloading operation is finished, second portion 130 in the computer system 100 will change into and operate in the second source management mode by operating in first powder source management mode, first 110 then keeps and operates in first powder source management mode, so that Graphics Processing Unit 112 is utilized display 116 display images according to being stored in the view data of access space 114, read for the user.So, computer system 100 just can be saved electric energy in display image.In addition, though in the above description, computer system 100 just enters image read mode immediately after the unloading operation is finished, and right computer system of the present invention is not limited to this mode of operation.In fact, computer system of the present invention also can be carried out the unloading operation in advance under general user mode, and continues access space 114 power supplies, and person to be used selects to enter image read mode again in the time of need carrying out the reading of view data.
By above explanation as can be known, as follows about the power supply state of computer system 100 of the present invention: in one embodiment, whole computer system 100 is in first powder source management mode fully, and it for example is a duty.In another embodiment, whole computer system 100 is in the second source management mode fully, and it for example is a power down mode.In another embodiment, when computer system 100 entered image read mode, then the first 110 of this computer system 100 maintained first powder source management mode, and the second portion 130 of computer system 100 is in the second source management mode.
In addition, in computer system 100, control module 118 is in order to transmit control command to Graphics Processing Unit 112, so that 112 pairs of displays of Graphics Processing Unit, 116 shown images carry out respective operations.So-called respective operations comprises to be the shown image of scrolling display 116 or to replace the shown image of display 116.For instance, aforesaid control command may command Graphics Processing Unit 112 is replaced (promptly carrying out the function of one page down) with the next image of present image, or replaces (function of promptly carrying out page up) with a last image of present image.What deserves to be mentioned is that control module 118 can be by internal integrated circuit (Inter-Integrated Circuit, I
2C) serial communication bus (not illustrating), or (General Purpose Input/Output, GPIO) pin position (not illustrating) and electrically connect Graphics Processing Unit 112 is so that carry out the transmission of control command by at least one general input and output.
In addition, computer system 100 also can further be loaded with print driver (print driver) again, converts view data to so that utilize this print driver will desire typescripts, and wherein this printing step is to carry out under first powder source management mode.Thus, even if computer system 100 is not supported the read operation of the file of some form (format), utilizing print driver to this class file execution printing function, and make print driver convert the content of this class file to view data, and carry out after the unloading, the user still can utilize computer system 100 to carry out the reading of this class file.
Fig. 2 is the block schematic diagram according to the computer system of another preferred embodiment of the present invention.Please refer to Fig. 2, this computer system 200 also defines image read mode, first powder source management mode and second source management mode.This computer system 200 for example is a portable computer system, and the power that the power that consumed when operating on the second source management mode of this computer system 200 is consumed when operating on first powder source management mode is for few.About first powder source management mode, second source management mode, image read mode is same as the previously described embodiments, no longer repeats in this.
The difference of this computer system 200 and computer system 100 is computer system 200 except having the old storage unit of system 240, has also increased storage unit 218 newly.Described storage unit 218,240 for example is dynamic RAM (DRAM).And this storage unit 218 disposes the access space 220 of (promptly having) and will play the part of role as the access space in the computer system 100 114 (detailed aftermentioned).In addition, the chipset 234 that computer system 200 is adopted also has two storage unit controllers, and with difference control store unit 218 and 240, and these two storage unit controllers indicate with 236 and 238 respectively.
In this example, computer system 200 also is divided into two parts, when wherein first 210 is display image the member that must apply to, it includes first's (indicating) of Graphics Processing Unit 212, display 214, control module 216, storage unit 218 and chipset 234.The first of described chipset 234 has storage unit controller 236, and this storage unit controller 236 electrically connects storage unit 218.As described in a same embodiment, when computer system 200 entered image read mode, these members in the above-mentioned first 210 were the continued power state, thereby can continue running.On real the work, these members in the above-mentioned first 210 can be electrically connected to same voltage plane.In addition, the second portion 230 of computer system 200 includes second portion (not indicating), the storage unit 240 and storer 244 of CPU (central processing unit) 232, chipset 234.The second portion of described chipset 234 has storage unit controller 238, and this storage unit controller 238 electrically connects storage unit 240.In the present embodiment, chipset 234 is made up of north bridge chips 235 and South Bridge chip 242, and above-mentioned storage unit controller 236 and 238 all is arranged in the north bridge chips 235.And in other embodiments, chipset 234 also can be the one chip that has the function of north bridge chips and South Bridge chip simultaneously.As the described mode of operation of a same embodiment, when computer system 200 enters image read mode, the second portion 230 of computer system 200 enters the second source management mode by first powder source management mode, just enters power down mode by duty.Because the first 210 of computer system 200 has different powder source management modes with second portion 230 under image read mode, so on real the work, the member in the first 210 of computer system 200 can be received different voltage planes respectively with the member in the second portion 230.Electrical connection about these members has represented in Fig. 2, just repeats no more at this.In addition, above-mentioned storer 244 for example is: nonvolatile memory, and it also disposes (promptly having) storage area, and with store images data 246, and described view data 246 for example is the view data of e-book or photo or the like.
What deserves to be mentioned is that the view data that above-mentioned access space 220 stored desires show can also be to deposit in by the unloading operation, describe in detail as after.In general, the view data that desire shows can be to deposit in earlier in the storer 244, when computer system 200 is desired to enter image read mode so that when allowing the user can read these data, computer system 200 just can be prior under first powder source management mode, with 246 unloadings of the view data in the storer 244 to the access space 220 of newly-increased storage unit 218.And after the unloading operation is finished, the second portion 230 of computer system 200 just can change into and operates in the second source management mode by operating in first powder source management mode, the first 210 of computer system 200 then keeps and operates in first powder source management mode, so that Graphics Processing Unit 212 is utilized display 214 display images according to being stored in the view data of access space 220.So, computer system 200 just also can be saved electric energy in display image.
In addition, in computer system 200, control module 216 is also in order to transmit control command to Graphics Processing Unit 212, so that 212 pairs of displays of Graphics Processing Unit, 214 shown images carry out respective operations.So-called respective operations also comprises to be the shown image of scrolling display 214 or to replace the shown image of display 214, just like cited in the aforementioned embodiment operation.In addition, control module 216 can also be by internal integrated circuit (Inter-Integrated Circuit, I
2C) serial communication bus (not illustrating), or (General Purpose Input/Output, GPIO) pin position (not illustrating) and electrically connect Graphics Processing Unit 212 is so that carry out the transmission of control command by at least one general input and output.And computer system 200 also can further be loaded with print driver (print driver) again, converts view data to so that utilize this print driver will desire typescripts, just like the described operation of previous embodiment.
By above explanation as can be known, as follows about the power supply state of computer system 200 of the present invention: in one embodiment, whole computer system 200 is in first powder source management mode fully, and it for example is a duty.In another embodiment, whole computer system 200 is in the second source management mode fully, and it for example is a power down mode.In another embodiment, when computer system 200 entered image read mode, then the first 210 of this computer system 200 maintained first powder source management mode, and the second portion 230 of computer system 200 is in the second source management mode.
By the teaching of the various embodiments described above, can summarize basic operational steps more of the present invention, one as shown in Figure 3.Fig. 3 is the process flow diagram according to the method for managing power supply of a preferred embodiment of the present invention.This method for managing power supply is applicable to a computer system.Described computer system definition has image read mode, first powder source management mode and second source management mode, and the power that is consumed when the power that is consumed when wherein operating on the second source management mode operates on first powder source management mode is for few.About first powder source management mode, second source management mode, image read mode is same as the previously described embodiments, no longer repeats in this.In addition, described computer system includes first and second portion, and first includes Graphics Processing Unit, access space and display again, and second portion includes storer, and this memory storage has view data.The method includes the following step: carry out unloading operation in response to computer system enters image read mode, in order to the view data unloading in the storer (shown in step S302) to access space; After finishing in response to unloading operation, second portion is changed into and operates in the second source management mode by operating in first powder source management mode, and first is kept operate in first powder source management mode (shown in step S304); And make Graphics Processing Unit utilize display display image (shown in step S306) according to being stored in the view data of access space.
In sum, the present invention solves a wherein embodiment of foregoing problems, is that computer system is divided into first and second portion.When wherein first is display image the member that must apply to, include Graphics Processing Unit and display, and second portion includes CPU (central processing unit), chipset and storer, and this memory storage has view data.Under such basis, when computer system enters image read mode, just in the access space that can earlier the view data unloading in the storer to Graphics Processing Unit itself be had.And after the unloading operation is finished, just can make with the irrelevant second portion of image display operations and change into and operate in the less second source management mode of consumed power by operating in first powder source management mode, and the first relevant with image display operations kept operate in first powder source management mode, so that Graphics Processing Unit is according to being stored in the view data of access space and utilizing the display display image.So, computer system just can be saved electric energy in display image.
The present invention solves another embodiment of foregoing problems, is to increase a storage unit earlier newly in computer system, and changes the chipset that employing has two storage unit controllers.Then, computer system is divided into first and second portion.When wherein first is display image the member that must apply to, include Graphics Processing Unit, display, newly-increased storage unit and the first of chipset.The first of described chipset includes a wherein storage unit controller, and this storage unit controller electrically connects aforesaid newly-increased storage unit.And second portion includes CPU (central processing unit), stores the old storage unit of storer, the system of view data and the second portion of chipset.The second portion of described chipset includes another storage unit controller, and this another storage unit controller electrically connects aforesaid old storage unit.Under such basis, when computer system enters image read mode, just in the access space that can earlier the view data unloading in the storer to newly-increased storage unit be had.And after the unloading operation is finished, just can make in the computer system with the irrelevant second portion of image display operations and change into and operate in the less second source management mode of consumed power by operating in first powder source management mode, and first relevant with image display operations in the computer system is kept operate in first powder source management mode, so that Graphics Processing Unit is according to being stored in the view data of access space and utilizing the display display image.So, computer system just can be saved electric energy in display image.
Though the present invention discloses as above with preferred embodiment; right its is not in order to limit the present invention; any those skilled in the art; without departing from the spirit and scope of the present invention; when can doing a little change and retouching, so protection scope of the present invention is as the criterion when looking appended the claim scope person of defining.
Claims (17)
1. computer system, its definition has an image read mode, one first powder source management mode and a second source management mode, the power that the power that is consumed when wherein operating on this second source management mode is consumed when operating on this first powder source management mode is for few, and this computer system comprises:
One first includes a Graphics Processing Unit, an access space and a display; And
One second portion includes a storer, and this memory storage has a view data;
Wherein, when this computer system is in this image read mode, this access space stores this view data, and this second portion changes into and operates in this second source management mode by operating in this first powder source management mode, and this first keeps and operates in this first powder source management mode, so that this Graphics Processing Unit is according to being stored in this view data of this access space and utilizing this display to show an image.
2. computer system according to claim 1, wherein this access space comprises it being to be configured in this Graphics Processing Unit.
3. computer system according to claim 1, wherein this first also comprises:
One first storage unit electrically connects this Graphics Processing Unit, and wherein this access space promptly is to be configured in this first storage unit; And
One first of one chipset, this first of this chipset has one first storage unit controller, and this first storage unit controller electrically connects this first storage unit.
4. computer system according to claim 3, wherein this second portion also comprises:
One CPU (central processing unit);
One second storage unit; And
One second portion of one chipset, electrically connect this CPU (central processing unit), this Graphics Processing Unit and this storer, and this second portion of this chipset also has one second storage unit controller, and this second storage unit controller electrically connects this second storage unit.
5. computer system according to claim 1, wherein those members in this first are electrically connected to different voltage planes respectively with those members in this second portion.
6. computer system according to claim 1, this view data that wherein this access space had, comprise it being that this second portion carries out unloading operation in response to this computer system enters this image read mode, thus with this view data unloading in this storer to this access space and get.
7. computer system according to claim 1, wherein this first also comprises:
One control module electrically connects this Graphics Processing Unit, and in order to transmit a control command to this Graphics Processing Unit, so that this Graphics Processing Unit is carried out a corresponding operation to this shown image of this display.
8. computer system according to claim 7, wherein this respective operations comprises and is this image of scrolling or replaces this image.
9. computer system according to claim 7, wherein this control module comprises it being by an internal integrated circuit serial communication bus, or electrically connects this Graphics Processing Unit by at least one general input and output pin position.
10. computer system according to claim 7, wherein this control module comprises it being an embedded controller.
11. computer system according to claim 1, wherein this chipset is made up of a north bridge chips and a South Bridge chip or this chipset is an one chip that has the function of this north bridge chips and this South Bridge chip simultaneously.
12. computer system according to claim 1, wherein this view data comprises it being the view data of e-book or photo.
13. computer system according to claim 1, wherein this computer system also is loaded with one and prints driver, and this print driver becomes this view data in order to the file conversion that desire is printed.
14. method for managing power supply, be applicable to a computer system, this computer system definition has an image read mode, one first powder source management mode and a second source management mode, the power that the power that is consumed when wherein operating on this second source management mode is consumed when operating on this first powder source management mode is for few, this computer system includes a first and a second portion, this first includes a Graphics Processing Unit again, one access space and a display, and this second portion includes a storer, this memory storage has a view data, and this method comprises the following steps:
Carry out unloading operation in response to this computer system enters this image read mode, in order to this view data unloading in this storer to this access space;
After finishing in response to this unloading operation, this second portion is changed into and operates in this second source management mode by operating in this first powder source management mode, and this first is kept operate in this first powder source management mode; And
Make this Graphics Processing Unit utilize this display to show an image according to being stored in this view data of this access space.
15. method for managing power supply according to claim 14, wherein this access space comprises it being to be configured in this Graphics Processing Unit.
16. method for managing power supply according to claim 14, wherein this first also comprises:
One first storage unit electrically connects this Graphics Processing Unit, and wherein this access space promptly is to be configured in this first storage unit; And
One first of one chipset, this first of this chipset has one first storage unit controller, and this first storage unit controller electrically connects this first storage unit.
17. method for managing power supply according to claim 16, wherein this second portion also comprises:
One CPU (central processing unit);
One second storage unit; And
One second portion of one chipset, electrically connect this CPU (central processing unit), this Graphics Processing Unit and this storer, and this second portion of this chipset also has one second storage unit controller, and this second storage unit controller electrically connects this second storage unit.
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| US35376810P | 2010-06-11 | 2010-06-11 | |
| US61/353,768 | 2010-06-11 |
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| CN1530953A (en) * | 2003-03-11 | 2004-09-22 | 北京华旗资讯数码科技有限公司 | Video player |
| CN2697720Y (en) * | 2003-08-29 | 2005-05-04 | 孙亮 | Portable information terminal capable of being used as energy-saving type electronic book |
| JP2006058568A (en) * | 2004-08-19 | 2006-03-02 | Bridgestone Corp | Digital book display device |
| TW201019311A (en) * | 2008-11-07 | 2010-05-16 | Fih Hong Kong Ltd | Display device and method for using the same |
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- 2010-10-20 CN CN 201010516796 patent/CN101976111B/en active Active
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| CN1530953A (en) * | 2003-03-11 | 2004-09-22 | 北京华旗资讯数码科技有限公司 | Video player |
| CN2697720Y (en) * | 2003-08-29 | 2005-05-04 | 孙亮 | Portable information terminal capable of being used as energy-saving type electronic book |
| JP2006058568A (en) * | 2004-08-19 | 2006-03-02 | Bridgestone Corp | Digital book display device |
| TW201019311A (en) * | 2008-11-07 | 2010-05-16 | Fih Hong Kong Ltd | Display device and method for using the same |
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| TWI436200B (en) | 2014-05-01 |
| CN101976111B (en) | 2013-02-13 |
| TW201145009A (en) | 2011-12-16 |
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| C06 | Publication | ||
| PB01 | Publication | ||
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