CONTROL SYSTEM FOR INPUT/OUTPUT APPARATUS

摘要

A CONTROL SYSTEM FOR INPUT/OUTPUT APPARATUS A control system for a plurality of I/O apparatus used for transferring data between the main memory and the I/O apparatus controlling device through a channel control device, in which, in case an error occurs in the data transfer, no response signal is sent to the I/O apparatus controlling device from the channel control device and the absence of the response signal is detected by time supervision in the supervising circuit in the I/O apparatus controlling device, so that only the portion of the I/O apparatus related to the error is cuased to stop.