CN114115480B - A kind of server and its motherboard - Google Patents

Abstract

The invention discloses a main board, wherein a CPU (central processing unit) on the main board is connected with a first connector female end, when the GPU is needed to be used, the GPU can be directly connected with the first connector female end, and when the OpenCAPI card is needed to be used, the male end of the first connector and the female end of the first connector can be connected together, so that the OpenCAPI card can be connected with a second connector, the communication between the OpenCAPI card and the CPU is realized, that is, the main board can realize the use of the GPU and the OpenCAPI card, the design cost is reduced, and the usability of a server is improved. The invention also discloses a server, which has the same beneficial effects as the main board.

Description

A kind of server and its motherboard

technical field

The invention relates to the field of servers, in particular to a motherboard, and also to a server.

Background technique

The signal interface of some CPUs supports the transmission of two signals, NVlink2.0 and OpenCAPI (Coherent Acceleration Processor Interface, coherent accelerator processor interface). Therefore, through this interface, two different external devices can be connected to the CPU for use. A connector connects the signal interface of CPU and GPU (Graphics Processing Unit, graphics processing unit), in this case CPU can carry out data interaction with GPU through NVlink2.0 signal; Also can connect the signal interface of CPU and GPU through the second connector OpenCAPI card, in this case, the CPU can exchange data with the OpenCAPI card through the OpenCAPI signal, but because the connectors of the two solutions are different, two motherboards must be designed first, which increases the design cost, and in each solution In the server, the CPU can only connect to the external device corresponding to the connector, and the availability of the server is poor.

Therefore, how to provide a solution to the above technical problems is a problem that those skilled in the art need to solve at present.

Contents of the invention

The purpose of the present invention is to provide a kind of mainboard, a kind of mainboard just can realize the use of GPU and Open CAPI card, has reduced design cost and improved the usability of server; Another purpose of the present invention is to provide a kind of server comprising above-mentioned mainboard , a motherboard can realize the use of GPU and Open CAPI cards, which reduces the design cost and improves the availability of the server.

In order to solve the above technical problems, the present invention provides a motherboard, comprising:

CPU, used to output one of NVlink2.0 signal or OpenCAPI signal through its own signal interface, so as to perform data interaction with graphics processor GPU or Open CAPI card;

The first connector female end connected to the signal interface of the CPU at the first end is used to connect to the GPU or the first connector male end through its second end;

the first connector male end;

The second connector whose first end is connected to the first connector male end is used to connect the Open CAPI card through its second end.

Preferably, there are multiple first connector female ends.

Preferably, the CPU is specifically used for:

When receiving the level signal triggered by the first connector female end due to the insertion of the first connector male end, output the OpenCAPI signal through its own signal interface, so as to perform data interaction with the Open CAPI card. When the level signal is reached, the NVlink2.0 signal is output through its own signal interface for data interaction with the GPU.

Preferably, the CPU is specifically used for:

Output one of the NVlink2.0 signal or OpenCAPI signal specified by the pre-stored configuration information through its own signal interface, so as to perform data interaction with the graphics processor GPU or Open CAPI card.

Preferably, the motherboard also includes a prompter connected to the CPU;

Then the CPU is further configured to control the prompter to prompt itself of the type of signal currently output through the signal interface.

Preferably, the prompter is a light emitting diode.

Preferably, the first connector is an SXM2 connector.

Preferably, the second connector is a Slim Line connector.

Preferably, the main board also includes an adapter board;

The adapter board is used for fixing and connecting the male end of the first connector and the second connector through its own internal routing.

In order to solve the above technical problems, the present invention also provides a server, including the above-mentioned motherboard.

The present invention provides a mainboard. The CPU on the mainboard of the application is connected with the first connector female end. When the GPU needs to be used, the GPU can be directly connected to the first connector female end. When the Open CAPI card needs to be used , then the first connector male end and the first connector female end can be connected together, so that the Open CAPI card can be connected to the second connector to realize the communication between the Open CAPI card and the CPU, that is to say, A motherboard can realize the use of GPU and OpenCAPI card, which reduces the design cost and improves the usability of the server.

The present invention also provides a server, which has the same beneficial effects as the main board above.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following will briefly introduce the prior art and the accompanying drawings that need to be used in the embodiments. Obviously, the accompanying drawings in the following description are only some of the present invention. Embodiments, for those of ordinary skill in the art, other drawings can also be obtained based on these drawings without any creative effort.

Fig. 1 is the structural representation of a kind of motherboard provided by the present invention;

Fig. 2 is a schematic diagram of a signal channel of a CPU;

FIG. 3 is a schematic structural diagram of another motherboard provided by the present invention.

Detailed ways

The core of the present invention is to provide a kind of main board, a kind of main board just can realize the use of GPU and Open CAPI card, has reduced design cost and improved the usability of server; Another core of the present invention is to provide a kind of server comprising above-mentioned main board , a motherboard can realize the use of GPU and Open CAPI cards, which reduces the design cost and improves the availability of the server.

In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Please refer to Fig. 1, Fig. 1 is a schematic structural diagram of a main board provided by the present invention, the main board includes:

CPU, used to output one of NVlink2.0 signal or OpenCAPI signal through its own signal interface, so as to perform data interaction with graphics processor GPU or Open CAPI card;

The first connector female end connected to the signal interface of the CPU at the first end is used to connect to the GPU or the first connector male end through its second end;

a first connector male end;

The second connector whose first end is connected to the first connector public end is used to connect the OpenCAPI card through its second end.

Specifically, considering the technical problems in the above background technology, this application intends to design a motherboard that can be compatible with GPU and Open CAPI cards. To solve this problem, the most important thing is the compatibility of the connectors, that is, In the case of different requirements, different connectors are presented on the motherboard to connect the GPU or Open CAPI card, and considering that the motherboard usually has more requirements for connecting the GPU, it is possible to directly set the female end of the first connector to connect to the CPU. The user can connect the male end of the first connector on the GPU to the female end of the first connector to realize the data interaction between the CPU and the GPU. Connect to the female end of the first connector, and the male end of the first connector itself is also connected to the second connector, so that the motherboard will appear as the second connector to the outside, in this case, the user can connect the Open CAPI card Connect with the second connector to realize the data interaction between the CPU and the Open CAPI card.

Wherein, the CPU may be of various types, for example, may be a POWER processor, etc., which is not limited in this embodiment of the present invention.

The present invention provides a mainboard. The CPU on the mainboard of the application is connected with the first connector female end. When the GPU needs to be used, the GPU can be directly connected to the first connector female end. When the Open CAPI card needs to be used , then the first connector male end and the first connector female end can be connected together, so that the Open CAPI card can be connected to the second connector to realize the communication between the Open CAPI card and the CPU, that is to say, A motherboard can realize the use of GPU and OpenCAPI card, which reduces the design cost and improves the usability of the server.

On the basis of above-mentioned embodiment:

As a preferred embodiment, there are multiple first connector female ends.

Specifically, there are usually multiple signal interfaces on the CPU, so multiple first connector female ends can be connected to the signal interfaces of the CPU in one-to-one correspondence, and a corresponding number of first connector male ends and the first connector male ends can be prepared correspondingly. Two connectors for flexible choice of connecting GPU/Open CAPI cards.

Specifically, the POWER9 processor supports switching between NVlink2.0 and OpenCAPI interfaces. For example, one of the CPUs (monza) supports 48lines NVlink2.0 signals, of which 32lines can be switched to OpenCAPI signals, as shown in Figure 2, which is a CPU The schematic diagram of the signal channel.

Among them, the signal interface can specifically refer to three x8 channels, and the three x8 channels can simultaneously output NVlink2. The embodiments are not limited here.

As a preferred embodiment, the CPU is specifically used for:

When receiving the level signal triggered by the insertion of the first connector male end at the female end of the first connector, the OpenCAPI signal is output through its own signal interface in order to perform data interaction with the Open CAPI card; when the level signal is not received , the NVlink2.0 signal is output through its own signal interface for data interaction with the GPU.

Specifically, the embodiment of the present invention provides a solution to automatically enable the CPU to output corresponding signals through the signal interface, that is, when the male end of the first connector is inserted into the female end of the first connector, a trigger level signal is sent to the CPU, As long as the CPU receives this level signal, it can know that it needs to connect to the Open CAPI card. At this time, it can output the OpenCAPI signal through its own signal interface to perform data interaction with the Open CAPI card. When the signal is received, it can be known that the GPU needs to be connected. At this time, the NVlink2.0 signal can be output through its own signal interface for data interaction with the GPU. There is no need for manual configuration, and the degree of automation is high, which reduces labor costs.

As a preferred embodiment, the CPU is specifically used for:

Output one of the NVlink2.0 signal or OpenCAPI signal specified by the pre-stored configuration information through its own signal interface, so as to perform data interaction with the graphics processor GPU or Open CAPI card.

Specifically, the embodiment of the present invention provides another scheme to instruct the CPU to output the signal type through the signal interface, that is, to indicate through pre-stored configuration information. Set the pre-stored configuration information so that the CPU and GPU or Open CAPI card can normally perform data interaction.

Of course, in addition to the two specific solutions, the "indication of the CPU output signal type" can also be implemented through other solutions, which are not limited in this embodiment of the present invention.

In order to better illustrate the embodiment of the present invention, please refer to FIG. 3, which is a schematic structural diagram of another motherboard provided by the present invention. As a preferred embodiment, the motherboard also includes a prompter connected to the CPU;

Then the CPU is also used to control the prompter to prompt itself of the type of the signal currently output through the signal interface.

Specifically, in order to facilitate the staff to know the type of signal output by the CPU through the signal interface at present, so as to perform work such as maintenance, the CPU in the embodiment of the present invention can control the prompter to remind itself of the current type of signal output through the signal interface, which is beneficial to improve work efficiency.

As a preferred embodiment, the prompter is a light emitting diode.

Specifically, light emitting diodes have the advantages of small size, simple structure, and low cost.

Certainly, besides the light emitting diode, the prompter may also be of other types, which is not limited in this embodiment of the present invention.

As a preferred embodiment, the first connector is an SXM2 connector.

Specifically, the SXM2 connector has the advantages of small size, simple structure, and low cost.

Of course, in addition to the SXM2 connector, the first connector may also be of other types, which is not limited in this embodiment of the present invention.

As a preferred embodiment, the second connector is a Slim Line connector.

Specifically, the SlimLine connector has the advantages of small size, simple structure, and low cost.

It is worth mentioning that when the Open CAPI card uses x16 Open CAPI signals, the first connector male end can be connected to the second connector through two OpenCAPI x8 signals. At this time, the second connector can be two x8 channels connector, when the Open CAPI card uses x8 Open CAPI signals, the male end of the first connector can be connected to the second connector through an Open CAPI x8 signal, and the second connector can be a x8 channel connector .

In addition, after connecting the Open CAPI card to the second connector, in order to ensure the normal operation of the Open CAPI card, it is also necessary to connect the CPU and the Open CAPI card through a PCIe (Peripheral Component Interconnect express, high-speed serial computer expansion bus standard) cable. , so as to supply power to the Open CAPI card through the PCIe cable.

Of course, in addition to the Slim Line connector, the second connector may also be of other types, which is not limited in this embodiment of the present invention.

As a preferred embodiment, the main board also includes an adapter board;

The adapter board is used for fixing and connecting the male end of the first connector and the second connector through its own internal wiring.

Specifically, in order to fix the male end of the first connector and the second connector so as to improve the durability of the two connectors and facilitate storage, the present application also designs an adapter plate.

The present invention also provides a server, including the motherboard in the foregoing embodiments.

For the introduction of the server provided by the embodiment of the present invention, please refer to the above-mentioned embodiment of the motherboard, and the embodiment of the present invention will not be repeated here.

Each embodiment in this specification is described in a progressive manner, each embodiment focuses on the difference from other embodiments, and the same and similar parts of each embodiment can be referred to each other. It should also be noted that in this specification, relative terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that these entities or operations There is no such actual relationship or order between the operations. Furthermore, the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus comprising a set of elements includes not only those elements, but also includes elements not expressly listed. other elements of or also include elements inherent in such a process, method, article, or device. Without further limitations, an element defined by the phrase "comprising a ..." does not preclude the presence of additional identical elements in the process, method, article or apparatus comprising that element.

The above description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention will not be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (9)

1. A motherboard, characterized in that, comprising: The CPU is used to output one of the NVlink2.0 signal or the coherent accelerator processor interface OpenCAPI signal through its own signal interface, so as to perform data interaction with the graphics processor GPU or Open CAPI card; The first connector female end connected to the signal interface of the CPU at the first end is used to connect to the GPU or the first connector male end through its second end; the first connector male end; The second connector that the first end is connected to the public end of the first connector is used to connect the OpenCAPI card through its second end; Wherein, the CPU is specifically configured to: when receiving the level signal triggered by the female end of the first connector due to the insertion of the male end of the first connector, output the OpenCAPI signal through its own signal interface, so as to communicate with Open The CAPI card performs data interaction. When the level signal is not received, it outputs the NVlink2.0 signal through its own signal interface, so as to perform data interaction with the GPU. 2. The motherboard according to claim 1, wherein there are multiple first connector female ends. 3. The motherboard according to claim 2, further characterized in that: Output one of the NVlink2.0 signal or OpenCAPI signal specified by the pre-stored configuration information through its own signal interface, so as to perform data interaction with the graphics processor GPU or Open CAPI card. 4. The motherboard according to claim 1, further comprising a prompter connected to the CPU; Then the CPU is further configured to control the prompter to prompt itself of the type of signal currently output through the signal interface. 5. The motherboard according to claim 4, wherein the indicator is a light emitting diode. 6. The motherboard according to claim 1, wherein the first connector is an SXM2 connector. 7. The motherboard according to claim 1, wherein the second connector is a Slim Line connector. 8. The main board according to any one of claims 1-7, characterized in that the main board further comprises an adapter board; The adapter board is used for fixing and connecting the male end of the first connector and the second connector through its own internal wiring. 9. A server, comprising the motherboard according to any one of claims 1 to 8.

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