| 摘要 |
PURPOSE:To simplify a mechanism for checking the normality of respective constitutional devices in an information processor consisting of plural devices. CONSTITUTION:In the information processor consisting of a diagnostic device 1, the 1st device 2, two, 2nd devices 3a, 3b connected to the device 2, the normality of the device 2 is checked from the device 1 and the device 2 checks the normality of both of the 2nd devices 3a, 3b at the timing of normality check from the device 1. |
