CN100361114C - Computer system with warm connection function - Google Patents
Computer system with warm connection function Download PDFInfo
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- CN100361114C CN100361114C CNB001246488A CN00124648A CN100361114C CN 100361114 C CN100361114 C CN 100361114C CN B001246488 A CNB001246488 A CN B001246488A CN 00124648 A CN00124648 A CN 00124648A CN 100361114 C CN100361114 C CN 100361114C
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Abstract
The present invention relates to a computer system with a hot insertion and plug function, which comprises a computer peripheral device, a main computer board, a software controller and a circuit board provided with a first connector, a second connector and a signal connecting device, wherein the computer peripheral device is electrically connected with one of the first connector and the second connector selectively. The signal connecting device judges the variety of the computer peripheral device through electric connecting signals and transmits judging results to the main computer board, and the computer peripheral device is started up by the software controller. Therefore, the computer peripheral device can be inserted and pulled in a start-up state by users and can not occupy resources of a CPU.
Description
Technical field
The present invention relates to a kind of computer system, especially relate to a kind of computer system with hot plug function.
Background technology
The information product of a new generation is stressed function compact, scalable and that can extract, makes the user optionally change computer peripheral device from host computer.And because direct moment of plug computer peripheral device, because of the change of electric current may influence even or the normal operation of damage computer, so traditional Plug Action must can be carried out under open state.Yet when the user need change a plurality of computer peripheral devices or usage platform and is server, shutdown was for user and impracticable, therefore, so-called hot plug, the computer system that promptly can plug computer peripheral device under open state is just arisen at the historic moment.
The exhausted major part of computer system that has the hot plug function at present is to utilize small computer system interface (SCSI), and host computer only provides single slot to give single computer peripheral device, not only elasticity is not more had in the replacing of computer peripheral device, and the required space of slot also increases with the quantity of computer peripheral device.
Summary of the invention
The purpose of this invention is to provide a kind of computer system with hot plug function, it can judge the position of computer peripheral device and the computer system of kind automatically, make the user under open state, can plug computer peripheral device, and the resource of computer CPU (central processing unit) (CPU) that can not account for does not also influence or damages the normal operation of computer.
In addition, the computer system with hot plug function of the present invention, host computer does not need complicated soft, hardware to cooperate, but the user just the elastic registration computer peripheral device the position and carry out hot plug.
For achieving the above object, the invention provides a kind of computer system, comprise with hot plug function:
One computer peripheral device has predeterminated position and has a signal connector of a software driver (FDD) interface, or the signal connector of an Integrated Device Electronics (IDE) interface;
One motherboard has a Basic Input or Output System (BIOS);
One software controller is in order to the signal transmission of controlling this computer system and the power supply of this computer peripheral device; And
One circuit board is formed in order on the plug groove that holds this computer peripheral device, comprises a FDD connector, an IDE main connector and a signal coupling arrangement;
When computer peripheral device needs hot drawing to go out, computer part is carried out the following step, to realize hot plug: at first software controller is obtained the information of the position of the computer peripheral device that will transfer to, and then software controller carries out the bolt down procedure of computer peripheral device and stops its power supply;
This computer peripheral device of signal connector that wherein has the signal connector of FDD interface or an ide interface according to this signal connector of its predeterminated position optionally via electronic circuit and device at this FDD signal connector of upper this motherboard and install that one of them is electrically connected at this IDE connector of upper this motherboard; This signal connecting device that is arranged in this circuit board judges the kind of this computer interfaceJi Suanjijiekou equipment and judged result is sent to this motherboard via electronic circuit by the signal that is electrically connected that electronic circuit produces, again by activating this computer interface equipment with this software controller that this circuit board is connected via electronic circuit.
Described a kind of computer system with hot plug function is characterized in that: when this computer peripheral device inserted this slot, by the following annexation of computer system, realization equipment heat was inserted;
These annexations are:
(a) this signal coupling arrangement is connected with this circuit board;
(b) electronic circuit of this circuit board will be electrically connected signal and be sent to this signal coupling arrangement.
(c) this signal coupling arrangement is by being electrically connected the kind of this computer peripheral device of signal Auto-Sensing;
(d) this Basic Input or Output System (BIOS) obtains the detecting result from this signal coupling arrangement;
(e) this software controller is called out this Basic Input or Output System (BIOS) and is obtained the detecting result; And
(f) this software controller provides the required power supply of this computer peripheral device and carries out start-up routine according to the detecting result.
Described a kind of computer system with hot plug function is characterized in that: when this computer peripheral device is transferred to by this slot, by the following annexation of computer system, realize that the equipment hot drawing goes out:
These annexations are:
(a) this software controller is obtained the information of the position of this computer peripheral device;
(b) this software controller carries out the bolt down procedure of this computer peripheral device and stops its power supply; And
(c) this software controller allows this signal coupling arrangement to separate with this circuit board.
Described a kind of computer system with hot plug function is characterized in that: also comprise an operating system, check user's authority by this software controller, whether decision allows to start or close this computer peripheral device.
Described a kind of computer system with hot plug function is characterized in that: this circuit board comprises the secondary connector of an IDE in addition, is formed in order on another slot that holds this computer peripheral device, and the secondary connector of this IDE is in order to be connected with this computer peripheral device.
Described a kind of computer system with hot plug function is characterized in that: this computer peripheral device is floppy drive, Winchester disk drive, read-only optical disc machine, read/writable CD player or numerical digit multifunctional optical disk machine.
The present invention also provides a kind of and has been formed in order on the slot that holds a computer peripheral device in order to carry out the circuit board of hot plug function, and this computer peripheral device has the signal connector of a FDD interface, and this circuit board comprises:
One FDD connector is in order to be connected with this signal connector of this computer peripheral device;
One IDE2 main connector is in order to be connected with this signal connector of this computer peripheral device; And
One signal coupling arrangement, in order to connect a motherboard of a computer system, this motherboard has a Basic Input or Output System (BIOS) and an electronic circuit, and this electronic circuit is in order to this FDD connector and this IDE main connector are connected with this signal coupling arrangement;
Wherein this computer system has a software controller in addition, in order to the signal transmission of controlling this computer system and the power supply of this computer peripheral device, when computer peripheral device needs hot drawing to go out, computer part is carried out following steps to realize hot plug: at first software controller is obtained the information of the position of the computer peripheral device that will transfer to, and then software controller carries out the bolt down procedure of computer peripheral device and stops its power supply;
This computer peripheral device of signal connector that wherein has the signal connector of FDD interface or an ide interface according to this signal connector of its predeterminated position optionally via electronic circuit and device at this FDD signal connector of upper this motherboard and install that one of them is electrically connected at this IED2 connector of upper this motherboard; This signal connecting device that is arranged in this circuit board judges the kind of this computer interfaceJi Suanjijiekou equipment and judged result is sent to this motherboard via electronic circuit by the signal that is electrically connected that electronic circuit produces, again by activating this computer interface equipment with this software controller that this circuit board is connected via electronic circuit.
Described a kind of in order to carry out the circuit board of hot plug function, it is characterized in that: other comprises the secondary connector of an IDE, is formed in order on another slot that holds this computer peripheral device, and the secondary connector of this IDE is in order to be connected with this computer peripheral device.
Described a kind of circuit board in order to execution hot plug function, it is characterized in that: this computer system comprises an operating system in addition, is the authority of checking the user by this software controller, and whether decision allows to start or close this computer peripheral device.
Described a kind of in order to carry out the circuit board of hot plug function, it is characterized in that: this computer peripheral device is floppy drive, Winchester disk drive, read-only optical disc machine, read/writable CD player or numerical digit multifunctional optical disk machine.
After having adopted technique scheme, a kind of computer system of the present invention with hot plug function, its comprise the signal connector with predeterminated position computer peripheral device, have the motherboard of Basic Input or Output System (BIOS) (BIOS), in order to the software controller of the transmission of the signal of controlling computer system and computer peripheral device power supply and be formed in order to the circuit board on the slot that holds computer peripheral device.By the electronic circuit on the circuit board first connector and second connector are connected with the signal coupling arrangement.Optionally one of them is electrically connected computer peripheral device with first connector and second connector according to the signal connector of its predeterminated position, the signal coupling arrangement is judged the kind of computer peripheral device and judged result is sent to motherboard by being electrically connected signal, starts computer peripheral device by software controller again.The present invention does not need complicated soft, hardware to cooperate, the setting of mode flexible combination computer peripheral device that just can hot plug.In addition, the present invention also can cooperate software design to be controlled the security function of hot plug, helps to improve the reliability and the value of computer system.
Below, with embodiment a kind of computer system with hot plug function of the present invention is done further detailed description in conjunction with the accompanying drawings.
Description of drawings
Fig. 1 is the synoptic diagram that the present invention has the computer system of hot plug function.
Fig. 2 is the action calcspar of the computer system of the present invention with hot plug function.
Fig. 3 A is the pin synoptic diagram of the signal coupling arrangement of computer system among the present invention.
Fig. 3 B is the truth table of the signal coupling arrangement of computer system among the present invention.
Fig. 4 A is the process flow diagram that computer peripheral device inserts host computer under the open state.
Fig. 4 B is the process flow diagram that computer peripheral device is transferred to host computer under the open state.
The invention embodiment
Consult Fig. 1, Fig. 1 is the synoptic diagram of computer system of the present invention.As shown in Figure 1, computer system 10 of the present invention by computer peripheral device 12, first slot 14, second slot 16, circuit board 18, have the motherboard 22 of Basic Input or Output System (BIOS) (BIOS) 20, in order to the software controller 24 of transmission of the signal of controlling computer system 10 and computer peripheral device 12 power supplys and provide the operating system 26 of the required security function of hot plug to be formed.Wherein, computer peripheral device 12 has the signal connector 28 of FDD interface or the signal connector 29 of ide interface, in order to be connected with circuit board 18.First slot 14 and second slot 16 are vertical arrangement, in order to hold different types of computer peripheral device 12.Because the connection specification of floppy drive is the FDD interface, and the ide interface that is different from the FDD interface can provide two computer peripheral devices to be connected with main frame, so computer peripheral device 12 can be floppy drive, Winchester disk drive, read-only disc machine (CD-ROM), read/writable CD player (CD-R/W) or numerical digit multifunctional optical disk machine information storage apparatus such as (DVD).The position of circuit board 18 is the positions with respect to first slot 14 and second slot 16, and it comprises electronic circuit (not shown), the signal coupling arrangement 30 in order to connect motherboard 22 and software controller 24, the FDD connector 32 in order to be electrically connected signal connector 28, IDE2 main connector 34 and the secondary connector 36 of IDE2 in order to be electrically connected signal connector 29.Therefore, optionally one of them is electrically connected with the secondary connector of FDD connector 32 or IDE2 main connector 34, IDE2 36 according to the signal connector 28 of its predeterminated position or signal connector 29 for computer peripheral device 12.
Consult Fig. 2, Fig. 2 is the action calcspar of computer system of the present invention.As shown in Figure 2, under the situation of not shutting down, when computer peripheral device 12 inserts first slot 14 or second slot 16, computer system 10 of the present invention can be carried out the following step: at first if computer peripheral device 12 is the FDD interface, then signal connector 28 can be connected with the FDD connector 32 of circuit board 18, if computer peripheral device 12 is an ide interface, then signal connector 29 can one of them be connected with the secondary connector of the IDE2 main connector 34 of circuit board 18 or IDE2 36, secondly the electronic circuit (not shown) of circuit board 18 will be electrically connected signal and be sent to signal coupling arrangement 30, signal coupling arrangement 30 is the kind of Auto-Sensing computer peripheral device 12 just, then Basic Input or Output System (BIOS) 20 obtains the detecting result from signal coupling arrangement 30, software controller 24 is called out Basic Input or Output System (BIOS)s 20 and is also obtained the detecting result, and last software controller 24 provides the required power supply of computer peripheral device 12 and carries out start-up routine according to the detecting result.In like manner, under the situation of not shutting down, will be when first slot 14 or second slot 16 to be transferred to when computer peripheral device 12, computer system 10 of the present invention can be carried out the following steps; At first software controller 24 is obtained the information of the position of the computer peripheral device 12 that will transfer to, and then software controller 24 carries out the bolt down procedure of computer peripheral device 12 and stops its power supply, and last signal connector 28 separates with circuit board 18.In addition, the operating system 26 in the computer system 10 also can be checked user's authority by software controller 24, to determine whether to start or close computer peripheral device 12.
Consult Fig. 3, Fig. 3 is the synoptic diagram of the signal coupling arrangement of computer system of the present invention.Fig. 3 A is the pin synoptic diagram of the signal coupling arrangement of computer system of the present invention.Fig. 3 B is the truth table of the signal coupling arrangement of computer system of the present invention.As shown in Figure 3A, signal coupling arrangement 30 has seven terminal pins, its function division is as follows: when the signal connector 28 of floppy drive is connected with the FDD connector 32 of appliance plate 18, the electronic circuit of circuit board 18 just will be electrically connected signal and be sent to FDD_IN terminal pins 38.Simultaneously, when the IDE2 main connector 34 of the signal connector 29 of IDE device and circuit board 18 or the secondary connector 36 of IDE2 are connected, the electronic circuit of circuit board 18 just will be electrically connected signal and be sent to DEVICE0_IN terminal pins 40 or DEVICE1-IN terminal pins 42.By Fig. 3 B as can be known, the voltage preset value of above-mentioned FDD-IN terminal pins 38, DEVICE0_IN terminal pins 40 and DEVICE1_IN terminal pins 42 is high levle, all transfer low level to once triggering, therefore, by the variation of detecting terminal pins voltage quasi position, signal coupling arrangement 30 just can be judged the position and the kind of the computer peripheral device 12 that is connected with circuit board 18.In addition, judged result will be sent to the Basic Input or Output System (BIOS) 20 and software controller 24 of computer system 10, and software controller 24 will provide the required power supply of computer peripheral device 12 and carry out start-up routine by A_SLOT terminal pins 44 or B_SLOT terminal pins 46.And UNLOCK_A terminal pins 48 and UNLOCK_B terminal pins 50 to be orders with operating system 26 be sent to first slot 14 and second slot 16 that holds computer peripheral device 12, to determine whether to untie the electronic lock (not shown) of first slot 14 and second slot 16.
Consult Fig. 4, Fig. 4 is the process flow diagram that computer system of the present invention is carried out hot plug.Wherein computer system inside provides a simple resident program, and only can need this resident program when needs carry out the hot plug function, the resource of system so resident program can't account for.Fig. 4 A is the process flow diagram that computer peripheral device inserts host computer under the open state.This flow process comprises the following step:
Step 301: computer peripheral device 12 inserts first slot 14 or second slot 16;
Step 302: signal connector 28 or signal connector 29 are connected with circuit board 18;
Step 303: be electrically connected signal and be sent to signal coupling arrangement 30;
Step 304: the kind of signal coupling arrangement 30 Auto-Sensing computer peripheral devices 12;
Step 305: Basic Input or Output System (BIOS) 20 obtains the detecting result from signal coupling arrangement 30;
Step 306: the resident program in the software controller 24 is called out Basic Input or Output System (BIOS) 20 and is obtained the detecting result;
Step 307: resident program shows the information of " input password ";
Step 308: whether the resident program password check is correct;
Step 309: if password is correct, and resident program just is connected computer peripheral device 12 by electronic circuit with computer system 10; Otherwise if password is incorrect, resident program constipation line journey;
Step 310: resident program shows the information of " whether starting computer peripheral device " 12;
Step 311: if user's selection is; Then resident program just provides the required power supply of computer peripheral device 12 and carries out start-up routine by electronic circuit; Otherwise, select not as if the user, then resident program constipation line journey.
Fig. 4 B is the process flow diagram that computer peripheral device is transferred to host computer under the open state.This flow process comprises the following step:
Step 312: the user clicks the diagram of dial-out equipment, and informs the information of the computer peripheral device 12 that computer system 10 will be transferred to;
Step 313: software controller 24 is obtained the information of the position of computer peripheral device 12;
Step 314: the resident program in the software controller 24 shows the information of " input password ";
Step 315: whether the resident program password check is correct;
Step 316: if password is correct, and resident program just stops the required power supply of computer peripheral device 12 and carries out bolt down procedure by electronic circuit; Otherwise if password is incorrect, this flow process of resident program constipation bundle;
Step 317: resident program shows the information of " whether take out and dial computer peripheral device " 12;
Step 318: if use selection is then can transfer to computer peripheral device 12 from slot; Otherwise if the user selects not, then resident program finishes this flow process.
Claims (11)
1, a kind of computer system with hot plug function comprises:
One computer peripheral device, the signal connector with an interface with floppy disk driver, or the signal connector of an Integrated Device Electronics interface;
One motherboard has a Basic Input or Output System (BIOS);
One software controller is connected with this motherboard, transmits in order to the signal of controlling this computer system, and is used to control the ON/OFF of this computer peripheral device power supply; And
One circuit board, be formed in order on the plug groove that holds this computer peripheral device, this circuit board comprises the connector of a floppy disk, the main connector of an Integrated Device Electronics, and the signal coupling arrangement that is connected with the main connector of the connector of this floppy disk and Integrated Device Electronics;
Wherein, this computer peripheral device is by the signal connector that it had, optionally with this circuit board on the connector of floppy disk and the main connector of Integrated Device Electronics the two one of be electrically connected, to be connected on the described circuit board;
This signal coupling arrangement also is connected with this motherboard, be used for being electrically connected according to the described computer peripheral device and the described of this circuit board that detect via electronic circuit, produce one and be used to judge the position of the signal connector that is connected and the detection signal of kind, and this detection signal is sent to the Basic Input or Output System (BIOS) of this motherboard;
This software controller, according to this detection signal from this Basic Input or Output System (BIOS), open the power supply of this computer peripheral device, perhaps, close the power supply of this computer peripheral device according to extracting the signal of this computer peripheral device from showing of computer system and showing the position of signal connector of this computer peripheral device and the detection signal of kind.
2, a kind of computer system with hot plug function as claimed in claim 1 is characterized in that: also comprise an operating system, check user's authority by this software controller, whether decision allows to start or close this computer peripheral device.
3, a kind of computer system as claimed in claim 1 with hot plug function, it is characterized in that: this circuit board comprises the secondary connector of an Integrated Device Electronics in addition, it is formed in order on another slot that holds this computer peripheral device, and the secondary connector of this Integrated Device Electronics is in order to be connected with this computer peripheral device.
4, a kind of computer system with hot plug function as claimed in claim 1 is characterized in that: this computer peripheral device is floppy drive, Winchester disk drive, read-only optical disc machine, read/writable CD player or numerical digit multifunctional optical disk machine.
5, a kind of in order to carry out the circuit board of hot plug function, it is formed in order on the slot that holds a computer peripheral device, this computer peripheral device has the signal connector of an interface with floppy disk driver, or the signal connector of an Integrated Device Electronics interface, and this circuit board comprises:
The connector of one floppy disk is in order to be connected with the corresponding signal connector of this computer peripheral device;
One Integrated Device Electronics main connector is in order to be connected with the corresponding signal connector of this computer peripheral device; And
One signal coupling arrangement, in order to connect a motherboard of a computer system, this motherboard has a Basic Input or Output System (BIOS), and
One electronic circuit, this electronic circuit are in order to the connector of this floppy disk and the main connector of this Integrated Device Electronics are connected with this signal coupling arrangement;
Wherein, this computer peripheral device is by the signal connector that it had, optionally with this circuit board on the connector of floppy disk and the main connector of Integrated Device Electronics the two one of be electrically connected, to be connected on the described circuit board;
This signal coupling arrangement, be electrically connected according to described computer peripheral device that detects via electronic circuit and the described of this circuit board, produce one and be used to judge the position of the signal connector that is connected and the detection signal of kind, and this detection signal is sent to this motherboard, so that this computer system is controlled the switch of the power supply of this computer peripheral device.
6, as claimed in claim 5 a kind of in order to carry out the circuit board of hot plug function, it is characterized in that: other comprises the secondary connector of an Integrated Device Electronics, be formed in order on another slot that holds this computer peripheral device, the secondary connector of this Integrated Device Electronics is in order to be connected with this computer peripheral device.
7, as claimed in claim 5 a kind of in order to carry out the circuit board of hot plug function, it is characterized in that: this computer system comprises an operating system in addition, be the authority of checking the user by this software controller, whether decision allows to start or close this computer peripheral device.
8, as claimed in claim 5 a kind of in order to carry out the circuit board of hot plug function, it is characterized in that: this computer peripheral device is floppy drive, Winchester disk drive, read-only optical disc machine, read/writable CD player or numerical digit multifunctional optical disk machine.
9, a kind of method that is used to realize the hot plug function of computer peripheral device, wherein this computer peripheral device has a signal connector of an interface with floppy disk driver, or the signal connector of an Integrated Device Electronics interface, and be connected with a computer system, this computer system comprises: one has the motherboard of a Basic Input or Output System (BIOS); One software controller is connected with this motherboard, transmits in order to the signal of controlling this computer system, and is used to control the ON/OFF of this computer peripheral device power supply; An and circuit board, be formed in order on the plug groove that holds this computer peripheral device, this circuit board comprises the connector of a floppy disk that is used for being connected with this computer peripheral device and the main connector of Integrated Device Electronics, and the signal coupling arrangement that is connected with the main connector of the connector of this floppy disk and an Integrated Device Electronics, wherein, this method comprises:
A) when this computer peripheral device inserted slot, the corresponding connector on the signal connector that this computer peripheral device had and this circuit board was electrically connected, and generated one and was electrically connected signal:
B) the signal coupling arrangement on this circuit board is electrically connected signal according to this, generates the position of the signal connector of representing this computer peripheral device and the detection signal of kind, and this detection signal is sent to the motherboard of computer system;
C) software controller in the computer system provides the required power supply of this computer peripheral device and carries out start-up routine according to this detection signal from this motherboard.
10, as method as described in the claim 9, it is characterized in that: when this computer peripheral device is transferred to by this slot, also comprise:
Acquisition is from the position of the signal connector of this computer peripheral device of this computer system and the detection signal of kind;
Carry out the bolt down procedure of this computer peripheral device and stop its power supply; And
Allow the signal connector of this computer peripheral device to separate with this circuit board.
11, as claim 9 or 10 described methods, wherein also comprise it being the authority of checking the user by this software controller, whether decision allows to start or close this computer peripheral device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB001246488A CN100361114C (en) | 2000-09-26 | 2000-09-26 | Computer system with warm connection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB001246488A CN100361114C (en) | 2000-09-26 | 2000-09-26 | Computer system with warm connection function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1346099A CN1346099A (en) | 2002-04-24 |
| CN100361114C true CN100361114C (en) | 2008-01-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB001246488A Expired - Fee Related CN100361114C (en) | 2000-09-26 | 2000-09-26 | Computer system with warm connection function |
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| Country | Link |
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| CN (1) | CN100361114C (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1299212C (en) * | 2003-06-06 | 2007-02-07 | 英业达股份有限公司 | Computer system with external memory dynamic storage |
| CN100345119C (en) * | 2004-05-25 | 2007-10-24 | 广达电脑股份有限公司 | Blade server |
| US7519693B2 (en) * | 2004-11-18 | 2009-04-14 | International Business Machines Corporation | Apparatus, system, and method for integrating an enclosure |
| CN101271411B (en) * | 2007-03-20 | 2010-05-19 | 联想(北京)有限公司 | Hot-plug protection system and method |
| CN104598789B (en) * | 2015-02-15 | 2018-02-27 | 联想(北京)有限公司 | A kind of guard method of warm connection function module device and electronic equipment |
| CN113778915B (en) * | 2020-06-09 | 2023-10-10 | 慧荣科技股份有限公司 | Method for producing solid state disk and computer readable storage medium and device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5634075A (en) * | 1995-01-11 | 1997-05-27 | Cirrus Logic, Inc. | Backward compatibility for plug and play systems |
| US5974554A (en) * | 1997-02-14 | 1999-10-26 | Samsung Electronics Co., Ltd. | Computer system with automatic configuration capability for industry standard architecture(ISA) cards |
-
2000
- 2000-09-26 CN CNB001246488A patent/CN100361114C/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5634075A (en) * | 1995-01-11 | 1997-05-27 | Cirrus Logic, Inc. | Backward compatibility for plug and play systems |
| US5974554A (en) * | 1997-02-14 | 1999-10-26 | Samsung Electronics Co., Ltd. | Computer system with automatic configuration capability for industry standard architecture(ISA) cards |
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| CN1346099A (en) | 2002-04-24 |
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Owner name: WEICHUANG ZITONG CO., LTD. Free format text: FORMER OWNER: NONE Effective date: 20020704 Owner name: HONHQI CO., LTD. Free format text: FORMER OWNER: ACER COMPUTER CO., LTD. |
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Effective date of registration: 20020704 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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