| 摘要 |
<p>PURPOSE:To perform both the break of a system power supply and the erasion of display device via the same operation, by giving an instruction to a service processor from outside to break the power supply of an information processor and also to erase the display of a portable display device. CONSTITUTION:A portable display device 1 is connected to a service processor 3a of a system A. For instance, an instruction is produced for break of the power supply of an information processor 2 with switching operation of a keyboard of the power supply of the processor 3a. Under such conditions, the processor 3a starts an erasion instruction means 31a and the means 31a breaks the power supply of the processor 2a via a breaking part for power supply of the processor 2a. At the same time, a display erasing instruction is given to the display erasing part of the erasion executing means 32a via an erasion executing means starting part. The means 32a cuts off the power supply of the CRT of the device 1. In such a way, the display of the device 1 is erased when the power supply of a system connected to the device 1 is cut off.</p> |
