KR20020096693A - Board for module interface - Google Patents

Abstract

PURPOSE: A module interface board is provided to test a mounting of a custom specific memory module, which is different from a standard memory module at various conditions, in a general computer system. CONSTITUTION: In a module interface board(100) for testing a mounting of a custom specific memory module in a general computer system which uses a standard memory module, at least one socket(101) is provided for mounting the custom specific memory module. At least one conversion unit(103) performs a mapping of input/output terminals of the custom specific memory module and input/output terminals of the standard memory module. A tap(107) for a standard memory module is provided. The conversion unit(103) is at least one serial presence detect EPROM which is programmed for recognizing the custom specific memory module as a standard memory module. The conversion unit(103) includes an option circuit for selecting a custom specific memory module.

Description

Module interface board {Board for module interface}

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to semiconductor memory modules, and more particularly, to a module interface board that enables evaluation of a custom specific memory module that is different in many respects from a standard memory module in a general computer system.

Most computer systems are equipped with standardized memory modules. Computer systems use corresponding memory modules in accordance with miniaturization, high speed, and large capacity. For example, user specific memory modules are used depending on the needs of a particular computer system, such as a desktop (de or top) computer, a mobile computer, a server or a work station. The manufactured user specific memory module is mounted and tested before being mounted to the computer system.

By the way, in the mounting test, the standard memory module can be mounted and tested in an existing computer system, but the user specific memory module can only be mounted and tested in the specific computer system in which the memory module is used. Accordingly, a company producing a user-specific memory module has a problem in that a test cost becomes large because the burden of having a specific computer system is required to test the user-specific memory module.

Accordingly, an aspect of the present invention is to provide a module interface board for mounting and testing a custom specific memory module that is different from a standard memory module in various ways in a general computer system.

In order to more fully understand the drawings used in the detailed description of the invention, a brief description of each drawing is provided.

1 is a conceptual diagram of a module interface board 100 according to an embodiment of the present invention for testing a user specific memory module having different numbers of pins (or tabs) on a system motherboard.

2 is a basic conceptual diagram of the present invention using the module interface board 100 of FIG.

3 shows a module interface board 100 mounted to the system motherboard 300.

4 shows a second embodiment of a module interface board 400 according to the present invention having two user specific memory modules 401 and 402 and two sockets 403 and 404 for mounting them simultaneously. .

FIG. 5 illustrates the mounting of the module interface board 400 illustrated in FIG. 4 to the system motherboard 500.

FIG. 6 shows a part of pin mapping between the 184 pin pad of the module interface board and the 294 pin module mounted to the module interface board.

7 illustrates a second embodiment of a module interface board according to the present invention for verifying modules having different configurations of data input / output terminals (I / O).

8 illustrates a third embodiment of a module interface board according to the present invention for verifying modules having different configurations of data input / output terminals.

FIG. 9 shows an actual layout of the module interface board 100 shown in FIG. 1.

According to the present invention for achieving the above technical problem, the module interface board, in the module interface board for mounting and testing a custom specific memory module (custom specific memory module) in a general computer system using a standard memory module,

At least one socket on which the user specific memory module is mounted, at least one conversion unit for mapping input / output terminals of the user specific memory module to input / output terminals of a standard memory module, and a tab for a standard memory module It is provided.

Preferably, the plurality of sockets have a different number of tabs depending on the type of the user specific memory module to be mounted.

The converter may replace the at least one Serial Presence Detect EPROM programmed to recognize the user specific memory module as a standard memory module. The converter includes at least one Serial Presence Detect EPROM programmed to recognize the user specific memory module as a standard memory module, a plurality of resistors to remove noise, and a memory socket hole on a system motherboard. It may be provided with a connector hole for contact with the (hole).

The conversion unit may further include an option circuit for selecting the user specific memory module, or may further include a plurality of memories that are the same as the memory mounted in the user specific memory module mounted in the socket.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. For each figure, like reference numerals denote like elements.

1 is a conceptual diagram of a module interface board 100 according to an embodiment of the present invention for testing a user specific memory module having different numbers of pins (or tabs) on a system motherboard.

Referring to FIG. 1, the module interface board 100 may include a socket 101 to which a user specific memory module is mounted, a serial presence detect (hereinafter referred to as SPD) EPROM 103, and a plurality of passive devices 105. And a tab 107. The user-specific memory module socket 101 is, for example, mounted with a 294 pin memory module. The SPD EEPROM 103 is programmed such that the 294 pin memory module is recognized as a standard memory module, for example a module of 184 pins. The module interface board 100 is an embodiment designed to verify a 294 pin memory module in a system equipped with a standard 184 pin memory module.

2 is a basic conceptual diagram of the present invention using the module interface board 100 of FIG.

Referring to FIG. 2, DDR memory chips 201, 202,..., 220 are arranged in the 294-pin memory module 210. When the 294 pin memory module 210 is mounted in the 294 pin socket 101 of the module interface board 100, the 294 pin memory module 210 operates like a 184 pin standard memory module.

3 shows a module interface board 100 mounted to the system motherboard 300.

Referring to FIG. 3, the system motherboard 300 includes a plurality of chips 301, 302,..., 305, 305 formed of a microprocessor, a memory controller, an input / output controller, a socket 310 on which the standard memory module 220 is mounted, and The memory socket 320 to which the module interface board 100 on which the user specific memory module 210 is mounted is mounted is arranged.

4 shows a second embodiment of a module interface board 400 according to the present invention having two user specific memory modules 401 and 402 and two sockets 403 and 404 for mounting them simultaneously. .

FIG. 5 illustrates the mounting of the module interface board 400 illustrated in FIG. 4 to the system motherboard 500.

4 and 5, in the system motherboard 500, the surface on which the module interface board 400 is mounted on the board connectors 506 and 507 is equipped with a plurality of chips 501, 502... 505. It can be seen that it is opposite to the side. However, in view of FIG. 5, the module interface board 400 may be mounted on the same surface as the plurality of chips 501, 502.

FIG. 6 shows a part of pin mapping between the 184 pin pad of the module interface board and the 294 pin module mounted to the module interface board.

The part marked * 1 indicates a signal not used by the 294 pin module. The 152 th tab DQ00 of the 294-pin module is connected to the second tab DQ0 of the 184-pin module interface board 400. The remaining connection relationship can be easily seen with reference to FIG. 6, and thus description thereof is omitted.

7 illustrates a second embodiment of a module interface board according to the present invention for verifying modules having different configurations of data input / output terminals (I / O).

Referring to FIG. 7, the module interface board 700 converts a plurality of 36 I / O memories 701, a socket 702 on which 36 I / O memory modules are mounted, and 36 I / Os to 72 I / Os. A conversion unit 703, a plurality of passive elements 704, and a tab 705. The module interface board 700 is designed to verify a module using 36 I / O using a standard motherboard supporting 72 I / O.

8 illustrates a third embodiment of a module interface board according to the present invention for verifying modules having different configurations of data input / output terminals.

Referring to FIG. 8, the module interface board 800 may include a socket 802 in which a 144 I / O memory module is mounted, a first conversion unit 803 converting 144 I / O into 72 I / O, and a second A conversion unit 804, a switch option unit 805, a plurality of passive elements 806, and a tab 807 are provided. The module interface board 800 is designed to verify a module using 144 I / O using a standard motherboard supporting 72 I / O.

FIG. 9 shows an actual layout of the module interface board 100 shown in FIG. 1.

Although the present invention has been described with reference to one embodiment shown in the drawings, this is merely exemplary, and those skilled in the art will understand that various modifications and equivalent other embodiments are possible therefrom. Therefore, the true technical protection scope of the present invention will be defined by the technical spirit of the appended claims.

As described above, the module interface board according to the present invention enables a specific computer system using a standard memory module to test a user specific memory module in a format different from that of the standard memory module. There is an advantage in that it is not necessary to have a specific computer system to test a kind of user specific memory module.

Claims (6)

A module interface board for testing a custom specific memory module in a general computer system using a standard memory module, At least one socket to which the user specific memory module is mounted; At least one conversion unit for mapping the input / output terminals of the user specific memory module to the input / output terminals of a standard memory module; And A module interface board comprising a tab for a standard memory module. The method of claim 1, wherein the plurality of sockets, And a number of tabs differs according to a type of the user specific memory module to be mounted. The method according to claim 1 or 2, wherein the conversion unit, And at least one Serial Presence Detect EPROM programmed to recognize the user specific memory module as a standard memory module. The method according to claim 1 or 2, wherein the conversion unit, At least one Serial Presence Detect EPROM programmed to recognize the user specific memory module as a standard memory module; A plurality of resistors for removing noise; And And a connector hole for contact with a memory socket hole on the system motherboard. The method of claim 4, wherein the conversion unit, And an option circuit for selecting the user specific memory module. The method of claim 1, wherein the conversion unit, And a plurality of memories identical to those mounted on the user specific memory module mounted on the socket.