CN101382925B - Method for dynamically allocating vertical card chain circuit width - Google Patents
Method for dynamically allocating vertical card chain circuit width Download PDFInfo
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- CN101382925B CN101382925B CN2007101469948A CN200710146994A CN101382925B CN 101382925 B CN101382925 B CN 101382925B CN 2007101469948 A CN2007101469948 A CN 2007101469948A CN 200710146994 A CN200710146994 A CN 200710146994A CN 101382925 B CN101382925 B CN 101382925B
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Abstract
The present invention discloses a method for dynamically distributing vertical card link width, which is applicable to a system containing a vertical card. In the method, the quantity and the position of inserting cards inserted in a vertical card slot are firstly detected so as to determine the link width distributed for every inserting card. A re-aligning action of the link width is executed according to the link width distributed for every slot so as to provide appropriate link width for the use of every inserting card. Therefore, the method can achieve the optimization of the distribution of the link width without being limited by the type and the quantity of the inserting cards configured on the vertical card, thus being capable of not only saving the design cost of the vertical cards but also improving the convenience for use and management of the vertical cards.
Description
Technical field
The invention relates to a kind of distribution method of logic, and particularly erect the method for chain jamming degree of having a lot of social connections relevant for a kind of dynamic assignment.
Background technology
Perpendicular card (riser card) is a kind of interface expansion cards, is commonly used on the less computer system of enclosure space, as the mini Barebone or the formula server that lies low.These computer systems are because the problem of spatial design, it is limited to be used for the space of PCI allocation slot on its mainboard, if the user need use more pci interface card, just must use perpendicular the card, connect many modes by one, the PCI slot is extended to more than two from one.
It should be noted that, each slot on the mainboard all needs to set its interrupt request (InterruptRequest, IRQ), and the slot number that perpendicular card is gone up configuration also must be decided on the link width (link width) that chipset (chipset) can be supported, with the chipset that can support 16 link widths, the design of its perpendicular card comprises:
Perpendicular card 0: the peripheral part that disposes 44 link widths (x4) connects (Peripheral ComponentInterconnect Express, PCI-E) slot at a high speed;
Perpendicular card 1: the PCI-E slot that disposes two 4 link widths (x4) and one 8 link width (x8);
Perpendicular card 2: the PCI-E slot that disposes two 8 link widths (x8);
Perpendicular card 3: the PCI-E slot that disposes one 16 link width (x16).
Fig. 1 illustrate has the system block diagrams of the perpendicular card of two PCI-E slots for conventional arrangement.Please refer to Fig. 1, comprise in the system 100 and dispose control chip 110, perpendicular card 120 and South Bridge chip 130.Wherein, control chip 110 can be the north bridge chips that can support 16 link widths, it comprises that with this 16 link width cutting be 44 link widths (x4), and respectively by PCI-E bridge 0, PCI-E bridge 1, PCI-E bridge 2 and 3 controls of PCI-E bridge.After perpendicular card 120 insertion systems 100, owing to only dispose PCI-E slot 0 and PCI-E slot 1 on the perpendicular card 120, therefore, control chip 110 also with its PCI-E bridge mean allocation to PCI-E slot 0 and PCI-E slot 1 these two slots, and allow PCI-E slot 0 and 1 link width that can use of PCI-E slot be all 8 link widths (x8).It should be noted that, also dispose a bus controller 123 (Bus controller) on the perpendicular card 120, it sees through internal integrated circuit (Inter IntegratedCircuit, I2C) agreement is linked up with the bus controller 131 on the South Bridge chip 130, and will erect the identification code (Identification of card, ID) see through South Bridge chip 130 and be sent to control chip 110, and allow control chip 110 can discern the kind of perpendicular card 120 and arrange bridge to use for the PCI-E slot of the correspondence on the perpendicular card 120, identification code herein is to see through 3 general input (General Purpose Intput, GPI) stitch (GPI0, GPI1 and GPI2) provide, and the identification code of perpendicular card 120 for example is 0,1,0.
Hold above-mentionedly, the user can select different types of perpendicular card to assemble the PCI-E interface card according to its user demand.For instance, if the user has only the PCI-E interface card of an x16, then must select for use perpendicular card 3 just can have enough link widths (x16) to use, this moment is if select perpendicular card 2 for use, then can be lower because of the link width (x8) of perpendicular card 2 supports, and limited the link width that the PCI-E interface card can use, even can't use.Therefore, the deviser of system must provide different perpendicular card of all kinds to use to the user, and causes the managerial inconvenience of perpendicular card, also can increase the cost in the perpendicular card design.
Summary of the invention
In view of this, the invention provides the method for the perpendicular chain jamming degree of having a lot of social connections of a kind of dynamic assignment, insert plug-in card kind and the quantity that perpendicular card is gone up slot, distribute the spendable link width of each plug-in card by detecting, with a perpendicular card is the plug-in card of applicable variety classes and quantity, can save design cost.
For reaching above-mentioned or other purposes, the present invention proposes the method for the perpendicular chain jamming degree of having a lot of social connections of a kind of dynamic assignment, be applicable to and comprise perpendicular (riser card) system that blocks, wherein this perpendicular card comprises a plurality of slots, and being suitable for inserting many plug-in cards, the method comprises the following steps: that a. detects the quantity and the position of inserting the normal plug-in card of slot and function; B. according to the quantity and the position of these plug-in cards, the configuration of the control chip of initialization system; C. according to the configuration of control chip, set and distribute to the link width that each plug-in card uses; D. carry out link width adjustment again (retrain), use to each plug-in card with the distribute links width.
In an embodiment of the present invention, the configuration of system control chip comprise a plug-in card, two plug-in cards, three plug-in cards and four plug-in cards one of them, and distribute to link width that each plug-in card uses comprise 1 link width (x1), 4 link widths (x4), 8 link widths (x8) and 16 link widths (x16) one of them.
In an embodiment of the present invention, above-mentioned steps a. comprises being four plug-in cards in advance with configuration and setting, and the link width that will distribute to each plug-in card use is set at 4 link widths (x4), carry out link width adjustment again then, last then, obtain the quantity and the position of inserting each slot and normally functioning plug-in card according to the adjustment result of link width adjustment again.
In an embodiment of the present invention, above-mentioned adjustment result comprises the status register of a plurality of bridges that are recorded in control chip, and the adjustment result comprises whether whether slot that each bridge connects inserts the function of plug-in card, plug-in card normal, and the link width of plug-in card.
In an embodiment of the present invention, in step c, if the configuration of setting is a plug-in card, then setting the link width of distributing to this plug-in card use is one 16 link width (x16); If the configuration of setting is two plug-in cards, then setting the link width of distributing to each plug-in card use is two 8 link widths (x8); If the configuration of setting is three plug-in cards, then setting the link width of distributing to each plug-in card use is two 4 link widths (x4) and one 8 link width (x8).
In an embodiment of the present invention, if the configuration of setting is three plug-in cards, then in steps d. afterwards, also comprise judge link width again the adjustment result of adjustment whether be best, if the adjustment result is not best, then change distributes the link width that each plug-in card uses, and the retry line link width adjustment again of laying equal stress on is till the adjustment result is the best.
In an embodiment of the present invention, if the configuration of setting is three plug-in cards, then in steps d. afterwards, also comprise the record link width adjustment result of adjustment again, the link width that each plug-in card uses, the retry line link width adjustment again of laying equal stress on are distributed in change.Last then select best adjustment result, and carry out link width adjustment again, use to each plug-in card with the distribute links width.
In an embodiment of the present invention, the mode of the configuration of the control chip of initialization system comprises the register of adjustment again of setting control chip, with the decision configuration, carry out this link width again the mode of adjustment then comprise and set this adjustment register again, to start link width adjustment again.In addition, after link width adjustment again starts, also comprise postponing one section Preset Time, finish with wait link width adjustment again.
In an embodiment of the present invention, configuration according to control chip, the mode that the link width of each plug-in card use is distributed in setting comprises many stitch setting a logic, and through this logic, a plurality of bridges of control chip are connected to each slot, use to each plug-in card so that link width to be provided.
In an embodiment of the present invention, above-mentioned control chip is a north bridge chips, and above-mentioned plug-in card comprises that then peripheral part connects (Peripheral Component Interconnect Express, PCI-E) interface card at a high speed.
The present invention is because of adopting the structure of the perpendicular chain jamming degree of having a lot of social connections of dynamic assignment, and plug-in card kind and quantity according to being installed on the perpendicular card provide suitable link width to use to it, so that the distribution of link width reaches optimization.In view of the above, the present invention promptly can satisfy various link width user demand by single perpendicular card, reaches the purpose of saving design cost.
For above-mentioned and other purposes, feature and advantage of the present invention can be become apparent, preferred embodiment cited below particularly, and conjunction with figs. is described in detail below.
Description of drawings
Fig. 1 illustrate has the system block diagrams of the perpendicular card of two PCI-E slots for conventional arrangement.
Fig. 2 is the system block diagrams of the perpendicular chain jamming degree of having a lot of social connections of the dynamic assignment that illustrates according to first embodiment of the invention
Fig. 3 is the method flow diagram of the perpendicular chain jamming degree of having a lot of social connections of the dynamic assignment that illustrates according to second embodiment of the invention.
Fig. 4 is the link width method for optimizing process flow diagram that illustrates according to third embodiment of the invention.
Embodiment
Slot number that general perpendicular card upward disposes and the assigned link width (link width) of each slot are all fixing, though this practice can provide specific system's extended function, have also limited the elasticity that system expands.And in the application of reality, different demands according to each user, to such an extent as to may plug one, two several the plug-in cards that do not wait on the perpendicular card, therefore the best course to pursue of link width distribution should be with reference to the kind and the number that are installed in the plug-in card on the perpendicular card, the link width size of each slot is distributed in decision again, the elasticity that can have the extendibility of system concurrently and use.The method of the present invention promptly the is based on above-mentioned notion perpendicular chain jamming degree of having a lot of social connections of a cover dynamic assignment that develops out, more clear in order to make content of the present invention, below the example that can implement according to this really as the present invention especially exemplified by embodiment.
First embodiment
Fig. 2 is the system block diagrams of the perpendicular chain jamming degree of having a lot of social connections of the dynamic assignment that illustrates according to first embodiment of the invention.Please refer to Fig. 2, on the slot (not illustrating) of present embodiment with the mainboard of perpendicular card 220 insertion systems 200, and the function in order to provide system 200 to expand.Dispose 4 slots (comprising slot 0, slot 1, slot 2, slot 3) on this perpendicular card 220, insert 1～4 plug-in card and provide, these slots for example are that peripheral part connects (Peripheral Component Interconnect Express at a high speed, PCI-E) slot, plug-in card then for example is the PCI-E interface card, and the present invention does not limit its scope.
After will erecting card 220 and being mounted in the system 200, system 200 promptly can set the configuration of its control chip 210, and writes the setting value of corresponding this configuration at the register of adjustment again of this control chip 210.Wherein, above-mentioned configuration comprises a plug-in card, two plug-in cards, three plug-in cards or four plug-in cards, and does not limit its scope.
For instance, if the configuration of control chip 210 will be planned to 4 plug-in cards, then need write 04 at adjustment register again.And control chip 210 will dispose 4 bridges this moment and use with the slot of link width being distributed on the perpendicular card 220 after receiving this setting value.
In addition, system 200 comprises that also the hardware logic layout of roads with multiplexer 230 is a slot of supporting 44 link widths (x4), its practice for example is the input and output control (SuperInput/Output in system 200, SIO) general output (GeneralPurpose Output, the GPO of the hardware register of chip or South Bridge chip; It is general input (General Purpose Input for multiplexer 230, GPI) write 0,1,1,1,1 value respectively on stitch GPI4, GPI3, GPI2, GPI1, the GPI0, with the logic of control multiplexer 230 adjustment hardware, 4 bridge correspondences that meaning is about to control chip 210 are connected to 4 slots that erect on the card 220.
At last, see through the register of adjustment again (for example writing 1 value) of setting control chip 210 at its 4th bit, and start link width adjustment again, use to each plug-in card with the distribute links width, and can learn the quantity and the position of the plug-in card that inserts on the perpendicular card 220.From the above, in the present embodiment, the configuration of control chip 210 system is planned to 4 plug-in cards, and therefore after link width adjustment again, each slot can be assigned to 4 link widths (x4).
The collocation said system, the present invention also provides the method for the perpendicular chain jamming degree of having a lot of social connections of a cover dynamic assignment, operates this system according to this.With the next detailed step of introducing the method for an embodiment.
Second embodiment
Fig. 3 is the method flow diagram of the perpendicular chain jamming degree of having a lot of social connections of the dynamic assignment that illustrates according to second embodiment of the invention.Please refer to Fig. 3, present embodiment is applicable to and comprises a perpendicular card system that this perpendicular card comprises a plurality of slots, and is suitable for inserting many plug-in cards.Wherein, above-mentioned slot for example is the PCI-E slot, and plug-in card then for example is the PCI-E interface card, does not limit its scope.
To erect the mainboard of card insertion system the user, and on the slot of perpendicular card, insert plug-in card, and after the start-up system, system can detect promptly and be inserted on the slot and the quantity of normally functioning plug-in card and position (step S310).Wherein, present embodiment does not limit the slot number on the perpendicular card, does not limit each slot yet and all will insert plug-in card (can insert and can not insert).
Then, according to the quantity and the position of detected plug-in card, get final product the configuration (step S320) of the control chip of initialization system.Wherein, the configuration of this control chip can be divided into a plug-in card, two plug-in cards, three plug-in cards or four plug-in cards, and the setting of this configuration then for example is to write corresponding setting value in the register of adjustment again of control chip.
Next step then can be according to the configuration that sets, and sets the hardware logic circuit in the multiplexer, and the circuit of the bridge of control chip is connected to each plug-in card (step S330) respectively.The link width of distributing to each plug-in card use herein for example is 1 link width (x1), 4 link widths (x4), 8 link widths (x8) or 16 link widths (x16), and its size is looked closely the quantity of detected plug-in card and decided, and does not limit its scope.
At last, then the link width at control chip writes 1 value in the adjustment again, and carries out link width adjustment again (step S340).After postponing one section Preset Time, promptly finish link width adjustment again, this moment, each plug-in card just can obtain the link width of required use.
In order to make the best that is planned to of link width of the present invention, for an embodiment link width method for optimizing of the present invention is described again with next.
The 3rd embodiment
Fig. 4 is the link width method for optimizing process flow diagram that illustrates according to third embodiment of the invention.Please refer to Fig. 4, at first the configuration of control chip is made as 4 plug-in cards in advance, and will distribute to the link width that each plug-in card uses and be set at 4 link widths (x4) by system.Then, the link width of control chip adjustment register is again write 1 value, to carry out link width adjustment again.After treating link width adjustment being finished again, can from the status register of the bridge of control chip, learn the link width result of adjustment again, and obtain quantity and position (the step S410) that inserts slot and normally functioning plug-in card.
In detail, corresponding to 4 slots on the perpendicular card, control chip also disposes 4 bridges and uses to the plug-in card on these slots so that suitable link width to be provided, and the status register on these bridges then can write down different values according to the result of link width adjustment again.For instance, this record value for example is NULL, L5, L6, L7, L8 etc.Wherein, on behalf of this slot, NULL promptly do not have " good " plug-in card to insert, and L5, L6, L7, L8 then represent respectively in the position of this slot the insertion plug-in card, and the function of plug-in card is normal.
What deserves to be mentioned is above-mentioned adjustment result comprises whether whether slot that each bridge of record connects inserts the function of plug-in card, plug-in card normal, and the information such as link width of plug-in card.Wait to obtain after the adjustment result, can know the number and the position of " good " plug-in card, suppose that the number of this " good " plug-in card is n, n is 0～5 integer.Then then can set the configuration of control chip, and re-execute link width adjustment program again, at each different n value, introduce the optimized flow process of link width of the present invention with next according to the size of this n value:
In step S420, when judging that the n value is 0 or 4, then represent and all do not insert " good " plug-in card on 4 slots, or be that insertion " good " plug-in card is all arranged, and since the previous link width of carrying out of present embodiment again adjustment also be that configuration with control chip is made as 4 plug-in cards, and the link width of distributing to each plug-in card use also is to be set at 4 link widths (x4), therefore only needs to adopt original adjustment result to get final product, and need not to carry out once again link width adjustment program again.
In step S430, when the n value was 1, then representing only to have in 4 slots had " good " plug-in card to insert on the slot, and can be made as the configuration of control chip user mode 1 this moment.Simultaneously also according to the adjustment result, with the hardware logic layout of roads of multiplexer is the slot of supporting 1 16 link width (x16), and re-execute link width adjustment program again, after waiting to postpone one section Preset Time, promptly finish link width adjustment again, this " good " plug-in card can obtain and use 16 link widths (x16) (step S440) this moment.
In step S450, when the n value was 2, then representing only to have in 4 slots had " good " plug-in card to insert on two slots, and can be made as the configuration of control chip user mode 2 this moment.Simultaneously also according to the adjustment result, with the hardware logic layout of roads of multiplexer is the slot of supporting 28 link widths (x8), and re-execute link width adjustment program again, after waiting to postpone one section Preset Time, promptly finish link width adjustment again, these two " good " plug-in cards can obtain and use 8 link widths (x8) (step S460) this moment.
In step S450, when the n value was 3, then representing to have in 4 slots had " good " plug-in card to insert on three slots, and can be made as the configuration of control chip user mode 3 this moment.Simultaneously also according to the adjustment result, with the hardware logic layout of roads of multiplexer is the slot of supporting 24 link widths (x4) and 18 link width (x8), and re-execute link width adjustment program again, after waiting to postpone one section Preset Time, promptly finish link width adjustment again, these three " good " plug-in cards can obtain and use 24 link widths (x4) and 18 link width (x8) (step S470) this moment.
It should be noted that, in the n value is 3 situation, there is a plug-in card will be assigned to 8 link widths (x8), and in order to make the best that is assigned as of link width, therefore the present invention also comprises the hardware logic circuit of adjusting multiplexer, and repeat the link width step of adjustment again, up to obtaining best adjustment result, provide two kinds of ways with next.
A kind of way is after each execution link width adjustment again, promptly judge this link width again the adjustment result of adjustment whether be best, if non-the best still, then the link width that each plug-in card uses is distributed in change again, the retry line link width adjustment again of laying equal stress on is till the adjustment result is the best.Wherein, judge that whether the adjustment result is that best mode for example can detect the plug-in card that is assigned to 8 link widths (x8) and whether also supports 8 link widths, if can determine that then present adjustment result is for best.
It is after each execution link width adjustment again that another kind is done rule, promptly write down this adjustment result, and then the link width that each plug-in card uses is distributed in change one by one, the retry line link width adjustment again of laying equal stress on, up to the distribution of all link widths all test finish after, select the adjustment result an of the best to come the distribute links width to use again to each plug-in card.Following table 1 is the definition list according to the logic that third embodiment of the invention illustrated.
| GPI4，GPI3，GPI2，GPI1，GPI0 | ?L5 | L6 | L7 | ?L8 |
| 00000 | ?L1 | L2 | L3 | ?L4 |
| 00001 | ?L1+L2+L3+L4 | Do not have | Do not have | Do not have |
| 00010 | Do not have | L1+L2+L3+L4 | Do not have | Do not have |
| 00100 | Do not have | Do not have | L1+L2+L3+L4 | Do not have |
| 01000 | Do not have | Do not have | Do not have | ?L1+L2+L3+L4 |
| 00011 | ?L1+L2 | L3+L4 | Do not have | Do not have |
| 00101 | ?L1+L2 | Do not have | L3+L4 | Do not have |
| 01001 | ?L1+L2 | Do not have | Do not have | ?L3+L4 |
| 01100 | Do not have | L1+L2 | L3+L4 | Do not have |
| 01010 | Do not have | L1+L2 | Do not have | ?L3+L4 |
| 01100 | Do not have | Do not have | L1+L2 | ?L3+L4 |
| 00111 | ?L3 | L4 | L1+L2 | Do not have |
| 01101 | ?L3 | Do not have | L4 | ?L1+L2 |
| 01011 | ?L3 | L4 | Do not have | ?L1+L2 |
| 01110 | Do not have | L3 | L4 | ?L1+L2 |
| 01111 | ?L1 | L2 | L3 | ?L4 |
| 10000 | ?L3 | L1+L2 | L4 | Do not have |
| 10001 | ?L1+L2 | L3 | L4 | Do not have |
| 10010 | ?L3 | Do not have | L1+L2 | ?L4 |
| 10011 | ?L1+L2 | Do not have | L3 | ?L4 |
| 10100 | ?L3 | L1+L2 | Do not have | ?L4 |
| 10101 | ?L1+L2 | L3 | Do not have | ?L4 |
| 10110 | Do not have | L3 | L1+L2 | L4 |
| 10111 | Do not have | L1+L2 | L3 | L4 |
Table 1
By in the table 1 for the setting of general input stitch, can change the hardware logic circuit of multiplexer, and provide different link width to use to each plug-in card.Pending link width after the adjustment, selects the adjustment result an of the best to come the distribute links width again again, and is final then reach the purpose of the perpendicular chain jamming degree of having a lot of social connections of dynamic assignment of the present invention.
In sum, the method for the perpendicular chain jamming degree of having a lot of social connections of dynamic assignment of the present invention has following advantage at least:
1. adopt the mode of dynamic assignment link width, and do not limit the slot number of perpendicular card and the kind and the number of the plug-in card of insertion, have the elasticity in the use.
2. according to plug-in card number and position, suitably allocate link width and use for each plug-in card, and reach the optimization of link width, allow the usefulness of system be able to be used effectively.
3. replace the perpendicular card of various kinds with a perpendicular card, can save the perpendicular design cost that blocks, also increase the managerial convenience of perpendicular card.
Though the present invention discloses as above with preferred embodiment; right its is not in order to limiting the present invention, anyly has the knack of this skill person, without departing from the spirit and scope of the present invention; when can doing a little change and retouching, so protection scope of the present invention is when with being as the criterion that claim was defined.
Claims (12)
1. the method for the perpendicular chain jamming degree of having a lot of social connections of dynamic assignment is applicable to a system that comprises a perpendicular card, wherein should comprise a plurality of slots by perpendicular card, and be suitable for inserting many plug-in cards, and this method comprises the following steps:
A. detect the quantity and the position of inserting those slots and normally functioning at least one plug-in card, comprising:
One configuration of one control chip of default this system is four plug-in cards;
The link width that each those plug-in cards use is distributed in setting is 4 link widths;
Carry out the adjustment again of this link width; And
According to an adjustment result of this link width adjustment again, obtain the quantity and the position of inserting those slots and normally functioning those plug-in cards;
B. according to the quantity and the position of those plug-in cards, set this configuration of this control chip of this system;
C. according to this configuration of this control chip, set and distribute to this link width that each those plug-in card uses, comprising:
If this configuration is a plug-in card, then setting this link width of distributing to this plug-in card use is one 16 link width;
If this configuration is two plug-in cards, then setting this link width of distributing to each those plug-in cards use is two 8 link widths;
If this configuration is three plug-in cards, then setting this link width of distributing to each those plug-in cards use is two 4 link widths and one 8 link width;
D. carry out the adjustment again of this link width, use for each those plug-in card to distribute this link width;
E. judge this link width again an adjustment result of adjustment whether be best; And
F. if this adjustment result is not best, then this link width that each those plug-in card uses is distributed in change, and repeats the adjustment again of this link width, till this adjustment result is the best.
2. the method for the perpendicular chain jamming degree of having a lot of social connections of dynamic assignment as claimed in claim 1 is characterized in that, this configuration of this control chip of this system comprise a plug-in card, two plug-in cards, three plug-in cards and four plug-in cards one of them.
3. the method for the perpendicular chain jamming degree of having a lot of social connections of dynamic assignment as claimed in claim 2 is characterized in that, distribute to this link width that each those plug-in card uses comprise 1 link width, 4 link widths, 8 link widths and 16 link widths one of them.
4. the method for the perpendicular chain jamming degree of having a lot of social connections of dynamic assignment as claimed in claim 3 is characterized in that this adjustment result comprises a status register of a plurality of bridges that are recorded in this control chip.
5. the method for the perpendicular chain jamming degree of having a lot of social connections of dynamic assignment as claimed in claim 4 is characterized in that, this adjustment result comprises whether whether this slot that this bridge respectively connects inserts the function of this plug-in card, this plug-in card normal, and this link width of this plug-in card.
6. the method for the perpendicular chain jamming degree of having a lot of social connections of dynamic assignment as claimed in claim 1 is characterized in that, the mode of this configuration of setting this control chip of this system comprises:
Set an adjustment register again of this control chip, to determine this configuration.
7. the method for the perpendicular chain jamming degree of having a lot of social connections of dynamic assignment as claimed in claim 6 is characterized in that, carry out this link width again the mode of adjustment comprise:
This that set this control chip be the adjustment register again, to start the adjustment again of this link width.
8. the method for the perpendicular chain jamming degree of having a lot of social connections of dynamic assignment as claimed in claim 7 is characterized in that, after this link width of startup adjustment again, also comprises:
Postpone a Preset Time, with wait for this link width again adjustment finish.
9. the method for the perpendicular chain jamming degree of having a lot of social connections of dynamic assignment as claimed in claim 1 is characterized in that, according to this configuration of this control chip, the mode of setting this link width of distributing to each those plug-in cards use comprises:
According to this configuration of this control chip, set many stitch of a logic;
See through this logic, a plurality of bridges of this control chip are connected to those slots, use to those plug-in cards so that this link width to be provided.
10. the method for the perpendicular chain jamming degree of having a lot of social connections of dynamic assignment as claimed in claim 9 is characterized in that those stitch comprise general input stitch.
11. the method for the perpendicular chain jamming degree of having a lot of social connections of dynamic assignment as claimed in claim 1 is characterized in that this control chip is a north bridge chips.
12. the method for the perpendicular chain jamming degree of having a lot of social connections of dynamic assignment as claimed in claim 1 is characterized in that, those plug-in cards comprise that peripheral part connects the high-speed interface card.
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| US10095280B2 (en) | 2015-09-21 | 2018-10-09 | Ciena Corporation | Variable width PCIe interface |
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| CN106951383A (en) * | 2017-04-19 | 2017-07-14 | 深圳市同泰怡信息技术有限公司 | The mainboard and method of a kind of raising PCIE data channel utilization rates |
| 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 |
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|---|---|---|---|---|
| US7103695B2 (en) * | 2003-11-06 | 2006-09-05 | Dell Products L.P. | System and method for scaling a bus based on a location of a device on the bus |
| CN1987839A (en) * | 2005-12-20 | 2007-06-27 | 英业达股份有限公司 | Automatic configurating system for PCI-E bus |
| US7246190B2 (en) * | 2004-04-21 | 2007-07-17 | Hewlett-Packard Development Company, L.P. | Method and apparatus for bringing bus lanes in a computer system using a jumper board |
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2007
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7103695B2 (en) * | 2003-11-06 | 2006-09-05 | Dell Products L.P. | System and method for scaling a bus based on a location of a device on the bus |
| US7246190B2 (en) * | 2004-04-21 | 2007-07-17 | Hewlett-Packard Development Company, L.P. | Method and apparatus for bringing bus lanes in a computer system using a jumper board |
| CN1987839A (en) * | 2005-12-20 | 2007-06-27 | 英业达股份有限公司 | Automatic configurating system for PCI-E bus |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10095280B2 (en) | 2015-09-21 | 2018-10-09 | Ciena Corporation | Variable width PCIe interface |
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| Publication number | Publication date |
|---|---|
| CN101382925A (en) | 2009-03-11 |
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