CN1196512A - Electric-saving computer system - Google Patents
Electric-saving computer system Download PDFInfo
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- CN1196512A CN1196512A CN 97103785 CN97103785A CN1196512A CN 1196512 A CN1196512 A CN 1196512A CN 97103785 CN97103785 CN 97103785 CN 97103785 A CN97103785 A CN 97103785A CN 1196512 A CN1196512 A CN 1196512A
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Abstract
A computer system saving electric power is composed of power supply, the first switch, two electric power transmission units system bus, CPU, memory, peripheral connector and electric saver connected with power supply. The peripheral devices using the second power supply work in the first or the second mode under the control of control signal. When they work in the first mode, the first power supply is cut off. When they work in the second mode, the first power supply is turned on by electric power transmission unit under the control of electric saver.
Description
The present invention is relevant for a kind of electric-saving computer system; Be meant a kind ofly when peripheral device is operated especially, save the computer system of system's power drain, or when system operation, save the computer system of peripheral device power drain.
With the portable computer system is example, the electric weight that is limited in battery storage that portable computer uses is limited, make be restricted the service time of portable computer, thereby require computer system to have electricity-saving function, so that portable computer system is able to long-time running.How present computer system has designed the function of power saving, and its design concept is described in down.
Known computer system is by a power-saving control device for reaching the power saving purpose.When computer system operated, power-saving control device promptly carried out the monitoring to system activity, and for example, whether or the busy situation of CPU (central processing unit) data transmission on the system bus.For example, the transmission of PC system bus can judge whether occupied according to the accurate position of signals such as IRDY, TRDY, FRAME, STOP on the pci system bus; And as using the data handling system of form (WIN95) operating system, the judgement whether CPU (central processing unit) has much to do can be judged by the accurate position of stopclk# signal.
Find that according to testing process CPU (central processing unit) idle (IDLE) is crossed for a long time or system bus does not have data to transmit thereon above Preset Time at power-saving control device, power-saving control device judges that promptly this computer system is in idle state, and control this computer system with all power-offs, only stay the power supply of power-saving control device, and enter battery saving mode.
When particular event takes place, for example: keyboard has data input or modem to have phone to come in, initiating system interrupt call (System Management Interrupt immediately, SMI) to this power-saving control device, this power-saving control device is in response to the supply that this interrupt call recovers power supply immediately, and (wake up) system that wakes up enters duty.This is the method that tradition is saved power supply.
The known computer electricity saving method of this kind has reached the power saving purpose really under given conditions, yet, in some cases, but there is following shortcoming.And one of them promptly is all-or-nothing performance constraint.
When computer system is used traditional power saving mode.System carries out electricity-saving function control according to the activity of system bus or the activity of CPU (central processing unit), makes the power-off or the unlatching of system.But, because that the situation of CPU (central processing unit) power consumption accounts for the ratio that general supply consumes is considerable, but a lot of actions are arranged in the computer system, can be by suitable control, in peripheral level, and make CPU (central processing unit) to get involved performance constraint.But in the known techniques, when computer system is only carried out the action of peripheral level, will make that CPU (central processing unit) continues to open, consume and cause meaningless power supply; And when known techniques for the power supply control system power-off saving CPU (central processing unit) and consume when entering power down mode, though can power saving, make the action of peripheral level can't carry out because of losing power supply.
The object of the present invention is to provide a kind of electric-saving computer system with a plurality of power supplys.
Another object of the present invention is to provide a kind of when making computer system be in local work, control the electric-saving computer system that the power supply of other parts uses.
A further object of the present invention is to provide a kind of control method of computer system, so that performance constraint is in the specific region.
For achieving the above object, the present invention takes following measure:
Computer system of the present invention comprises:
One power supply device in order to power supply to computer system;
One first switchgear is electrically connected to power supply device;
One first power delivery device is electrically connected to first switchgear, uses with specific device in the supply computer system so that first power supply to be provided;
One second source transmitting device is electrically connected on power supply device, so that second source to be provided;
One system bus is used for data transmission;
One CPU (central processing unit) is electrically connected on system bus, uses for deal with data and controlling computer System Operation;
One system memory device is electrically connected on system bus, uses for storage data;
One peripheral coupling arrangement is electrically connected on system bus, uses for peripheral device and is connected to computer system;
One power-saving control device is electrically connected on system bus;
Wherein, described power-saving control device is electrically connected on described power supply device, and the employed power supply of peripheral device is provided by described second source;
Peripheral device works in first mode of operation in response in the control of one first control signal; Peripheral device works in second mode of operation in response in the control of second control signal; When peripheral device works in first mode of operation, need not cooperate by specific device;
In response in first control signal, power-saving control device is controlled described first switchgear with stop supplies first power supply; In response in second control signal, power-saving control device is controlled first switchgear, to control the first power delivery device provisioning, first power supply;
One interface control device is controlled peripheral device and is carried out data transmission by one of one first transmission path and one second transmission path in response in the control signal of the described peripheral device work of control;
By this, when computer system is worked in peripheral device in first mode of operation, save power supply and consume.
Description of drawings:
Fig. 1 is the calcspar of electric-saving computer system of the present invention system.
Fig. 2 is the power supply supply wiring schematic diagram of electric-saving computer system of the present invention.
Fig. 3 is the system power supply supply synoptic diagram of electric-saving computer system of the present invention.
Fig. 4 is for including the interface control device calcspar of control transmission path function among the present invention.
Fig. 5, Fig. 6, Fig. 7 are electric-saving computer system state of a control synoptic diagram of the present invention.
Reaching by reference to the accompanying drawings embodiment is described as follows system and method for the present invention:
Electric-saving computer system of the present invention comprises: a power supply device in order to supply suitable power supply to computer is System; One first switching device is electrically connected to power supply device; One first power transmission device is electrically connected to this First switching device, wherein, first switching device is to control first power transmission device from this power supply supply The device input power is to provide the use of one first power supply with specific device in the supply computer system; One second source Transmitting device is electrically connected on this power supply device, so that a second source to be provided; One system bus, use for Transfer of data; One CPU is electrically connected on this system bus, uses for deal with data and control computer System acting; One system memory device is electrically connected on this system bus, uses for the letter deposit data; One periphery connects Connection device is electrically connected on system bus, uses for a peripheral device and is connected to computer system; One power-saving control dress Put, be electrically connected on system bus; Wherein, this power-saving control device is electrically connected on this power supply device, and is somebody's turn to do The employed power supply of peripheral device is provided by this second source; This peripheral device is in response in one second control signal Control works in one second mode of operation; When this peripheral device works in this first mode of operation, need not be specific The cooperation of device; In response in first control signal, power-saving control device is controlled the first switching device stop supplies should First power supply; In response in second control signal, this power-saving control device is controlled the first switching device device, with control Make first power transmission device and supply first power supply; One Interface Control device is in response to working in this peripheral device of control Control signal, control peripheral device carry out data by one of one first transmission path and one second transmission path Transmission is controlled this peripheral device and is carried out transfer of data by one of one first transmission path and one second transmission path; By this, when computer system is worked in peripheral device in first mode of operation, save the consumption of power supply.
As shown in Figure 2, electric-saving computer system of the present invention, wherein, power supply device 182 is in order to outside inciting somebody to action Boundary's power supply transfer is to computer system, and suitably changes to provide computer system by power supply change-over device 180 The voltage that is suitable for. For example convert employed 110 volt AC power in present Taiwan to suitable direct current The power supply unit of power supply, or direct current, DC-DC circuit etc. are turned in interchange in the notebook computer, to provide Each element is fit to the voltage of use in the computer system.
According to electric-saving computer system of the present invention, have system bus and connect each main element, for control signal Transmit thereon with data, such as service system bus (SYSTE MBUS), PC system bus (PCIBUS), ISA system bus (ISABUS), universal serial system bus (U Niversal Serial Bus, USB) etc. And according to power saving of the present invention Computer system comprises by memories such as DRAM or memory caches (CACHE MEMORY) The system storage that forms is used for storage data. Computer system utilize a peripheral jockey use for Peripheral device connects, and for example: CD-ROM device uses E-IDE joint and E-IDE controller or S CSI joint etc. is connected to system.
" a kind ofly possesses the fast moving number according to No. the 080538th, all Taiwan patent of applicant Computer system according to function " in disclose, peripheral device by an Interface Control device to pick up the control from system The control command of peripheral device processed action is also resolved, in response to controlling peripheral device in the content of control command Data transmitting with one first transmission path and one second transmission path. By this, can be with computer system Running cut apart, and reduce the burden of System Operation. The present invention by an Interface Control device for computer system The operating characteristic of the peripheral device of the usefulness that connects provides control, and for example general CD-ROM device has two kinds of operator schemes; One first mode of operation is that similar CD-ROM device is play acoustic image CD-RW discsCD-RW or laser disc. Under this first mode of operation, The operation area limited of system is in the system part, need not central processing unit, the joining of the specific device such as system storage The mode that works alone of closing, and only be limited to this peripheral device action, to play the acoustic image laser disc as example, computer system The operation area limited of system (is controlled such as VGA in CD-ROM device, mpeg decompression contracting device, display control unit Device), display; And second mode of operation is for reading the data on the CD-RW discsCD-RW or program such as system's control CD-ROM device Advance system storage and process action for central processing unit fortune. Under this second mode of operation, system acting needs periphery Device cooperates other specific devices, such as central processing unit, system bus bridger (Bride Con Troller), system storage, system bus etc. can be worked.
See also Fig. 1. In the drawings, CD-ROM device 123 is electrically connected to system by Interface Control device 124 Bus 130, Interface Control device 124 are picked up the order from system's control CD-ROM device 123 runnings, When control command for control from laser disc 123 reading out datas during to system storage 14, Interface Control device 1 24 namely control CD-ROM device 123 data follows classical pathway, transfers to system storage 14; Work as Interface Control Device 124 is resolved the content of control command for playing the acoustic image CD-RW discsCD-RW, and Interface Control device 124 is namely controlled The data of CD-ROM device 123, not via system storage 14 directly by (Zoom Video Port, ZV port) deliver to mpeg decompression contracting device 126 and decompress after, directly send To display 125 demonstrations. By this, can lower data processes in load and the central authorities that system bus transmits The work load of unit. Analyze according to this case inventor, in computer system, except acoustic image CD-RW discsCD-RW, CD Sheet can be directly carried out outside the function by peripheral device, when the function of peripheral device increasingly powerful, the energy that works alone When power was more strong, computer work can carry out cutting apart of working region according to same principle, for example by the Hard Disk Drive read number According to the destination of difference, by the network downloading data to different storing medias, or storage device of new generation Such as DVD etc., all can utilize the concept of cutting apart the working region, to develop efficiency.
Electric-saving computer system of the present invention is cut apart characteristic according to the working region of system, according to each mode of operation with electricity Source supply is divided into partly corresponding: one first power supply supply CPU, System on chip group, system storage, The specific device running that the peripheral device such as system bus is finished outside the necessary device of specific function is used; One Two power supplys are supplied this type of and are had the peripheral device of two kinds of operating modes and cooperate the device of its action to use, such as light The running such as disc player, mpeg decompression contracting device, display control unit is used. The present invention is by switching device, with The control specific device is taken first power supply. Wherein, first power supply and second source can be by power supply devices The different electrical power transmission path of telling is supplied respectively.
Electric-saving computer system of the present invention is provided with a power-saving control device 132,132 of power-saving control devices The control signal that the control peripheral equipment that sends according to system operates is judged the mode of operation that peripheral device carries out. When When the control signal that system sends is worked with first mode of operation for the control peripheral device, this power-saving control device Namely control this switching device, to reduce or to stop specific device to the taking of first power supply, at this moment, whole system Power consumption part only for the supply peripheral device in the necessary power supply of the first mode of operation work; When system sends When control signal was worked with second mode of operation for the control peripheral device, this power-saving control device was namely controlled this switch Device is with supply specific device normally taking first power supply. It is whole that this power-saving control device also is responsible for monitoring The activity of system, whether this power-saving control device is by the movable of monitoring signal specific, system bus and according to The busy situation of judging system from the interrupt call input of peripheral device is arranged, send out when power-saving control device detects Existing system breakdown a period of time does not operate, and power-saving control device i.e. accordingly judgement system enters dead state, and right The employed power switch of subsystem of Ying Yuwei operation is to save the use of power supply. And make according to the present invention With power-saving control device and Interface Control device can and cooperate tough by specific use wafer (ASIC) Part and driver are reached, and this is known by the person skilled in the art, will not describe in detail at this.
Embodiments of the invention: power-saving control device 132 is electrically connected on each input media 150 of each system bus respectively, as keyboard, Genius mouse, network etc., to receive the input signal from input media.When system ceased operations continues for some time, this power-saving control device detects each input media and peripheral device, when the discovery system is dead state (IDLE), promptly controls the employed power supply of stop supplies subsystem, uses the consumption that reduces power supply.When specific device does not operate when the peripheral device action is only arranged, be about to the employed power-off of specific device, only supply peripheral device and operate required power supply; If only must specific device work and when need not peripheral device cooperating, be about to the peripheral device power-off and only supply specific device work required power supply; If peripheral device and specific device be cooperating simultaneously, then supply its needed power supply simultaneously; If peripheral device and specific device all stay cool, both employed power supplys of stop supplies then, do not cut off, so that power-saving control device continues to monitor the mode of operation of (MONI TOR) total system, for example states such as keyboard, Genius mouse or network connection device.When power-saving control device finds to have signal input from input media, promptly send system break call out (System Management Interrupt, SMI) or other interrupt calls, to wake CPU (central processing unit) up, recover normal mode of operation, so that these interrupt calls are handled.
The present invention is cut apart characteristic by the work of computer system can be planned, specific work is defined in specific region in the computer system, simultaneously, by the different employed power supplys of power supply supply zones of different, by this, when the operated job specification of computer system only is limited to specific region or subsystem, other regional power supplys that have neither part nor lot in running is reduced or this zone element is reduced belonging to taking of this regional power supply.So, promptly exempt known computer system when general operation, promptly only make the shortcoming that subelement work also must the total system power consumption, a large amount of reductions the consumption of power supply, simultaneously for portable computer system, also prolonged the service time of battery.
Electric-saving computer system system block diagrams of the present invention sees also Fig. 1.Among the figure, CPU (central processing unit) 101, system storage 102, memory cache 103 etc. are electrically connected to service system bus 110 respectively; Power-saving control device 132 is electrically connected to input media 150, system bus 110, PC system bus 120, ISA system bus 130 respectively; Wherein, input media 150 comprises: keyboard, Genius mouse, network connector etc. are used for the input data to computer system.CD-ROM device 123 is connected to ISA system bus 130 by interface control device 124.
As shown in Figure 2, to power supply change-over device 180, see through power supply device 182 and power supply change-over device 180 is the accurate position that compliance with system is used with extraneous power source conversion to power supply device 182 by external world's input power supply.The out-put supply 275 of power supply change-over device 130 is electrically connected to switch 200, switch 210, switch 220 respectively; Power-saving control device 132 is electrically connected to switch 200,210,220 and power supply change-over device 180 respectively.Power-saving control device 132 is by control signal 224 signaling switches 220, control signal 222, gauge tap 210, control signal 225 gauge tap 200 simultaneously, switch 200 is with control power delivery path 350, switch 210 is in order to control power delivery path 370, switch 220 is in order to control power delivery path 360, by the unlatching and closure of switch, reach the control power supply and whether be supplied to specific power delivery path.
Fig. 3 is an electric-saving computer system power supply supply synoptic diagram of the present invention.Wherein, input media 150 employed power supplys are provided by power delivery path 360; Interface control device 124, CD-ROM device 123, mpeg decoder 126, display control unit 127, voice output 143 employed power supplys are by 350 supplies of power delivery path; Power-saving control device 132 employed power supplys are directly by power supply change-over device 180 supplies; Employed power supplys such as CPU (central processing unit) 13, system storage 14, memory cache 15, system/pci system bus bridge controller 112, PCI/ISA system bus bridge controller 121, IDW interface connector 128, Hard Disk Drive 129 are by 370 supplies of power delivery path.
Fig. 4 is the employed interface control device of an a preferred embodiment of the present invention synoptic diagram.Wherein, interfacial level controller 415 picks up the control command from system 100 control CD-ROM device 123 actions, by with the approach of these control command signal decodings with control CD-ROM device 123 output datas; When this control command for control from these CD-ROM device control 123 reading of data during to system storage 102, interface control 415 is promptly controlled CD-ROM device controller 410 from CD-ROM device 123 sense datas, interfacial level controller 415 also sends control signal 417 control tri-state logic gates 411 and makes path 480 conductings, send control signal 472 control tri-state logic gates 412 simultaneously and make path 490 not conductings, so, data are promptly followed classical pathway, transfer to system 102; The content of resolving this control command when interfacial level controller 415 is for playing the acoustic image CD-RW discsCD-RW, interfacial level controller 415 is promptly controlled CD-ROM device controller 410 from CD-ROM device 123 sense datas, interfacial level controller 415 also finds that control signal 471 control tri-state logic gates 411 make path 480 not conductings, send control signal 472 control tri-state logic gates 412 simultaneously and make path 490 conductings, so, data are promptly directly delivered to mpeg decompression and are contracted after device 126 decompresses, and deliver to display 125 and play.
Electric-saving computer system system's state of a control synoptic diagram of the present invention (state machine) sees also Fig. 5, Fig. 6, Fig. 7.
It is in order to show preferred embodiment power saving handling procedure of the present invention that Fig. 1 cooperates Fig. 5.To play laser disc is the example explanation, no matter system is in whole power supply states or part power supply state (step 501), after the user presses broadcast laser disc function key (step 502), in response in this interrupt call, CPU (central processing unit) 13 is sent control command to interface control device 124 (step 503), interface control device 124 is promptly to the control command decoding, and control is directly delivered to voice output 143 outputs from CD-ROM device 123 sense datas.
To the process of step 504, promptly in the process of system works, power-saving control device can continue the user mode of inspection system in step 501, and according to the state of system respectively correspondence powered-down step and power-on step are arranged.
Please cooperate Fig. 2, Fig. 3 and Fig. 6.In the powered-down step, power-saving control device 132 utilizes signal 199,198,197 user mode of detection system bus respectively, and power-saving control device 132 also continues to inspect the duty (step 602) of CPU (central processing unit) 101 simultaneously.System bus does not have data transmission for a long time in testing process, and CPU (central processing unit) 101 also is in idle state, power-saving control device promptly 132 is judged system's whether idle (step 603), enter the power-saving control program immediately, as shown in Figure 2, send control signal 222 with switch 210 open circuits by power-saving control device 132, make power supply change-over device 180 stop supplies power supplys to power delivery path 370, feasible element by power delivery path 370 power supplies, stop electrical source consumption (step 604), and reduce the waste of electric power.
The step of power-on please cooperate Fig. 2, Fig. 3 and Fig. 7.After computer system middle part independent power source was closed, power-saving control device 132 was still controlled power supply and is supplied with input media 150 uses, and input media 150 comprises input medias such as modem, keyboard, network card, Genius mouse, Trackpad.When system is positioned at power down mode (step 701), and use beginning to import data to computer system by input media 150, input in response to data, input media 150 promptly sends interrupt call, in response in these interruptions are exhaled, power-saving control device 132 is inspected the source (step 702) of sending interrupt call, come the corresponding perform region (step 703) of judgement system according to source of sending interrupt call and job requirement (token) simultaneously, power-saving control device 132 is promptly found control signal, the switch of control counterpart is closed circuit, makes its corresponding supply path restore electricity.For example, when user's order is to system storage 14 from Hard Disk Drive 129 reading of data, at this moment, power-saving control device 132 is gauge tap 200 open circuit, makes CD-ROM device 123, the mpeg decompression device 126 pairing power delivery paths of contracting stop the power supply supply; And power-saving control device 132 further gauge tap 210 are closed circuit, and the power supply that promptly need not supply CPU (central processing unit) 101, system storage 102, system/pci system bus bridge controller 112, PCI/ISA system bus bridge controller 121 and Hard Disk Drive 129 gets final product.
For peripheral device, with the CD-ROM device is example, as user when only desire is play CD-RW discsCD-RW, cooperation by interface control device 124 and power-saving control device 132, after interface control device 124 control datas are read by CD-RW discsCD-RW, promptly directly delivering to mpeg decompression contracts and is directly broadcasted by display 125 after device 126 decompresses, so, the activity of total system (activity) only is limited to CD-ROM device 123, interface control device 124, the mpeg decompression device 126 that contracts, display control unit 127,132 of power-saving control devices with system other power supply transfer paths that do not carry out operation part close, to save the consumption of power supply: store power supply to power delivery path system 70 for desiring by CD-ROM device 123 reading of data to system and work as the user, feasible element by power delivery path 370 power supplies, stop electrical source consumption (step 604), and reduce the waste of electric power.
The step of power-on please cooperate Fig. 2, Fig. 3 and Fig. 7.After computer system middle part independent power source was closed, power-saving control device 132 was still controlled power supply and is supplied with input media 150 uses, and input media 150 comprises input medias such as modem, keyboard, network card, Genius mouse, Trackpad.When system is positioned at power down mode (step 701), and the user begins by input media 150 input data to computer system, import in response to data, input media 150 promptly sends interrupt call, in response in these interrupt calls, power-saving control device 132 is inspected the source (step 702) of sending interrupt call, come the corresponding perform region (step 703) of judgement system according to source of sending interrupt call and job requirement (token) simultaneously, power-saving control device 132 sends control signal well, the switch of control counterpart is closed circuit, makes its corresponding supply path recover common-battery.For example, when user's order is to system storage 14 from Hard Disk Drive 129 reading of data, at this moment, power-saving control device 132 is gauge tap 200 open circuit, makes CD-ROM device 123, the mpeg decompression device 126 pairing power delivery paths of contracting stop the power supply supply; And power-saving control device 132 further gauge tap 210 are closed circuit, and the power supply of promptly only supplying CPU (central processing unit) 101, system storage 102, system/PC system bus bridge controller 112, PCI/ISA system bus bridge controller 121 and Hard Disk Drive 129 gets final product.
For peripheral device, with the CD-ROM device is example, as user when only desire is play CD-RW discsCD-RW, cooperation by interface control device 124 and power-saving control device 132, after interface control device 124 control datas are read by CD-RW discsCD-RW, promptly directly delivering to mpeg decompression contracts and is directly broadcasted by display 125 after device 126 decompresses, so, the activity of total system (activity) only is limited to CD-ROM device 123, interface control device 124, the mpeg decompression device 126 that contracts, display control unit 127,132 of power-saving control devices with system other power supply transfer paths that do not carry out operation part close, to save the consumption of power supply; And work as the user for desiring by CD-ROM device 123 reading of data to system 102, at this moment, the power supply of CPU (central processing unit) 101, system storage 102, system/pci system bus bridge controller 112, PCI/ISA system bus bridge controller 121 and Hard Disk Drive 129 gets final product, and the power supply of other parts can be closed.
Preferred embodiment of the present invention, when power-saving control device judges that total system all is in idle state, as shown in Figure 2, power-saving control device 132 sends control signal 225 controls with switch 200 open circuits, stop CD-ROM device 123 power supply that uses, only keep input media 150 employed power supply feed lines 360.
The present invention has following effect:
Because the present invention, the result with the operating area and the power supply supply approach of system are cut apart makes the system power supply sectional close, so the present invention has the characteristics of power saving, and simultaneously, the original operating function of system is also unaffected.
In the preferred embodiment of the present invention, though only the system power supply feed lines is divided into two supply paths, according to principle of the present invention, be divided into more power supply areas, the result that multistage is cut apart can more resilient execution electricity-saving function, more can reduce unnecessary power supply waste simultaneously.
The present invention can also another kind of mode implement.CD-ROM device when playing laser disc (CD), in response in the characteristic of CD-ROM device itself, can CPU (central processing unit), specific device intervention such as system storage, this is found in the Red Book of CD-ROM specification.Therefore implement an easy means of the present invention's conception, cooperation that need not the interface control device, only need simple power-saving control device, its function starts the order of play CD in computer system in response to the operator, and power-saving control device is promptly the power supply Close All that removes the required power supply of broadcast compact disc (compact disk); And answer interrupt call that user's input command sends and with power up in input media.At this moment, first mode of operation of CD-ROM device is and reads the CD-RW discsCD-RW data and deliver to system storage; And second mode of operation is the broadcast compact disc.Therefore, but the CD-ROM device independent play-out laser disc of portable computer system and intervention that need not other elements of system, and obtain power saving effect.
Claims (18)
1, a kind of electric-saving computer system comprises:
One power supply device in order to power supply to computer system;
One first switchgear is electrically connected to power supply device;
One first power delivery device is electrically connected to first switchgear, uses with specific device in the supply computer system so that first power supply to be provided;
One second source transmitting device is electrically connected on power supply device, so that second source to be provided;
One system bus is used for data transmission;
One CPU (central processing unit) is electrically connected on system bus, uses for deal with data and controlling computer System Operation;
One system memory device is electrically connected on system bus, uses for storage data;
One peripheral coupling arrangement is electrically connected on system bus, uses for peripheral device and is connected to computer system;
One power-saving control device is electrically connected on system bus;
Wherein, described power-saving control device is electrically connected on described power supply device, and the employed power supply of peripheral device is provided by described second source;
Peripheral device works in first mode of operation in response in the control of one first control signal; Peripheral device works in second mode of operation in response in the control of second control signal; When peripheral device works in first mode of operation, need not cooperate by specific device;
In response in first control signal, power-saving control device is controlled described first switchgear with stop supplies first power supply; In response in second control signal, power-saving control device is controlled first switchgear, to control the first power delivery device provisioning, first power supply;
One interface control device is controlled peripheral device and is carried out data transmission by one of one first transmission path and one second transmission path in response in the control signal of the described peripheral device work of control;
By this, when computer system is worked in peripheral device in first mode of operation, save power supply and consume.
2, a kind of electric-saving computer system comprises:
One power supply device in order to power supply to computer system;
One first power delivery device is electrically connected to this power supply device, uses with specific device in the supply computer system so that one first power supply to be provided;
One second source transmitting device is electrically connected on this power supply device, so that a second source to be provided;
One system bus is used for data transmission;
One CPU (central processing unit) is electrically connected on this system bus, uses for deal with data and controlling computer System Operation;
One system memory device is electrically connected on system bus, uses for storage data;
One peripheral coupling arrangement is electrically connected on system bus, uses for a peripheral device and is connected to computer system;
One power-saving control device is electrically connected on system bus;
Wherein, described power-saving control device is electrically connected on a power supply device, and the employed power supply of this peripheral device is provided by second source;
Described peripheral device works in one first mode of operation in response in the control of one first control signal; Described peripheral device works in one second mode of operation in response in the control of one second control signal; When described peripheral device works in described first mode of operation, need not cooperate by specific device;
In response in described first control signal, described power-saving control device control specific device reduces taking described first power supply; In response in described second control signal, described power-saving control device control specific device is normally taken this first power supply;
One interface control device is controlled peripheral device and is carried out data transmission by one of one first transmission path and one second transmission path in response in the control signal of this peripheral device work of control;
By this, computer system is first mode of operation when work in the data peripheral device in data, saves power supply and consumes.
3, a kind of electric-saving computer system comprises:
One power supply device is in order to supply suitable power supply to computer system;
One first switchgear is electrically connected to this power supply device;
One first power delivery device is electrically connected to first switchgear, uses with specific device in the supply computer system so that one first power supply to be provided;
One second source transmitting device is electrically connected on this power supply device, so that a second source to be provided;
One system bus is used for data and is transmitted thereon;
One CPU (central processing unit) is electrically connected on system bus, uses for deal with data and controlling computer System Operation;
One system memory device is electrically connected on system bus, uses for storage data;
One peripheral coupling arrangement is electrically connected on system bus, uses for a peripheral device and is connected to computer system;
One power-saving control device is electrically connected on system bus;
Wherein, described power-saving control device is electrically connected on described power supply device, and the employed power supply of described peripheral device is provided by described second source;
Described peripheral device works in one first mode of operation in response in the control of one first control signal; Described peripheral device works in one second mode of operation in response in the control of one second control signal; When described peripheral device works in described first mode of operation, cooperation that need not specific device;
In response in described first control signal, described power-saving control device is controlled first switchgear and is taken first power supply to stop specific device; In response in second control signal, power-saving control device is controlled first switchgear, to recover specific device taking first power supply;
By this, when computer system is worked in this peripheral device in first mode of operation, save the consumption of power supply.
4, according to each described electric-saving computer system in claim 1 or 2 or 3, it is characterized in that described specific device comprises central processing unit.
5, according to each described electric-saving computer system in claim 1 or 2 or 3, it is characterized in that described peripheral device comprises a CD-ROM device.
6, electric-saving computer system according to claim 5 is characterized in that, described first control signal is controlled described CD-ROM device play CD sheet.
7, electric-saving computer system according to claim 6 is characterized in that, described peripheral device comprises sound-effect processing equipment and voice output.
8, electric-saving computer system according to claim 7 is characterized in that, when described CD-ROM device is worked in described second mode of operation, needs specific device to cooperate.
9, electric-saving computer system according to claim 8 is characterized in that, described second mode of operation be computer system from this laser disc reading of data to this system storage.
10, according to each described electric-saving computer system in claim 1 or 2 or 3, it is characterized in that, described interface control device comprises a decoding device and a route control device, decoding device is in order to separate read control signal and in response to produce a path control signal in the control signal content, in response in this path control signal, the data of route control device control peripheral device are carried out data transmission by one of described first transmission path and described second transmission path.
11, electric-saving computer system according to claim 10 is characterized in that, in response in described first control signal, described interface control device control described peripheral device with according to described first transmission path.
12, electric-saving computer system according to claim 11 is characterized in that, described peripheral device is a CD-ROM device.
According to right right 2 described electric-saving computer systems, it is characterized in that 13, described first control signal is to control described CD-ROM device play CD sheet or acoustic image CD-RW discsCD-RW.
14, a kind of electric-saving computer system control method, it is characterized in that, computer system cooperates the peripheral device work with one first mode of operation and one second mode of operation, peripheral device is to carry out data transmission with one first transmission path when first mode of operation is worked, and described peripheral device is to carry out data transmission with one second transmission path when second mode of operation is worked; The electric-saving computer system control method comprises the following step:
(a) provide respectively one first power supply to the computer system specific device and a second source to peripheral device;
(b) the control signal content of reception one control peripheral device mode of operation;
(c) understand described control signal;
(d) in response to entering first mode of operation for control, reduce the electric energy that specific device is taken this first power supply in the control signal content.
15, electric-saving computer system control method according to claim 14 is characterized in that, described specific device comprises central processing unit.
16, electric-saving computer system control method according to claim 15 is characterized in that, described peripheral device comprises a CD-ROM device.
17, electric-saving computer system control method according to claim 16 is characterized in that, described first mode of operation is described CD-ROM device play CD sheet.
18, electric-saving computer system control method according to claim 17 is characterized in that, described peripheral device comprises sound-effect processing equipment and voice output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97103785 CN1121642C (en) | 1997-04-17 | 1997-04-17 | Electric-saving computer system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97103785 CN1121642C (en) | 1997-04-17 | 1997-04-17 | Electric-saving computer system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1196512A true CN1196512A (en) | 1998-10-21 |
| CN1121642C CN1121642C (en) | 2003-09-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97103785 Expired - Lifetime CN1121642C (en) | 1997-04-17 | 1997-04-17 | Electric-saving computer system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1121642C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100390706C (en) * | 2004-11-18 | 2008-05-28 | 国际商业机器公司 | Apparatus and method to provide power to battery-backup assemblies |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100353286C (en) * | 2004-09-03 | 2007-12-05 | 索尼株式会社 | Power supply circuit and electronic device |
| JP4280244B2 (en) * | 2005-02-15 | 2009-06-17 | シャープ株式会社 | Job processing device |
-
1997
- 1997-04-17 CN CN 97103785 patent/CN1121642C/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100390706C (en) * | 2004-11-18 | 2008-05-28 | 国际商业机器公司 | Apparatus and method to provide power to battery-backup assemblies |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1121642C (en) | 2003-09-17 |
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| ASS | Succession or assignment of patent right |
Owner name: HONHQI CO., LTD. Free format text: FORMER OWNER: ACER COMPUTER CO., LTD. Owner name: WEICHUANG ZITONG CO., LTD. Effective date: 20020809 |
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| C41 | Transfer of patent application or patent right or utility model | ||
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Effective date of registration: 20020809 Address after: Taiwan Taipei County 221 China Sijhih City five new Taiwan Road No. 88 21 floor Applicant after: Acer Inc Co-applicant after: Weichuang Zitong Co., Ltd. Address before: Taiwan, China Applicant before: Acer Computer Co., Ltd. |
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