CN100421049C - System main board with extensibility and variability - Google Patents
System main board with extensibility and variability Download PDFInfo
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- CN100421049C CN100421049C CNB2005101034627A CN200510103462A CN100421049C CN 100421049 C CN100421049 C CN 100421049C CN B2005101034627 A CNB2005101034627 A CN B2005101034627A CN 200510103462 A CN200510103462 A CN 200510103462A CN 100421049 C CN100421049 C CN 100421049C
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Abstract
This invention discloses a kind of king plank with functions such as expandability and variability, which consists of circuit board A with slug group, circuit board B with central processing unit and a linker. The slug group and central processing unit were located on two separated board so that it is convenient for king plank renew. The extended function was enhanced and cost reduced by using the linker. And renew and validation is much easier.
Description
Technical field
The invention relates to a kind of system board function extended technology, particularly the super transfer bus of system board setting can be designed to use high frequency connectors series connection, become and have expandability and variational system board about a kind of.
Background technology
Mainboard (Main Board, M/B) be maximum in a computing machine circuit board, it provides the installation slot for CPU, internal memory and various function card, and provide the connection communication interface for various I/O equipment, multimedia and communication facilities, computing machine can couple together various assemblies such as CPU and external unit by this mainboard, form the complete system of a cover, and computing machine must be finished to controlling all of Installed System Memory, memory element and other I/O equipment by mainboard.
At requirements of different users and range of application, mainboard is designed to different types, mainly is divided into: desktop computer mainboard and server/workstation mainboard.The desktop computer mainboard is meant the mainboard that is applied in personal computer, and template is ATX or Micro AT external, and uses common chassis power supply.Server/workstation mainboard is the mainboard product that is exclusively used in server/workstation, and template is bigger ATX, EATX or WATX structure, uses special-purpose machine box for server power supply.
Super transmission (Hyper Transport; HT) be that a kind of integrated circuit of supporting carries out the interconnection technique of high speed, the point-to-point contact of high-performance, can satisfy the frequency range needs of next generation computer and communications platform.Not only help the number that reduces bus, guarantee that also personal computer, workstation, server, multiple different Embedded Application scheme and the multicomputer system of high flexible can carry out high performance linking.In addition, hyper transport technology also can be guaranteed the personal computer chip, network and communications device can be than the existing fast 48 times speed mutual communication of some bussing technique.Therefore, in multiple different computer-internal bussing technique, hyper transport technology provides higher compatibility and frequency range.
See also Fig. 1, the existing system main board writing is general all to be installed in other assembly such as memory element 122 etc. of north bridge chips 111, South Bridge chip 112, CPU (central processing unit) 121 and some on the same circuit board, and between two CPU (central processing unit) 121, between CPU (central processing unit) 121 and the north bridge chips 111 and all interconnect by super transfer bus 13 between CPU (central processing unit) 121 and the South Bridge chip 112.
The shortcoming of said system mainboard 1 is: when needs are changed the CPU (central processing unit) 121 of new model or the model of memory element 122 is extended for DDRII by DDR, because the CPU (central processing unit) 121 and the slot-type of memory element 122 on system board 1 of different model have nothing in common with each other, thereby, if need to change or the wherein arbitrary assembly of upgrading, the monoblock circuit board all must be changed.Secondly, the system board 1 that shows among Fig. 1 is symmetrical multiprocessing (Symmetrical Multi-Processing, SMP) system's (being called for short the 2P system), just use the identical CPU (central processing unit) 121 of two product types and running frequency, if the user needs system board 1 is expanded into the 4P system, then need to increase the slot number of the CPU (central processing unit) 121 on the system board 1, because existing project organization makes that the extendibility of system board 1 is relatively poor, therefore, also need the monoblock circuit board is changed.
Therefore, how to propose a kind of monoblock circuit board that need not to change, each assembly on this circuit board can be changed separately, and can not be had influence on the mainboard structure of other assembly, make the more flexible aspect expansion and replacement of system board, become problem to be overcome at present.
Summary of the invention
For solving the shortcoming of above-mentioned prior art, what fundamental purpose of the present invention was to provide a kind of extended function that improves system board has expandability and a variational system board.
Another object of the present invention is to provide a kind of have expandability and variational system board, under the situation that does not have influence on other assembly, the associated component of altering system mainboard makes the renewal operation of this system board more flexible separately.
A further object of the present invention is to provide a kind of have expandability and variational system board, can utilize the circuit board that is provided with CPU (central processing unit) set system chipset is verified and to be upgraded.
For reaching above-mentioned and other purpose, of the present invention have expandability and variational system board comprises: first circuit board, be provided with system chipset (Chip Set), this system chipset is made up of South Bridge chip and north bridge chips, and this first circuit board also is provided with super transfer bus; Second circuit board is provided with CPU (central processing unit), when this system board is symmetrical multiprocessing system, interconnects by super transfer bus between two CPU (central processing unit); And connector, be high frequency connectors, electrically connect with this first circuit board and second circuit board, and the super transfer bus that is arranged on this first circuit board is electrically connected to these high frequency connectors respectively with South Bridge chip and north bridge chips.
Wherein, this system chipset is made up of South Bridge chip (South Bridge) and north bridge chips (NorthBridge), also is provided with super transfer bus on this first circuit board, electrically connects this system chipset and connector; Also interconnect between each CPU (central processing unit) on this second circuit board by this super transfer bus.
Compared with prior art, it is of the present invention that to have expandability and variational system board be system chipset and CPU (central processing unit) can be placed in two independently on the circuit board, the associated component of altering system mainboard can not have influence on other assembly separately, makes the renewal operation of this system board more flexible; And utilize high frequency connectors that two circuit boards are electrically connected, and improve the extendibility of system board, and then reduced cost of products, in addition, also be convenient to carry out the renewal and the checking work of system board.
Description of drawings
Fig. 1 is the structural representation calcspar of the system board used always;
Fig. 2 is the structural representation calcspar with expandability and variational system board of the present invention; And
Fig. 3 A to Fig. 3 C is the embodiment block schematic diagram of explanation system board of the present invention.
Embodiment
Embodiment
Fig. 2 is the structural representation calcspar with expandability and variational system board 2 of the present invention.
As shown in the figure, system board 2 of the present invention comprises: first circuit board 21, second circuit board 22 and connector 23.In the present embodiment, system board 2 of the present invention is applied in the information equipments such as personal computer, workstation.
This first circuit board 21 is provided with system chipset (Chip Set), this system chipset comprises South Bridge chip 211 and north bridge chips 212, wherein, north bridge chips 212 is supported Peripheral Component Interconnect (Peripheral Component Interconnect Extended, PCI-X) bus interface, system board 2 of the present invention also snaps into connector 23 by super transfer bus 213 respectively with South Bridge chip 211 and north bridge chips 212, carries out the data transmission operation.
This second circuit board 22 is provided with at least one CPU (central processing unit) (CPU) 221, in the present embodiment, second circuit board 22 is provided with two product types and the identical CPU (central processing unit) 221 of running frequency, just this system board 2 is symmetrical multiprocessing (SymmetricalMulti-Processing, SMP) system, being called for short the 2P system, is to interconnect by super transfer bus 223 between two CPU (central processing unit) 221.In addition, memory element 222 is set also on second circuit board 22, memory element 22 can for example be SRAM, DRAM, DDRAM, DDR II RAM etc.
This connector 23 is high frequency connectors, electrically connects with first circuit board 21 and second circuit board 22 respectively.
In sum, system board 2 of the present invention mainly has following effect: 1. the expansion performance that can improve system board; Fig. 3 A is the mainboard with two P system, if need this mainboard is expanded into the 4P system, then only needs to overlap a second circuit board 22 again at this system board 2 in addition and gets final product; 2. the associated component of update system mainboard 2 flexibly, see also Fig. 3 A, if it is " 1207 " that the user need change the model of CPU (central processing unit) 221, when other system chipset all remains unchanged, then only need to change second circuit board 22 and get final product (shown in Fig. 3 B), in like manner, if when the user needs that the system chipset upgrading is updated to the north bridge chips 212 of the South Bridge chip 211 of " Nvidia Nforce2200 " model and " PCI-X AMD 8131 " model, then only need to replace this first circuit board 21 and get final product (shown in Fig. 3 C); 3. be convenient to carry out testing, the user can utilize the second circuit board 2 that is provided with CPU (central processing unit) 221, and checking is through system chipset after upgrading and super transmission chip.
Claims (1)
1. one kind has expandability and variational system board, it is characterized in that this system board comprises:
First circuit board is provided with system chipset, and this system chipset is made up of South Bridge chip and north bridge chips, and this first circuit board also is provided with super transfer bus;
Second circuit board is provided with CPU (central processing unit), when this system board is symmetrical multiprocessing system, interconnects by super transfer bus between two CPU (central processing unit); And
High frequency connectors electrically connect with this first circuit board and second circuit board, and the super transfer bus that is arranged on this first circuit board are electrically connected to these high frequency connectors respectively with South Bridge chip and north bridge chips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005101034627A CN100421049C (en) | 2005-09-15 | 2005-09-15 | System main board with extensibility and variability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005101034627A CN100421049C (en) | 2005-09-15 | 2005-09-15 | System main board with extensibility and variability |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1932714A CN1932714A (en) | 2007-03-21 |
| CN100421049C true CN100421049C (en) | 2008-09-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005101034627A Expired - Fee Related CN100421049C (en) | 2005-09-15 | 2005-09-15 | System main board with extensibility and variability |
Country Status (1)
| Country | Link |
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| CN (1) | CN100421049C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102411398A (en) * | 2010-09-21 | 2012-04-11 | 鸿富锦精密工业（深圳）有限公司 | Main board |
| CN102520768B (en) * | 2011-12-29 | 2014-11-26 | 曙光信息产业股份有限公司 | Blade server motherboard and system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020044420A1 (en) * | 2001-09-26 | 2002-04-18 | Portwell Inc. | Industrial computer case structure with modular interface card expansion capability |
| CN2606389Y (en) * | 2003-02-25 | 2004-03-10 | 廖蒋勋 | East-west bidirectional main board |
| CN1532667A (en) * | 2003-03-18 | 2004-09-29 | 华宇电脑股份有限公司 | Extension card with monitoring function |
| US20050013112A1 (en) * | 2003-07-18 | 2005-01-20 | Lin Chein Ming | Industry computer structure with two expansive forms |
-
2005
- 2005-09-15 CN CNB2005101034627A patent/CN100421049C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020044420A1 (en) * | 2001-09-26 | 2002-04-18 | Portwell Inc. | Industrial computer case structure with modular interface card expansion capability |
| CN2606389Y (en) * | 2003-02-25 | 2004-03-10 | 廖蒋勋 | East-west bidirectional main board |
| CN1532667A (en) * | 2003-03-18 | 2004-09-29 | 华宇电脑股份有限公司 | Extension card with monitoring function |
| US20050013112A1 (en) * | 2003-07-18 | 2005-01-20 | Lin Chein Ming | Industry computer structure with two expansive forms |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1932714A (en) | 2007-03-21 |
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| SE01 | Entry into force of request for substantive examination | ||
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Granted publication date: 20080924 Termination date: 20110915 |