CN1299099A - Biodge device - Google Patents
Biodge device Download PDFInfo
- Publication number
- CN1299099A CN1299099A CN 00131967 CN00131967A CN1299099A CN 1299099 A CN1299099 A CN 1299099A CN 00131967 CN00131967 CN 00131967 CN 00131967 A CN00131967 A CN 00131967A CN 1299099 A CN1299099 A CN 1299099A
- Authority
- CN
- China
- Prior art keywords
- bus
- pci
- controller
- equipment
- configuration register
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Abstract
To provide a bridge device for suitably and efficiently managing a configuration register, which is provided in each of two physically different controllers, for storing environment setting information for specifying the operating environment of a present device. A PCI-PCI bridge 300 has two controllers of a P-PCI bridge 300a and an S-PCI bridge 300b for connecting a PCI bus 2 and a PCI bus 3 of parallel transmission lines through a serial transmission line. These two controllers have the same configuration and are respectively provided with configuration registers 304a and 304b for storing the environment setting information for specifying the operating environment of the PCI-PCI bridge 300. On the basis of a select signal applied from the outside, both two controllers suitably and efficiently manage to access the configuration registers 304a and 304b.
Description
The present invention relates to connect the Biodge device of 2 buses that the parallel transmission circuit by a plurality of bit widths constituted, relate in particular to the Biodge device that management will be used for the configuration register that the environment set information stores of the working environment of this device of regulation gets up via the serial transmission circuit.
In recent years, variously carry easily, can be developed by the personal computer that electric battery is carried out the notebook type of work.In addition, in this personal computer, in order to expand its function, tend to add expansion unit, so that as required equipment is installed in the expansion unit.In order to manage to effectively utilize resource, must connect bus and the interior bus of expansion unit in the basic computer from the expansion unit of basic computer.By this bus connection, the feasible equipment that might handle together in the basic computer is equally handled the equipment on the interior bus of expansion unit.
In recent personal computer, use PCI (Peripheral ComponentInterconnect) widely) bus.Therefore, connection between basic computer and the expansion unit normally is provided with the connector of docking (docking) usefulness of a plurality of lead-in wires of the number with the signal line-group that is equivalent to pci bus respectively in basic computer one side and expansion unit one side, and is undertaken by physically connecting two pci buss via the connector that this docking is used.
Fig. 1 is used for illustrating at the basic computer of in the past computer system and the condition diagram that the bus between the expansion unit connects.
As shown in Figure 1, in computer system in the past, by when basic computer 100 1 sides are provided for just thinking to be mounted, pci bus (main) 2 is drawn out on the line the switch 15 outside the connector that docking uses in expansion unit 200, and be provided for the PCI-PCI bridge 16 of two-way connection pci bus (main) 2 and pci bus (auxiliary) 3 in a side of the opposing party's expansion unit 200, make equipment on the device access pci bus (auxiliary) 3 on the pci bus (main) 2, and the equipment on the device access pci bus (main) 2 on the pci bus (auxiliary) 3 becomes possibility.
Moreover main bus (basic) is called the bus near CPU and primary bus bridge, and so-called auxiliary bus (secondary) is called the bus away from CPU and primary bus bridge.
But, if such structure, owing to need big area during the installation of the connector of using in docking, therefore hinder miniaturization, the slimming of basic computer, in addition, owing to the installation site of basic computer one side and expansion unit one side connector is separately cooperatively interacted, thereby increased restriction to the physical housings structure.
Recently, in order to connect basic computer and expansion unit with the few cable of signal wire, the Biodge device (PCI-PCI bridge) that proposition will be used to connect 2 pci buss is divided into and is connected 22 controllers that the physical property on the pci bus is different respectively, and connects this 2 controllers with the serial transmission circuit.In addition, use and prevent the complicated aspect of resource management from preventing resource waste, people recommend, and this Biodge device is configured to by the miscellaneous equipment that comprises CPU it be taken as and is single controller.Soon single controller in logic is divided into 2 controllers physically.
But about this single Biodge device in logic that is divided into 2 physically different controllers, the setting of its working environment also can be used as single Biodge device and carries out.Be that the single in logic Biodge device of this general can not distribute to each 2 physically different controllers respectively as the configuration cycle of object.But, meanwhile, if the configuration register of the environment set information of storing the working environment that is used for this device of regulation only is set a wherein side of 2 controllers, will take place in the opposing party's the controller so will be by serial transmission line continually with reference to the situation to the configuration register that is provided with in the square controller, thereby produce corresponding hysteresis the, and the remarkable decline of system performance.
Therefore, the object of the present invention is to provide suitably and the Biodge device of administration configuration register effectively, this configuration register is designed in 2 physically different separately controllers, and storage is used for the environment set information of the working environment of this device of regulation.
According to a kind of viewpoint of the present invention, the Biodge device that is provided is characterised in that, it comprise be connected respectively to by the parallel transmission circuit constituted the 1st with the 2nd bus on, via the serial transmission circuit transmit affairs mutually in case make the described the 1st with side's bus of the 2nd bus on equipment can visit the 1st and the 2nd different physically controller of the equipment on the opposing party's bus, and the configuration register of environment set information that in the described the 1st and the 2nd controller, is provided for the working environment of this device of regulation respectively.
In described Biodge device, the the described the 1st and the 2nd controller also can possess the device of input select signal respectively, in the 1st and the 2nd bus which this controller of this signal indication itself should be connected to and carry out work, and according to the equipment of this selection signal controlling that is transfused to the visit of described configuration register.
In described Biodge device, the the described the 1st and the 2nd controller also can possess such equipment respectively, promptly carry out work when itself being connected to the 1st bus according to described this controller of selection signal that is transfused to, and when bus receives accessing work to described configuration register, judge the judgment means that whether this accessing work is delivered to the opposing party's controller according to its content.
In described Biodge device, the the described the 1st and the 2nd bus is a pci bus, the the described the 1st and the 2nd controller also can possess such equipment respectively, promptly carry out work when itself being connected to the 1st bus according to described this controller of selection signal that is transfused to, and when bus receives the equipment on the bus that the opposing party's controller connected of being directly connected to as configuration cycle of object, will configuration cycle from being delivered to the equipment of the opposing party's controller after Class1 changes to type 0.
In described Biodge device, the the described the 1st and the 2nd bus is a pci bus, the the described the 1st and the 2nd controller possesses such equipment respectively, promptly carry out work when itself being connected to the 2nd bus according to described this controller of selection signal that is transfused to, and the equipment that will be directly connected to the bus that itself connects from the opposing party's controller transmission will change to the equipment of type 0 configuration cycle during as configuration cycle of object from Class1.
In described Biodge device, described the 1st bus also can be main bus.
In described Biodge device, the described the 1st and the 2nd controller also can possess such equipment respectively, promptly when the accessing work that receives from bus configuration register, judges the controller that whether this accessing work is delivered to the opposing party according to its content.
According to another kind of viewpoint of the present invention, a kind of computer system of separating the expansion unit that also can freely be connected with it via serial transmission circuit and system body that possesses is provided, this system possesses the 1st and the 2nd bus that is made of the parallel transmission circuit that is installed in described system body and expansion unit respectively, and be configured in the 1st and the 2nd different physically controller in described system body and the expansion unit respectively, two controllers transmit affairs via described serial transmission circuit mutually so that make equipment on the described the 1st and the 2nd bus one side's bus can visit equipment on the opposing party's bus, and the described the 1st and the 2nd each controller possesses the configuration register of environment set information that storage is used for the working environment of this device of regulation respectively.
Fig. 1 is used for illustrating at the basic computer of previous calculation machine system and the condition diagram of the connection of the bus between the expansion unit.
Fig. 2 is the pie graph of the expression computer system relevant with a kind of example of the present invention.
Fig. 3 is the PCI-PCI bridge function constitution map that expression is made up of 2 controllers of this example.
Fig. 4 is the internal structure figure of 2 controllers of the expression PCI-PCI bridge that constitutes this example.
Fig. 5 is the 3 kind visit figures of expression to the configuration register of this example.
Below, with reference to description of drawings example of the present invention.
Fig. 2 is the pie graph that expression relates to the computer system of a kind of example of the present invention.
This computer system is the personal computer of notebook type, it is by basic computer 100, and be connected to cable and be used to carry out the expansion unit 200 that function expands on this basic computer 100 and constitute, connect in order to carry out this cable, it possesses the PCI-PCI bridge 300 that single in logic controller is divided into 2 controllers (P-PCI bridge 300a, S-PCI bridge 300b) physically.
These 2 controllers (P-PCI bridge 300a, S-PCI bridge 300b) will become the bus of using the communication protocol different with pci bus and connect, and to semble from software be 1 PCI Biodge device.Therefore, be used for this PCI-PCI bridge 300 can not distributed to P-PCI bridge 300a and S-PCI bridge 300b respectively as the configuration cycle of the working environment setting of object etc.So Biodge device of the present invention is characterised in that suitably and the configuration register of the environment set information set in this of managed storage effectively configuration cycle, will narrates below about this point.
In basic computer 100, processor bus 1 and pci bus (main) 2 is installed, and the P-PCI bridge 300a of CPU111, master-PCI bridge 12, primary memory 13, various PCI equipment 14 and PCI-PCI bridge 300 is installed.
CPU11 is the equipment that is used to control this computing machine whole system operation, and carries out operating system and the system bios that is loaded into primary memory, perhaps, comprises the various application programs of utility routine.
Master-PCI bridge 12 is Biodge devices of two-way connection processing device bus 1 and pci bus (main) 2, and wherein interior dress is used to control the store control logic circuit of visit primary memory.In addition, this master-PCI bridge 12 can be used as the bus master controller on the pci bus (main) 2.
P-PCI bridge 300a and the S-PCI bridge 300b that is arranged in the expansion unit 200 are formed in logic independently PCI-PCI bridge 300 jointly.This PCI-PCI bridge 300 is to be used for the equipment that two-wire connects the pci bus (auxiliary) 3 in interior pci bus (main) 2 of basic computer and the expansion unit 200, and the PCI equipment 17 that the PCI equipment 14 on the pci bus (main) 2 is visited on the pci buss (auxiliary) 3, and the PCI equipment 14 on the 17 visit pci buss (main) 2 of the PCI equipment on the pci bus (auxiliary) 3 becomes possibility.
In addition, in this example, be divided into 2 physically different controllers (P-PCI bridge 300a, S-PCI bridge 300b) by the PCI-PCI bridge 300 that will connect pci bus (main) 2 and pci bus (auxiliary) 3, and connect them with the serial transmission circuit, realize the PCI serial line interface.
In addition, in the PCI-PCI of this example bridge 300, these 2 controllers (P-PCI bridge 300a, S-PCI bridge 300b) possesses the configuration register of environment set information that storage is used for the working environment of regulation PCI-PCI bridge 300 respectively, and, according to the visit of selection signal (PRSEL) control that gives from the outside to configuration register.
The function that Fig. 3 illustrates the PCI-PCI bridge of being made up of P-PCI bridge 300a and S-PCI bridge 300b 300 constitutes.
As previously mentioned, P-PCI bridge 300a and S-PCI bridge 300b are controllers independently physically, but logically work as 1 PCI-PCI bridge.Therefore, the cable (serial transmission circuit) that connects this P-PCI bridge 300a and S-PCI bridge 300b in view of the above, can not carry out the useless resources allocation to this serial transmission circuit nothing but inner distribution.
In addition, each of P-PCI bridge 300a and S-PCI bridge 300b is made of PCI-interface section and serial transmission interface part.
In P-PCI bridge 300a, send between pci interface part and the pci bus (main) 2 and receive bus transaction.On the other hand, in S-PCI bridge 300b, send between pci interface part and the pci bus (auxiliary) 3 and receive bus transaction.The transmission of the affairs between the pci interface receives to be undertaken by the sending of serial data that is separately positioned between the serial transfer interface section among P-PCI bridge 300a and the S-PCI bridge 300b.
And, the configuration register 304a that the register group by foundation PCI specification constitutes is set, 304b respectively in the PCI-interface section of this P-PCI bridge 300a and S-PCI bridge 300b.
Herein, the configuration register storage is used for the environment set information of the working environment of regulation PCI equipment (comprising P-PCI bridge 300a and S-PCI bridge 300b), in each PCI equipment 1 configuration register must be set.In addition, as previously mentioned, P-PCI bridge 300a and S-PCI bridge 300b should be as 300 work of 1 PCI-PCI bridge.Therefore, usually, in any 1 bridge of P-PCI bridge 300a and S-PCI bridge 300b, 1 configuration register can be set.But, if only the side at 2 controllers is provided with configuration register, in the opposing party's controller, just will inevitably produce so via the serial transmission circuit continually with reference to the configuration register that is arranged in the other side's the controller, thereby reduce system performance significantly.Therefore, as this example, by in P-PCI bridge 300a and S-PCI bridge 300b, configuration register being set respectively, owing to can carry out work according to the environment set information in the configuration register that is stored in itself separately, therefore, just can not reduce system performance yet.For example, when the side in pci bus (auxiliary) 3 has the address visiting demand fixed to, and, produced occasion at S-PCI bridge 300b for judging this requirement with reference to necessity of register, also make correspondence become possibility by reference configuration register 304b.
Have again, this P-PCI bridge 300a and S-PCI bridge 300b are same structures, by according to the visit of the selection signal (PRSEL) that gives from outside control to configuration register, each controller will become, even can both work as either party of P-PCI bridge 300a and S-PCI bridge 300b.
Herein, CPU11 considers in order to have write data allocations in the configuration register of PCI-PCI bridge 300 and writes affairs (configuration cycle).
At this moment, received this P-PCI bridge 300a that writes affairs and must at first data have been write the configuration register 304a of itself, secondly, also data have been write the configuration register 304b of S-PCI bridge 300b, and this is write affairs be sent to S-PCI bridge 300b.Then, expression writes the state that is over after S-PCI bridge 300b returns, and expression is write the state that is over turn back to CPU11.The homogeneity that therefore, can keep the content of configuration register 304a and configuration register 304b.
But, even just be used for data write PCI-PCI bridge 300 configuration register write affairs, also the affairs of writing that will be used to write related data by P-PCI bridge 300a are sent to S-PCI bridge 300b, also reduce system performance.Therefore, in this example, when each controller is worked as P-PCI bridge 300a, judge whether be necessary that this is write affairs is sent to S-PCI bridge 300b from the content of writing affairs, do not transmit in case of necessity if judged, just data are write successively the configuration register 304a of itself, existing side by side is about to represent that writing the state that is over turns back to CPU11.Thus, prevent the decline of system performance more.
Secondly, considering that CPU11 divides to be used in data are write writes the affairs occasion of (configuration cycle) in the configuration register of PCI equipment 17.
Because this is write affairs and will be directly connected to the configuration cycle of the equipment of pci bus (auxiliary) 3 as object, therefore, must on pci bus (main) 2, carry out according to the PCI rule with Class1, on pci bus (auxiliary) 3, carry out with type 0.Promptly in PCI-PCI bridge 300, produce necessity that conversion should configuration cycle.
As previously mentioned, this PCI-PCI bridge 300 is made of 2 controllers of P-PCI bridge 300a and S-PCI bridge 300b.Therefore, the conversion of this configuration cycle is necessary to be undertaken by the predetermined side of P-PCI bridge 300a and S-PCI bridge 300b.In addition, in this example, according to the selection signal (PRSEL) that gives from the outside, each controller has or not the conversion of carrying out configuration cycle by judgement, and the result has only a certain side of 2 controllers to carry out the conversion of configuration cycle.Moreover the conversion which side of P-PCI bridge 300a and S-PCI bridge 300b to carry out configuration cycle by just designs the problem of item, and which side can.
In addition, when the PCI-PCI bridge is connected to pci bus (auxiliary) 3 once more, and when having the pci bus that interconnects by this PCI-PCI bridge and pci bus (auxiliary) 3, and taking place to be directly connected to the occasion of the equipment of this undermost pci bus as the configuration cycle of object, because the result also carries out with Class1 on pci bus (auxiliary) 3, therefore, either party of P-PCI bridge 300a and S-PCI bridge 300b there is no need the conversion in the cycle that is configured.
Secondly, illustrate that with reference to Fig. 4 the inside of P-PCI bridge 300a and S-PCI bridge 300b constitutes.Moreover because the formation of P-PCI bridge 300a and S-PCI bridge 300b is identical basically, therefore, this sentences P-PCI bridge 300a is that example describes.
P-PCI bridge 300a cushions ﹠amp by pci bus controll block 301, pci bus arbiter piece 302, cycle decode block 303, configuration register block 304a, affairs as shown in the figure; Controll block 305, Kuai ﹠amp; Word buffer stopper 306, block transfer buffer stopper 307, word buffer stopper 308, position layer piece 309, Misc information updating piece 310 and serial are interrupted synchronization blocks 311 and are constituted.And above-mentioned selection signal (PRSEL) is supplied with cycle decode block 303 and configuration register block 304a.
Pci bus controll block 301 is used to control pci bus interface as pci bus master device and target (target), and possesses primary controller execution time timer (MLT).
Pci bus arbiter piece 302 is to be used for the moderator that carries out the arbitration of pci bus master device on pci bus (auxiliary) 3.
When cycle decode block 303 is worked in the pci bus target, hit judgement after pci cycle classification and address deciphered.And, in the occasion of working as P-PCI bridge 300a according to described selection signal (PRSEL), about with the configuration cycle of PCI-PCI bridge 300 as object, the cycle decode block will be judged the necessity that S-PCI bridge 303b is transmitted, if do not need, just do not transmit, and will turn back to pci bus controll block 301 replying of CPU11.In addition, this cycle decode block 303 will be carried out affairs buffering ﹠amp; The cycle enabling signal of controll block 305 and to the generation of the hiting signal of pci bus controll block 301.
Affairs buffering ﹠amp; Controll block 305 is impact dampers that pci bus cycle is managed as affairs, and carries out the control of data handing-over between piece transmit buffering piece 307 and pci bus controll block 301.
Kuai ﹠amp; Word buffer stopper 306 is that 2 pieces of piece transmit buffering piece 307 and word buffer stopper 308 should to be concentrated for simplicity be 1 piece, and piece transmit buffering piece 307 is to be used for temporarily being stored in and affairs buffering ﹠amp; Send the impact damper of the data that receive between controll block 305 or the word buffer stopper 308.In addition, as impact damper, have (OEB/IEB) that write back (postwrite) usefulness respectively independently, write (OBB/IBB) impact damper used of affairs beyond the back.OEB/OBB among the figure is the impact damper that sends usefulness, and IEB/IBB is the impact damper that receives usefulness.The impact damper with receiving usefulness of this transmission usefulness uses the clock with receiving usefulness of the asynchronous transmission usefulness that generates among the on the throne layer of PLL in the piece 309 to carry out work respectively.Owing to do not use pci clock, so, with more the piece on upper strata is asynchronous at piece transmit buffering piece 307.In addition, this Kuai ﹠amp; Word buffer stopper 306 also test and generate, the control of the error-detecting on universal serial bus and retransmission process etc.
On the other hand, word buffer stopper 308 be used for temporary transient storage be used for and position layer piece 309 between transmit impact damper one by one from the data of the regular length of piece transmit buffering piece 307.OWB among the figure is the impact damper that sends usefulness, and IWB is the impact damper that receives usefulness, and they use the clock asynchronous transmission usefulness and that receive usefulness that generates among the on the throne layer of PLL in the piece 309 to carry out work respectively.
Layer piece 309 in position will be divided into 2 parts from the data of the regular length of word buffer stopper 308, and carry out serial communication as the serial data of 2 systems, send a side and walk abreast → serial converted, receive a side and carry out serial → parallel transformation.In addition, this layer piece 309 has PLL respectively and is used for sending, receiving, and the PLL that sends usefulness is according to PLCLK input carrying out work (9 times), and the PLL that receives usefulness is according to LVDC-I (LVDS serial received clock) input carrying out work.Moreover LVDC-O (LVDS serial tranmitting data register) output is imported the output with same frequency with PLCLK.
Misc information updating piece 310 is the pieces that are used for the look-at-me of pci bus (INT[A: D] #) is carried out as Misc information operational processes.And it is the synoptic diagram that are used to handle INTEL mode serial interruption and LEGACY signal that synchronization blocks 311 is interrupted in serial.
According to having above such formation, as shown in the figure, will be suitably and control to configuration register 304a 3 kinds of visits of 304b effectively.
(1) to connect pci bus (main) 2, only from the visit of the main control associated registers (r1) that can visit of basic computer 100 1 sides.
(2) to connect pci bus (auxiliary) 3, only from the visit of the auxiliary control associated registers (r2) that can visit of basic computer 100 1 sides.
(3) to by main, auxiliary bus both sides shared, only from the shared register that can visit (r3, visit r4) of basic computer 100 1 sides.
Thus, just can be suitably and manage effectively in 2 physically different controllers separately, be set up, storage is used for the configuration register of environment set information of the working environment of this device of regulation.
The invention is not restricted to above-mentioned example, in the scope of its main spirit, can carry out all distortion back and implement.
As previously discussed, according to Biodge device of the present invention, after in 2 physically different controllers separately, configuration register being set, because therefore a side controller need can not prevent to reduce significantly system performance via the configuration register of serial transmission circuit with reference to the opposing party's controller.
In addition, after the visit of selection signal controlling that each controller gives by the outside to configuration register, owing to can both work, therefore use same structure can be suitable for a basic side and secondary side both sides as any one of a basic side (main) and a secondary side (auxiliary).
And, as the work of a basic side time,, further prevent the decline of system performance by judging the controller that whether this accessing work should be sent to the opposing party's a secondary side from content to the accessing work of the configuration register that received.
Claims (8)
1. Biodge device, it is characterized in that, it possesses the 1st and the 2nd physically different controllers, they are connected respectively to the 1st and the 2nd bus that is made of the parallel transmission circuit, and transmit affairs mutually via the serial transmission circuit, so that make the described the 1st and a certain side's of the 2nd bus bus on equipment can visit equipment on the opposing party's bus, in the described the 1st and the 2nd controller, the configuration register of environment set information that storage is used for the working environment of this device of regulation is set respectively.
2. according to the Biodge device of claim 1 record, it is characterized in that, the the described the 1st and the 2nd controller possess respectively that input expression itself should be connected to the 1st and the 2nd bus which side carry out the equipment of the selection signal of work, and according to the selection signal controlling of this input equipment to the visit of described configuration register.
3. the Biodge device of claim 2 record, it is characterized in that, the the described the 1st and the 2nd controller possesses such equipment respectively, promptly when selection signal according to described input, controller itself is connected to and carries out work on the 1st bus, and when bus interface has been received accessing work to described configuration register, judge the controller that whether this accessing work should be sent to the opposing party according to its content.
Claim 2 or 3 the record Biodge devices, it is characterized in that, the the described the 1st and the 2nd bus is a pci bus, the the described the 1st and the 2nd controller possesses such equipment respectively, promptly according to the selection signal of described input, controller itself is connected to and carries out work on the 1st bus, and receive the equipment of the bus that controller connected during that will be directly connected to the opposing party from bus as configuration cycle of object, with this configuration cycle from being sent to the opposing party's controller after Class1 is altered to type 0.
Claim 2 or 3 the record Biodge devices, it is characterized in that, the the described the 1st and the 2nd bus is a pci bus, the the described the 1st and the 2nd controller possesses such equipment respectively, promptly according to the selection signal of described input, controller itself is connected to and carries out work on the 2nd bus, and when the opposing party's controller sends the equipment that will be directly connected to the bus that this controller itself connected as configuration cycle of object, should configuration cycle be altered to type 0 from Class1.
6. the Biodge device of each record of claim 2～5 is characterized in that, described the 1st bus is main bus.
7. according to the Biodge device of claim 1 record, it is characterized in that, the the described the 1st and the 2nd controller possesses such equipment respectively, promptly when bus has received accessing work to described configuration register, judge the controller that whether this accessing work should be sent to the opposing party according to its content.
8. computer system, has the expansion unit that separates and freely be connected by serial transmission circuit and system body, it is characterized in that, it possesses the 1st and the 2nd bus that is made of the parallel transmission circuit that is installed in respectively in described system body and the expansion unit, and be configured in respectively in described system body and the expansion unit and transmit affairs mutually so that make equipment on side's bus of the described the 1st and the 2nd bus can visit equipment on the opposing party's bus via described serial transmission circuit, the the 1st and the 2nd physically different controllers, the described the 1st and the 2nd controller possesses the configuration register of the environment set information of storing the working environment that is used for this device of regulation respectively.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP346558/1999 | 1999-12-06 | ||
| JP34655899A JP2001167047A (en) | 1999-12-06 | 1999-12-06 | Bridge device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1299099A true CN1299099A (en) | 2001-06-13 |
Family
ID=18384247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00131967 Pending CN1299099A (en) | 1999-12-06 | 2000-10-25 | Biodge device |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2001167047A (en) |
| CN (1) | CN1299099A (en) |
| TW (1) | TW552507B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4831317B2 (en) * | 2006-02-24 | 2011-12-07 | 日本電気株式会社 | ACPI machine language table description method and apparatus in PCI multistage bridge configuration computer and program thereof |
| JP4432975B2 (en) | 2007-01-15 | 2010-03-17 | 日本電気株式会社 | Packet communication device, packet communication method, and packet communication program |
| JP5168541B2 (en) * | 2007-09-14 | 2013-03-21 | 株式会社リコー | Data transfer device |
| EP2257880B1 (en) * | 2008-03-25 | 2013-05-08 | Hewlett-Packard Development Company, L.P. | System and method for transforming pcie sr-iov functions to appear as legacy functions |
-
1999
- 1999-12-06 JP JP34655899A patent/JP2001167047A/en active Pending
-
2000
- 2000-10-13 TW TW89121406A patent/TW552507B/en active
- 2000-10-25 CN CN 00131967 patent/CN1299099A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JP2001167047A (en) | 2001-06-22 |
| TW552507B (en) | 2003-09-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5301279A (en) | Apparatus for conditioning priority arbitration | |
| CN1154934C (en) | Intelligent data bus inferface using multi-port memory | |
| JP3669653B2 (en) | Computer system | |
| CN100405303C (en) | Data processing system having a channel adapter shared by multiple operating systems | |
| US4720784A (en) | Multicomputer network | |
| CN102834813B (en) | For the renewal processor of multi-channel high-speed buffer memory | |
| CN1271540C (en) | Method and apparatus for transmitting packets within a symmetric multiprocessor system | |
| US20050097256A1 (en) | Arbitration technique based on processor task priority | |
| CN1818882A (en) | Fault tolerant system and controller, access control method, and control program used in the fault tolerant system | |
| CN102918515B (en) | Store data in the multiple impact dampers in Memory Controller any in | |
| JP4323241B2 (en) | Memory controller for increasing bus bandwidth, data transmission method using the same, and computer system including the same | |
| US6253290B1 (en) | Multiprocessor system capable of circumventing write monitoring of cache memories | |
| WO2012138111A2 (en) | Dynamic random access memory for a semiconductor storage device-based system | |
| US7020733B2 (en) | Data bus system and method for performing cross-access between buses | |
| CN1666185A (en) | Configurable multi-port multi-protocol network interface to support packet processing | |
| CN1464415A (en) | Multi-processor system | |
| CN1299099A (en) | Biodge device | |
| CN1165004C (en) | Spare duplex apparatus and its operated method | |
| US20030229721A1 (en) | Address virtualization of a multi-partitionable machine | |
| US20190286606A1 (en) | Network-on-chip and computer system including the same | |
| CN100587680C (en) | Method and system for managing data stream on separation bus between bus agents | |
| US20040215907A1 (en) | Buffer pre-registration | |
| JPS58201166A (en) | Multiprocessor system | |
| US6742087B2 (en) | Control of access by multiple data processing units to multiple memories | |
| CN111045974A (en) | Multiprocessor data interaction method based on exchange structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| AD01 | Patent right deemed abandoned | ||
| C20 | Patent right or utility model deemed to be abandoned or is abandoned |