CN109117392A - A kind of M.2 Interface Expanding card for solid state hard disk - Google Patents

A kind of M.2 Interface Expanding card for solid state hard disk Download PDF

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Publication number
CN109117392A
CN109117392A CN201810822749.2A CN201810822749A CN109117392A CN 109117392 A CN109117392 A CN 109117392A CN 201810822749 A CN201810822749 A CN 201810822749A CN 109117392 A CN109117392 A CN 109117392A
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CN
China
Prior art keywords
module
pcie
hard disk
solid state
state hard
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
Application number
CN201810822749.2A
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Chinese (zh)
Inventor
王树明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhengzhou Yunhai Information Technology Co Ltd
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Zhengzhou Yunhai Information Technology Co Ltd
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Publication date
Application filed by Zhengzhou Yunhai Information Technology Co Ltd filed Critical Zhengzhou Yunhai Information Technology Co Ltd
Priority to CN201810822749.2A priority Critical patent/CN109117392A/en
Publication of CN109117392A publication Critical patent/CN109117392A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/14Handling requests for interconnection or transfer
    • G06F13/16Handling requests for interconnection or transfer for access to memory bus
    • G06F13/1668Details of memory controller
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38Information transfer, e.g. on bus
    • G06F13/42Bus transfer protocol, e.g. handshake; Synchronisation
    • G06F13/4282Bus transfer protocol, e.g. handshake; Synchronisation on a serial bus, e.g. I2C bus, SPI bus
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D10/00Energy efficient computing, e.g. low power processors, power management or thermal management

Abstract

The present invention provides a kind of M.2 Interface Expanding cards for solid state hard disk, including PCIe Switch module, FPGA module, UART module, JTAG module, VR module, sensor module, 12V power module, slimline connector and power consumption monitoring module;The channel PCIe X16 of the PCIe Switch module is connected to host side by slimline connector, and the channel PCIe X1 is connected to mainboard BMC by slimline connector, and the channel PCIe X8 is connected to M.2 Carrier board by standard PCIe connector;The FPGA module is connected to mainboard BMC by I2C repeater and slimline connector, and is connected to PCIe Switch module, M.2 Carrier board, VR module and sensor module by I2C bus group;The FPGA module is connected to PCIe Switch module, M.2 Carrier board, VR module and sensor module by controlling bus group.The present invention solves the problems, such as that mainboard PCIe channel interface is limited, cannot extend well and monitoring management M.2 SSD, and the M.2 interface structure advantage that given full play to saves chassis space, while carrying out bus communication and monitoring management to board equipment.

Description

A kind of M.2 Interface Expanding card for solid state hard disk
Technical field
The present invention relates to board design field, especially a kind of M.2 Interface Expanding card for solid state hard disk.
Background technique
M.2 interface hard disk is compact-sized, and has scalability abundant, can support the channel SATA and PCIe simultaneously, M.2 Interface is easier to improve speed using the channel PCIe, and it is latent to greatly improve SSD (Solid-State Disk, solid state hard disk) performance Power has become the first choice of high-performance Sasobit and SBR D of new generation.For occupying for the biggish hard disk groups in server internal space, M.2 connect The appearance of mouth hard disk, greatly improves the problem of server machine box space anxiety.
But since motherboard space is limited, along with the quantity of the PCIe interface reserved is also fewer, the prior art is only Only by the way that M.2 SSD is mounted directly to mainboard or by a common Carrier card, it is difficult to arrange in pairs or groups large number of M.2 SSD hard disk, thus limit the promotion of server performance.
By expanding the channel PCIe of more multichannel, then carrying on integrated PCIe switch to expansion card Carrier card can install more SSD in narrow space, given full play to M.2 structural advantage and saved chassis space, Promote the performance of server.
In the prior art, mainboard BMC usually passes through I2C bus and realizes to onboard and extension card apparatus access and monitoring, BMC can be by I2C monitoring bus and record part signal of interest into log, but its monitoring signal limitation is in hardware Connection is limited.
Due to each device and equipment status signal of expansion card and M.2 but I2C bus is more, and has part logic on expansion card Control signal, which is not easy to directly adopt mainboard BMC, to be gone to control.If BMC is integrated on expansion card, the pipe of system is increased Complexity is managed, and hardware and software cost is higher.
Therefore, the prior art can not achieve convenient to M.2 SSD, efficient extension and utilize.
Summary of the invention
The object of the present invention is to provide a kind of M.2 Interface Expanding cards for solid state hard disk, it is intended to solve existing skill Mainboard PCIe channel interface is limited in art, cannot extend well and monitoring management M.2 SSD the problem of, realize efficiently it is comprehensive Monitoring management board key signal guarantees that board operates normally.
To reach above-mentioned technical purpose, the present invention provides a kind of M.2 Interface Expanding cards for solid state hard disk, comprising:
PCIe Switch module, FPGA module, UART module, JTAG module, VR module, sensor module, 12V power supply Module, Clock Buffer module, slimline connector and power consumption monitoring module;
The channel PCIe X16 of the PCIe Switch module is connected to host side, PCIe by slimline connector The channel X1 is connected to mainboard BMC by slimline connector, M.2 the channel PCIe X8 is connected to by standard PCIe connector Carrier board;
The FPGA module is connected to mainboard BMC by I2C repeater and slimline connector, or passes through I2C Bus group is connected to PCIe Switch module, M.2 Carrier board, VR module and sensor module;
The FPGA module is connected to PCIe Switch module, M.2 Carrier board, VR mould by controlling bus group Block and sensor module;
The UART module is connected to PCIe Switch module, and the JTAG module is connected to FPGA module.
Preferably, the channel the PCIe X8 is 8 groups, and every group is connected to 1 piece of M.2 Carrier board, and every piece M.2 Carrier jam carries 4 M.2 SSD.
Preferably, the PCIe Switch module provides source clock signal and picks out 32 groups by Clock Buffer module Clock signal is respectively supplied to each M.2 SSD.
Preferably, the FPGA module realizes different branches in bus switch I2C bus group by FPGA internal logic, with Access the equipment on different expansion cards.
Preferably, the UART module is for providing the debugging interface of PCIeSwitch module and upper computer software.
Preferably, the JTAG module is used to provide debugging and development interface for FPGA module.
Preferably, the VR module is used to power for expansion card.
Preferably, the sensor module is used to measure the temperature at monitoring extension snap-gauge end.
Preferably, the 12V module is used to obtain power supply from PSU by Power Conn, and supplies for VR module on board Electricity.
The effect provided in summary of the invention is only the effect of embodiment, rather than invents all whole effects, above-mentioned A technical solution in technical solution have the following advantages that or the utility model has the advantages that
Compared with prior art, the present invention is by expanding more multichannel on integrated PCIe switch to expansion card Then M.2 Carrier board is carried in the channel PCIe, more solid state hard disks can be installed in narrow space, promotes clothes The performance of business device, and I2C management and controlling bus are extended by FPGA, solving mainboard PCIe channel interface in the prior art has Limit, cannot extend well and monitoring management M.2 SSD the problem of, it is empty that the M.2 interface structure advantage that given full play to saves cabinet Between, while bus communication and monitoring management can be carried out to board equipment well again, realize efficiently comprehensive monitoring management board Key signal guarantees that board operates normally.Expansion card interface uses general standard interface, and system is facilitated to be integrated and managed, It can be applied to various application occasions.
Detailed description of the invention
Fig. 1 is a kind of M.2 Interface Expanding card structure schematic diagram for solid state hard disk provided in the embodiment of the present invention.
Specific embodiment
In order to clearly illustrate the technical characterstic of this programme, below by specific embodiment, and its attached drawing is combined, to this Invention is described in detail.Following disclosure provides many different embodiments or example is used to realize different knots of the invention Structure.In order to simplify disclosure of the invention, hereinafter the component of specific examples and setting are described.In addition, the present invention can be with Repeat reference numerals and/or letter in different examples.This repetition is that for purposes of simplicity and clarity, itself is not indicated Relationship between various embodiments and/or setting is discussed.It should be noted that illustrated component is not necessarily to scale in the accompanying drawings It draws.Present invention omits the descriptions to known assemblies and treatment technology and process to avoid the present invention is unnecessarily limiting.
It is provided for the embodiments of the invention a kind of M.2 Interface Expanding card progress for solid state hard disk with reference to the accompanying drawing It is described in detail.
As shown in Figure 1, the embodiment of the invention discloses a kind of M.2 Interface Expanding cards for solid state hard disk, comprising:
PCIe Switch module, FPGA module, UART module, JTAG module, VR module, sensor module, 12V power supply Module, slimline connector and power consumption monitoring module;
The channel PCIe X16 of the PCIe Switch module is connected to host side, PCIe by slimline connector The channel X1 is connected to mainboard BMC by slimline connector, M.2 the channel PCIe X8 is connected to by standard PCIe connector Carrier board;
The FPGA module is connected to mainboard BMC by I2C repeater and slimline connector, and passes through I2C Bus group is connected to PCIe Switch module, M.2 Carrier board, VR module and sensor module;
The FPGA module is connected to PCIe Switch module, M.2 Carrier board, VR mould by controlling bus group Block and sensor module;
The UART module is connected to PCIe Switch module, and the JTAG module is connected to FPGA module.
PCIe Switch module realizes the extension in the channel PCIe in figure.Wherein, PCIex16 passes through slimline connector It is connected to the end HOST, PCIe x1 is connected to mainboard BMC administrative unit by slimline connector.PCIe Switch is expanded 8 groups of PCIe x8 connect machine by standard PCIe and are connected to 8 pieces of M.2 Carrier boards, every piece M.2 Carrier jam carry 4 M.2 SSD.The source clock provided by PCIe Switch picks out 32 groups of clock signals by Clock Buffer module, mentions respectively Supply each M.2 SSD.
Debugging interface of the UART module as PCIe Switch module and upper computer software, facilitates upper computer software pair PCIe Switch carries out the operation such as artificial debugging, firmware burning.
FPGA module realizes I2C bus switch and monitoring signal extension.Wherein, the I2C all the way of mainboard BMC administrative unit Bus is connected to FPGA by slimline connector and I2C repeater, realizes that bus switch I2C is total by FPGA internal logic Different branches in line group, to access distinct device on expansion card, including PCIe Switch module, M.2 Carrier board, VR Module, sensor module etc..FPGA module receives administrative unit control command simultaneously, by controlling bus group respectively to PCIe Switch module, VR module, M.2 the configuration pin of Carrier board, sensor module and power consumption monitoring module is matched It sets and some other basic powerup/reset logic etc..In addition, some status informations output pin of external each module also connects It is connected to FPGA monitoring signal group, the I2C access control of mainboard BMC administrative unit is realized by FPGA internal logic.
JTAG module is debugging and the development interface of FPGA module, may be implemented to imitate FPGA module online by this interface Very, firmware programming etc. is configured.
VR module is mainly the module for power supply such as PCIe Switch module, FPGA module, sensor module.M.2 3.3V VR Group have respectively discrete VR be every piece M.2 Carrier 3.3V power supply is provided, while having power consumption monitoring module to often circuit all the way It is monitored, when one of M.2 SSD breaks down, corresponding VR output can be cut off without influencing other M.2 SSD Normal operation.
Sensor module is mainly responsible for the measurement and alarm of the temperature at measurement monitoring extension snap-gauge end.
12V module obtains power supply from PSU by Power Conn, and is VR module for power supply on board.
The embodiment of the present invention is by expanding the channel PCIe of more multichannel, so on integrated PCIe switch to expansion card After carry M.2 Carrier board, more solid state hard disks can be installed in narrow space, promote the performance of server, And by FPGA extend I2C management and controlling bus, solve mainboard PCIe channel interface in the prior art it is limited, cannot be fine Extension and monitoring management M.2 SSD the problem of, the M.2 interface structure advantage that given full play to saves chassis space, while again can Bus communication and monitoring management are carried out to board equipment well, efficiently comprehensive monitoring management board key signal is realized, protects Board is demonstrate,proved to operate normally.Expansion card interface uses general standard interface, facilitates system to be integrated and managed, can be applied to a variety of Application.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.

Claims (9)

1. a kind of M.2 Interface Expanding card for solid state hard disk characterized by comprising
PCIe Switch module, FPGA module, UART module, JTAG module, VR module, sensor module, 12V power module, Clock Buffer module, slimline connector and power consumption monitoring module;
The channel PCIe X16 of the PCIe Switch module is connected to host side by slimline connector, and PCIe X1 is logical Road is connected to mainboard BMC by slimline connector, M.2 the channel PCIe X8 is connected to by standard PCIe connector Carrier board;
The FPGA module is connected to mainboard BMC by I2C repeater and slimline connector, or passes through I2C bus Group is connected to PCIe Switch module, M.2 Carrier board, VR module and sensor module;
The FPGA module by controlling bus group be connected to PCIe Switch module, M.2 Carrier board, VR module with And sensor module;
The UART module is connected to PCIe Switch module, and the JTAG module is connected to FPGA module.
2. a kind of M.2 Interface Expanding card for solid state hard disk according to claim 1, which is characterized in that the PCIe The channel X8 is 8 groups, and every group is connected to 1 piece of M.2 Carrier board, every piece M.2 Carrier jam carry 4 M.2 SSD.
3. a kind of M.2 Interface Expanding card for solid state hard disk according to claim 2, which is characterized in that the PCIe Switch module provides source clock signal and picks out 32 groups of clock signals by Clock Buffer module, is respectively supplied to each M.2 SSD。
4. a kind of M.2 Interface Expanding card for solid state hard disk according to claim 1, which is characterized in that the FPGA Module realizes different branches in bus switch I2C bus group by FPGA internal logic, to access the equipment on different expansion cards.
5. a kind of M.2 Interface Expanding card for solid state hard disk according to any one of claims 1-4, feature exist In the UART module is for providing the debugging interface of PCIe Switch module and upper computer software.
6. a kind of M.2 Interface Expanding card for solid state hard disk according to any one of claims 1-4, feature exist In the JTAG module is used to provide debugging and development interface for FPGA module.
7. a kind of M.2 Interface Expanding card for solid state hard disk according to any one of claims 1-4, feature exist In the VR module is used to power for expansion card.
8. a kind of M.2 Interface Expanding card for solid state hard disk according to any one of claims 1-4, feature exist In the sensor module is used to measure the temperature at monitoring extension snap-gauge end.
9. a kind of M.2 Interface Expanding card for solid state hard disk according to any one of claims 1-4, feature exist In the 12V module is used to obtain power supply from PSU by Power Conn, and is VR module for power supply on board.
CN201810822749.2A 2018-07-25 2018-07-25 A kind of M.2 Interface Expanding card for solid state hard disk Pending CN109117392A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109800199A (en) * 2019-01-23 2019-05-24 郑州云海信息技术有限公司 A kind of method and device based on M.2 connector extension SATA hard disc

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107590040A (en) * 2017-09-22 2018-01-16 郑州云海信息技术有限公司 A kind of hard disk backboard and computer installation, hard disk fault detection method and memory
CN207133719U (en) * 2017-07-27 2018-03-23 郑州云海信息技术有限公司 A kind of attachment means applied to multipath server

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN207133719U (en) * 2017-07-27 2018-03-23 郑州云海信息技术有限公司 A kind of attachment means applied to multipath server
CN107590040A (en) * 2017-09-22 2018-01-16 郑州云海信息技术有限公司 A kind of hard disk backboard and computer installation, hard disk fault detection method and memory

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109800199A (en) * 2019-01-23 2019-05-24 郑州云海信息技术有限公司 A kind of method and device based on M.2 connector extension SATA hard disc

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