| 摘要 |
PURPOSE: To attain the conditioning of a signal and data read/write by a user, and to test the specification and timing limit of a system board in a computer system. CONSTITUTION: In a computer system, a signal conditioning means and a data effective window conditioning means are provided with a delaying means connected between a signal generating means 32 and a signal receiving means S, which supplies the delay signal of a signal received by a delay input connected with the signal generating means 32 from a delay output, selection instructing means which instructs the selection of a signal or the delay signal, and multiple means having plural signal inputs connected with the signal generating means 32 and the delaying means, plural control inputs connected with the selection instructing means, and multiple output connected with the signal receiving means S, which supplies one of the signal inputs from the multiple output with the selection instructed by the selection instructing means as a basic. |
