CN100435125C - Automatic regulating method and system for bus width - Google Patents
Automatic regulating method and system for bus width Download PDFInfo
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- CN100435125C CN100435125C CNB2005101353266A CN200510135326A CN100435125C CN 100435125 C CN100435125 C CN 100435125C CN B2005101353266 A CNB2005101353266 A CN B2005101353266A CN 200510135326 A CN200510135326 A CN 200510135326A CN 100435125 C CN100435125 C CN 100435125C
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Abstract
This invention discloses a automatically adjustment method by which the width of the main line can be adjusted and system, and it can be applied into the platform of the computer, this makes the computer platform has the function which the width of the main line can be adjusted automatically. The method is that the main line of the interface controller can be divided into two half width main line in advance, and on the actual operation it can automatically examine the pin state of the computer platform's extended card, so it can produce a group corresponding switch signal and the two half width main lines switch to online and connect to the same or two different slot. By this invention the users can randomly insert an extended card to one of the computer's slots, or selectively insert tow extended card to two different slots, and the extended cards all can form online running station with the main line.
Description
Technical field
The invention relates to a kind of computer hardware technology, particularly about a kind of highway width automatic adjustment system, be applied to a computer platform, for example personal computer or server provide a highway width to adjust function automatically to this computer platform.
Background technology
PCI (Peripheral Component Interconnect) is a kind of peripheral component interconnect express commonly used on the computer platform, it can be connected to the central processing unit of computer platform one circuit board, be connected to various computing machine peripheral equipments by this circuit board, for example display, hard disk, CD-ROM drive, network switch etc., central processing unit can carry out exchanges data with these peripheral equipments.The PCI standard has been worked out one group of STD bus signal, makes central processing unit carry out exchanges data with peripheral equipment on circuit board.But on concrete the application, along with the maturation and the development of technology, the PCI standard has comprised some extensibility standards again, for example PCI-E (PCI Express), it is based on original PCI structure and makes some extensibility functions expansions, makes data rate faster than traditional PCI bus.
The bus-structured characteristics of PCI-E are that it can support the expansion card of various different bus width, for example 1 (x1), 4 (x4), 8 (x8) and 16 (x16) highway widths.When practical application, the slot use that the expansion card of less highway width can be planted big highway width.For instance, it is the slot use of 4 highway widths equally that 4 highway width expansion cards not only can be planted, and the slot of 8 or 16 highway widths of also can planting uses.In other words, if there is a computer motherboard to be provided with the slot of 8 highway widths, promptly optionally the peg graft expansion card of 8 or 4 highway widths of this slot.
But on concrete enforcement, the bus-structured problem of above-mentioned PCI-E is, if the PCI-E interface controller on the computer motherboard is 8 buses, these 8 buses can only have 2 kinds of online designs: the 1st kind of mode is the slot that it all is connected to 8 highway widths; The 2nd kind of mode is to be divided into two 4 buses, again these two 4 buses is connected respectively to two different slots.If adopt the 2nd kind of mode, the expansion card quantity on it is pegged graft all can only utilize 4 bit width buses to carry out data transmission; Even the expansion card in the grafting has only one, this expansion card also can only use 4 and can't use 8 bit width buses and carry out data transmission.Therefore, when only pegging graft a slice expansion card, just can not utilize system resource to carry out data transmission with top efficiency.
Summary of the invention
For overcoming the shortcoming of above-mentioned prior art, fundamental purpose of the present invention is to provide a kind of highway width automatic adjusting method and system, the automatic adjustment function of one highway width is provided, PCI-E interface controller on the computer motherboard can make the expansion card of grafting utilize system resource to carry out data transmission with top efficiency with different its highway widths of expansion card grafting quantity conversion.
Highway width automatic adjusting method of the present invention and system applies are to a computer platform, for example personal computer or server, provide a highway width to adjust function automatically to this computer platform, the expansion card in the grafting can more effectively utilize the system resource of top efficiency to carry out data transmission.
Highway width automatic adjustment system of the present invention comprises at least: (A) one switches control signal generating module, detect the expansion card plant state on this first expresscard slot and this second expresscard slot, produce one group of corresponding switch-over control signal according to testing result; And (B) all die change pieces, respond the switch-over control signal that this switch-over control signal generation module produces, with the first half buses of this interface controller and the second half bus selection connect to the first half buses and the second half buses of this first expresscard slot and this second expresscard slot, carry out following switching by this handover module: when (switching operation modes 1) all is expansion card plant state in this first expresscard slot and this second expresscard slot, the first half buses of this interface controller are connected to the first half buses of this first expresscard slot, simultaneously the second half buses of this interface controller are connected to the first half buses of this second expresscard slot; (switching operation modes 2) is that expansion card plant state but this second expresscard slot are when being idle state in this first expresscard slot, the first half buses of this interface controller are connected to the first half buses of this first expresscard slot, simultaneously the second half buses of this interface controller are connected to the second half buses of this first expresscard slot; And (switching operation modes 3) is that expansion card plant state but this first expresscard slot are when being idle state in this second expresscard slot, the first half buses of this interface controller are connected to the first half buses of this second expresscard slot, simultaneously the second half buses of this interface controller are connected to the second half buses of this second expresscard slot, wherein this handover module comprises at least: one first switch, one second switch, one the 3rd switch and one the 4th switch, wherein each switch all has a unidirectional link, one first switches link, one second switches a link and a control end, and wherein the connected mode of this first switch is the first half buses that its unidirectional link are connected to this interface controller, it first is switched the first half buses that link is connected to this second expresscard slot, its second switching link is connected to second of the 3rd switch switches link, and its control end is connected the switch-over control signal that this switch-over control signal generation module of reception sends; The connected mode of this second switch is the second half buses that its unidirectional link are connected to this interface controller, its first switching link is connected to first of the 3rd switch switches link, it second is switched the unidirectional link that link is connected to the 4th switch, and its control end connected receive the switch-over control signal that this switch-over control signal generation module sends; The connected mode of the 3rd switch is the first half buses that its unidirectional link are connected to this first expresscard slot, its first switching link is connected to first of this second switch switches link, its second switching link is connected to second of this first switch switches link, and its control end is connected the switch-over control signal that this switch-over control signal generation module of reception sends; The connected mode of the 4th switch is its unidirectional link to be connected to second of this second switch switch link, it first is switched the second half buses that link is connected to this second expresscard slot, it second is switched the second half buses that link is connected to this first expresscard slot, and its control end connected receive the switch-over control signal that this switch-over control signal generation module sends.
Highway width automatic adjustment system of the present invention is divided into the bus on the PCI-E interface controller bus of two one half widths in advance, and when practical operation, detect the expansion card inserting state on the PCI-E slot in this computer platform automatically, produce one group of corresponding switch-over control signal and the bus of two one half widths on the PCI-E interface controller is switched to connect to same slot or two different slots.The present invention can allow the user optionally an expansion card is plugged into a PCI-E slot on the computer motherboard or optionally two PCI-E expansion cards is plugged into two different PCI-E slots respectively, and expansion card can all and form the normal bus on line state that moves between the interface controller.
Description of drawings
Fig. 1 is that highway width automatic adjustment system of the present invention is applied to the bus-structured application mode synoptic diagram of a PCI-E;
Fig. 2 is the inner basic system structure synoptic diagram of the modularization of highway width automatic adjustment system of the present invention;
Fig. 3 is an embodiment synoptic diagram of the switch-over control signal generation module logic circuit structure of highway width automatic adjustment system employing of the present invention;
Fig. 4 is the exemplary table of a switching mode of highway width automatic adjustment system employing of the present invention to the control signal corresponding tables.
Embodiment
Embodiment
Following conjunction with figs. describes the embodiment of highway width automatic adjusting method of the present invention and system in detail.
Fig. 1 is the application mode of highway width automatic adjustment system of the present invention (as the square of label 100 fingers).As shown in the figure, highway width automatic adjustment system 100 of the present invention is applied to the computer motherboard 2 of a computer platform 1, wherein this computer motherboard 2 has the bus structure of a particular form, this highway width automatic adjustment system comprises: an interface controller 30 and at least two expresscard slot, and two expresscard slot comprise: one first expresscard slot 10 and one second expresscard slot 20; Wherein the bus on this first expresscard slot 10 and this second expresscard slot 20 all is divided into one the first half bus 11,21 and one the second half bus 12,22 respectively; This interface controller 30 also relatively is divided into one the first half bus 31 and one the second half bus 32, and (annotate: in order to simplify accompanying drawing and explanation, Fig. 1 only exemplarily shows 2 slots and the hardware device relevant with the present invention; On concrete enforcement, this computer motherboard 2 also comprises many other various hardware device, for example central processing unit, internal memories etc.).On concrete enforcement, this computer platform 1 is personal computer or server, and this interface controller 30 is a PCI-E (PCI Express, wherein PCI=Peripheral Component Interconnect) formula interface controllers; The first half buses 11,21,12,22,31 on this first expresscard slot 10, second expresscard slot 20 and the interface controller 30 all are respectively 4 bit width buses; Equally, this second half bus 12,22,32 also is respectively 4 bit width buses; Generally, the bus overall width on interface controller 30, first expresscard slot 10 and second expresscard slot 20 is 8.But in practical application, the bus overall width that highway width automatic adjusting method of the present invention and system 100 are suitable for can be 12,16,24,32,64 or higher.
When practical application, different expansion card inserting mode on highway width automatic adjustment system of the present invention 100 these first expresscard slot 10 of response and this second expresscard slot 20, optionally the first half buses 31 of this PCI-E interface controller 30 and the second half buses 32 are connected to the first half buses 11,21 and the second half buses 12,22 on first expresscard slot 10 and second expresscard slot 20, it comprises following 3 kinds of switching operation modes:
Switching operation modes 1: all plugged expansion card respectively at 41,42 o'clock in first expresscard slot 10 and second expresscard slot 20, the first half buses 31 of this PCI-E interface controller 30 are connected to the first half buses 11 of this first expresscard slot 10, simultaneously the second half buses 32 of this PCI-E interface controller 30 are connected to the first half buses 21 of this second expresscard slot 20, make the expansion card of plugging 41,42 all utilize 4 buses to carry out data transmission.
Switching operation modes 2: plug first expansion card 41 in this first expresscard slot 10, but when this second expresscard slot 20 is idle, the first half buses 31 of this PCI-E interface controller 30 are connected to the first half buses 11 of this first expresscard slot 10, simultaneously the second half buses 32 of this PCI-E interface controller 30 are connected to the second half buses 12 of this first expresscard slot 10, make first expansion card of plugging 41 utilize 8 buses to carry out data transmission.
Switching operation modes 3: plug second expansion card 42 in this second expresscard slot 20, but when this first expresscard slot 10 is idle, the first half buses 31 of this PCI-E interface controller 30 are connected to the first half buses 21 of this second expresscard slot 20, simultaneously the second half buses 32 of this PCI-E interface controller 30 are connected to the second half buses 22 of this second expresscard slot 20, make second expansion card of plugging 42 utilize 8 buses to carry out data transmission.
As shown in Figure 2, the inner basic structure of the modularization of highway width automatic adjustment system 100 of the present invention comprises at least: (A) one switches control signal generating module 110; And (B) all die change pieces 120.Below illustrate respectively the individual attribute of each composition module 110,120 in the highway width automatic adjustment system 100 of the present invention and function with and between mutual contact mode.
Switch-over control signal generation module 110 detects this first expresscard slot 10 and whether is connected expansion card 41,42 with this second expresscard slot 20, expansion card plant signal PRESENT1_L and PRESENT2_L according to first expresscard slot 10 and second expresscard slot 20 are sent produce one first switch-over control signal S1 and one second switch-over control signal S2.On concrete enforcement, when first expresscard slot 10 was planted last first expansion card 41, it can cut off the 3.3V voltage that a system voltage (VDD) provides, and produces a logic low potential signal PRESENT1_L; Be PRESENT1_L=0 to represent first expresscard slot 10 are expansion card plant states, it is idle states that PRESENT1_L=1 represents first expresscard slot 10.Equally, when second expresscard slot 20 is plugged second expansion card 42, it can produce a logic low potential signal PRESENT2_L, be that to represent second expresscard slot 20 are expansion card plant states to PRESENT1_L=0, it is that idle state (it should be noted that herein that PRESENT1_L=1 represents second expresscard slot 20, representing expansion card plant state and represent the slot idle state with the logic high potential signal with the logic low potential signal, only is the method that present embodiment adopts; On concrete enforcement, also can represent expansion card plant state and represent the slot idle state with the logic high potential signal conversely) with the logic low potential signal.When practical operation, signal PRESENT1_L and PRESENT2_L that these switch-over control signal generation module 110 response first expresscard slot 10 and second expresscard slot 20 produce], produce one group of switch-over control signal S1, S2, S1=(PRESENT1_L) XOR (PRESENT2_L) wherein, S2=PRESENT2_L.Fig. 3 shows a kind of Logic Circuit Design mode of this switch-over control signal generation module 110, promptly adopts an XOR lock 111 to try to achieve S1; Fig. 4 shows the logical relation between [PRESENT1_L, PRESENT2_L] and [S1, S2].
Switch-over control signal S1, S2 that the above-mentioned switch-over control signal generation module 110 of handover module 120 responses produces carry out above-mentioned 3 kinds of switching operation modes.On concrete enforcement, this handover module 120 comprises as shown in Figure 2: one first switch (SW1) 121, one second switch (SW2) 122, one the 3rd switch (SW3) 123 and one the 4th switch (SW4) 124, and wherein each switch 121,122,123,124 all has a unidirectional link P0, one first switching link P1, one second switches a link P2 and a control end CS; Wherein this unidirectional link P0, the first switching link P1 and second switch link P2 and are used for being connected 4 bit width buses.
The connected mode of first switch 121 is the first half buses 31 that its unidirectional link P0 are connected to this PCI-E interface controller 30, it first is switched the first half buses 21 that link P1 is connected to this second expresscard slot 20, its second switching link P2 is connected to second of the 3rd switch 123 switches link P2, and its control end CS is connected the second switch-over control signal S2 that this switch-over control signal generation module 110 of reception sends.
The connected mode of second switch 122 is the second half buses 32 that its unidirectional link P0 are connected to this PCI-E interface controller 30, its first switching link P1 is connected to first of the 3rd switch 123 switches link P1, it second is switched the unidirectional link P0 that link P2 is connected to the 4th switch 124, and its control end CS connected receive the first switch-over control signal S1 that this switch-over control signal generation module 110 sends.
The connected mode of the 3rd switch 123 is the first half buses 11 that its unidirectional link P0 are connected to this first expresscard slot 10, its first switching link P1 is connected to first of this second switch 122 switches link P1, its second switching link P2 is connected to second of this first switch 121 switches link P2, and its control end CS is connected the second switch-over control signal S2 that this switch-over control signal generation module 110 of reception sends.
The connected mode of the 4th switch 124 is its unidirectional link P0 to be connected to second of this second switch 122 switch link P2, it first is switched the second half buses 22 that link P1 is connected to this second expresscard slot 20, it second is switched the second half buses 22 that link P2 is connected to this first expresscard slot, and its control end CS connected receive the second switch-over control signal S2 that this switch-over control signal generation module 110 sends.
The blocked operation mode of above-mentioned each switch 121,122,123,124 is connected to first with its unidirectional link P0 and switches link P1 when its control end signal CS=0; When CS=1, its unidirectional link P0 is connected to second switches link P2.Fig. 4 shows the blocked operation mode of each switch 121,122,123,124 and the corresponding relation that its control end CS receives switch-over control signal S1, S2 respectively.
The present invention also provides a kind of highway width automatic adjusting method, be applied in a computer platform, provide a highway width to adjust function automatically to this computer platform, this computer platform has the bus structure of a particular form, at least have an interface controller 30 and one first expresscard slot 10 and one second expresscard slot 20, this first expresscard slot 10 and these second expresscard slot, 20 buses all are divided into one the first half bus 11 in advance, 21 and 1 the second half bus 12,22, these interface controller 30 buses also are divided into one the first half bus 31 and one the second half bus 32 in advance.
This highway width automatic adjusting method is to comprising less: when this first expresscard slot 10 all is expansion card plant state with this second expresscard slot 10, the first half buses 31 of this interface controller 30 are connected to the first half buses 11 of this first expresscard slot 10, and simultaneously the second half buses 32 of this interface controller 30 are connected to the first half buses 12 of this second expresscard slot.
In this first expresscard slot 10 are expansion card plant states, but when this second expresscard slot 20 is idle state, the first half buses 31 of this interface controller 30 are connected to the first half buses 11 of this first expresscard slot 10, and simultaneously the second half buses 32 of this interface controller 30 are connected to the second half buses 12 of this first expresscard slot 10.
In this second expresscard slot 20 are expansion card plant states, but when this first expresscard slot 10 is idle state, the first half buses 31 of this interface controller 30 are connected to the first half buses 21 of this second expresscard slot 20, and simultaneously the second half buses 32 of this interface controller 30 are connected to the second half buses 22 of this second expresscard slot 20.
Below utilize 3 application examples that the mode of operation of highway width automatic adjustment system 100 of the present invention when practical application is described.In the 1st application example, suppose to have 2 expansion cards 41,42 to be inserted in first expresscard slot 10 and second expresscard slot 20 respectively; In the 2nd application example, supposing to have only 1 expansion card 41 to be inserted in first expresscard slot, 10, the second expresscard slot 20 is idle states; In the 3rd application example, supposing to have only 1 expansion card 42 to be inserted in second expresscard slot, 20, the first expresscard slot 10 is idle states.
In the 1st application example, when 2 expansion cards 41,42 are inserted on first expresscard slot 10 and second expresscard slot 20 respectively, connected state between first expresscard slot 10 and second expresscard slot 20 and the system voltage (VDD) is cut off, produce one group of logic low potential signal [PRESENT1_L, PRESENT2_L=[0,0], switch-over control signal generation module 110 output [S1, S2]=[0,0].Therefore as shown in Figure 4, [S1, S2]=[0,0] signal condition makes first switch 121, second switch 122 and the 3rd switch 123 all form the connection status (connection status of the 4th switch 124 is unimportant) of P0-P1, the first half buses 31 of PCI-E interface controller 30 are connected to the first half buses 21 of second expresscard slot 20, and the second half buses 32 of PCI-E interface controller 30 are connected to the first half buses 11 of first expresscard slot 10 simultaneously; It is the bus on line state that forms a half width (4) between the PCI-E interface controller 30 and first expresscard slot 10 and second expresscard slot 20 respectively.
In the 2nd application example, when one first expansion card 41 be inserted into first expresscard slot 10, when second expresscard slot 20 is idle, it can make [PRESENT1_L, PRESENT2_L=[0,1], switch-over control signal generation module 110 is responsively exported [S1, S2]=[1,1].Therefore as shown in Figure 4, [S1, S2]=[1,1] signal condition will make first switch 121, second switch 122, the 3rd switch 123 and the 4th switch 124 all form the connection status of P0-P2, the first half buses 31 of PCI-E interface controller 30 are connected to the first half buses 11 of first expresscard slot 10, simultaneously the second half buses 32 of PCI-E interface controller 30 are connected to the second half buses 12 of first expresscard slot 10, promptly equal the bus 31 that PCI-E interface controller 30 is all, 32 all are connected to the bus 11 of first expresscard slot 10,12, form an overall width (8 s') bus on line state.
In the 3rd application example, when one second expansion card 42 be inserted into second expresscard slot 20, when first expresscard slot 10 is idle, it can make [PRESENT1_L, PRESENT2_L=[1,0], switch-over control signal generation module 110 is responsively exported [S1, S2]=[1,0].Therefore as shown in Figure 4, [S1, S2]=[1,0] signal condition makes first switch 121 and the 4th switch 124 form the connection status of P0-P1, second switch 122 forms the connection status (connection status of the 3rd switch 123 is unimportant) of P0-P2, the first half buses 31 of PCI-E interface controller 30 are connected to the first half buses 21 of second expresscard slot 20, simultaneously the second half buses 32 of PCI-E interface controller 30 are connected to the second half buses 22 of second expresscard slot 20, promptly equal the bus 31 that PCI-E interface controller 30 is all, 32 all are connected to the bus 21 of second expresscard slot 20,22, form an overall width (8 s') bus on line state.
Though above-mentioned example is to be that 8 bus is the example explanation with overall width, in practical application, the bus overall width that highway width automatic adjusting method of the present invention and system 100 are suitable for can be 12,16,24,32,64 or higher.
In sum, the invention provides a kind of highway width automatic adjusting method and system, be applied to a computer platform, provide a highway width to adjust function automatically this computer platform; The bus that in advance bus on the PCI-E interface controller is divided into two one half widths, and when practical operation, detect expansion card inserting state on this computer platform PCI-E slot automatically, produce one group of corresponding switch-over control signal, two one half width buses on the PCI-E interface controller are switched to connect to same slot or two different slots.The present invention can allow the user arbitrarily an expansion card is inserted into a PCI-E slot on the computer motherboard or optionally two PCI-E expansion cards is plugged into two different PCI-E slots respectively, expansion card can and interface controller between form the bus on line state of normal operation.Therefore, the present invention has more advance and practicality than prior art.
Claims (4)
1. highway width automatic adjustment system, be applied to a computer platform, provide a highway width to adjust function automatically to this computer platform, it is characterized in that, this computer platform has the bus structure of a particular form, described bus structure have at least one interface controller and one first expresscard slot and one second expresscard slot, the bus of this first expresscard slot and this second expresscard slot all is divided into one the first half bus and one the second half bus in advance, and the bus of this interface controller also is divided into one the first half bus and one the second half bus in advance; This highway width automatic adjustment system comprises at least:
One switches control signal generating module, detects the expansion card plant state on this first expresscard slot and this second expresscard slot, produces one group of corresponding switch-over control signal according to testing result; And
All die change pieces, respond the switch-over control signal that this switch-over control signal generation module produces, with the first half buses of this interface controller and the second half bus selection connect to the first half buses and the second half buses of this first expresscard slot and this second expresscard slot, carry out following switching by this handover module:
When this first expresscard slot and this second expresscard slot all are expansion card plant state, the first half buses of this interface controller are connected to the first half buses of this first expresscard slot, simultaneously the second half buses of this interface controller are connected to the first half buses of this second expresscard slot;
In this first expresscard slot is that expansion card plant state but this second expresscard slot are when being idle state, the first half buses of this interface controller are connected to the first half buses of this first expresscard slot, simultaneously the second half buses of this interface controller are connected to the second half buses of this first expresscard slot; And
In this second expresscard slot is that expansion card plant state but this first expresscard slot are when being idle state, the first half buses of this interface controller are connected to the first half buses of this second expresscard slot, simultaneously the second half buses of this interface controller are connected to the second half buses of this second expresscard slot
Wherein this handover module comprises at least: one first switch, one second switch, one the 3rd switch and one the 4th switch, wherein each switch all has a unidirectional link, one first switches link, one second switches a link and a control end, and wherein the connected mode of this first switch is the first half buses that its unidirectional link are connected to this interface controller, it first is switched the first half buses that link is connected to this second expresscard slot, its second switching link is connected to second of the 3rd switch switches link, and its control end is connected the switch-over control signal that this switch-over control signal generation module of reception sends; The connected mode of this second switch is the second half buses that its unidirectional link are connected to this interface controller, its first switching link is connected to first of the 3rd switch switches link, it second is switched the unidirectional link that link is connected to the 4th switch, and its control end connected receive the switch-over control signal that this switch-over control signal generation module sends; The connected mode of the 3rd switch is the first half buses that its unidirectional link are connected to this first expresscard slot, its first switching link is connected to first of this second switch switches link, its second switching link is connected to second of this first switch switches link, and its control end is connected the switch-over control signal that this switch-over control signal generation module of reception sends; The connected mode of the 4th switch is its unidirectional link to be connected to second of this second switch switch link, it first is switched the second half buses that link is connected to this second expresscard slot, it second is switched the second half buses that link is connected to this first expresscard slot, and its control end connected receive the switch-over control signal that this switch-over control signal generation module sends.
2. highway width automatic adjustment system as claimed in claim 1 is characterized in that, the kind of this computer platform comprises: personal computer and server.
3. highway width automatic adjustment system as claimed in claim 1 is characterized in that, these bus structure are PCI-E formula bus structure.
4. highway width automatic adjustment system as claimed in claim 1, it is characterized in that, this switch-over control signal generation module comprises: an XOR lock, expansion card plant state and the corresponding logical signal that produces of idle state to this first expresscard slot and this second expresscard slot carry out an xor logic computing, and the logical signal of its computing gained are outputed to the control end of this second switch; And the expansion card plant state of this second expresscard slot and the corresponding logical signal that produces of idle state are directly outputed to the control end of this first switch, the 3rd switch and the 4th switch.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2005101353266A CN100435125C (en) | 2005-12-20 | 2005-12-20 | Automatic regulating method and system for bus width |
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| CNB2005101353266A CN100435125C (en) | 2005-12-20 | 2005-12-20 | Automatic regulating method and system for bus width |
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| CN1987840A CN1987840A (en) | 2007-06-27 |
| CN100435125C true CN100435125C (en) | 2008-11-19 |
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| CN104317763A (en) * | 2014-10-29 | 2015-01-28 | 华为数字技术（苏州）有限公司 | Serial signal combination device, serial signal combination system and serial signal combination method |
| CN110008159A (en) * | 2019-04-11 | 2019-07-12 | 苏州浪潮智能科技有限公司 | PCIE width automatic adaptation method, device and electronic equipment and storage medium |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5898628A (en) * | 1996-04-19 | 1999-04-27 | Altera Corporation | Data transfer circuit |
| CN1624674A (en) * | 2003-11-06 | 2005-06-08 | 戴尔产品公司 | Dynamic reconfiguration of PCI EXPRESS links |
| CN1645347A (en) * | 2004-11-15 | 2005-07-27 | 威盛电子股份有限公司 | Transmitting data method for dynamic regulating root port of high speed peripheral element connecting interface |
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- 2005-12-20 CN CNB2005101353266A patent/CN100435125C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5898628A (en) * | 1996-04-19 | 1999-04-27 | Altera Corporation | Data transfer circuit |
| CN1624674A (en) * | 2003-11-06 | 2005-06-08 | 戴尔产品公司 | Dynamic reconfiguration of PCI EXPRESS links |
| CN1645347A (en) * | 2004-11-15 | 2005-07-27 | 威盛电子股份有限公司 | Transmitting data method for dynamic regulating root port of high speed peripheral element connecting interface |
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| CN1987840A (en) | 2007-06-27 |
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