PCIe conversion expansion board card and circuit board based on PSW62048 chip

Abstract

The utility model provides a PCIe (Peripheral Component Interconnect Express) conversion expansion board card based on a PSW62048 chip and a circuit board. The PCIe conversion expansion board card comprises a PCB (Printed Circuit Board); the main chip is arranged on the PCB, and a PSW62048 chip is adopted as the main chip; the PSW62048 chip is provided with an IIC 0 channel and an IIC 1 channel, and an upstream port of the PSW62048 chip is connected with a golden finger x16. And the downstream port of the PSW62048 chip is connected with the four Slimeline x8 connectors so as to expand the four PCIe 4.0 x8 outputs. The PCIe conversion expansion board card provided by the utility model meets the requirements of stability, compatibility, expansibility and the like while realizing localization, and provides new power for the development of the domestic computer hardware industry.

Description

Technical Field

[0001] This utility model relates to the field of integrated circuit board design technology, specifically to a PCIe conversion expansion board and circuit board based on the PSW62048 chip. Background Technology

[0002] With the continuous development of computer hardware technology, PCIe expansion cards, as an important device expansion method, are widely used in various computer and server systems. PCIe technology, with its high bandwidth, low latency, and ease of use, is widely used in data centers, servers, and personal computers.

[0003] However, the current PCIe expansion card market has many problems, such as unstable performance, poor compatibility, poor expandability, and lack of domestic production. Therefore, it is of great significance to develop a new type of domestically produced PCIe expansion card to meet the requirements of stability, compatibility, and expandability. Summary of the Invention

[0004] In view of the shortcomings of the existing technology, this utility model provides a PCIe conversion expansion board and circuit board based on the PSW62048 chip, so as to realize the domestic PCIe expansion board to meet the requirements of stability, compatibility and expandability.

[0005] The technical solution of this utility model is as follows:

[0006] This utility model first provides a PCIe conversion expansion board based on the PSW62048 chip, including:

[0007] One PCB board;

[0008] A main chip, a PSW62048 chip, is mounted on the PCB board, with a total of 48 LANEs.

[0009] The PSW62048 chip has two channels: IIC 0 and IIC 1. The upstream port of the PSW62048 chip is connected to a gold finger x16. The IIC signal input by the gold finger x16 is connected to the IIC 0 channel of the PSW62048 chip after level conversion.

[0010] The downstream port of the PSW62048 chip is connected to four Slimeline x8 connectors to expand four PCIe 4.0 x8 outputs. After level conversion and chip expansion, the IIC 1 channel of the PSW62048 chip is connected to the four Slimeline x8 connectors to detect the presence status of external devices.

[0011] Preferably, the gold finger x16 input IIC signal is connected to the IIC 0 channel of the PSW62048 chip after level conversion, and a temperature sensor is connected thereto to detect the board temperature in real time.

[0012] Preferably, the IIC 1 channel of the PSW62048 chip is level-converted by the PCA9306 and then extended by the PCA9546 chip.

[0013] Preferably, the four Slimeline x8 connectors are high-speed precision Slimline connectors to improve data transmission speed.

[0014] Preferably, the extended IIC 1 signal is also connected to the SMBUS connector to support the transmission of hot-plug signals and lighting signals.

[0015] Preferably, the PCIe conversion expansion card connects eight NVMe hard drives, including four of the Slimeline x8 connectors:

[0016] Connect Slimline x8#0 to Slimline 0 to expand two x4 NVMe hard drives;

[0017] Slimline x8#1 connects to Slimline 1, expanding to two x4 NVMe hard drives;

[0018] Connect the Slimline x8#2 to the Slimline 2 to expand two x4 NVMe hard drives;

[0019] Connect the Slimline x8#3 to the Slimline 3 to expand two x4 NVMe hard drives.

[0020] Preferably, the PCIe conversion expansion card connects two x16 GPU substrates, and of the four Slimeline x8 connectors:

[0021] Slimline x8#1 connects to Slimline 0 and Slimline x8#2 connects to Slimline 1, expanding one x16 GPU substrate;

[0022] Slimline x8#0 connects to Slimline 0 and Slimline x8#3 connects to Slimline 1, expanding one x16 GPU substrate.

[0023] Preferably, the PCIe conversion expansion card connects four x8 GPU substrates, and of the four Slimeline x8 connectors:

[0024] Slimline x8#0 connects to Slimline 0, expanding one x8 GPU substrate;

[0025] Slimline x8#1 connects to Slimline 0, expanding one x8 GPU substrate;

[0026] Slimline x8#2 connects to Slimline 0, expanding one x8 GPU substrate;

[0027] Slimline x8#3 connects to Slimline 0, expanding one x8 GPU substrate.

[0028] This utility model further provides a circuit board, including the aforementioned PCIe conversion expansion board based on the PSW62048 chip.

[0029] The beneficial effects of this utility model compared to the prior art are as follows: This utility model provides a PCIe conversion expansion board based on the PSW62048 chip, which has the following advantages and effects: In terms of chip selection, the PCIe conversion expansion board provided by this utility model adopts a domestically produced high-performance chip, which features low power consumption, high computing speed, and high stability, thus improving data processing capabilities and stability. In this PCIe conversion expansion board, the PSW62048 chip receives an upstream PCIe 4.0 x16 input via a gold finger. The IIC signal from the gold finger x16 input is level-converted and connected to the IIC 0 channel of the PSW62048 chip, expanding the downstream four PCIe 4.0 x8 signal outputs. After level conversion and chip expansion, the expanded IIC signal of the PSW62048 chip's IIC 1 channel is connected to four Slimeline x8 connectors for detecting the presence status of external devices. The expanded IIC 1 signal is also connected to the SMBUS connector for detecting hot-plugging and LED activation. The PCIe conversion expansion card provided by this utility model reduces procurement and maintenance costs through domestic manufacturing, thereby enhancing competitiveness. This PCIe conversion expansion card is suitable for data center servers and other scenarios requiring high-performance PCIe interface devices, such as PCs and servers. It has wide applications and strong adaptability, making it worthy of widespread industrial adoption. This PCIe conversion expansion card provides new impetus for the development of the domestic computer hardware industry and helps improve its competitiveness. It should be understood that the implementation of any embodiment of this utility model does not imply that it must simultaneously possess or achieve multiple or all of the above-mentioned beneficial effects. Attached Figure Description

[0030] To more clearly illustrate the embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings in the following description are merely exemplary, and those skilled in the art can derive other embodiments based on the provided drawings without creative effort.

[0031] The structures, proportions, sizes, etc. illustrated in this specification are only for the purpose of assisting those skilled in the art in understanding and reading the content disclosed herein, and are not intended to limit the implementation conditions of this utility model. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in the proportional relationships, or adjustments to the size, without affecting the effects and purposes that this utility model can produce, should still fall within the scope of the technical content disclosed in this utility model.

[0032] Figure 1 The schematic diagram of a PCIe conversion expansion board based on the PSW62048 chip is shown as an example.

[0033] Figure 2 An exemplary structural design diagram of a PCIe conversion expansion board based on the PSW62048 chip according to this utility model is shown.

[0034] Marked in the image:

[0035] 1-PCB board, 2-Main chip, 3-Temperature sensor;

[0036] 01-Heat sink, 02-Slimline x8 connector, 03-Hot plug #0, 04-Hot plug #1, 05-MCU download interface, 06-Main chip debug interface, 07-Serial port / GPIO, 08-16 gold fingers.

[0037] The same or corresponding marks in the diagram indicate the same or corresponding parts. Detailed Implementation

[0038] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the embodiments of this utility model will be further described in detail below with reference to the accompanying drawings. Here, the illustrative embodiments of this utility model and their descriptions are used to explain this utility model, but are not intended to limit this utility model.

[0039] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0040] It should be understood that the terms "comprising / including," "consisting of," or any other variations are intended to cover non-exclusive inclusion, such that a product, apparatus, process, or method that comprises a list of elements includes not only those elements but may also include, where necessary, other elements not expressly listed, or elements inherent to such a product, apparatus, process, or method. Without further limitation, an element defined by the phrases "comprising / including," "consisting of," does not exclude the presence of additional identical elements in the product, apparatus, process, or method that includes said element.

[0041] It should also be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device, component or structure referred to must have a specific orientation, be constructed or operated in a specific orientation, and should not be construed as a limitation on this utility model.

[0042] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0043] Definitions:

[0044] PCIe, Peripheral Component Interconnect Express, is a high-speed serial computer expansion bus standard.

[0045] The conversion expansion board receives PCIe 4.0 x16 input from the upstream gold finger and expands the downstream 4-channel PCIe 4.0 x8 signal output.

[0046] The present invention will now be described in detail with reference to preferred embodiments.

[0047] like Figure 1-2 , Figure 1 This diagram illustrates a PCIe conversion expansion board based on the PSW62048 chip, according to an embodiment of the present invention. Figure 2 This diagram shows the structural design of a PCIe conversion expansion board based on the PSW62048 chip, according to an embodiment of the present invention.

[0048] The PCIe conversion expansion card uses PCB board 1 as the base plate, and the main chip 2 is set on PCB board 1. Figure 2 The main chip 2 (not shown) is located below the heatsink 01.

[0049] In terms of chip selection, in order to achieve localization, the main chip 2 of this utility model uses the high-performance PSW62048 chip, which has the characteristics of low power consumption, high computing speed and high stability.

[0050] The PSW62048 chip has a total of 48 LANEs. The PSW62048 has two channels: IIC 0 and IIC 1. Both of these IIC channels are interfaces of the PSW62048, which are input through the upstream Golden Finger Slimeline x8 connector and output through four downstream Slimeline x8 connectors.

[0051] See also Figure 1 The upstream port of the PSW62048 chip connects to the x16 08 gold finger connector. The IIC signal input from the x16 08 gold finger connector is level-shifted and connected to the IIC 0 channel of the PSW62048 chip. The downstream port of the PSW62048 chip connects to four Slimeline x8 connectors to expand four PCIe 4.0 x8 outputs. After level shifting and chip expansion, the expanded IIC signal of the PSW62048 chip's IIC 1 channel is connected to the four Slimeline x8 connectors for detecting the presence status of external devices.

[0052] In terms of board structure design, the PCIe expansion board of this utility model adopts a standardized design, using a gold finger x16 half-height or full-height structure, for connecting host systems, server systems, and related systems with PCIe slots. Signals are input at a PCIe 4.0 x16 transmission rate, and four PCIe 4.0 x8 outputs are expanded through the PSW62048 chip.

[0053] In addition, a high-speed precision Slimline connector was selected to improve data transmission speed.

[0054] Specifically, the IIC 1 channel of the PSW62048 chip is level-converted by the PCA9306 and then extended by the PCA9546 chip.

[0055] In one feasible embodiment, the gold finger x16 08 input IIC signal is level-shifted and connected to the IIC 0 channel of the PSW62048 chip, where a temperature sensor 3 is connected to detect the board temperature in real time.

[0056] In addition, during the hardware design, a 100MHz reference clock is used to extend the clock via the CLK BUFFER, and the extended clock is sent to the Slimeline connector and the PSW62048 chip respectively.

[0057] In one feasible embodiment, the extended IIC signal is also connected to the SMBUS connector to support the transmission of hot-plug signals and light-up signals.

[0058] like Figure 2 The diagram shows the structural design and physical object of the product of this utility model, demonstrating its hardware architecture and application scenarios. The diagram shows various components arranged on the PCB board 1, including: a heat sink 01 (with the main chip 2 located below it), Slimline x8 connectors 02 (including four: Slimline x8#0, Slimline x8#1, Slimline x8#2, and Slimline x8#3), hot-plug #0 03, hot-plug #1 04, MCU download interface 05, main chip debugging interface 06, serial port / GPIO 07, gold fingers x16 08, and a baffle.

[0059] (1) Use case one: PCIe conversion expansion card connects to 8 NVMe hard drives:

[0060] Connect Slimline x8#0 to Slimline 0 to expand two x4 NVMe hard drives;

[0061] Slimline x8#1 connects to Slimline 1, expanding to two x4 NVMe hard drives;

[0062] Connect the Slimline x8#2 to the Slimline 2 to expand two x4 NVMe hard drives;

[0063] Connect the Slimline x8#3 to the Slimline 3 to expand two x4 NVMe hard drives.

[0064] (2) Use case 2: PCIe conversion expansion card connects to two x16 GPU baseboards:

[0065] Slimline x8#1 connects to Slimline 0 and Slimline x8#2 connects to Slimline 1, expanding one x16 GPU substrate;

[0066] Slimline x8#0 connects to Slimline 0 and Slimline x8#3 connects to Slimline 1, expanding one x16 GPU substrate.

[0067] (3) Use case three: PCIe conversion expansion card product connects 4 x8 GPU baseboards:

[0068] Slimline x8#0 connects to Slimline 0, expanding one x8 GPU substrate;

[0069] Slimline x8#1 connects to Slimline 0, expanding one x8 GPU substrate;

[0070] Slimline x8#2 connects to Slimline 0, expanding one x8 GPU substrate;

[0071] Slimline x8#3 connects to Slimline 0, expanding one x8 GPU substrate.

[0072] As can be seen, this utility model selects the high-performance PSW62048 chip, achieving complete domestic production. In terms of board structure design, a standardized design is adopted, using a 16-pin half-height or full-height gold-finger structure. In circuit design, factors such as system stability, data transmission speed, and power consumption are fully considered. By rationally allocating the functions and layout of each chip, signal transmission paths are optimized, reducing signal interference and electromagnetic leakage. Simultaneously, advanced domestic power supply technology is used to ensure a stable power supply. Regarding manufacturing processes, strict adherence to relevant quality standards is maintained, including chip soldering, circuit board manufacturing, heat sink fabrication, and packaging. Strict quality control is implemented at each stage of production to ensure the board's performance and quality. In conclusion, this utility model's domestically produced high-performance PCIe expansion board is currently the only fully domestically produced version, providing new impetus for the development of the domestic computer hardware industry and contributing to enhancing its competitiveness.

[0073] The various embodiments of the present invention have been described above. These descriptions are exemplary and not exhaustive, nor are they limited to the disclosed embodiments. Many modifications and variations will be apparent to those skilled in the art without departing from the scope and spirit of the described embodiments.

[0074] While several specific implementation details are included in the foregoing discussion, these should not be construed as limiting the scope of the present invention. Certain features described in the context of individual embodiments may also be implemented in combination in a single implementation. Conversely, various features described in the context of a single implementation may also be implemented individually or in any suitable sub-combination in multiple implementations.

Claims

1. A PCIe conversion expansion board based on the PSW62048 chip, characterized in that, include: One PCB board; A main chip is mounted on the PCB board. The main chip is a PSW62048 chip with a total of 48 LANEs. and The PSW62048 chip has two channels: IIC 0 and IIC 1. The upstream port of the PSW62048 chip is connected to a gold finger x16. The IIC signal input by the gold finger x16 is connected to the IIC 0 channel of the PSW62048 chip after level conversion. The downstream port of the PSW62048 chip is connected to four Slimeline x8 connectors to expand four PCIe 4.0 x8 outputs. After level conversion and chip expansion, the IIC 1 channel of the PSW62048 chip is connected to the four Slimeline x8 connectors to detect the presence status of external devices.

2. The PCIe conversion expansion board based on the PSW62048 chip according to claim 1, characterized in that, The gold finger x16 input IIC signal is connected to the IIC 0 channel of the PSW62048 chip after level conversion, and a temperature sensor is connected to it to detect the board temperature in real time.

3. The PCIe conversion expansion board based on the PSW62048 chip according to claim 1, characterized in that, The IIC 1 channel of the PSW62048 chip is level-converted by the PCA9306 and then extended by the PCA9546 chip.

4. The PCIe conversion expansion board based on the PSW62048 chip according to claim 1, characterized in that, The four Slimeline x8 connectors mentioned are high-speed precision Slimline connectors to improve data transmission speed.

5. The PCIe conversion expansion board based on the PSW62048 chip according to claim 1, characterized in that, The extended IIC 1 signal is also connected to the SMBUS connector to support the transmission of hot-plug signals and light-up signals.

6. The PCIe conversion expansion board based on the PSW62048 chip according to any one of claims 1 to 5, characterized in that, This PCIe conversion expansion card connects eight NVMe hard drives, four of which are connected to the Slimeline x8 connectors: Connect Slimline x8#0 to Slimline 0 to expand two x4 NVMe hard drives; Slimline x8#1 connects to Slimline 1, expanding to two x4 NVMe hard drives; Connect the Slimline x8#2 to the Slimline 2 to expand two x4 NVMe hard drives; Connect the Slimline x8#3 to the Slimline 3 to expand two x4 NVMe hard drives.

7. The PCIe conversion expansion board based on the PSW62048 chip according to any one of claims 1 to 5, characterized in that, This PCIe conversion expansion card connects to two x16 GPU substrates, and to four of the aforementioned Slimeline x8 connectors: Slimline x8#1 connects to Slimline 0 and Slimline x8#2 connects to Slimline 1, expanding one x16 GPU substrate; Slimline x8#0 connects to Slimline 0 and Slimline x8#3 connects to Slimline 1, expanding one x16 GPU substrate.

8. The PCIe conversion expansion board based on the PSW62048 chip according to any one of claims 1 to 5, characterized in that, This PCIe conversion expansion card connects to four x8 GPU substrates, via four Slimeline x8 connectors: Slimline x8#0 connects to Slimline 0, expanding one x8 GPU substrate; Slimline x8#1 connects to Slimline 0, expanding one x8 GPU substrate; Slimline x8#2 connects to Slimline 0, expanding one x8 GPU substrate; Slimline x8#3 connects to Slimline 0, expanding one x8 GPU substrate.

9. A circuit board, characterized in that, Includes the PCIe conversion expansion board based on the PSW62048 chip as described in any one of claims 1 to 8.

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