| 摘要 |
<p>The computer system comprises a central machine, work stations and a background memory. The central machine has an active state, a standby state, a battery power supply state and a rest state. There is furthermore a heart memory maintaining the acutal time and furthermore contains information indicating at what time of what days the active state should prevail. When the mains power supply is failing the central machine goes over to the battery power supply state. When the latter is also failing, the battery indicator is set in an <<error>> state. When the mains power supply reappears, it is inspected whether then the active state has to be maintained and under the control of an <<error>> position an initial programme load operation is carried out. If admissible the central machine goes over to the standby state. Also in other situations the IPL operation is activated in dependence of the extent of failing of the feed of the central machine and any damage possible, from various extents of failing.</p> |
