CN103869883B - One kind extension mainboard and expansion system - Google Patents
One kind extension mainboard and expansion system Download PDFInfo
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- CN103869883B CN103869883B CN201210547906.6A CN201210547906A CN103869883B CN 103869883 B CN103869883 B CN 103869883B CN 201210547906 A CN201210547906 A CN 201210547906A CN 103869883 B CN103869883 B CN 103869883B
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Abstract
The present invention is suitable for the communications field, there is provided one kind extension mainboard, including processor, wherein, the extension mainboard further includes：Bridge device, including multiple PCIE interfaces are extended, and is connected by one of PCIE interfaces with processor communication；Switching bridge device, including PCIE interfaces and multiple pci interfaces, and communicated to connect by the PCIE interface and extension bridge device for bridge device of transferring, and multiple device PCIs are communicated to connect respectively by the multiple pci interfaces for bridge device of transferring.The present invention also provides a kind of expansion system.A kind of extension mainboard provided by the present invention and expansion system, it is possible to achieve domestic CPU realizes expanded function with the access of PCIE device, device PCI with interacting.
Description
Technical field
The present invention relates to the communications field, more particularly to a kind of extension mainboard and expansion system.
Background technology
PCI Express are high-performance I/O of new generation（Input/Ouput, input/output）Interconnection technique, abbreviation PCIE,
Local I/O buses as standard are widely used in computer platform.
Since PCIE device is convenient in transmission rate and bandwidth and design method, substantial amounts of PCIE device meet the tendency of and
It is raw.However, domestic CPU only has one or two PCIE interface at present, without PCI bus（Peripheral
Component Interconnect, PCI）Interface, also can not just expand PCIE device and device PCI, thus make
Domestic CPU hardware compatibility it is poor, system performance can not be played farthest.
Therefore, in order to improve the hardware compatibility of domestic CPU, system performance is made farthest to be played, it is necessary to set
Count a kind of brand-new extension mainboard and expansion system.
The content of the invention
In view of this, the purpose of the embodiment of the present invention is to provide a kind of extension mainboard and expansion system, it is intended to solves existing
There is the problem of hardware compatibility of domestic CPU in technology is poor, and system performance can not be played at utmost.
The embodiment of the present invention is achieved in that a kind of extension mainboard, including processor, wherein, the extension mainboard is also
Including：
Bridge device, including multiple PCIE interfaces are extended, and is connected by one of PCIE interfaces and the processor communication
Connect；
Switching bridge device, including PCIE interfaces and multiple pci interfaces, and pass through the PCIE interfaces of the switching bridge device
With it is described extension bridge device communication connection, and by it is described switching bridge device multiple pci interfaces communicate to connect respectively it is multiple
Device PCI.
Preferably, the extension bridge device is PCIE power boards.
Preferably, the extension bridge device is set with multiple PCIE respectively by multiple PCIE interfaces of the extension bridge device
Standby communication connection.
Preferably, the quantity of the PCIE interfaces of the extension bridge device is 10.
Preferably, the passage that the extension bridge device is connected with the processor communication is X8PCIE passages.
Preferably, the switching bridge device is PCI Bridge piece.
Preferably, the quantity of the pci interface of the switching bridge device is 4.
Preferably, the switching bridge device and the passage of the extension bridge device communication connection are X1PCIE passages.
On the other hand, the present invention also provides a kind of expansion system, including：
Extension mainboard described in any of the above-described；
To the power supply module of the extension main board power supply.
Preferably, the power supply module includes the first PWM controller, the second PWM controller and low pressure difference linearity voltage stabilizing
Device, wherein, first PWM controller and second PWM controller are used for the extension bridge device for extending mainboard
Communication power supply is provided, the low pressure difference linear voltage regulator is used to provide communication power supply to the switching bridge device of the extension mainboard.
In embodiments of the present invention, technical solution provided by the invention, by setting phase intercommunication at the same time on extension mainboard
Believe the extension bridge device and switching bridge device of connection, and multiple PCIE interface communications connection by extending bridge device is multiple
Device PCI and the multiple device PCIs of multiple pci interfaces communication connection by bridge device of transferring, to realize expanded function, greatly
The hardware compatibility for improving domestic CPU, and cause system performance farthest played.
Brief description of the drawings
Fig. 1 is the attachment structure schematic diagram that mainboard is extended in an embodiment of the present invention；And
Fig. 2 is the power supply module of expansion system and extension bridge device and bridge device of transferring in an embodiment of the present invention
Attachment structure schematic diagram.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, it is right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
The specific embodiment of the invention provides a kind of extension mainboard, as shown in Figure 1, the extension mainboard, including processor,
Wherein, the extension mainboard further includes：
Bridge device, including multiple PCIE interfaces are extended, and is connected by one of PCIE interfaces and the processor communication
Connect；
Switching bridge device, including PCIE interfaces and multiple pci interfaces, and pass through the PCIE interfaces of the switching bridge device
With it is described extension bridge device communication connection, and by it is described switching bridge device multiple pci interfaces communicate to connect respectively it is multiple
Device PCI, to realize expanded function.
A kind of extension mainboard provided by the present invention, the extension of connection is in communication with each other by being set at the same time on extension mainboard
Bridge device and switching bridge device, and by extend multiple PCIE interface communications of bridge device connect multiple device PCIs and
Multiple device PCIs are communicated to connect by the multiple pci interfaces for bridge device of transferring, to realize expanded function, greatly improve state
The hardware compatibility of CPU is produced, and make it that system performance is farthest played.
A kind of extension mainboard provided by the present invention will be described in detail below.
Referring to Fig. 1, to extend the attachment structure schematic diagram of mainboard in an embodiment of the present invention.In present embodiment
In, which includes processor 10, extension bridge device 20 and switching bridge device 30.
Processor 10 includes PCIE interfaces, is communicated to connect for extending bridge device 20.
Extension bridge device 20 includes multiple PCIE interfaces, and passes through one of PCIE interfaces and 10 communication link of processor
Connect.In the present embodiment, it is PCIE power boards to extend bridge device 20（PCIE SWITCH）, such as Integrated Device Technology, Inc. can be used
PCIE SWITCH, concrete model 89HPES48H12G2.If using the PCIE SWITCH of Integrated Device Technology, Inc., model
The PCIE SWITCH of 89HPES48H12G2 include following basic function：
1) 48-lane, the PCIE bridge pieces of maximum 12-port are supported；
2) operation of 5.0GT/S GEN2 and 2.5GT/S GEN1 are supported；
3) bandwidth is supported to be up to 48GBps；
4) X1, X2, X4, the port connection width of X8 are supported；
5) automatic lane reversal and interconnection are supported；
6) it is maximum to support 12 switch partitions；
7) support PCIE device hot plug, support the power management states of D0, D3, support the company of L0, L0s, L1, L2, L3
Connect condition managing；
8) compatible with PCI Express Base Specification 2.0.
Certainly, the PCIE SWITCH of other companies can also be used by extending bridge device 20, just not limited herein.
In the present embodiment, extension bridge device 20 is communicated to connect by one of PCIE interfaces with processor 10, and
The passage of communication connection is X8PCIE passages（X8PCIE LANE）.
In the present embodiment, extend bridge device 20 by extend multiple PCIE interfaces of bridge device 20 respectively with it is multiple
PCIE device communicates to connect.For example, in the present embodiment, the quantity for extending the PCIE interfaces of bridge device 20 is 10, wherein, one
PCIE interfaces are communicated to connect by X8PCIE passages and processor 10, another PCIE interface and switching 30 communication link of bridge device
Connect, other 8 PCIE interfaces connect PCIE device 201-208 respectively.And set according to from the communicating requirement of different PCIE devices
Different interface channel, for example, PCIE device 201,202,203,204,206,207,208 and extension bridge device 20 can be set
The passage of communication connection is X1-X4PCIE passages（X1-X4PCIE LANE）, PCIE device 205 and extension bridge device can be set
The passage of 20 communication connections is X1-X8PCIE passages（X1-X8PCIE LANE）, it is of course also possible to according to other communicating requirements
The passage of different communication connections is set, is not just limited herein.
In other modes, the quantity for extending the PCIE interfaces of bridge device 20 can be different according to actual demand setting
Numerical value, does not just limit herein.
Switching bridge device 30 includes PCIE interfaces and multiple pci interfaces.In the present embodiment, bridge device 30 of transferring is logical
Its PCIE interface is crossed to communicate to connect with extension bridge device 20.In the present embodiment, bridge device 30 of transferring is PCI Bridge piece（PCI
BRIDGE）, such as the PCI Bridge piece of Integrated Device Technology, Inc., concrete model 89HPEB383 can be used.If using the PCI of Integrated Device Technology, Inc.
Bridge piece, then the PCI Bridge piece of model 89HPEB383 include following basic function：
1) PCIE of X1Lane turns PCI Bridge piece；
2) compatible with PCI Express Base Specification 1.1；
3) 32 or 64-bit addressing, the data/address bus of 32；
4) working frequency is：25、33、50、66MHz；
5) signal is 5V voltage tolerants；
6) 4 device PCIs are given from generation PCI clock.
Certainly, bridge device 30 of transferring can also use the PCI Bridge piece of other companies, just not limit herein.
In the present embodiment, bridge device 30 of transferring is X1PCIE passages with extending the passage that bridge device 20 communicates to connect
（X1PCIE LANE）.
In the present embodiment, switching bridge device 30 communicates to connect multiple device PCIs respectively by its multiple pci interface,
To realize expanded function.For example, in the present embodiment, the quantity of the pci interface for bridge device 30 of transferring is 4, for connecting respectively
Device PCI 301-304.
In other modes, the quantity of the pci interface for bridge device 30 of transferring can be different according to actual demand setting
Numerical value, does not just limit herein.
Present invention also offers a kind of expansion system, including extension mainboard as shown in Figure 1 and for extension master
The power supply module 40 of plate power supply.Wherein, extension bridge device 20 and switching bridge device of the power supply module 40 to the extension mainboard
The attachment structure schematic diagram of 30 power supplies is as shown in Figure 2.
Referring to Fig. 2, for expansion system in an embodiment of the present invention power supply module 40 with extension bridge device 20 and
The attachment structure schematic diagram for bridge device 30 of transferring.
In the present embodiment, power supply module 40 includes the first PWM controller（PWM controller）401st, the 2nd PWM
Controller 402 and low pressure difference linear voltage regulator（Low Dropout regulator, LDO）403, wherein, the first PWM controls
401 and second PWM controller 402 of device is used to provide communication power supply, low pressure difference linearity to the extension bridge device 20 of extension mainboard
Voltage-stablizer 403 is used to provide communication power supply to the switching bridge device 30 of extension mainboard.
In the present embodiment, extending the extension bridge device 20 of mainboard needs two kinds of power supplys：1.0V and 2.5V.First PWM
Controller 401 is used to input voltage is converted to 1.0V and be exported for 5V to give extension bridge device 20, and the second PWM controller 402 is used
Extension bridge device 20 is given in being converted to 2.5V and exporting input voltage for 3.3V.For example, if the first PWM controller 401 is adopted
Use Texas Instrument（TI）The PWM controller of the model TPS51218 of company, then first PWM controller 401 will can input
Voltage 5V, which is converted to 1.0V and then exports, gives extension bridge device 20；If the second PWM controller 402 is using Intersil companies
The PWM controller of model ISL65426, then second PWM controller 402 input voltage 3.3V can be converted to 2.5V into
And export and give extension bridge device 20.
In the present embodiment, low pressure difference linear voltage regulator 403 is used to input voltage being converted to 1.2V and defeated for 3.3V
Go out and give switching bridge device 30, if for example, low pressure difference linear voltage regulator 403 is using the low of the model APL5930 of ANPEC companies
Pressure difference linear voltage regulator, then the low pressure difference linear voltage regulator input voltage 3.3V can be converted to 1.2V and exported to connection-bridge
Equipment 30.
A kind of extension mainboard and expansion system that embodiment of the present invention is provided, by being set at the same time on extension mainboard
The extension bridge device 20 and switching bridge device 30 of connection are in communication with each other, and by extending multiple PCIE interfaces of bridge device 20
Communicate to connect multiple device PCIs and communicate to connect multiple device PCIs by the multiple pci interfaces for bridge device 30 of transferring, with reality
Existing expanded function, greatly improves the hardware compatibility of domestic CPU, and make it that system performance is farthest played.
It is worth noting that, the foregoing is merely illustrative of the preferred embodiments of the present invention, it is not intended to limit the invention, it is all
All any modification, equivalent and improvement made within the spirit and principles in the present invention etc., should be included in the guarantor of the present invention
Within the scope of shield.
Claims (8)
1. one kind extension mainboard, including processor, it is characterised in that the extension mainboard further includes：
Bridge device, including multiple PCIE interfaces are extended, and is connected by one of PCIE interfaces with the processor communication；Institute
It is X8PCIE passages to state the passage that extension bridge device is connected with the processor communication；
Transfer bridge device, including PCIE interfaces and multiple pci interfaces, and the PCIE interfaces by the switching bridge device and institute
Extension bridge device communication connection is stated, and communicates to connect multiple PCI respectively by the multiple pci interfaces for transferring bridge device and sets
It is standby；The switching bridge device and the passage of the extension bridge device communication connection are X1PCIE passages.
2. extension mainboard as claimed in claim 1, it is characterised in that the extension bridge device is PCIE power boards.
3. extension mainboard as claimed in claim 2, it is characterised in that the extension bridge device passes through the extension bridge device
Multiple PCIE interfaces are communicated to connect with multiple PCIE devices respectively.
4. extension mainboard as claimed in claim 3, it is characterised in that the quantity of PCIE interfaces of the extension bridge device is
10。
5. extension mainboard as claimed in claim 1, it is characterised in that the switching bridge device is PCI Bridge piece.
6. extension mainboard as claimed in claim 5, it is characterised in that the quantity of the pci interface of the switching bridge device is 4.
7. a kind of expansion system, it is characterised in that the expansion system includes：
As claim 1-6 any one of them extends mainboard；
To the power supply module of the extension main board power supply.
8. expansion system as claimed in claim 7, it is characterised in that the power supply module includes the first PWM controller, second
PWM controller and low pressure difference linear voltage regulator, wherein, first PWM controller and second PWM controller are used for
Communication power supply is provided to the extension bridge device of the extension mainboard, the low pressure difference linear voltage regulator is used for the extension mainboard
Switching bridge device provide communication power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210547906.6A CN103869883B (en) | 2012-12-17 | 2012-12-17 | One kind extension mainboard and expansion system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210547906.6A CN103869883B (en) | 2012-12-17 | 2012-12-17 | One kind extension mainboard and expansion system |
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| CN103869883A CN103869883A (en) | 2014-06-18 |
| CN103869883B true CN103869883B (en) | 2018-05-04 |
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| CN201210547906.6A Active CN103869883B (en) | 2012-12-17 | 2012-12-17 | One kind extension mainboard and expansion system |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104407895A (en) * | 2014-12-01 | 2015-03-11 | 浪潮集团有限公司 | Method and device for enabling X86 new platform to support WIN2000 by expanding traditional bridge chips |
| CN106502941A (en) * | 2016-11-25 | 2017-03-15 | 北京兆芯电子科技有限公司 | Input/output expander, computer system and its collocation method |
| CN109213717B (en) * | 2018-08-31 | 2022-04-05 | 北京计算机技术及应用研究所 | Double-bridge-plate framework of domestic Feiteng processor |
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| CN202443357U (en) * | 2011-12-31 | 2012-09-19 | 深圳市信步科技有限公司 | Multi-PCIE (peripheral component interconnect express)-signal interface mainboard with peer-to-peer communication function |
| CN202453767U (en) * | 2011-12-31 | 2012-09-26 | 深圳市信步科技有限公司 | Multi-PCI signal interface main board with peer to peer communication function |
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| CN100462896C (en) * | 2004-05-19 | 2009-02-18 | 鸿富锦精密工业（深圳）有限公司 | CPU working voltage adjustment system |
| US7480303B1 (en) * | 2005-05-16 | 2009-01-20 | Pericom Semiconductor Corp. | Pseudo-ethernet switch without ethernet media-access-controllers (MAC's) that copies ethernet context registers between PCI-express ports |
| EP2059877B1 (en) * | 2006-09-06 | 2010-08-18 | Thomson Licensing | Device for processing a stream of data words |
| CN101826973B (en) * | 2010-05-04 | 2013-05-15 | 惠州Tcl移动通信有限公司 | Power supply circuit for high-speed small-size interface module of personal computer and design method |
| CN202421950U (en) * | 2011-12-16 | 2012-09-05 | 北京航天测控技术有限公司 | External expanding unit for PCI (Peripheral Component Interconnect) bus board cards |
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| CN202443357U (en) * | 2011-12-31 | 2012-09-19 | 深圳市信步科技有限公司 | Multi-PCIE (peripheral component interconnect express)-signal interface mainboard with peer-to-peer communication function |
| CN202453767U (en) * | 2011-12-31 | 2012-09-26 | 深圳市信步科技有限公司 | Multi-PCI signal interface main board with peer to peer communication function |
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