CN201311474Y - Central processor front bus signal measurer - Google Patents

Abstract

The utility model provides a central processor front-side bus signal measuring device, the central processor to be measured is arranged on a base, and the signal measuring device includes: a protective seat, which is arranged on the central processor and the base Between, the protection seat is provided with several pins on one side, and several pin holes are correspondingly provided on the other side of the protection seat, and each of the pin holes is provided with a processor pin at the bottom of the above-mentioned CPU. One end of the pin is connected to a pin of the processor, and the other end of each pin is inserted into the base hole on the above-mentioned base; a flexible cable is sandwiched between the above-mentioned central processing unit and the protective seat, and the flexible cable contains There are several sleeve holes, each of which is electrically sleeved on the above-mentioned processor pin, and each of the sleeve holes is electrically connected to a signal line, and each of the signal lines leads to its other end; a test circuit The board is provided with a plurality of test pins, and each test pin is electrically connected to the other end of the above-mentioned signal line.

Description

CPU FSB Signal Meter

【Technical field】

The utility model relates to a signal measuring device, in particular to a central processing unit front-side bus signal measuring device.

【Background technique】

FSB only refers to the data transmission bus between the CPU and the North Bridge chip, also known as the front-side bus. Production engineers often encounter the problem of no display when starting up during engineering analysis. When checking the CPU FSB signal, it is impossible to quickly and accurately find the corresponding signal point for inspection due to the dense CPU FSB signal, and some signals go inside the PCB. layer, so it cannot be measured, and the problem point is often judged based on experience, which may easily lead to misjudgment of bad problem points, and often encounters the problem of poor contact between CPU SOCKET or North Bridge BGA solder balls and PCB PAD, usually using mechanical external force, that is, pressing CPU SOCKET or North Bridge is used to judge whether the contact is bad, and the root cause cannot be found through measurement; when performing CPU FSB measurement, because the FSB signal is dense or walks on the inner layer of the PCB, the speed of measurement point finding is limited, and some signals unmeasurable problem.

In view of this, it is necessary to provide a CPU front-side bus signal measuring device, which can quickly and accurately detect the corresponding CPU front-side bus signal, shorten the analysis time, and improve work efficiency , to reduce the low misjudgment rate, thereby reducing the number of maintenance of CPU SOCKET or North Bridge BGA and increasing the coverage of signal testing.

【Content of invention】

The purpose of the utility model is to provide a central processor front-side bus signal measuring device, which can quickly and accurately detect the corresponding central processor front-side bus signal, shorten the analysis time, and improve work efficiency. Reduce the misjudgment rate, thereby reducing the number of repairs of CPU SOCKET or North Bridge BGA and increasing the coverage of signal testing.

In order to achieve the above-mentioned purpose, the central processor front-side bus signal measuring device provided by the utility model, the measured central processing unit is arranged on a base, and the central processor front-side bus signal measuring device comprises:

A protection seat, which is arranged between the above-mentioned central processing unit and the above-mentioned base, the protection seat is provided with several pins on one side, and the other side of the protection seat is correspondingly provided with several pin holes, and each pin hole is provided with a The processor pins at the bottom of the above-mentioned central processor are connected with one end of each pin and one pin of the processor, and the other end of each pin is inserted into the base hole on the base;

A flexible flat cable, which is interposed between the above-mentioned central processing unit and the protective seat, the flexible flat cable includes several sleeve holes, and each of the sleeve holes is electrically sleeved on the pin of the above-mentioned one processor, Each of the sleeve holes is electrically connected to a signal line, and each of the signal lines leads out to the other end thereof;

A test circuit board is provided with several test pins, and each test pin is electrically connected to the other end of the signal line of the above-mentioned flexible flat cable respectively.

In particular, the test circuit board is provided with labels of each test pin, so that the tester can easily understand the FSB signal corresponding to the tested test pin.

Compared with the prior art, the CPU front-side bus signal measuring device of the present invention can quickly and accurately detect the signal corresponding to the CPU front-side bus, shorten the analysis time, improve work efficiency, and reduce misjudgment rate, thereby reducing the number of maintenance of CPU SOCKET or North Bridge BGA and increasing the coverage of signal testing.

【Description of drawings】

FIG. 1 is a side view of an exploded structure of a preferred embodiment of a CPU FSB signal measuring device of the present invention.

FIG. 2 is a side view of the assembled structure of a preferred embodiment of the CPU FSB signal measuring device of the present invention.

FIG. 3 is a front view of a flexible flat cable and a test circuit board of a preferred embodiment of the CPU FSB signal measuring device of the present invention.

【Detailed ways】

Please refer to Fig. 1, Fig. 2 and Fig. 3 together. Fig. 1 is a side view of the exploded structure of a preferred embodiment of the central processing unit front-side bus signal measuring device of the present invention, and Fig. 2 is a side view of the utility model The side view of the assembly structure of a preferred embodiment of the central processor front-side bus signal measuring device, Figure 3 shows the flexible cable and test circuit of a preferred embodiment of the central processor front-side bus signal measuring device of the present invention Front view of the board.

In order to achieve the above-mentioned purpose, the CPU FSB signal measuring device provided by the utility model, the measured CPU 1 is arranged on a base 2, and the CPU FSB signal measuring device includes:

A protection seat 3, which is arranged between the above-mentioned central processing unit 1 and the above-mentioned base 2, one side of the protection seat 3 is provided with several pins 30, and the other side of the protection seat 3 is correspondingly provided with several pin holes 31, each A processor pin 10 at the bottom of the above-mentioned central processing unit 1 is arranged in the pin hole 31, and one end of each of the pins 30 is connected to a processor pin 10, and the other end of each of the pins 30 is inserted into the pin on the above-mentioned base 2. Inside the base hole 20;

A flexible flat cable 4, which is sandwiched between the above-mentioned central processing unit 1 and the protective seat 3, the flexible flat cable 4 includes a plurality of sleeve holes 41, and each of the sleeve holes 41 is electrically sleeved on the above-mentioned one On the processor pin 10, each of the sleeve holes 41 is electrically connected to a signal line 40, and each of the signal lines 40 leads to the other end thereof;

A test circuit board 5 is provided with a plurality of test pins 50 , and each test pin 50 is electrically connected to the other end of a signal line 40 of the flexible flat cable 4 .

In particular, the test circuit board 5 is provided with labels of the test pins 50 , so that the tester can easily understand the FSB signal corresponding to the tested test pins 50 .

Compared with the prior art, using the central processor front-side bus signal measuring device of the utility model, the front-side bus signal of the central processor 1 is drawn out through the flexible flat line 4 and corresponding tests can be performed on the test circuit board 5, Thereby shortening the analysis time, improving work efficiency, reducing the misjudgment rate, thereby reducing the number of maintenance of CPU SOCKET or Northbridge BGA and increasing the coverage of signal testing.

Claims (2)

1. central processing unit Front Side Bus measuring signal device, the central processing unit that is measured is arranged on the base, it is characterized in that, and this central processing unit Front Side Bus measuring signal device comprises:

One protection seat, it is located between above-mentioned central processing unit and the above-mentioned base, this protection seat one side is provided with several pins, this protection seat another side correspondence is provided with several pin bores, respectively be provided with the processor pin of an above-mentioned central processing unit bottom in this pin bores, respectively this pin one end is connected with this processor pin, and each pin other end inserts in the base aperture on the above-mentioned base;

One soft arranging wire, it is located between above-mentioned central processing unit and the protection seat, includes several sheathed holes on this soft arranging wire, and respectively this sheathed hole electrically is sheathed on the above-mentioned processor pin, respectively this sheathed hole electrically connects a signal wire, and respectively this signal wire is all drawn its other end;

One measurement circuit plate which is provided with plurality of test pins, and each test pin electrically connects with the signal wire other end of above-mentioned soft arranging wire respectively.

2. central processing unit Front Side Bus measuring signal device as claimed in claim 1 is characterized in that especially, above-mentioned measurement circuit plate is provided with the label of each test pin.

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