CN111273747A - System for 2U case rear window multi-PCIE external plug-in card - Google Patents

Abstract

The invention provides a system for 2U case rear window multi-PCIE external plug-in card, comprising: the external peripheral device comprises two mainboards, namely a CPU0 and a CPU1, and a first butterfly card and a second butterfly card, wherein the first butterfly card and the second butterfly card are connected with a plurality of PCIE external add-in cards, and the first butterfly card is connected with 2 PCIE X16 slots of the CPU0 and connected with 2 slim X8 connectors of the CPU 0; the first butterfly card is connected with 2 PCIE X16 slots of the CPU1, and is connected with 2 slim X8 connectors of the CPU 1. The invention optimizes the design of the current universal 8PCIE external plug-in card, so that the system can support larger configuration and PCIE signals are utilized more.

Description

A system with multiple PCIE add-in cards in the rear window of a 2U chassis

technical field

The invention relates to the field of computers, and more particularly, to a system with multiple PCIE add-in cards in the rear window of a 2U chassis.

Background technique

With the rapid development of cloud data, more and more Internet and financial customers have more and more plug-in cards that the server can support to meet the work of large data processing. The plug-in cards include standard network cards, Standard SAS/Raid cards, etc. More than 70 percent of such add-in cards are HHFL cards. At present, there are generally 8 cards outside the rear window of a common 2U server in the industry. In order to meet the user's demand for flexible matching of add-in cards in the rear window of a general 2U standard server, a system limit design of placing multiple PCIE add-in cards in the rear window of a 2U standard chassis is imminent.

SUMMARY OF THE INVENTION

In view of this, the purpose of the embodiments of the present invention is to propose a system with multiple PCIE plug-in cards in the rear window of a 2U chassis, so as to expand and realize more PCIE plug-in cards, and in the rear window of a general 2U standard server, users can flexibly match plug-in cards. card requirements.

Based on the above purpose, one aspect of the embodiments of the present invention provides a system with multiple PCIE add-in cards in the rear window of a 2U chassis, including: two main boards, CPU0 and CPU1, and a first butterfly card and a second butterfly card. The butterfly card and the second butterfly card are connected to multiple PCIE add-in cards, wherein,

The first butterfly card is connected with two PCIE X16 slots of the CPU0, and is connected with two slimline X8 connectors of the CPU0;

The first butterfly card is connected to the two PCIE X16 slots of the CPU1, and is connected to the two slimline X8 connectors of the CPU1.

In some embodiments, the first butterfly card is externally connected with four X8 PCIE add-in cards and one X16 PCIE add-in card.

In some embodiments, the second butterfly card is externally connected to six X8 PCIE add-in cards.

In some embodiments, the two PCIE X16 slots of the CPU0 and the two PCIE X16 slots of the CPU1 are on the left and right sides of the rear window, respectively.

In some embodiments, the slimline X8 connector is located on the front side of the motherboard.

In some implementations, the first butterfly card and the second butterfly card use gold fingers to obtain power from the motherboard.

In some implementations, the two motherboards of CPU0 and CPU1 respectively include two PCIE X16 power connector terminals.

In some embodiments, the left side of the first butterfly card includes 3 PCIE X8 slots, and the right side includes 1 and PCIE X8 slots and one PCIE X16 slot.

In some embodiments, the left and right sides of the second butterfly card respectively include three PCIE X8 slots.

In some embodiments, each slot of the first butterfly card and the second butterfly card supports 75W power consumption add-in cards.

The present invention has the following beneficial technical effects: a system with multiple PCIE add-in cards in the rear window of a 2U chassis provided by the embodiment of the present invention solves the problem of flexibly configuring the PCIE add-in cards in the rear window of a 2U chassis, and only two butterfly cards are needed. 11 external PCIE plug-in cards are connected to meet the user's demand for flexible matching of external plug-in cards in the rear window of a general 2U standard server, which saves development costs.

Description of drawings

In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. For those of ordinary skill in the art, other embodiments can also be obtained according to these drawings without creative efforts.

1 is a schematic diagram of a system with multiple PCIE add-in cards in the rear window of a 2U chassis according to an embodiment of the present invention;

2 and 3 are respectively a perspective view and a side view of a system of a 2U chassis rear window multi-PCIE add-in card system according to the present invention;

Fig. 4 and Fig. 5 are respectively the left side and the right side schematic diagram of the left side butterfly card according to the embodiment of the present invention;

6 is a perspective view of a left butterfly card according to an embodiment of the present invention;

Fig. 7 and Fig. 8 are respectively the left and right side schematic diagrams of the right butterfly card according to the embodiment of the present invention;

9 is a perspective view of a right butterfly card according to an embodiment of the present invention.

Detailed ways

Embodiments of the present invention are described below. It is to be understood, however, that the disclosed embodiments are merely examples and that other embodiments may take various and alternative forms. The figures are not necessarily to scale; some features may be exaggerated or minimized to show details of particular components. Therefore, specific structural and functional details disclosed herein are not to be interpreted as limiting, but merely as a representative basis for teaching one skilled in the art to variously employ the present invention. As will be understood by those of ordinary skill in the art, various features shown and described with reference to any one figure may be combined with features shown in one or more other figures to produce embodiments not expressly shown or described . The combinations of features shown provide representative embodiments for typical applications. However, various combinations and modifications of the features consistent with the teachings of the present invention may be desired for certain particular applications or implementations.

In order to make the objectives, technical solutions and advantages of the present invention more clearly understood, the embodiments of the present invention will be further described in detail below with reference to the specific embodiments and the accompanying drawings.

Based on the above purpose, on the one hand, an embodiment of the present invention proposes a system with multiple PCIE add-in cards in the rear window of a 2U chassis. As shown in FIG. 1 , the system includes: two main boards, CPU0 and CPU1, and a first butterfly card and a first butterfly card. Two butterfly cards, the first butterfly card and the second butterfly card are connected to a plurality of PCIE add-in cards, wherein the first butterfly card is connected to the two PCIEX16 slots of the CPU0, and is connected to the two PCIEX16 slots of the CPU0. a slimline X8 connector; the first butterfly card is connected to the two PCIE X16 slots of the CPU1, and is connected to the two slimline X8 connectors of the CPU1.

In some embodiments, the first butterfly card is connected to four X8 PCIE add-in cards and one X16 PCIE add-in card.

In some embodiments, the second butterfly card is connected to six X8 PCIE external cards.

In some embodiments, the two PCIE X16 slots of the CPU0 and the two PCIE X16 slots of the CPU1 are on the left and right sides of the rear window, respectively.

In some embodiments, the slimline X8 connector is located on the front side of the motherboard.

In some embodiments, the first butterfly card and the second butterfly card use gold fingers to obtain power from the motherboard.

In some embodiments, the two motherboards CPU0 and CPU1 respectively include two PCIE X16 power connector terminals.

In some embodiments, the left side of the first butterfly card includes 3 PCIE X8 slots, and the right side includes 1 and PCIEX8 slots and 1 PCIE X16 slot.

In some embodiments, the left and right sides of the second butterfly card respectively include three PCIE X8 slots.

In some embodiments, each slot of the first butterfly card and the second butterfly card supports a 75W power consumption add-in card.

In the embodiment according to the present invention, the topology of the system is as shown in Figure 1, 2 CPU motherboards are placed in a 2U chassis, and 4 X16 PCIE standard slots and 4 slimline X8 connectors are reserved on the motherboard . Among them, 4 X16 PCIE standard slots are placed near the left side and near the right side of the rear window, and 4 slmline X8s are placed near the front side of the motherboard. The three-dimensional views are shown in Figures 2 and 3.

The left butterfly card (that is, the second butterfly card) is matched with the 2 PCIe X16 slots on the left side of the rear window of the chassis. The upstream signal of the left butterfly card is composed of 2 PCIe X16 slots and 2 slimline X8 (from The CPU1) connectors are combined to form an X48 channel, and the lower row is 6 standard PCIe slots with X8 bandwidth. Each slot supports a 75W power consumption daughter card. The butterfly card uses gold fingers to get power from the motherboard. The motherboard uses two PCIE X16 power connector terminals, as shown in Figure 4-6.

The right butterfly card (that is, the first butterfly card) is matched with the two PCIE X16 slots on the right side of the rear window of the chassis. The uplink signal of the right butterfly card is composed of two PCIE X16 connectors and two slimline X8 (from The CPU0 PE3) connectors are combined to form an X48 channel, and the lower line is a standard PCIe slot with 4 X8 and 1 X16 bandwidth, and each slot supports a 75W power consumption daughter card. The butterfly card uses gold fingers to get power from the motherboard, and the motherboard uses two PCIE X16 power connector terminals, as shown in Figure 7-9.

Where technically feasible, the technical features listed above for different embodiments may be combined with each other, or modified, added, omitted, etc., to form additional embodiments within the scope of the present invention.

It can be seen from the above embodiments that a system with multiple PCIE add-in cards in the rear window of a 2U chassis provided by the embodiments of the present invention solves the problem of flexibly configuring PCIE add-in cards in the rear window of a 2U chassis, and only two butterfly cards are needed 11 external PCIE plug-in cards are connected to meet the user's demand for flexible matching of external plug-in cards in the rear window of a general 2U standard server, which saves development costs.

It should be understood that, as used herein, the singular form "a" is intended to include the plural form as well, unless the context clearly supports an exception. It will also be understood that "and/or" as used herein is meant to include any and all possible combinations of one or more of the associated listed items.

The above-mentioned embodiments of the present invention disclose the serial numbers of the embodiments only for description, and do not represent the advantages and disadvantages of the embodiments.

Those of ordinary skill in the art can understand that all or part of the steps of implementing the above embodiments can be completed by hardware, or can be completed by instructing relevant hardware through a program, and the program can be stored in a computer-readable storage medium. The storage medium mentioned may be a read-only memory, a magnetic disk or an optical disk, or the like.

The above-described embodiments are possible examples of implementations, and are presented merely for a clear understanding of the principles of the invention. Those of ordinary skill in the art should understand that the discussion of any of the above embodiments is only exemplary, and is not intended to imply that the scope (including the claims) disclosed by the embodiments of the present invention is limited to these examples; under the idea of the embodiments of the present invention , the technical features of the above embodiments or different embodiments can also be combined, and there are many other variations of the different aspects of the embodiments of the present invention as described above, which are not provided in detail for the sake of brevity. Therefore, any omission, modification, equivalent replacement, improvement, etc. made within the spirit and principle of the embodiments of the present invention should be included within the protection scope of the embodiments of the present invention.

Claims (10)

1. a system of many PCIE plug-in cards in the rear window of a 2U chassis, is characterized in that, comprising: two main boards of CPU0 and CPU1 and the first butterfly card and the second butterfly card, the first butterfly card and the second butterfly card Connect multiple PCIE add-in cards, where, The first butterfly card is connected with 2 PCIE X16 slots of the CPU0, and is connected with 2 slimlineX8 connectors of the CPU0; The first butterfly card is connected to the two PCIE X16 slots of the CPU1, and is connected to the two slimlineX8 connectors of the CPU1. 2 . The system according to claim 1 , wherein the first butterfly card is externally connected with 4 X8 PCIE plug-in cards and one X16 PCIE plug-in card. 3 . 3 . The system according to claim 1 , wherein the second butterfly card is externally connected to 6 X8 PCIE external plug-in cards. 4 . 4 . The system according to claim 1 , wherein the two PCIE X16 slots of the CPU0 and the two PCIE X16 slots of the CPU1 are respectively on the left side and the right side of the rear window. 5 . 5. The system of claim 1, wherein the slimline X8 connector is located on the front side of the motherboard. 6 . The system of claim 1 , wherein the first butterfly card and the second butterfly card obtain power from the motherboard using a golden finger. 7 . 7 . The system according to claim 1 , wherein the two motherboards of CPU0 and CPU1 respectively comprise two PCIE X16 power connector terminals. 8 . 8 . The system according to claim 2 , wherein the left side of the first butterfly card comprises 3 PCIE X8 slots, and the right side comprises 1 PCIE X8 slot and 1 PCIE X16 slot. 9 . 9 . The system according to claim 3 , wherein the left side and the right side of the second butterfly card respectively comprise three PCIE X8 slots. 10 . 10 . The system according to claim 1 , wherein each slot of the first butterfly card and the second butterfly card supports 75W power consumption external cards. 11 .

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