CN1293442C - Computer system having start-free playing function and adapter thereof - Google Patents
Computer system having start-free playing function and adapter thereof Download PDFInfo
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- CN1293442C CN1293442C CNB031474926A CN03147492A CN1293442C CN 1293442 C CN1293442 C CN 1293442C CN B031474926 A CNB031474926 A CN B031474926A CN 03147492 A CN03147492 A CN 03147492A CN 1293442 C CN1293442 C CN 1293442C
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- computer system
- bus
- exempting
- pin
- playing function
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Abstract
The present invention relates to a computer system with a function of playing without starting a computer, which comprises a power supply device, an optical disc device and a switching device, wherein the power supply device can provide 5V and 12V stand-by voltage for the optical disc device when the computer system is in a shutdown state; the switching device is connected with the optical disc device and a mainboard of the computer system. When the computer system is in the shutdown state, the switching device causes a first leading pin of an IDE bus of the optical disc device to keep a conducting state, which causes the optical disc device to be capable of using the stand-by voltage provided by the power supply device to play a music optical disc.
Description
Technical field
The present invention is relevant for a kind of computer system with the playing function of exempting to start shooting, and is particularly to a kind of special connector realize exempting from starting shooting computer system of playing function of utilizing.
Background technology
Present most computing machine comprises mobile computer, all optical disc apparatus is considered as the outfit of a standard, as data fetch device and multimedia playing apparatus.But with the inner structure of present computing machine, the optical disc apparatus in using a computer still must be controlled by computer-internal chip and bus.In other words,, just must open whole computing machine as long as the user wants to come the playing back music CD by the optical disc apparatus in the computing machine, and for keeping motherboard and other peripherals provides certain electric power.At this moment, CPU, motherboard and other peripheral unit are as hard disk unit, keyboard and display screen or the like, just nature can consume the electric power of certain degree.
In known computer, when the user only need carry out the operation of playing back music CD, still must open whole computing machine, cause many unnecessary electric power consumptions.The phenomenon of above-mentioned unnecessary electric power consumption seems very serious especially especially in general mobile computer.Mobile computer is because the product that is of portable form, so providing of electric power is very important problem.So, if the user of mobile computer only wants the CD of listening to the music, but have to waste the valuable electric power that whole computing machine consumes, obviously the known computer structure haves much room for improvement.
Summary of the invention
Fundamental purpose of the present invention is to provide a kind of computer system with start-free music playing CD function, the limited mobile computer of available electrical power particularly, can be under the state of shutdown in computer system, use optical disc apparatus separately, make computer system need not power, to reach the purpose that reduces electric power consumption to inner other assembly.
Another object of the present invention is to provide a kind of can be in the computer system of playing back music CD under the shutdown mode.When the user operated optical disc apparatus under off-mode, the effect of optical disc apparatus was as the playing device of music CD; When operating under normal mode, the effect of optical disc apparatus can be carried out the function of reading and writing data and play multimedia as the optical disc apparatus that is installed in the computing machine.
For achieving the above object, the present invention can be by providing a kind of computer system with the playing function of exempting to start shooting, and it comprises supply unit, optical disc apparatus, motherboard and switching device.Supply unit can provide optical disc apparatus one standby power under computer system is in off-mode; Optical disc apparatus has one first bus, motherboard has one second bus, and switching device connects first bus and second bus, wherein be in off-mode following time when computer system, switching device makes the constant starting state that is in of a reset pin of first bus, the standby power that makes optical disc apparatus can utilize supply unit to provide, the playing back music CD.
In a preferred embodiment.First bus and second bus are all the IDE bus, and have identical number of pins, are first pin of IDE bus and keep (Reset) pin that resets of noble potential under off-mode.
In a preferred embodiment, the standby power that supply unit provided comprises a 5V voltage signal and a 12V voltage signal.
In a preferred embodiment, the switching shape is put and is comprised that one has the winding displacement and a controlled switch of a plurality of pins, wherein controlled switch difference one first input end is electrically connected with first web member, and one second input end is electrically connected with second web member, be arranged on the reset pin of winding displacement, a power supply terminal is electrically connected with the controlled source input end again.
Again, controlled switch is a transistor, and first input end is transistorized collector, and second input end is transistorized emitter, and the controlled source input end is transistorized base stage.
Again, first web member of winding displacement is connected with first bus of optical disc apparatus, second web member of winding displacement is connected with second bus of motherboard, and make first pin of the winding displacement first web member end and the corresponding electrical connection of first pin of first bus, that is transistorized collector is electrically connected with first pin of first bus.In addition, first pin of the winding displacement second web member end also with the corresponding electrical connection of first pin of second bus, transistorized emitter is electrically connected with first pin of second bus.
Again, first web member of winding displacement is an IDE male connector, and second web member is an IDE female connector.
In a preferred embodiment, supply unit also provides a controlled source to transistorized base stage, and when computer system power-on, controlled source is in noble potential, and when computer system was shut down, controlled source was in electronegative potential.
At another preferred embodiment, switching device also has a power supply terminal, and power supply terminal is electrically connected with transistorized base stage.Power supply terminal also is electrically connected with supply unit or motherboard again, and the controlled source signal is offered transistorized base stage.
For above and other objects of the present invention, feature and advantage can be become apparent, a preferred embodiment cited below particularly, and conjunction with figs. are described in detail as follows.
Description of drawings
Fig. 1 exempts to start shooting playing function for the present invention has the synoptic diagram of computer system.
Fig. 2 is the circuit diagram of supply unit among Fig. 1.
Fig. 3 A is the stereographic map of switching device of the present invention.
Fig. 3 B is the circuit diagram of switching device of the present invention.
Fig. 3 C is the circuit diagram of another embodiment of the present invention switching device.
Fig. 4 is the wiring circuit diagram of multiple optical disk device of the present invention.
Symbol description
5 AC power
10,20 computer systems
12 supply units
121 controlled source ends
1211,1251 rectification interlock circuits
122 power switches
The controlled 12V end of 123a
The controlled 5V end of 123b
The general attaching plug of 124a-124c
125 standby power ends
127 CD attaching plugs
14,14a, 14b optical disc apparatus
142 first buses
144 supply sockets
16,16 ' switching device
161 first web members
162 second web members
163 power supply terminals
164 protection enclosing covers
The 165a controlled switch
The 165b transistor
166 winding displacements
17 IED data lines
18 motherboards
182 second buses
184 supply sockets
Embodiment
Because first pin of known IDE bus is (Reset) pin that resets, when computing machine is under the open state, when reset pin receives a low voltage signal, the operation that optical disc apparatus can reset; And known computing machine is under off-mode, and except optical disc apparatus did not have suitable driving power input, the reset pin of IDE bus also was to be in electronegative potential and can't to drive.Therefore, for make traditional computer system can playing back music under the state of shutdown CD, computer system of the present invention is revised traditional supply unit on the one hand, make the supply unit can be under the state of computer shutdown, provide and drive the required power supply of optical disc apparatus, make the IDE bus that connects the optical disc apparatus end can remain on noble potential on the other hand, and be not subjected to the influence of the IDE bus signals of motherboard end.
Fig. 1 exempts to start shooting playing function for the present invention has the synoptic diagram of computer system.As shown in Figure 1, the computer system 10 of the present invention with the playing function of exempting to start shooting mainly comprises a supply unit 12, an optical disc apparatus 14, a motherboard 18 and a switching device 16.Supply unit 12 is electrically connected by connector (not shown) and optical disc apparatus 14, the supply socket 144,184 of motherboard 18 and the power supply terminal (not shown) of switching device 16 respectively, provides each device work required power supply.In addition, optical disc apparatus 14 has one first bus 142, and motherboard 18 has one second bus, 182, the first buses 142 and second bus 182 is all the IDE bus, has identical number of pins, and both are electrically connected by switching device 16 of the present invention.
Refer again to Fig. 2, Fig. 2 is the circuit diagram of supply unit among Fig. 1.As shown in Figure 2, the controlled source end 121 of supply unit 12 is connected with external ac power source 5, power switch 122 conductings when computing machine, just during computer booting, extraneous ac voltage signal (110V or 220V) is converted to the d. c. voltage signal of 5V and 12V through transformer and rectification interlock circuit 1211, controlled 12V end 123a and controlled 5V end 123b by supply unit 12 exports each attaching plug 124a-124c to again, with required power supplys of peripheral unit such as diskette unit that computing machine is provided, hard disk units.Secondly, can provide optical disc apparatus 14 operate as normal required power supply under off-mode in order to make computer system 10, supply unit 12 of the present invention also has a standby power end 125 except having the controlled source end 121 identical with the conventional power source device.The standby power end 125 of supply unit 12 is not controlled by system power supply switch 122, is by another transformation coil effect, therefore, when computer system is in off-mode, can provide 5V or the standby power of 12V; That is when being electrically connected when computer system shutdown and with external ac power source 5, extraneous ac voltage signal (110V or 220V) elder generation is converted to the d. c. voltage signal of 5V and 12V through transformer and rectification interlock circuit 1251, the 12V that awaits orders by supply unit 12 holds 126a and the 5V that awaits orders end 126b to export CD attaching plug 127 to again, providing CD 14 under the computer system off-mode, the power supply that the playing back music CD is required.
Fig. 3 A is the stereographic map of switching device of the present invention, and Fig. 3 B is the circuit diagram of switching device.As 3A, 3B diagram, switching shape of the present invention is put 16 and is comprised a winding displacement 166 and a controlled switch 165a.Winding displacement 166 has one first web member 161, one second web member 162 and a plurality of pin; Controlled switch 165a can be a switch or general relay, and controlled switch 165a is electrically connected with first web member 161 with its first input end respectively, and second input end is connected with 162 electrical connections of second web member and is arranged on first pin of winding displacement 166.Switching device 16 also has a power supply terminal 163 and is connected with above-mentioned controlled switch 165a, and the other end of this power supply terminal 163 is connected in supply unit (or motherboard), is used to receive a controlled source V
1, therefore can be by the controlled voltage signal V of extraneous input
1The whether conducting of first pin of control winding displacement 16.In addition, a protection housing 164 can be protected the controlled switch 165a and the power supply terminal 163 of switching device 16, and controlled switch 165a and power supply terminal 163 can not broken away from because of external force.
Fig. 3 C is the circuit diagram of another embodiment of the present invention switching device.Shown in Fig. 3 C, the controlled switch of switching device of the present invention also can simply replace with a transistor 165b, wherein the collector C of transistor 165b is connected with first pin of first web member 161, the emitter E of transistor 165b is connected with first pin of second web member 162, the base stage B of transistor 165b is connected with power supply terminal 163, therefore can be by the controlled voltage signal V of extraneous input
1, whether oxide-semiconductor control transistors 165b acts on, that is first pin of conducting winding displacement 166 whether.
See also Fig. 1 and Fig. 3 C, the computer system 10 that the present invention has a playing function of exempting to start shooting connects the IED bus 142 of optical disc apparatus 14 and motherboard 18 by switching device 16,182, first web member 161 of winding displacement 166 is connected with the IDE bus slot 142 of optical disc apparatus 14, second web member 162 is connected with the IDE bus slot 182 of motherboard 18, and the corresponding electrical connection of first pin (reset pin) of first pin of winding displacement 166 and IED bus; That is the collector C of transistor 165b is electrically connected with first pin of optical disc apparatus end IDE bus, and the emitter E of transistor 165b is electrically connected with first pin of motherboard end IDE bus, and therefore, computer system 10 of the present invention can be passed through controlled source V
1Whether the IDE bus reset pin of control system conducting state.
See also Fig. 1, Fig. 2 and Fig. 3 C, when computer system 10 was in off-mode, the controlled source end 121 of supply unit 12 was inoperative, but the standby power of sustainable output one 5V of standby power end 125 and 12V, to drive optical disc apparatus 14.On the other hand, when computer system 10 is in off-mode, the controlled source signal V that supply unit 12 controlled source ends 121 (or through motherboard switching) are provided
1Be in electronegative potential, this moment, transistor 165b was inoperative, and the reset pin that makes the IDE bus is for opening circuit.Therefore, the voltage signal of the reset pin of optical disc apparatus end IDE bus 142 can not be subjected to the voltage signal influence of the reset pin of motherboard end IDE bus 182, this moment is as long as the reset pin of optical disc apparatus end IDE bus 142 is a high potential signal, can control optical disc apparatus 14 by ESC Escape default on the conventional optical disc device panel and play button, and then make optical disc apparatus playing back music CD.
When computer system 10 of the present invention is in normal operating state, the controlled source signal V that supply unit 12 controlled source ends 121 are provided
1Be in noble potential, transistor 165b conducting this moment, the reset pin of IDE bus is a path.Therefore, the voltage signal of the reset pin of optical disc apparatus end IDE bus 142 is identical with the voltage signal of the reset pin of motherboard end IDE bus 182, and be noble potential, the effect of optical disc apparatus at this moment can be carried out the function of reading and writing data and play multimedia as the optical disc apparatus that is installed in the computing machine.In addition, when computer system 10 when machine or optical disc apparatus 14 malfunctions, when the user presses the reset key (Reset) of computing machine, the controlled source signal V that supply unit 12 controlled source ends 121 are provided
1Still be in noble potential, transistor 165b is conducting state also, and this moment, the chipset of computer system 10 can be complied with traditional system reset step, exported a low-potential signal in the reset pin of motherboard end IDE bus 182, the optical disc apparatus 14 that resets, and system can be restarted.
In addition, shown in the 3rd figure, switching device 16 first web members 161 of the present invention are an IDE female connector, and second web member 162 is an IDE male connector.When at the fixing disc device, first web member 161 directly is connected with optical disc apparatus, and second web member 162 can be connected with the IDE bus hub of motherboard by a traditional IDE transmission line, and single optical disc apparatus can be worked under the system closedown state.Secondly, when computer system has an above optical disc apparatus, first web member 161 of switching device 16 can connect traditional IDE transmission line 17 again, with general known method above optical disc apparatus 14a in parallel, 14b, can finish the purpose of using an above optical disc apparatus under the computer system off-mode, its method of attachment as shown in Figure 4.Secondly, the connected mode of optical disc apparatus of the present invention, also can be applicable to general mobile computer, this moment, supply unit was replaced by a battery, when system closedown, the 5V of standby and 12V power supply are provided by battery, therefore by the above-mentioned connected mode of carrying, mobile computer can be under off-mode the playing back music CD, do not drive other peripheral device and do not expend unnecessary electric power.
Though the present invention with preferred embodiment openly as above; right its is not in order to limit the present invention; any those skilled in the art; under the situation that does not break away from the spirit and scope of the present invention; can change and modification, so protection scope of the present invention is as the criterion with the claim institute restricted portion that is proposed.
Claims (13)
1. computer system with the playing function of exempting to start shooting comprises:
One optical disc apparatus has one first bus;
One motherboard has one second bus;
One supply unit can provide this optical disc apparatus one standby power under this computer system is in off-mode; And
One switching device is electrically connected this first bus and this second bus, includes a winding displacement, has one first web member, one second web member and a plurality of pin; One controlled switch, have a first input end, one second input end and a controlled source input end, and be electrically connected with this first web member with this first input end respectively, and this second input end is electrically connected and is arranged on the reset pin of this winding displacement with this second web member; And a power supply terminal, be electrically connected with this controlled source input end,
Wherein be in off-mode following time when this computer system, the constant start bit state that is in of a reset pin of this first bus, this standby power that makes this optical disc apparatus can utilize this supply unit to provide, playing back music CD are provided this switching device.
2. the computer system with the playing function of exempting to start shooting as claimed in claim 1, wherein this first bus and this second bus have identical number of pins.
3. the computer system with the playing function of exempting to start shooting as claimed in claim 1, wherein this first bus and this second bus are the IDE bus.
4. the computer system with the playing function of exempting to start shooting as claimed in claim 1, wherein this standby power comprises a 5V voltage source and a 12V voltage source.
5. the computer system with the playing function of exempting to start shooting as claimed in claim 1, wherein this controlled switch is a transistor, this first input end is this transistorized collector, and this second input end is this transistorized emitter, and this controlled source input end is this transistorized base stage.
6. the computer system with the playing function of exempting to start shooting as claimed in claim 1, wherein the reset pin of this first bus is one first pin of this first bus.
7. the computer system with the playing function of exempting to start shooting as claimed in claim 6, wherein this first web member is connected with this first bus, and this second web member is connected with this second bus.
8. the computer system with the playing function of exempting to start shooting as claimed in claim 5, wherein the corresponding electrical connection of first pin of first pin of this winding displacement and this first bus makes this transistorized collector be electrically connected with this first pin of this first bus.
9. the computer system with the playing function of exempting to start shooting as claimed in claim 5, wherein the corresponding electrical connection of first pin of first pin of this winding displacement and this second bus makes this transistorized emitter be electrically connected with this first pin of this second bus.
10. the computer system with the playing function of exempting to start shooting as claimed in claim 5, wherein this supply unit also provides a controlled source signal to this transistorized base stage by power supply terminal, when this computer system shutdown, making this transistorized collector and emitter be opens circuit, and when this computer system power-on, make this transistorized collector and emitter be path.
11. the computer system with the playing function of exempting to start shooting as claimed in claim 10, wherein this power supply terminal is electrically connected with this transistorized base stage.
12. the computer system with the playing function of exempting to start shooting as claimed in claim 11, wherein this power supply terminal also is electrically connected with this supply unit, and this controlled source signal is offered this transistorized base stage.
13. the computer system with the playing function of exempting to start shooting as claimed in claim 10, wherein this power supply terminal also is electrically connected with this motherboard, and this controlled source signal system that this supply unit provided is via this this transistorized base stage of motherboard input.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031474926A CN1293442C (en) | 2003-07-14 | 2003-07-14 | Computer system having start-free playing function and adapter thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031474926A CN1293442C (en) | 2003-07-14 | 2003-07-14 | Computer system having start-free playing function and adapter thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1570808A CN1570808A (en) | 2005-01-26 |
| CN1293442C true CN1293442C (en) | 2007-01-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031474926A Expired - Fee Related CN1293442C (en) | 2003-07-14 | 2003-07-14 | Computer system having start-free playing function and adapter thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1293442C (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1300121A (en) * | 1999-12-16 | 2001-06-20 | 富士康(昆山)电脑接插件有限公司 | Adapter for electrical connector |
| JP2001236149A (en) * | 2000-02-22 | 2001-08-31 | Sony Corp | Electronic equipment system, electronic equipment and power source interlocked control method |
| CN2473662Y (en) * | 2001-01-22 | 2002-01-23 | 刘祖良 | Multifunction computer hardware controller |
| CN2525579Y (en) * | 2002-02-01 | 2002-12-11 | 联想(北京)有限公司 | Main board of computer |
| CN2543246Y (en) * | 2002-06-11 | 2003-04-02 | 英业达股份有限公司 | Cable assembly of server |
-
2003
- 2003-07-14 CN CNB031474926A patent/CN1293442C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1300121A (en) * | 1999-12-16 | 2001-06-20 | 富士康(昆山)电脑接插件有限公司 | Adapter for electrical connector |
| JP2001236149A (en) * | 2000-02-22 | 2001-08-31 | Sony Corp | Electronic equipment system, electronic equipment and power source interlocked control method |
| CN2473662Y (en) * | 2001-01-22 | 2002-01-23 | 刘祖良 | Multifunction computer hardware controller |
| CN2525579Y (en) * | 2002-02-01 | 2002-12-11 | 联想(北京)有限公司 | Main board of computer |
| CN2543246Y (en) * | 2002-06-11 | 2003-04-02 | 英业达股份有限公司 | Cable assembly of server |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1570808A (en) | 2005-01-26 |
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Granted publication date: 20070103 Termination date: 20100714 |