CN203191885U

CN203191885U - Server main board based on double-circuit loongson 3B CPU

Info

Publication number: CN203191885U
Application number: CN 201320160221
Authority: CN
Inventors: 朱书杉; 刘强; 唐宏
Original assignee: Shandong Chaoyue Numerical Control Electronics Co Ltd
Current assignee: Zhejiang Chaoyue Cnc Electronic Technology Co ltd
Priority date: 2013-04-02
Filing date: 2013-04-02
Publication date: 2013-09-11
Anticipated expiration: 2023-04-02

Abstract

The utility model discloses a server main board based on a double-circuit loongson 3B CPU, and belongs to the field of sever main board design. According to the structure, the server main board based on the double-circuit loongson 3B CPU comprises a main board management module and two loongson 3B CPUs, one of the two loongson 3B CPUs is a primary CPU, the other one of the two loongson 3B CPUSs is an auxiliary CPU, the primary CPU is connected with the auxiliary CPU through an HT bus, the primary CPU is connected with an AMDRS780E north bridge chip through another set of HT bus, an AMDRS780E north bridge chip is provided with an AMDSB710 chip in a connecting mode through an A-linkExpreeII bus, and the main board management module is connected with the AMDSB710 chip. An AMDRS780E north bridge chip is connected with one PCIESWITCH chip through a PCIE bus, and is extended to form two PCI devices through the PCIESWITCH chip. The AMDRS780E north bridge chip is connected with three sets of VGA interfaces through a frequency dividing circuit. Compared with the prior art, the server main board based on the double-circuit loongson 3B CPU has the advantages of being reasonable in design, simple in structure, convenient to use, good in using effect and the like.

Description

A kind of server master board based on two-way Godson 3B CPU

Technical field

The utility model relates to the server master board design field, specifically a kind of server master board based on two-way Godson 3B CPU.

Background technology

At present, Godson 3 serial CPU have had new product Godson 3B, have 8 kernels, dominant frequency 1GHz, the CPU(Godson 3A of model) in performance further lifting has been arranged, the update of Godson 3 serial CPU and the speed of industrialization have been accelerated in the design of the server master board that can be used for realizing that performance is higher.

Summary of the invention

The utility model provides a kind of server master board based on two-way Godson 3B CPU, for use and the industrialization of Godson 3B CPU provides a kind of good design proposal.

The technical problems to be solved in the utility model:

1, how interconnected working in coordination with carried out work to two Godson 3B CPU.

2, how to realize the concurrent working simultaneously of 3 PCIE equipment at Godson 3B chipset platform.

3, how to realize that 3 groups of VGA signals export simultaneously.

The technical scheme that its technical matters that solves the utility model adopts is:

A kind of server master board based on two-way Godson 3B CPU, comprise mainboard administration module, two Godson 3B CPU, one is host CPU, another is from CPU, host CPU passes through the HT bus and is connected from CPU, host CPU is connected with AMD RS780E north bridge chips by another group HT bus again, and AMD RS780E north bridge chips is connected with AMD SB710 chip by A-link Expree II bus, and the mainboard administration module is connected with AMD SB710 chip; AMD RS780E north bridge chips is mounted with a slice PCIE SWITCH chip by the PCIE bus, by the expansion of PCIE SWITCH chip 2 PCIE equipment is arranged again; AMD RS780E north bridge chips is connected with three groups of VGA interfaces by frequency dividing circuit.

A kind of server master board based on two-way Godson 3B CPU, its every CPU is connected with 4 ECC DDR3 memory banks.

A kind of server master board based on two-way Godson 3B CPU, it draws 8 USB2.0 interfaces and 5 groups of SATA interfaces from south bridge SB710.

A kind of server master board based on two-way Godson 3B CPU, its mainboard administration module adopts the AST2050 chip, and it is by lpc bus, USB and I2C and the interconnection of AMD SB710 chip.

A kind of server master board based on two-way Godson 3B CPU, its AMD RS780E north bridge chips expands 4 road gigabit Ethernets by INTEL 82574 network chips.

1, adopting two one of Godson 3B CPU be host CPU, and one is from CPU, and two CPU form symmetrical multiprocessing architecture system, and host CPU passes through the HT bus and is connected from CPU, and two Godson 3B CPU just can be interconnected and be collaboratively carried out work.

2, a slice PCIE SWITCH chip is articulated on the Godson 3B chipset north bridge AMD RS780E by the PCIE bus, again by 2 PCIE equipment of PCIE SWITCH chip expansion, add 1 group of PCIE equipment that north bridge AMD RS780E controls oneself and expands, just can be implemented in 3 PCIE equipment of parallel running simultaneously on the Godson 3B chipset platform.

3, Godson 3B chipset AMD RS780E only supports the output of one group of VGA signal, by frequency dividing circuit the VGA signal is divided into three groups, just can realize that 3 groups of VGA signals export simultaneously.

The utility model compared with prior art, the beneficial effect that produces is:

It is main using two one of Godson 3B CPU, one is from forming symmetrical multiprocessing architecture system, host CPU passes through the HT bus and is connected from CPU, be connected with AMD RS780E north bridge chips by another group HT bus again, AMD RS780E north bridge chips is connected with AMD SB710 chip by A-link Expree II bus, the logical fortune of server B MC managing chip lpc bus, USB and I2C communicate by letter realization to the management of server master board with AMD SB710, and by the form of network management information are sent to far-end.AMD 780E expands 4 road gigabit Ethernets by INTEL 82574 network chips, is used for the server correspondence with foreign country.Be connected on the Godson 3B chipset north bridge AMD RS780E by a slice PCIE SWITCH chip PEX 8619,3 PCIE equipment of parallel running simultaneously on Godson 3B chipset platform have been realized, the frequency dividing circuit of the VGA signal of north bridge AMD RS780E output by the MAX4382 chip design is divided into three groups, realized that 3 groups of VGA signals export simultaneously.

Description of drawings

Accompanying drawing 1 is theory diagram of the present utility model;

Accompanying drawing 2 PCIE SWITCH theory diagrams;

Accompanying drawing 3 VGA frequency dividing circuit schematic diagrams.

Embodiment

Below in conjunction with accompanying drawing the utility model is done following detailed description the in detail.

1) processor

Adopt two Godson 3B processors, the 65nm technological design, maximum dominant frequency is 1GHz, and chip integration becomes eight GS464v vector processor nuclears, and the double-precision floating point arithmetic speed reaches 1,000 hundred million times more than the per second in the sheet, one of them host CPU, another is from CPU.One group of HT bus of host CPU with link to each other from one group of HT bus of CPU, another group HT bus of host CPU is connected with AMD north bridge chips RS780E, north bridge chips RS780E is connected with AMD SB710 South Bridge chip by A-link Expree II bus again.

2) chipset

Adopt AMD780E chipset (comprising 780E north bridge chips and SB710 South Bridge chip).AMD780E supports HT1.0 and HT3.0 agreement, and transfer rate is up to 4.4GT/s, and inner integrated graphics controller is supported DirectX10; Provide 2 PCI-Ex8 bus interface controllers, for the express network interface provides enough data bandwidths.

SB710 provides 33MHz/32 position pci bus, and integrated 5 OHCI Host controllers and 2 EHCI Host controllers can provide 12 USB2.0 interfaces; Integrated SATA Host controller can provide 16 SATA interfaces.

3) internal memory

Two-way Godson 3B server master board has 8 ECC DDR3 memory banks, and each CPU supports 4 internal memories, wall scroll memory size 4GB, and the expansion capacity can reach 32GB.

4）PCIE?SWITCH

AMD RS780E can only support the work of two PCIE equipment simultaneously, PEX 8619 chips have 16 ports, the PCIE of north bridge AMD RS780E * 8 signals are inserted into, be divided into two groups of PCIE * 4 signals again, remaining another group PCIE * 8 signals of north bridge AMD RS780E directly connect peripherals, just can make AMD RS780E can only support the work of three PCIE equipment simultaneously.

5) show control

Integrated graphics card is contained in AMD north bridge chips inside, have 2D and 3D figure and accelerate function, be equipped with independent video memory, by MAX4382 chip design frequency dividing circuit, the VGA signal that north bridge is provided is divided into 3 groups, and signal strengthened, make two Godson 3B server master boards that 3 road VGA interfaces can externally be provided, resolution can reach 1600 * 1200.

6) network control

The PCI-E bus of utilizing back of the body bridge RS780E to provide is expanded 4 tunnel gigabit ethernet interfaces.The gigabit Ethernet control chip adopts Intel 82574 chips.Intel 82574 chips are integrated meets mac controller, PCI-E bus controller, inner buffer, the physical layer signal transceiver of 802.3 standards.

7) mainboard administration module (BMC)

The mainboard administration module adopts the AST2050 chip to realize, it provides two-way IPMB bus by lpc bus interface and South Bridge chip interconnection, supports local management and telemanagement.

8）USB

Draw 8 USB2.0 interfaces from south bridge SB710, so that the diversified request for utilization of different user.

9）SATA

South Bridge chip SB710 can provide 5 groups of SATA interfaces, and 1 group of expansion that is used for system disk is reserved interface for other 4 groups, is used for the different expansion of user requirement.

Except the described technical characterictic of instructions, be those skilled in the art's known technology.

Claims

1. server master board based on two-way Godson 3B CPU, it is characterized in that comprising mainboard administration module, two Godson 3B CPU, one is host CPU, another is from CPU, host CPU passes through the HT bus and is connected from CPU, host CPU is connected with AMD RS780E north bridge chips by another group HT bus again, and AMD RS780E north bridge chips is connected with AMD SB710 chip by A-link Expree II bus, and the mainboard administration module is connected with AMD SB710 chip; AMD RS780E north bridge chips is mounted with a slice PCIE SWITCH chip by the PCIE bus, by the expansion of PCIE SWITCH chip 2 PCIE equipment is arranged again; AMD RS780E north bridge chips is connected with three groups of VGA interfaces by frequency dividing circuit.

2. a kind of server master board based on two-way Godson 3B CPU according to claim 1 is characterized in that every CPU is connected with 4 ECC DDR3 memory banks.

3. a kind of server master board based on two-way Godson 3B CPU according to claim 1 and 2 is characterized in that south bridge SB710 draws 8 USB2.0 interfaces and 5 groups of SATA interfaces.

4. a kind of server master board based on two-way Godson 3B CPU according to claim 1 is characterized in that the mainboard administration module adopts the AST2050 chip, and it is by lpc bus, USB and I2C and the interconnection of AMD SB710 chip.

5. a kind of server master board based on two-way Godson 3B CPU according to claim 1 is characterized in that AMD RS780E north bridge chips expands 4 road gigabit Ethernets by INTEL 82574 network chips.