CN1121642C - Electric-saving computer system - Google Patents
Electric-saving computer system Download PDFInfo
- Publication number
- CN1121642C CN1121642C CN 97103785 CN97103785A CN1121642C CN 1121642 C CN1121642 C CN 1121642C CN 97103785 CN97103785 CN 97103785 CN 97103785 A CN97103785 A CN 97103785A CN 1121642 C CN1121642 C CN 1121642C
- Authority
- CN
- China
- Prior art keywords
- computer system
- power supply
- control
- saving
- power
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Power Sources (AREA)
Abstract
The present invention relates to an electricity-saving computer system which comprises a power supply device, a first switching device, two power supply transmission devices, a system bus, a CPU, a memory device, a peripheral connecting device and an electricity-saving control device, wherein the CPU, the memory device, the peripheral connecting device and the electricity-saving control device are connected with the system bus, and the electricity-saving control device is connected with the power supply device. A peripheral device uses a second power supply and operates in a first operating mode and a second operating mode respectively under the control of a control signal. When the peripheral device operates in the first operating mode, a first power supply is cut off; when the peripheral device operates in the second operating mode, the electricity-saving control device controls a first power supply transmission device to supply the first power supply. When the peripheral device operates in first operating mode, the computer system can reduce electricity consumption.
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 (WI N95) 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 embodiment in conjunction with the accompanying drawings specifies as follows to system and method for the present invention:
Electric-saving computer system of the present invention comprises: a power supply device is in order to supply suitable power supply to computer system; One first switchgear is electrically connected to power supply device; One first power delivery device is electrically connected to this first switchgear, and wherein, first switchgear is to import power supply to provide one first power supply to supply the use of specific device in the computer system in order to control the first power delivery device from this power supply device; 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 acting; One system memory device is electrically connected on this system bus, uses for the letter deposit 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, this power-saving control device is electrically connected on this power supply device, and the employed power supply of this peripheral device is provided by this second source; This peripheral device works in one second mode of operation in response in the control of one second control signal; When this peripheral device works in this first mode of operation, cooperation that need not specific device; In response in first control signal, power-saving control device is controlled this first power supply of the first switchgear stop supplies; In response in second control signal, this power-saving control device is controlled the first switchgear device, to control the first power delivery device provisioning, first power supply; One interface control device in response in control this peripheral device work control signal, the control peripheral device carries out data transmission by one of one first transmission path and one second transmission path, controls this peripheral device and carries out data transmission 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 in order to extraneous power supply transfer to computer system, and suitably change voltage to provide computer system to be suitable for by power supply change-over device 180.For example employed 110 volt AC power in present Taiwan are converted to the power supply unit of suitable direct supply, or exchange commentaries on classics direct current, DC-DC circuit etc. in the notebook computer, so that the suitable voltage that uses of each element in the computer system to be provided.
According to electric-saving computer system of the present invention, have system bus and connect each main element, transmit thereon for control signal and data, as service system bus (SYSTE MBUS), PC system bus (PCIBUS), ISA system bus (ISABUS), universal serial system bus (Universal Serial Bus, USB) etc.And electric-saving computer system according to the present invention comprises the system storage of being made up of DRAM or memory cache storeies such as (CACHE MEMORY), uses for storage data.Computer system utilizes a peripheral coupling arrangement to use for being connected with peripheral device, for example: CD-ROM device uses E-IDE joint and E-IDE controller or SCSI joint etc. to be connected to system.
According to disclosing in all Taiwan patents No. 080538 " a kind of computer system that possesses the fast moving data function " of applicant, peripheral device by an interface control device picking up from the control command of the control peripheral device of system action and to be resolved, in response to data the transmitting of controlling peripheral device in the content of control command with one first transmission path and one second transmission path.By this, the running of computer system can be cut apart, and the burden of minimizing System Operation.The present invention provides control by an interface control device at the operating characteristic of the peripheral device of usefulness that computer system connects, 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 perform region of system is limited to the system part, need not central processing unit, the mode that works alone of the cooperation of specific device such as system storage, move and only be limited to this peripheral device, to play the acoustic image laser disc is example, and the perform region of computer system is limited to CD-ROM device, mpeg decompression contract device, display control unit (as vga controller), display; And second mode of operation for as system control CD-ROM device the data on the CD-RW discsCD-RW or program are read into system storage handle for central processing unit fortune and move.Under this second mode of operation, system acting needs peripheral device to cooperate other specific devices, can work as central processing unit, system bus bridge (Bride Controller), system storage, system bus etc.
See also Fig. 1.In the drawings, CD-ROM device 123 is electrically connected to system bus 130 by interface control device 124, interface control device 124 picks up the order from system's control CD-ROM device 123 runnings, when control command for control from laser disc 123 reading of data during to system storage 14, interface control device 124 is promptly controlled CD-ROM device 123 data and is followed classical pathway, transfers to system storage 14; The content of resolving control command when interface control device 124 is for playing the acoustic image CD-RW discsCD-RW, interface control device 124 is promptly controlled the data of CD-ROM device 123, not via system storage 14 directly by (Zoom VideoPort, ZV port) delivers to mpeg decompression and contract after device 126 decompresses, directly deliver to display 125 and show.By this, can lower the load that data transmit and the work load of CPU (central processing unit) on system bus.Analyze according to this case inventor, in computer system, except acoustic image CD-RW discsCD-RW, CD sheet can directly be carried out the function by peripheral device, when the function of peripheral device powerful day by day, when the ability that works alone is strong more, computer work can carry out cutting apart of perform region according to same principle, for example by the Hard Disk Drive sense data to the destination of difference, by network download data different storing media extremely, or storage device of a new generation such as DVD etc., all can utilize the notion of cutting apart the perform region, to develop efficiency.
Electric-saving computer system of the present invention is cut apart characteristic according to the perform region of system, the power supply supply is divided into partly corresponding according to each mode of operation: the specific device running that peripheral devices such as one first power supply supply CPU (central processing unit), System on chip group, system storage, system bus are finished outside the necessary device of specific function is used; One second source is supplied this type of and is had the peripheral device of two kinds of operating modes and cooperate the device of its action to use, and the runnings such as device, display control unit of contracting as CD-ROM device, mpeg decompression are used.The present invention takes first power supply with the control specific device by switchgear.Wherein, first power supply and second source can be supplied respectively by the different electrical power transmission path that power supply device is told.
Electric-saving computer system of the present invention is provided with a power-saving control device 132, and power-saving control device 132 is judged the mode of operation that peripheral device carried out according to the control signal of the control peripheral equipment running that system sends.When the control signal that system sent is worked with first mode of operation for the control peripheral device, this power-saving control device is promptly controlled this switchgear, to reduce or to stop specific device taking to first power supply, at this moment, the power consumption of total system part is only for supplying peripheral device in the necessary power supply of the first mode of operation work; When the control signal that system sent was worked with second mode of operation for the control peripheral device, this power-saving control device was promptly controlled this switchgear, with supply specific device normally taking first power supply.This power-saving control device also is responsible for the activity of monitoring total system, this power-saving control device is by the movable of monitoring signal specific, system bus and according to whether the busy situation of judging system from the interrupt call input of peripheral device is arranged, when detecting the discovery system, do not operate stagnation a period of time power-saving control device, power-saving control device i.e. judgement system in view of the above enters dead state, and corresponding to the employed power switch of not operating of subsystem, to save the use of power supply.And can and cooperate firmware and driver to reach by specific use wafer (ASIC) according to power-saving control device used in the present invention and interface control device, 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, cut off, so that power-saving control device continues to monitor the mode of operation of (MONITOR) total system, states such as keyboard, Genius mouse or network connection device for example.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 (loken) 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, make, stop electrical source consumption (step 60 dish), and reduce the waste of electric power by the element of power delivery path 370 power supplies.
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 (19)
1, 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, when computer system is operated in first mode of operation at this peripheral device, saves power supply and consume.
2, electric-saving computer system according to claim 1 is characterized in that also comprising first switchgear, and this first switchgear is connected electrically between this power supply device and this first power delivery device;
In response in first control signal, described power-saving control device is controlled this first switchgear with stop supplies first power supply; In response in second control signal, described power-saving control device is controlled this first switchgear, to control the first power delivery device provisioning, first power supply.
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, electric-saving computer system according to claim 3, it is characterized in that, also comprise an interface control device,, control peripheral device and carry 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;
In response in first control signal, described 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.
5, according to each described electric-saving computer system among the claim 1-4, it is characterized in that described specific device comprises central processing unit.
6, according to each described electric-saving computer system among the claim 1-4, it is characterized in that described peripheral device comprises a CD-ROM device.
7, electric-saving computer system according to claim 6 is characterized in that, described first control signal is controlled described CD-ROM device play CD sheet.
8, electric-saving computer system according to claim 7 is characterized in that, described peripheral device comprises sound-effect processing equipment and voice output.
9, electric-saving computer system according to claim 8 is characterized in that, when described CD-ROM device is worked in described second mode of operation, needs specific device to cooperate.
10, electric-saving computer system according to claim 9 is characterized in that, described second mode of operation be computer system from this laser disc reading of data to this system storage.
11, according to each described electric-saving computer system among the claim 1-4, 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.
12, electric-saving computer system according to claim 11 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.
13, electric-saving computer system according to claim 12 is characterized in that, described peripheral device is a CD-ROM device.
According to right right 13 described electric-saving computer systems, it is characterized in that 14, described first control signal is to control described CD-ROM device play CD sheet or acoustic image CD-RW discsCD-RW.
15, 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, this 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; This 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 this 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 controlling this peripheral device, reduce the take amount of this specific device to this first power supply in the control signal content;
Wherein, when this peripheral device is operated in this first mode of operation, cooperation that need not specific device.
16, electric-saving computer system control method according to claim 15 is characterized in that, described specific device comprises central processing unit.
17, electric-saving computer system control method according to claim 16 is characterized in that, described peripheral device comprises a CD-ROM device.
18, electric-saving computer system control method according to claim 17 is characterized in that, described first mode of operation is described CD-ROM device play CD sheet.
19, electric-saving computer system control method according to claim 18 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 CN1196512A (en) | 1998-10-21 |
| CN1121642C true CN1121642C (en) | 2003-09-17 |
Family
ID=5166880
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 (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 |
| CN100375945C (en) * | 2005-02-15 | 2008-03-19 | 夏普株式会社 | Job processing apparatus |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7468597B2 (en) * | 2004-11-18 | 2008-12-23 | International Business Machines Corporation | Apparatus and method to provide power to battery-backup assemblies disposed in an information storage and retrieval system |
-
1997
- 1997-04-17 CN CN 97103785 patent/CN1121642C/en not_active Expired - Lifetime
Cited By (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 |
| CN100375945C (en) * | 2005-02-15 | 2008-03-19 | 夏普株式会社 | Job processing apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1196512A (en) | 1998-10-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1178118C (en) | Low power CD-Rom player for portable computers | |
| CN1038962C (en) | A data processing system, and a power supply apparatus and a method for its use with a data processing system | |
| CN1167023C (en) | Method for waking up signal control computer system power supply by using local area network and its equipment | |
| CN1163813C (en) | Power controlling circuit possessing computer system with several power source management state | |
| US20060101294A1 (en) | Apparatus for controlling standby power | |
| CN1142085A (en) | Conputer system and controlling method thereof | |
| CN1150851A (en) | Portable computer keyboard for use with plurality of different host computers | |
| CN100346267C (en) | Electric power management system and method for electronic equipment | |
| CN1874453A (en) | Quick starting TV set capable of implementing low power dissipation in stand by | |
| CN100399318C (en) | Computer with multiple processors and operating method thereof | |
| CN1121642C (en) | Electric-saving computer system | |
| CN1595375A (en) | Computer data protecting method and apparatus | |
| CN1221148A (en) | Apparatus for, and method of, isolating hardware and power source problems | |
| CN1584787A (en) | Power conservation in the absence of AC power | |
| CN1300661C (en) | Computer system and power source management state | |
| US20060294404A1 (en) | Method of power management of a central processing unit connecting with a plurality of host bridges | |
| CN106354466A (en) | Inner network host and outer network host switching device sharing same display device, and inner network host and outer network host switching method | |
| CN1147774C (en) | Computer device and its change method from power economizing mode into operation mode | |
| CN1674515A (en) | Network insulating apparatus and method | |
| CN1661867A (en) | USB concentrator with built-in memory device | |
| CN2842934Y (en) | Distribution type power-supplying apparatus | |
| CN1153327C (en) | High-safety shutdown unit for device connected to UPS and its method | |
| CN101526929A (en) | Integrated-equipment driving system and application method thereof | |
| CN2677999Y (en) | RS-232 communcation prot and communication switchover device of USB communication port | |
| US7197587B2 (en) | Systems-events core for monitorings system events for a cellular computer system within a parent computer system, system-event manager for monitoring system events for more than one cellular computer system, and related system and method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| 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 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
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. |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20030917 |