JP2001357691A - Data write-in device for non-volatile memory on memory module substrate, recording medium, and inspection equipment for memory module substrate - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve work efficiency by simplifying the work when data stored with a file form which cannot be utilized by a data write-in device is written in a non-volatile memory on a memory module substrate. SOLUTION: SPD is written in an EEPROM 3 on a DIMM 2 by performing a write-in execution program. This write-in execution program is constituted of a filter execution program 34 reading out the prescribed SPD data file to be written in the EEPROM from a hard disk 30 in which an SPD data file having SPD data is recorded, and a write-in program 31 taking out only the SPD data from the file and writing the SPD data in the EEPROM. This filter execution program 34 converts a file read out from the hard disk to a file form which can be read by the write-in program and it is written in the write-in program.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a nonvolatile memory such as an EEPROM provided on a memory module substrate having a plurality of semiconductor memories mounted on the same circuit board.
A data writing device for writing D data and the like, a recording medium on which a writing program for the SPD data and the like are recorded, and an inspection device for writing the SPD data and the like to the nonvolatile memory and inspecting the memory module substrate It is about.

[0002]

2. Description of the Related Art For example, a DIMM used in a personal computer (hereinafter, referred to as a "personal computer") or a workstation is used as the memory module substrate.
(Dual Inline Memory Modul
e) is known. On this DIMM, an EEPROM (Electric Eras) which is a non-volatile memory is provided.
atable Programmable ROM). This EEPROM has an SPD (Serial Presence) which is information such as the memory capacity, data width, control line, and speed of the DIMM.
Detection data is written by the manufacturer.

[0003] In manufacturing a DIMM, the manufacturer writes SPD data in an EEPROM on the DIMM and checks the DIMM. This SP
In writing the D data and inspecting the DIMM (hereinafter, referred to as “substrate inspection etc.”), the EEPR on the DIMM is mainly used.
The SPD data is written to the OM, and the DIMM is inspected for an assembly failure, an address fault, a signal noise failure, and the like.

As an inspection apparatus for performing such a board inspection or the like, a computer capable of collectively managing SPD data corresponding to each DIMM and a computer capable of mounting a DIMM and connected to the computer via a predetermined interface. (For example, TurboC manufactured by TRIAD SPECTRUM)
ATS II ™). In this inspection apparatus, an SPD recorded on a recording medium such as a hard disk or a floppy (registered trademark) disk of the computer is used.
The data is transferred to the DIM through the interface.
The data can be transmitted to the M mounting device and written to the EEPROM on the DIMM. An inexpensive inspection device (for example, TRIAD SPECTR) that cannot be connected to a personal computer but can perform the same substrate inspection as the above inspection device.
UM TurboCATS I ™ is also known.

[0005] An EEPROM using such an inspection apparatus is used.
Is different depending on the type of the DIMM. In recent years, D
The types of IMMs are steadily increasing, and accordingly, the types of SPDs are also increasing. As a result, manufacturers have to manage each DPD in order to easily manage a wide variety of SPDs.
The SPD data corresponding to the IMM is collectively managed by a personal computer.

[0006] When a manufacturer performs a manufacture of a DIMM or a board inspection upon receiving a request from a maker as a customer, the D
In many cases, a floppy disk or the like in which SPD data to be written to the EEPROM of the IMM is stored in a predetermined file format is received. Then, based on this file, the manufacturer performs a board inspection or the like using the above-described inspection device or the like. This file is generally stored in a file format that allows an inspection worker or the like to visually check the SPD data when the file is displayed on a monitor. However, since the file format is not unified, the manufacturer has to carry out a board inspection or the like based on a file stored in a unique file format by each customer.

Here, an example of a file format in which SPD data is stored will be described. FIGS. 8A and 8B
FIG. 5 is a front view of the monitor on which a file storing the same SPD data in different file formats is displayed. In the file format of FIG. 8A, in each line, a two-digit hexadecimal number indicating one SPD data is described first, followed by a comment related to the number. On the other hand, in the file format of FIG. 8B, in each line, first, the number of SPD data described in the line is described, followed by the number of SPD data.

[0008]

However, the conventional inspection apparatus described above (for example, TRIAD SPECTRUM)
TurboCATS II (trademark) manufactured by the company supports only files stored in a certain file format (hereinafter, referred to as “compatible file format”), and other file formats (hereinafter, “non-compliant file”). Format ")
Did not support files saved by. Specifically, the inspection apparatus can accurately extract and write SPD data from the file in the file format shown in FIG. 8A, but can extract the SPD data from the file in the file format shown in FIG. However, there is a problem that the SPD data cannot be accurately extracted and written.

As a method of solving such a problem, a data writing program incorporated in the inspection apparatus itself can be written by extracting SPD data from a file of an unsupported file format. It can be modified as follows. However, changing the data writing program itself that is operating stably is not preferable because it may cause a failure that has not occurred conventionally. Furthermore, in this solution, every time a new file format is output, it is necessary to change the entire data writing program, check for and solve the problem, and the like, and the labor required for the work is large.

[0010] For this reason, conventionally, incompatible file format is S
In a manufacturer having a customer who uses a file storing PD data, the file format of the file (FIG. 8)
(B) is temporarily converted to a compatible file format (the file format in FIG. 8A), and a board inspection or the like is performed using the converted file. Was. However, this method has a problem that the file conversion work is troublesome and the work efficiency is reduced.

When writing is performed using SPD data of a file of an unsupported file format, it is necessary to create a file of the supported file format based on the file as described above. Here, it is desirable that each file managed by the manufacturer on a personal computer be in the same file format as received from the customer in terms of management. On the other hand, it is desirable to manage the converted file of the corresponding file format together with the file of the original non-compatible file format in order to increase the work efficiency at the time of reuse. For this reason, the file is managed in a state where the received file and the converted file are mixed, and there is a problem that the management is complicated.

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and an object of the present invention is to provide an operation for writing data stored in an unsupported file format to a nonvolatile memory on a memory module substrate. Provided are a data writing device that can be simplified to improve work efficiency and simplify the file management of the data, a recording medium on which a program for writing the data is recorded, and a device for inspecting a memory module substrate. It is.

[0013]

In order to achieve the above object, according to the first and second aspects of the present invention, there is provided a file recording medium which records a predetermined file having predetermined data to be written into a nonvolatile memory on a memory module substrate. A data writing unit for extracting the predetermined data from a predetermined file read from the file recording medium and executing a process of writing the predetermined data to a non-volatile memory; A file format changing unit that executes a process of changing the predetermined file read from the medium into a file format in which the data writing unit can extract the predetermined data; And executing the processing by the data writing means, and changing the data writing means by the file format changing means. It is characterized in that a control means for controlling to extract the predetermined data from the predetermined file.

In this data writing device, when the data writing means writes data based on a predetermined file recorded in a non-compliant file format from which predetermined data cannot be extracted, only one execution instruction is issued. Then, the predetermined file can be changed to the corresponding file format by the file format changing unit, and data can be written by the data writing unit based on the changed file data. As described above, the change to the corresponding file format and the writing of the predetermined data can be performed with a single execution instruction. Therefore, before performing the data writing by the data writing device, a separate file converter or the like is separately used. There is no need to create a file in a compatible file format, and data can be written as it is using a file that remains in an unsupported file format.

[0015] In particular, the invention according to claim 2 is the data writing device according to claim 1, wherein the file format changing means and the data writing means are configured so that the configuration can be changed independently of each other. It is a feature.

In this data writing device, the configuration can be changed only by the file format changing means for changing the predetermined file recorded in the unsupported file format into the supported file format. When the format comes out, only the file format changing means can be changed, and it is not necessary to change the data writing means.

According to another aspect of the present invention, there is provided a computer-readable recording medium having recorded thereon a program for causing a computer used in the data writing device according to the first or second aspect to function. Data extraction means for extracting the predetermined data from a predetermined file having predetermined data to be written to the nonvolatile memory on the memory module substrate, writing the predetermined data to the nonvolatile memory, and recording the predetermined file. A program for causing a computer to function as a file format changing means for changing the predetermined file read from the file recording medium into a file format in which the data writing means can extract the predetermined data is recorded.

In this recording medium, the program recorded on the recording medium is executed by a computer constituting the data writer according to claim 1 or 2 to execute a program based on a predetermined file recorded in an unsupported file format. When performing data writing, a predetermined file read from the file recording medium is changed to a corresponding file format by executing a program that causes a computer to function as a file format changing unit. Then, based on the changed file data, the control unit executes a program for causing a computer to function as the data writing unit. These programs are executed by the control means.
The job is executed as one job only by issuing the execution instruction twice. Therefore, there is no need to separately execute a file converter or the like to create a file in a compatible file format before writing data by the program recorded on the recording medium, and a file in a state of an unsupported file format is not necessary. Can be used to write data as it is.

In a fourth aspect of the present invention, in the computer readable recording medium of the third aspect, a file format change program for causing a computer to function as the file format change means and a computer to function as the data write means. The writing program is configured as a program whose configuration can be changed independently of each other.

In this recording medium, the file format change program and the write program are recorded as programs whose configuration can be changed independently of each other. For example, when a new non-compatible file format comes out, Only the file format change program can be changed, and there is no need to change the write program.

In order to achieve the above object, according to the present invention, the predetermined file is read out from a file recording medium in which a predetermined file having predetermined data to be written to a non-volatile memory on a memory module substrate is recorded. Extracting the predetermined data from the predetermined file,
Writing means for writing the predetermined data to the nonvolatile memory;
A board inspection means for inspecting a memory module substrate to be written by the writing means, wherein the memory writes the predetermined data to a nonvolatile memory on the memory module substrate and inspects the memory module substrate In the module board inspection apparatus, as the writing means,
A data writing device according to claim 1 or 2 is used.

In this inspection apparatus, data writing is performed by using the data writing apparatus of claim 1 or 2, so that the data writing operation is simplified and the file management of the writing source data is also simplified. be able to. In particular, when the data writing device of claim 2 is used, it is possible to quickly cope with a new file format.

[0023]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention is applied to a nonvolatile memory E provided on a DIMM which is a memory module substrate.
An embodiment will be described in which SPD data, which is predetermined data, is written in an EPROM and applied to an inspection system as an inspection device that inspects the DIMM.

First, the configuration and operation of the entire inspection system according to the present embodiment will be described. FIG. 2 is an external view of the entire inspection system according to the present embodiment. This inspection system includes a personal computer 1, a board mounting device 10 connectable to the personal computer, and a dedicated inspection device 20.

The personal computer 1 is a commercially available DOS
A general-purpose personal computer such as a -V machine, which is provided with a parallel interface (hereinafter, referred to as a "centro connector") as an output interface unit for performing data communication with an external device such as a printer. In the personal computer 1, each SPD data is stored in a file format in a built-in hard disk as a file recording medium in order to manage various kinds of SPD data. By using a personal computer, an almost unlimited number of SPD data can be managed. The personal computer 1 transmits the SPD data file stored in the hard disk to the EEPROM 2 on the DIMM 2 via the board mounting device 10 connected to the centro connector.
A writing execution program as a writing program for writing to M3 is installed. The inspection operator selects an arbitrary SPD data file from the hard disk and executes the write execution program, so that the SPD data is transferred to the DIMM 2 via the board mounting device 10.
The data can be written in the EEPROM 3 above.

The board mounting apparatus 10 is also provided with a centro connector as an interface unit similarly to the personal computer 1. The centro connector is provided on the back of the board mounting device 10. The board mounting apparatus 10 executes the write execution program of the personal computer 1 to execute the S input through the centro connector.
EEPR on DIMM2 prepared PD data
Transmit to OM3. This DIMM 2 is used as a master board. Further, the substrate mounting device 10
Is provided with a power supply unit for supplying a 5V DC power supply to the internal circuit. A power supply cable 6 extends from this power supply unit. Is possible. Furthermore,
On the upper surface of the board mounting device 10, a power switch 7 for switching on / off of power supply from the power supply unit is provided.

The inspection dedicated device 20 writes SPD data into an EEPROM 5 provided on the DIMM 4 to be inspected, and inspects the DIMM. The inspection-dedicated device 20 is an inexpensive device that cannot be connected to the personal computer 1, and for example, TurboCATS I (trademark) manufactured by TRIAD SPECTRUM can be used. The inspection-dedicated device 20 can store seven types of SPD data, and selects SPD data from these according to the type of DIMM 4 to be inspected.
PD data can be written to the EEPROM 5 on the DIMM. Further, the inspection dedicated device 20 inspects the DIMM 4 to be inspected according to a predetermined inspection program.
Up to seven user-specific inspection programs can be stored in addition to those set by default. At the time of the inspection, the inspection operator appropriately selects and executes necessary ones from the stored inspection programs.

FIG. 3 is a block diagram showing a schematic configuration of the substrate mounting apparatus 10. As shown in FIG. The board mounting device 10 includes a centro connector 11 as an interface unit that can be connected to the centro connector of the personal computer 1 by a cable.
The same type of Centro connector 12 as another interface unit connected to the Centro connector 11 on a one-to-one basis inside the apparatus is provided. The Centro connector 11 is connected to the Centro connector 12 by a flat cable.
Is connected to a printer device 8 which is an external device. With this configuration, even if the centro connector for connecting the printer device of the personal computer 1 is used for the inspection system, communication between the personal computer and the printer device 8 can be maintained.
The personal computer can be used for other purposes.

The board mounting apparatus 10 is provided with four sockets 13a, 13b, 13c, and 13d as board mounting portions on which DIMMs 2 serving as master boards can be mounted. These sockets are 100-pin DI
MM-compatible first socket 13a and 184-pin D
It comprises a second socket 13b corresponding to the IMM, a third socket 13c corresponding to the 168-pin DIMM, and a fourth socket 13d corresponding to the 144-pin DIMM.
As a result, the substrate mounting apparatus 10
It can correspond to the format of IMM. Here, the configuration is such that four sockets corresponding to the four types are provided, but if it is necessary to support other types of DIMMs, sockets corresponding to the types may be provided.

The board mounting apparatus 10 is provided with an external connection connector 14 as another interface unit. The external connection connector 14 is provided on the back surface of the board mounting device 10, and is provided in each socket 1.
Like 3a, 13b, 13c and 13d, it is connected to the personal computer via the level changing unit 15 and the Centro connector 11. By providing the external connection connector 14, if an external device that can be connected to the external connection connector and can be equipped with a new type of DIMM is prepared,
New form of D without changing the design of the device itself
It is possible to create an IMM master board. Also, instead of preparing such an external device, an IC clip or the like for directly connecting the terminal of the new type DIMM and the terminal of the external connection connector 14 is connected to the external connection connector. Is also good.

In addition, the signal level of the SPD data input from the centro connector 11 is supplied to the board mounting apparatus 10 by the sockets 13a, 13b, 13c, 13c.
d, an EEPROM on the DIMM 2 attached to any of the external devices connected to the external connection connector 14.
A level changing unit 15 is provided for a signal level suitable for the third. The level changing unit 15 changes the level of the 5 V SPD data input from the centro connector 11 to 3.3 V and outputs it to each socket or the like. Each data line extending from the level changing unit 15 is connected in parallel to each of the sockets 13a, 13b, 13c, 13d and the external connection connector 14, and the DIMM 2 is connected to one of the sockets and the like. Then, the above SPD
Data is written to the DIMM. In the following description, the fourth socket 1 corresponding to the 144-pin DIMM 2 will be described.
The case where 3d is used will be described.

The DIMM 2 to which the SPD data has been written by the data writing device including the personal computer 1 and the board mounting device 10 is used as a master board. Then, the DIMM 2 serving as the master board is removed from the fourth socket 13d, and the inspection dedicated device 20 is removed.
And downloads the SPD from the DIMM to the inspection dedicated device as described later.

FIG. 4 is a block diagram showing a schematic configuration of the inspection dedicated device 20. The inspection-dedicated device 20 is, like the fourth socket 13d, a 1
A socket 21 corresponding to a 44-pin DIMM is provided. The socket 21 is configured to be attachable to and detachable from the inspection-dedicated device 20, and the DIMM to be inspected is
The socket can be exchanged according to the format.

The inspection-dedicated device 20 has an SPD
A data memory section 22 for storing data, a program memory section 23 for recording an inspection program to be executed by the inspection dedicated apparatus, and an SPD written in an EEPROM 3 on a DIMM 2 as a master board mounted on the socket 21 A recording control unit 24 for recording data in the data memory unit;
It comprises a write control unit 25 for writing SPD data to the EEPROM 5 on the IMM 4, an inspection control unit 26 for inspecting a DIMM to be inspected according to an inspection program recorded in the program memory unit, and the like.

The data memory section 22 stores seven types of S
PD data can be stored. The program memory unit 23 stores a default inspection program set by default, and can store up to seven user-specific inspection programs. The data memory unit 22 and the program memory unit 23 may be formed on a single recording medium or may be formed on separate recording media. The data memory unit 22
When it is desired to input SPD data manually, the user can operate the touch panel 9 shown in FIG.
Also, when a user-specific inspection program is stored in the program memory unit 23, the user operates the touch panel 9 similarly.

The recording control unit 24 includes the socket 21
EEPR on DIMM2 which is the master board attached to
From the OM 3, the SPD data written by the board mounting device 10 is recorded in the data memory unit 22 in a predetermined format. If seven types of SPD data are already stored in the data memory unit 22, a warning to that effect is issued to the touch panel 9 and the inspection worker selects SPD data to be erased from the seven types of SPD data. Let it. Then, the recording control unit 24 selects the selected S
The contents of the PD data are erased, and new SPD data from the DIMM 2 is written into the data storage portion.

The writing control unit 25 takes out SPD data selected by the inspection operator from the SPD data stored in the data memory unit 22 and outputs the SPD data to the socket 21. Then, the SPD data is written to the EEPROM 5 on the DIMM 4 to be inspected mounted on the socket 21.

The inspection control unit 26 executes an inspection program selected by an inspection operator from the inspection programs stored in the program memory unit 23. This test program is used to detect open / short of address line, data line, DQM line, CS line, control line of module, etc. on DIMM, and to detect open / short of each memory cell on DIMM. , Sequentially execute various types of inspections specified by the inspection program.

The inspection is performed as follows using the inspection system having the above configuration. Here, various types of DI
A case will be described in which the present inspection dedicated device is applied to an inspection line on which an MM is mounted. First, D on the inspection line
A master board is created using the personal computer 1 and the board mounting device 10 according to the type of IMM. Then, according to the type of DIMM flowing on the inspection line,
SPD from the corresponding master substrate to the inspection dedicated device 20
The data is downloaded and stored in the data memory unit 22. When the eighth or more types of DIMMs flow, each time any of the SPs stored in the data memory unit 22
D data is deleted and the corresponding SP
Download D data. The inspection is performed in this manner. When the inspection of the DIMM on the inspection line is completed, the master substrate is finally disposed of and the inspection is completed. The master substrate may be discarded as it is, or may be stored for a predetermined period for the next use. If there is a contract to deliver all the DIMMs requested to be manufactured or inspected to the customer, the master substrate is inspected at last, and the master substrate is delivered together with the inspected substrate.

According to the inspection system having the above-described configuration, when the inspection-dedicated device 20 that cannot be connected to the personal computer is used, the operation of manually inputting the SPD data is not performed, and the SPD data stored and managed in the personal computer can be easily obtained. Can be used for In addition, as the inspection-only device, TR
TurboCATS I manufactured by IAD SPECTRUM
(Trademark) and other inexpensive inspection equipment.
Moreover, since the substrate mounting apparatus 10 can also be manufactured at low cost,
The inspection system as described above can be constructed at low cost.

Next, the operation of the data writing device composed of the personal computer 1 and the board mounting device 10, which is a characteristic part of the present invention, will be described. FIG. 1 is a functional block diagram showing a schematic configuration when a program installed in the personal computer 1 writes SPD data. The personal computer 1 has the above-mentioned writing execution program 3
In addition to 1, SP from EEPROM3 on DIMM2
A read execution program 32 for reading D data, SPD data recorded on a hard disk 30 as a file recording medium, and an SPD written in the EEPROM 3
A comparison execution program 33 for comparing data with data, and a filter execution as a file format change program for changing the SPD data file read from the hard disk 30 into a file format in which the writing execution program can extract SPD data and outputting the same The program 34 is installed. In the present embodiment, the write execution program 31 is read out and temporarily stored.
A data writing means is constituted by the AM and a CPU for executing the program. A RAM for reading and temporarily storing the filter execution program 34 and a CPU for executing the program form a file format changing means. It is configured.

The write execution program 31 extracts only SPD data from the input SPD data file, and temporarily records the extracted SPD data at a predetermined address in a memory (not shown). Then, the SPD data recorded in this memory is read out sequentially from the specified address, and a signal corresponding to the SPD data is sent to the DIMM2.
Writing is performed by sending the data to the EEPROM 3 above.

Here, the write execution program 31 includes:
When an SPD data file of a non-compliant file format that cannot accurately extract and write SPD data is input, the writing execution program extracts SPD data from the file and records the SPD data in the memory. Can not do it. Therefore, in this embodiment, instead of directly inputting the SPD data file stored in the hard disk 30 to the write execution program 31, the write execution program once extracts the SPD data and writes the file. And then input to the write execution program.

More specifically, the filter execution program 34 and the write execution program 31, which are separate execution programs, are batch processed. For example, the personal computer 1
When the OS (operating system) is MS-DOS, a predetermined SPD data file is read from the hard disk 30 using the function of the OS, the file is input to the filter execution program 34, and the function of the OS is used. A predetermined command is input so that the output of the filter execution program is input to the writing execution program 31 as standard. Thereby, the predetermined SPD data file read from the hard disk 30 is
The filter execution program 34 temporarily changes the file format into a corresponding file format and outputs the file. This output is directly input to the write execution program 31 as it is, and the write execution program is stored in the filter execution program 34.
SPD data is extracted from the file data output from the
Write to OM3.

With the above configuration, the hard disk 3
0, even if the SPD data file stored in the filter execution program
4, the file is once changed to a compatible file format and then input to the write execution program 31.
D data can also be written to the EEPROM 3 on the DIMM 2.

According to the present embodiment, the write execution program 31 and the filter execution program 34 are separate and independent programs, but can be executed by a series of operations as one job by the batch processing. Therefore,
The inspection worker does not need to create a file in a corresponding file format using a predetermined file converter as in the related art, so that the work can be simplified and the work efficiency can be improved as compared with the related art.

Further, if the file format is compatible with the filter execution program 34, even if the file format does not support the write execution program 31,
SPD data can be written in the same file format. Therefore, there is no need to manage files in a state where files of the unsupported file format and files of the supported file format for the same SPD data are mixed, and file management can be simplified.

Since the write execution program 31 and the filter execution program 34 are independent programs, if a new file format not supported by the filter execution program comes out, the filter execution program part It is possible to respond only by changing only. Specifically, when the filter execution program is modified to correspond to the new file format, or a new filter execution program is prepared to correspond to the new file format, and the SPD data of the new file format is written. To use the new filter execution program. According to such a configuration, it is possible to cope with a new file format without making a change to the write execution program 31 which is a main program of the SPD data write operation. Since almost no work such as correction is required, it is possible to quickly cope with a new file format.

The comparison execution program 33 is also installed in the personal computer 1 of this embodiment. This comparison execution program 33 is stored in the hard disk 30
And the EE on DIMM2
By comparing the SPD data written in the PROM 3 with the SPD data, the presence or absence of a write error can be determined. In addition, a large number of DIMMs 4 that have been inspected by the inspection
, And compares the SPD data written in the EEPROM 5 with the SPD data recorded in the hard disk 30 to check the inspection dedicated device 2.
It is also possible to determine whether there is an SPD data write error due to 0. In the present embodiment, a RAM for reading and temporarily storing the comparison execution program 33 and a CPU for executing the program constitute a data comparison unit.

FIG. 5 is a functional block diagram showing a schematic configuration when the program installed in the personal computer 1 compares SPD data. The comparison execution program 33 is executed by the board mounting device 10 through the fourth execution program.
EEPROM on DIMM2 attached to socket 13d
Read the SPD data written to M3, and read the SPD
The data is recorded in a memory (not shown). Further, the comparison execution program 33 stores the SPD data of the writing source SPD data file stored in the hard disk 30.
Data is also recorded in the memory. Here, when reading out the SPD data file of the writing source stored in the hard disk 30, as in the case of the data writing shown in FIG. 1, it is necessary to read the file in the hard disk as it is into the comparison execution program 33. Instead, the file is temporarily changed to a file format corresponding to the comparison execution program, and then input to the comparison execution program. Then, the comparison execution program compares both SPD data. Note that the comparison operation of the SPD data is also performed by batch processing the filter execution program 34 and the comparison execution program 33, which are separate execution programs, as in the case of the write execution program.

As a result of the comparison, when the SPD is correctly written, "PASS" is displayed on the monitor of the personal computer 1.
Is displayed to inform the inspection worker that the writing has been normally performed. On the other hand, if the SPD is not correctly written, “FAIL” or the like is displayed on the monitor,
Inform the inspection worker that writing has not been performed normally. In this case, the inspection worker performs the writing again or exchanges the DIMM to be written.

In the personal computer 1 of the present embodiment, the read execution program 32 is also installed. This read execution program 32 is used to read the EEPROM
SPD data in M can be read. In the present embodiment, a RAM for reading and temporarily storing the read execution program 32 and a C for executing the program
The substrate data reading means is constituted by the PU or the like.

FIG. 6 shows that the program installed in the personal computer 1 is the SPD in the EEPROM on the DIMM.
FIG. 3 is a functional block diagram illustrating a schematic configuration when data is read. The read execution program 32 has a DIM
The SPD data in the EEPROMs 3 and 5 on the M2 and M4 is read, and the SPD data is recorded in a memory (not shown). The SPD data recorded in this memory is stored in the hard disk 30 in a predetermined file format, displayed on the monitor of the personal computer 1 or the like, or It is printed out. Here, when the SPD data recorded in the memory is sent to the hard disk 30 or the like, an operation reverse to that of the data writing shown in FIG. 1 is performed. That is, based on the SPD data, a file of the file format selected by the operation of the inspection worker is created, and the file is stored in the hard disk 30. The same applies to output to a monitor or printer device. The reading of the SPD data is performed in the same manner as in the case of the data writing.
2 and a batch process.

As described above, since the SPD data in the EEPROM on the DIMM can be read, for example, predetermined SPD data necessary for board inspection or the like is obtained in a state where it is recorded in the EEPROM on the DIMM. Even in this case, it is possible to save the data in a predetermined file format on the hard disk 30 of the personal computer 1. Therefore, even the SPD data thus obtained can be file-managed in the personal computer 1 in a predetermined file format. If a write error is found as a result of the comparison by the comparison execution program 33, the DIMM
The SPD data in the EEPROM can be displayed in a predetermined format on the monitor of the personal computer 1 or printed out by using the printer device 8 so that the inspector can visually search for an error. become.

In this embodiment, TurboCA manufactured by TRID SPECTRUM cannot be connected to a personal computer.
An inspection system using an inexpensive inspection dedicated device such as TSI (trademark) has been described.
As shown in FIG. 1, an inspection apparatus (for example, T) using a DIMM mounting apparatus 110 which can mount a DIMM and is connected to the computer 101 via a predetermined interface.
TurboCATS manufactured by RIAD SPECTRUM
II (Trademark)). If this inspection apparatus is used, the SPD data stored and managed in the personal computer 1 as in the above embodiment is temporarily
There is no need to create a master substrate by recording it in the EEPROM 3 on the IMM 2 and move it to the dedicated inspection device 20.

In the above embodiment, the DIMM has been described as an example. However, the present invention can be applied to other memory module substrates provided that a nonvolatile memory for recording predetermined data is provided. It is possible. In this case, although it is necessary to slightly change the socket shape, the recording method, and the like, the inspection device can be similarly constructed at low cost.

[0057]

According to the first and second aspects of the present invention, when data stored in a non-compliant file format is written to the nonvolatile memory on the memory module substrate, the non-compliant file format remains as it is. Since the data writing can be performed as it is using the file, there is an excellent effect that the data writing operation can be simplified and the operation efficiency can be improved. In addition, since data can be written as is using a file that remains in an unsupported file format, there is no need to separately create and manage files in a supported file format, making file management easy There is also an excellent effect that it can be converted.

In particular, according to the second aspect of the present invention, a new file format can be supported only by changing only the file format changing means which does not affect the writing operation. There is an excellent effect that relatively few bug checks and corrections are required, and it is possible to quickly respond to a new file format.

According to the third and fourth aspects of the present invention, by causing a computer to execute a program recorded on the recording medium, data stored in an unsupported file format is stored in a nonvolatile memory on a memory module substrate. At the time of writing, data can be written as it is using a file that remains in an unsupported file format, so that there is an excellent effect that the data writing operation can be simplified and the operation efficiency can be improved. In addition, since data can be written as is using a file that remains in an unsupported file format, there is no need to separately create and manage files in a supported file format, making file management easy There is also an excellent effect that it can be converted.

In particular, according to the fourth aspect of the present invention, it is possible to support a new file format only by changing a file format change program which does not affect the writing operation recorded on the recording medium. Since it is possible, there are relatively few checks and corrections for new defects due to the change, and there is an excellent effect that it is possible to quickly cope with a new file format.

According to the fifth aspect of the present invention, data can be written while enjoying the effects of the above-described data writing apparatus of the first or second aspect. There is an excellent effect that the file management of the data can be simplified. In particular, when the data writing device of the second aspect is used, there is an excellent effect that it is possible to quickly cope with a new file format due to the effect.

[Brief description of the drawings]

FIG. 1 is a functional block diagram showing a schematic configuration when a program installed in a personal computer configuring an inspection system according to an embodiment writes SPD data.

FIG. 2 is an external view of the entire inspection system.

FIG. 3 is a block diagram showing a schematic configuration of a substrate mounting device constituting the inspection system.

FIG. 4 is a block diagram showing a schematic configuration of an inspection-dedicated device constituting the inspection system.

FIG. 5 is a functional block diagram showing a schematic configuration when a program installed in a personal computer constituting the inspection system compares SPD data;

FIG. 6 is a functional block diagram showing a schematic configuration when a program installed in the personal computer reads out SPD data in an EEPROM on a DIMM.

FIG. 7 is an external view of an entire inspection system having a configuration different from that of the inspection system.

FIGS. 8A and 8B are front views of a monitor on which a file storing the same SPD data in different file formats is displayed.

[Explanation of symbols]

 1,101 Personal computer 2 DIMM for master board 4 DIMM for inspection 3,5 EEPROM 6 Power cable 7 Power switch 8 Printer device 9 Touch panel 10,110 Board mounting device 11,12 Centro connector 13a, 13b, 13c, 13d Socket 14 External Connector 15 Level change unit 20 Inspection dedicated device 21 Socket 22 Data memory unit 23 Program memory unit 24 Recording control unit 25 Write control unit 26 Inspection control unit 30 Hard disk 31 Write execution program 32 Read execution program 33 Comparison execution program 34 Filter execution program

Claims (5)

[Claims] 1. A file recording medium on which a predetermined file having predetermined data to be written to a nonvolatile memory on a memory module substrate is recorded, and the predetermined data is extracted from a predetermined file read from the file recording medium. A data writing unit that executes a process of writing the predetermined data to the nonvolatile memory, wherein the predetermined file read from the file recording medium is
A file format changing means for executing a process of changing the data format into a file format from which the predetermined data can be extracted, and a process executed by the file format changing device and the data writing process by one execution instruction. Control means for executing the data writing means and extracting the predetermined data from the predetermined file changed by the file format changing means. 2. A data writing apparatus according to claim 1, wherein said file format changing means and said data writing means are configured to be changeable independently of each other. . 3. A computer-readable recording medium in which a program for causing a computer used in the data writing device according to claim 1 to function is recorded, wherein predetermined data to be written to a nonvolatile memory on a memory module substrate is provided. Data writing means for extracting the predetermined data from a predetermined file having a predetermined file and writing the predetermined data to a nonvolatile memory; and writing the predetermined file read from a file recording medium on which the predetermined file is recorded in the data writing section. A computer-readable recording medium on which a program for causing a computer to function as a file format change unit for changing the format into a file format from which the predetermined data can be extracted is recorded. 4. A computer-readable recording medium according to claim 3, wherein a file format changing program for causing a computer to function as said file format changing means and a writing program for causing a computer to function as said data writing means are mutually exchanged. A computer-readable recording medium configured as a program whose configuration can be changed independently. 5. A predetermined file having predetermined data to be written to a non-volatile memory on a memory module substrate is read from a file recording medium recording the predetermined file,
Writing means for extracting the predetermined data from the read predetermined file and writing the predetermined data to a non-volatile memory; and board inspection means for inspecting a memory module substrate to which the writing means is to be written 3. The memory module substrate inspection apparatus according to claim 1, wherein said predetermined data is written to a nonvolatile memory on said memory module substrate, and said memory module substrate is inspected. An inspection device for a memory module substrate, comprising a writing device.