CN207319223U - Computing switching device based on PCIE X16-MXM - Google Patents

Abstract

A PCIE X16-MXM-based computing adapter device belongs to the technical field of computing adapter board design. The utility model aims to solve the problem that the current MXM computing card cannot be directly used on desktop PCs and servers, and the cost of development and use by users is relatively high. It includes an adapter board, PCIE X16 gold finger, MXM 3.0 interface, MXM computing card, I2C ROM interface, and PCIE-MXM signal line. The PCIE X16 gold finger is set on the adapter board, and the PCIE X16 gold finger can be plugged into a On the server with PCIE X16 slot; the adapter board is also equipped with MXM 3.0 interface and I2C ROM interface, MXM 3.0 interface is loaded with MXM computing card, and I2C ROM interface is used to store firmware program; They are connected by PCIE‑MXM signal cable. The utility model is used for realizing the direct connection between the MXM computing card and the PC or the server.

Description

Computing adapter device based on PCIE X16-MXM

technical field

The utility model relates to a PCIE X16-MXM-based computing switching device, which belongs to the technical field of computing switching board design.

Background technique

PCI Express (hereinafter referred to as PCIE) technology adopts the current popular point-to-point serial connection in the industry. At the same time, the 16-channel PCIE X16 can provide a higher bandwidth level, and the characteristics of PCIE include support for hot swapping and synchronous data transmission. At present, most servers and computer systems have PCIE X16 specification standard interfaces, which can be used in combination with MXM computing cards to realize computing functions.

The full name of MXM is Mobile PCI Express Module, which is the mobile PCIE model. It is a standard interface based on the PCIE protocol for connecting computing cards, graphics cards and other devices, including all signals of the PCIE protocol. This interface model is jointly developed by NVIDIA and several notebook computer manufacturers, and is mostly used in computing cards and graphics card products. At present, MXM products are only used in some notebook products. Most desktop PCs and servers do not include MXM interfaces, while desktop PCs and servers have PCIE interfaces, so MXM computing cards cannot be directly used in desktop PCs. Computing functions can be used on computers and servers, and if the related computing system is directly used, the cost is relatively high.

Utility model content

The purpose of this utility model is to solve the problem that the current MXM computing card cannot be directly used on desktop PCs and servers, and the cost of development and use by users is relatively high, and provides a computing adapter device based on PCIE X16-MXM.

The PCIE X16-MXM-based computing switching device described in the utility model includes a switching board, a PCIE X16 gold finger, an MXM 3.0 interface, an MXM computing card, an I2C ROM interface, and a PCIE-MXM signal line. PCIE X16 gold finger, the PCIE X16 gold finger can be plugged into a server with a PCIE X16 slot; the adapter board is also equipped with MXM3.0 interface and I2C ROM interface, and the MXM 3.0 interface is loaded with MXM computing card, I2C The ROM interface is used to store firmware programs; the MXM 3.0 interface is connected to the PCIE X16 golden finger through the PCIE-MXM signal line.

The advantages of the utility model: the utility model integrates the MXM computing card and the PCIE X16 gold finger on the adapter board together to form a PCIE X16 card, and the plug of the PCIE X16 gold finger can be directly inserted into the PCIE card of the PC or the server. slot used. It enables MXM computing cards to be used directly on servers and desktop PCs with standardized PCIE X16 interfaces, which helps to shorten the research and development cycle of new products based on MXM computing cards, and better and faster meet user needs.

Description of drawings

Fig. 1 is the signal transmission schematic diagram of the operation switching device based on PCIE X16-MXM described in the utility model;

Fig. 2 is a schematic structural diagram of the PCIE X16-MXM-based computing adapter device of the present invention.

Detailed ways

Below in conjunction with Figure 1 and Figure 2, this embodiment will be further described. The PCIE X16-MXM-based computing adapter device described in this embodiment includes an adapter board 1, a PCIE X16 golden finger 2, an MXM 3.0 interface 3, and an MXM computing card 4. I2C ROM interface 5 and PCIE-MXM signal line 6, PCIE X16 gold finger 2 is set on the adapter board 1, and the PCIE X16 gold finger 2 can be plugged into a server with a PCIE X16 slot; the adapter board 1 MXM 3.0 interface 3 and I2C ROM interface 5 are also set on the MXM3.0 interface 3 to carry MXM computing card 4, and I2C ROM interface 5 is used to store firmware programs; MXM 3.0 interface 3 and PCIE X16 gold finger 2 pass through PCIE -MXM signal line 6 connection.

The MXM 3.0 interface 3 direction can be perpendicular to the PCIE X16 gold finger 2 direction, and the entire MXM computing card 4 can be placed on the adapter board 1, which is beneficial for use in servers or desktop PCs.

The MXM computing card 4 can be inserted into the MXM 3.0 interface 3, and through the interface conversion on the adapter board 1, the MXM3.0 interface 3 can be converted into a PCIE interface for output.

The PCIE X16 gold finger 2 is inserted into a server with a PCIE X16 slot, and can provide voltages of +12V and +3.3V respectively.

The +3.3V voltage provided by the PCIE X16 gold finger 2 directly supplies power to the MXM 3.0 interface 3, and the +12V voltage provided by the PCIE X16 gold finger 2 is divided into two branches, one branch directly supplies power to the MXM 3.0 interface 3, and the other One branch converts the +12V voltage into +5V voltage through the power converter 7 to supply power for the MXM 3.0 interface 3 .

The working voltage of the I2C ROM interface 5 is +3.3V.

The adapter board 1 is also provided with a power socket 8 for connecting an external DC power supply to provide test power for the PCIE X16 gold finger 2 . The power base 8 can be connected to an external DC power supply for power supply testing of the PCIE X16 gold finger 2, so as to avoid losses caused by direct insertion into the server before the computing adapter device is not working properly.

The firmware program stored in the I2C ROM interface 5 is SIS information, and the firmware program is used to judge the compatibility, power supply capability and heat dissipation capability of the MXM computing card 4 .

A plurality of test points are set on the adapter board 1 .

The test points may include a TH_OVERT test point, a TH_ALERT test point, and a pair of differential read/write signal test points; and may also include a PER_EN test point, a PEX_RST test point, a PWR_GOOD test point, and a TH_PWM test point. Multiple test points are respectively used to detect the working conditions of the MXM computing card 4 during operation.

6 positioning holes are set on the adapter plate 1, and 4 positioning holes are used for fixing the bracket. The 4 positioning holes are hole C, hole D, hole E and hole F in Fig. 2, and the bracket is used for Raise the MXM computing card 4, and fix the MXM computing card 4 together with the bracket and the other two positioning holes. The other two positioning holes are hole A and hole B in FIG. 2 . The setting of the bracket prevents the MXM computing card 4 from adhering to the adapter board 1 , thereby preventing some components on the back of the MXM computing card 4 from falling off, and ensuring the normal operation of the MXM computing card 4 .

As shown in FIG. 2 , the adapter board 1 is provided with a fan port 9 for connecting with a fan. After the fan is connected, it can help the MXM computing card 4 dissipate heat. The required supply voltage for fan port 9 is +12V or +5V.

In this disclosure, the PCIE X16 gold finger is inserted into the slot of the server or PC to complete the connection between the transfer device and its attached equipment; through the differential signal routing between the MXM interface and the PCIE X16 gold finger, the MXM interface to the PCIE interface is completed Protocol conversion; the +12V and +3.3V voltage provided by the attached device of the present disclosure can be directly connected to the MXM interface for the MXM computing card to work, and the +12V voltage can also be converted into +5V through the power converter 7 and connected to the MXM interface For the MXM computing card to work. Based on the composition of the adapter device, after the MXM 3.0 interface is connected to the MXM computing card with matching specifications, it is inserted into a server with a PCIE X16 slot, and the computing function of the MXM computing card is completed by operating the server.

The above descriptions are only preferred embodiments of the present disclosure, and all equivalent changes and modifications made according to the present disclosure fall within the scope of the present disclosure.

Claims (8)

1. a kind of computing switching device based on PCIE X16-MXM, it is characterised in that it includes pinboard (1), PCIE X16 Golden finger (2), 3.0 interfaces of MXM (3), MXM computings card (4), I2C ROM interfaces (5) and PCIE-MXM signal wires (6),

PCIE X16 golden fingers (2) are set on pinboard (1), and the PCIE X16 golden fingers (2) are pluggable in PCIE On the server of X16 slots；3.0 interfaces of MXM (3) and I2C ROM interfaces (5), 3.0 interfaces of MXM are also set up on pinboard (1) (3) carry a load on the back on MXM computings card (4), I2C ROM interfaces (5) are used to store firmware program；

It is connected between 3.0 interfaces of MXM (3) and PCIE X16 golden fingers (2) by PCIE-MXM signal wires (6).

2. the computing switching device according to claim 1 based on PCIE X16-MXM, it is characterised in that the PCIE Server of X16 golden fingers (2) insertion with PCIE X16 slots, can provide+12V and+3.3V voltages respectively.

3. the computing switching device according to claim 2 based on PCIE X16-MXM, it is characterised in that the PCIE + 3.3V the voltages that X16 golden fingers (2) provide directly are powered for 3.0 interfaces of MXM (3), PCIE X16 golden fingers (2) offer+ 12V voltages are divided into two branches, and a branch is directly powered for 3.0 interfaces of MXM (3), and another branch passes through power supply changeover device (7)+12V voltage conversions are powered into after+5V voltages for 3.0 interfaces of MXM (3).

4. the computing switching device according to claim 1 based on PCIE X16-MXM, it is characterised in that the pinboard (1) power socket (8) is also set up on, for external direct current power supply, test power supply is provided for PCIE X16 golden fingers (2).

5. the computing switching device according to claim 1 based on PCIE X16-MXM, it is characterised in that the pinboard (1) multiple test points are set on.

6. the computing switching device according to claim 5 based on PCIE X16-MXM, it is characterised in that the test point Including TH_OVERT test points, TH_ALERT test points and a pair of of differential read write signal testing point, detection MXM computings are respectively intended to Block the corresponding working state of (4).

7. the computing switching device according to claim 1 based on PCIE X16-MXM, it is characterised in that the pinboard (1) 6 location holes are set on, wherein 4 location holes are used for fixing bracket, the stent is used for padded MXM computings card (4), and And stent fixes MXM computings card (4) jointly with two other location hole.

8. the computing switching device according to claim 1 based on PCIE X16-MXM, it is characterised in that the pinboard (1) the fan port (9) for being used for being connected with fan is set on.