| 摘要 |
<p>PURPOSE:To easily grasp the states of the peripheral equipments by showing these states in read time. CONSTITUTION:When an interruption is produced by a deciding circuit 2, the circuit 2 detects the specific one of peripheral equipments 3-5 that has a state change. Then the circuit 2 or a data us and a control bus 6 check whether the devices 3-5 which causes the factors of interruptions are connected to a host computer 1 or not. If those equipments 3-5 are not connected to the computer 1, the icon is erased out of a display screen and an interruption process is reset. While the ON/OFF of the power supply of the peripheral equipment is detected by the circuit 2 or the bus 6. Then the icon is displayed on the screen in response to the ON/OFF of the power supply.</p> |
