CN103869883A - Extension mainboard and extension system - Google Patents
Extension mainboard and extension system Download PDFInfo
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- CN103869883A CN103869883A CN201210547906.6A CN201210547906A CN103869883A CN 103869883 A CN103869883 A CN 103869883A CN 201210547906 A CN201210547906 A CN 201210547906A CN 103869883 A CN103869883 A CN 103869883A
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Abstract
The invention is applicable to the communication field and provides an extension mainboard. The extension mainboard comprises a processor, and also an extension bridge device and an adapter bridge device, wherein the extension bridge device comprises a plurality of PCIE (Peripheral Component Interconnect Express) interfaces, and is in communication connection with the processor by virtue of one PCIE interface; the adapter bridge device comprises a PCIE interface and a plurality of PCI (Peripheral Component Interconnect) interfaces, the adapter bridge device is in communication connection with the extension bridge device through the PCIE interface of the adapter bridge device, and the plurality of PCI interfaces of the adapter bridge device are in communication connection with a plurality of PCI devices, respectively. The invention also provides an extension system. The extension mainboard and the extension system are capable of realizing access and interaction of domestic CPUs (Central Processing Unit) with the PCIE devices and the PCI devices, and further realizing extended functions.
Description
Technical field
The present invention relates to the communications field, relate in particular to a kind of expansion mainboard and expanding system.
Background technology
PCI Express is high-performance I/O(Input/Ouput of new generation, I/O) interconnection technique, be called for short PCIE, be widely used in computer platform as the local I/O bus of standard.
Due to convenient in transfer rate and bandwidth and design of PCIE equipment, a large amount of PCIE equipment arise at the historic moment.But, domestic CPU only has one or two PCIE interface at present, and there is no PCI (peripheral component interconnect) bus (Peripheral Component Interconnect, PCI) interface, also just cannot expand PCIE equipment and PCI equipment, so just make the hardware compatibility of domestic CPU poor, system performance cannot farthest be brought into play.
Therefore, in order to improve the hardware compatibility of domestic CPU, system performance is farthest brought into play, need to be designed a kind of brand-new expansion mainboard and expanding system.
Summary of the invention
In view of this, the object of the embodiment of the present invention is to provide a kind of expansion mainboard and expanding system, is intended to solve in prior art the hardware compatibility of domestic CPU poor, the problem that system performance cannot at utmost be brought into play.
The embodiment of the present invention is achieved in that a kind of expansion mainboard, comprises processor, and wherein, described expansion mainboard also comprises:
Expansion bridge device, comprises multiple PCIE interfaces, and is connected with described processor communication by one of them PCIE interface;
Connection-bridge equipment, comprises PCIE interface and multiple pci interface, and by PCIE interface and the communication connection of described expansion bridge device of described connection-bridge equipment, and communicate to connect respectively multiple PCI equipment by multiple pci interfaces of described connection-bridge equipment.
Preferably, described expansion bridge device is PCIE power board.
Preferably, described expansion bridge device is connected with multiple PCIE devices communicatings respectively by multiple PCIE interfaces of described expansion bridge device.
Preferably, the quantity of the PCIE interface of described expansion bridge device is 10.
Preferably, the passage that described expansion bridge device is connected with described processor communication is X8PCIE passage.
Preferably, described connection-bridge equipment is PCI bridge sheet.
Preferably, the quantity of the pci interface of described connection-bridge equipment is 4.
Preferably, the passage of described connection-bridge equipment and the communication connection of described expansion bridge device is X1PCIE passage.
On the other hand, the present invention also provides a kind of expanding system, comprising:
Expansion mainboard described in above-mentioned any one;
To the supply module of described expansion main board power supply.
Preferably, described supply module comprises a PWM controller, the 2nd PWM controller and low pressure difference linear voltage regulator, wherein, a described PWM controller and described the 2nd PWM controller are for providing communication power supply to the expansion bridge device of described expansion mainboard, and described low pressure difference linear voltage regulator is for providing communication power supply to the connection-bridge equipment of described expansion mainboard.
In embodiments of the present invention, technical scheme provided by the invention, by expansion bridge device and the connection-bridge equipment of mutual communication connection are set on expansion mainboard simultaneously, and the multiple PCIE interface communications by expansion bridge device connect multiple PCI equipment and communicate to connect multiple PCI equipment by multiple pci interfaces of connection-bridge equipment, to realize expanded function, improve greatly the hardware compatibility of domestic CPU, and system performance is farthest brought into play.
Brief description of the drawings
Fig. 1 is the syndeton schematic diagram of expanding mainboard in an embodiment of the present invention; And
Fig. 2 is the supply module of expanding system in an embodiment of the present invention and the syndeton schematic diagram of expansion bridge device and connection-bridge equipment.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
The specific embodiment of the invention provides a kind of expansion mainboard, and as shown in Figure 1, this expansion mainboard, comprises processor, and wherein, described expansion mainboard also comprises:
Expansion bridge device, comprises multiple PCIE interfaces, and is connected with described processor communication by one of them PCIE interface;
Connection-bridge equipment, comprise PCIE interface and multiple pci interface, and by PCIE interface and the communication connection of described expansion bridge device of described connection-bridge equipment, and communicate to connect respectively multiple PCI equipment by multiple pci interfaces of described connection-bridge equipment, to realize expanded function.
A kind of expansion mainboard provided by the present invention, by expansion bridge device and the connection-bridge equipment of mutual communication connection are set on expansion mainboard simultaneously, and the multiple PCIE interface communications by expansion bridge device connect multiple PCI equipment and communicate to connect multiple PCI equipment by multiple pci interfaces of connection-bridge equipment, to realize expanded function, improve greatly the hardware compatibility of domestic CPU, and system performance is farthest brought into play.
Below will be elaborated to a kind of expansion mainboard provided by the present invention.
Refer to Fig. 1, for expanding the syndeton schematic diagram of mainboard in an embodiment of the present invention.In the present embodiment, this expansion mainboard comprises processor 10, expansion bridge device 20 and connection-bridge equipment 30.
1) support 48-lane, the PCIE bridge sheet of maximum 12-port;
2) operation of support 5.0GT/S GEN2 and 2.5GT/S GEN1;
3) support bandwidth maximum to reach 48GBps;
4) support X1, X2, X4, the port of X8 connects width;
5) support automatic lane reversal and cross connection;
6) 12 switch partitions of maximum support;
7) support PCIE equipment hot swap, support the power management states of D0, D3, support the connection status management of L0, L0s, L1, L2, L3;
8) compatible with PCI Express Base Specification 2.0.
Certainly, expansion bridge device 20 also can adopt the PCIE SWITCH of other companies, does not just limit at this.
In the present embodiment, expansion bridge device 20 communicates to connect by one of them PCIE interface and processor 10, and the passage of communication connection is X8PCIE passage (X8PCIE LANE).
In the present embodiment, expansion bridge device 20 is connected with multiple PCIE devices communicatings respectively by multiple PCIE interfaces of expansion bridge device 20.For example, in the present embodiment, the quantity of the PCIE interface of expansion bridge device 20 is 10, wherein, a PCIE interface communicates to connect by X8PCIE passage and processor 10, and another PCIE interface and connection-bridge equipment 30 communicate to connect, and other 8 PCIE interfaces connect respectively PCIE equipment 201-208.And according to setting different interface channels from the communicating requirement of different PCIE equipment, for example, can set PCIE equipment 201,202,203,204,206,207,208 and the passage that communicates to connect of expansion bridge device 20 is X1-X4PCIE passage (X1-X4PCIE LANE), can set PCIE equipment 205 is X1-X8PCIE passage (X1-X8PCIE LANE) with the passage that expansion bridge device 20 communicates to connect, certainly, also can set according to other communicating requirement the passage of different communication connections, just not limit at this.
In other modes, the numerical value that the quantity of the PCIE interface of expansion bridge device 20 can be different according to actual requirements set, does not just limit at this.
Connection-bridge equipment 30 comprises PCIE interface and multiple pci interface.In the present embodiment, connection-bridge equipment 30 communicates to connect by its PCIE interface and expansion bridge device 20.In the present embodiment, connection-bridge equipment 30 is PCI bridge sheet (PCI BRIDGE), for example, can adopt the PCI bridge sheet of Integrated Device Technology, Inc., and concrete model is 89HPEB383.If adopt the PCI bridge sheet of Integrated Device Technology, Inc., the PCI bridge sheet that model is 89HPEB383 comprises following basic function:
1) PCIE of X1Lane turns PCI bridge sheet;
2) compatible with PCI Express Base Specification 1.1;
3) 32 or 64-bit addressing, the data bus of 32;
25,33,50,66MHz 4) frequency of operation is:;
5) signal is 5V voltage tolerant;
6) certainly produce PCI clock to 4 PCI equipment.
Certainly, connection-bridge equipment 30 also can adopt the PCI bridge sheet of other companies, does not just limit at this.
In the present embodiment, connection-bridge equipment 30 is X1PCIE passage (X1PCIE LANE) with the passage that expansion bridge device 20 communicates to connect.
In the present embodiment, connection-bridge equipment 30 communicates to connect respectively multiple PCI equipment by its multiple pci interfaces, to realize expanded function.For example, in the present embodiment, the quantity of the pci interface of connection-bridge equipment 30 is 4, for connecting respectively PCI equipment 301-304.
In other modes, the numerical value that the quantity of the pci interface of connection-bridge equipment 30 can be different according to actual requirements set, does not just limit at this.
The present invention also provides a kind of expanding system, comprises expansion mainboard as shown in Figure 1 and for the supply module 40 to this expansion main board power supply.Wherein, the syndeton schematic diagram that this supply module 40 is powered to expansion bridge device 20 and the connection-bridge equipment 30 of this expansion mainboard as shown in Figure 2.
Referring to Fig. 2, is the supply module 40 of expanding system in an embodiment of the present invention and the syndeton schematic diagram of expansion bridge device 20 and connection-bridge equipment 30.
In the present embodiment, supply module 40 comprises a PWM controller (PWM controller) 401, the 2nd PWM controller 402 and low pressure difference linear voltage regulator (Low Dropout regulator, LDO) 403, wherein, the one PWM controller 401 and the 2nd PWM controller 402 are for providing communication power supply to the expansion bridge device 20 of expansion mainboard, and low pressure difference linear voltage regulator 403 is for providing communication power supply to the connection-bridge equipment 30 of expansion mainboard.
In the present embodiment, the expansion bridge device 20 of expansion mainboard needs two kinds of power supply: 1.0V and 2.5V.The one PWM controller 401 is for being that 5V is converted to 1.0V and exports to expansion bridge device 20, the two PWM controllers 402 for being that 3.3V is converted to 2.5V and exports to expansion bridge device 20 by input voltage by input voltage.For example, if a PWM controller 401 adopts the PWM controller that the model of company of Texas Instrument (TI) is TPS51218, a PWM controller 401 can be converted to input voltage 5V 1.0V and then export to expansion bridge device 20; If the 2nd PWM controller 402 adopts the PWM controller that the model of Intersil company is ISL65426, the 2nd PWM controller 402 can be converted to input voltage 3.3V 2.5V and then export to expansion bridge device 20.
In the present embodiment, low pressure difference linear voltage regulator 403 is for being that 3.3V is converted to 1.2V and exports to connection-bridge equipment 30 by input voltage, for example, if low pressure difference linear voltage regulator 403 adopts the low pressure difference linear voltage regulator that the model of ANPEC company is APL5930, this low pressure difference linear voltage regulator can be converted to input voltage 3.3V 1.2V and export to connection-bridge equipment 30.
One expansion mainboard and expanding system that embodiment of the present invention provides, by expansion bridge device 20 and the connection-bridge equipment 30 of mutual communication connection are set on expansion mainboard simultaneously, and the multiple PCIE interface communications by expansion bridge device 20 connect multiple PCI equipment and communicate to connect multiple PCI equipment by multiple pci interfaces of connection-bridge equipment 30, to realize expanded function, improve greatly the hardware compatibility of domestic CPU, and system performance is farthest brought into play.
It should be noted that and the foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. an expansion mainboard, comprises processor, it is characterized in that, described expansion mainboard also comprises:
Expansion bridge device, comprises multiple PCIE interfaces, and is connected with described processor communication by one of them PCIE interface;
Connection-bridge equipment, comprises PCIE interface and multiple pci interface, and by PCIE interface and the communication connection of described expansion bridge device of described connection-bridge equipment, and communicate to connect respectively multiple PCI equipment by multiple pci interfaces of described connection-bridge equipment.
2. expansion mainboard as claimed in claim 1, is characterized in that, described expansion bridge device is PCIE power board.
3. expansion mainboard as claimed in claim 2, is characterized in that, described expansion bridge device is connected with multiple PCIE devices communicatings respectively by multiple PCIE interfaces of described expansion bridge device.
4. expansion mainboard as claimed in claim 3, is characterized in that, the quantity of the PCIE interface of described expansion bridge device is 10.
5. expansion mainboard as claimed in claim 1, is characterized in that, the passage that described expansion bridge device is connected with described processor communication is X8PCIE passage.
6. expansion mainboard as claimed in claim 1, is characterized in that, described connection-bridge equipment is PCI bridge sheet.
7. expansion mainboard as claimed in claim 6, is characterized in that, the quantity of the pci interface of described connection-bridge equipment is 4.
8. expansion mainboard as claimed in claim 1, is characterized in that, the passage of described connection-bridge equipment and the communication connection of described expansion bridge device is X1PCIE passage.
9. an expanding system, is characterized in that, described expanding system comprises:
Expansion mainboard as described in claim 1-8 any one;
To the supply module of described expansion main board power supply.
10. expanding system as claimed in claim 9, it is characterized in that, described supply module comprises a PWM controller, the 2nd PWM controller and low pressure difference linear voltage regulator, wherein, a described PWM controller and described the 2nd PWM controller are for providing communication power supply to the expansion bridge device of described expansion mainboard, and described low pressure difference linear voltage regulator is for providing communication power supply to the connection-bridge equipment of described expansion mainboard.
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| CN201210547906.6A CN103869883B (en) | 2012-12-17 | 2012-12-17 | One kind extension mainboard and expansion system |
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| CN201210547906.6A CN103869883B (en) | 2012-12-17 | 2012-12-17 | One kind extension mainboard and expansion system |
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| CN103869883A true CN103869883A (en) | 2014-06-18 |
| CN103869883B CN103869883B (en) | 2018-05-04 |
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Cited By (3)
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| 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 piece |
| 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 |
| CN109213717A (en) * | 2018-08-31 | 2019-01-15 | 北京计算机技术及应用研究所 | The twinbridge piece framework of domestic Feiteng processor |
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| 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 piece |
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| CN109213717A (en) * | 2018-08-31 | 2019-01-15 | 北京计算机技术及应用研究所 | The twinbridge piece framework of domestic Feiteng processor |
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| CN103869883B (en) | 2018-05-04 |
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