Veneer in-place state detection method and device

Abstract

The invention provides a veneer in-place state detection method and a veneer in-place state detection device. The method comprises the following steps: sequentially connecting n+m connectors in a first functional board in series, enabling the n+mth connector in the first functional board to be grounded, selecting any one connector from the first n connectors of the first functional board, selecting one low-speed signal return ground pin on the selected connector, defining the low-speed signal return ground pin as a new in-place signal and defining a pin on a backing plate, which corresponds to the new in-place signal, as hanging processing or GND (Ground); connecting the new in-place signal and a stable insertion signal between the nth connector and the n+1th connector; and according to a first in-place signal PS1 in the first functional board, judging whether the first functional board is in place. The veneer in-place state detection method and the veneer in-place state detection device solve the problem of compatibility of in-place detection of the first functional board and a second backing plate and simultaneously, also solve the problems of increase of workload and complexity of software or logic and increase of complexity of hardware design when the first functional board and a first backing plate are subjected to in-place detection in the prior art.

Description

technical field [0001] The invention relates to a veneer technology, in particular to a method and device for detecting the in-position state of a veneer. Background technique [0002] The board presence detection signal is generally provided to the system or the board to judge whether the board is inserted securely. By judging whether the board is inserted securely, it is determined whether to communicate with the board or power on the board in the next step. [0003] In the prior art, the on-site detection method of the veneer is as follows: figure 1 As shown, the "bow" type in-position detection scheme is mainly adopted, in which the connectors 1~n are connected in series, the last connector n is grounded in the function board, and the male and female heads of a pair of connectors are respectively located in the function board. On the board and the backplane, add the in-position detection signal on the connectors 1 to n of the backplane, and then use software or logic to...

AI Technical Summary

Problems solved by technology

[0005] The invention provides a single board in-position state detection method and device, which solves the compatibility problem of the first functional board and the second backplane in-position detection, and also overcomes the problems of the first functional board and the first backplane in the prior art. The problem of increasing the workload and complexity of software or logic during bit detection, and increasing the complexity of hardware design

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