DATA PROCESSING SYSTEM
PURPOSE: To establish a synchronous execution mode for a message operation by continuing the instruction execution of a program by a central processing unit without any interruption for indicating the completion of the message operation by a controlling means for transferring data, message, and resp...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | PURPOSE: To establish a synchronous execution mode for a message operation by continuing the instruction execution of a program by a central processing unit without any interruption for indicating the completion of the message operation by a controlling means for transferring data, message, and response in a pipe line type between a main storage device and a structured outside storage device. CONSTITUTION: This system is provided with plural central processing complexes CPC 10A-10N connected with an input and output system. The input and output system is provided with a dynamic switch 12 which controls access to plural input and output controllers 14A-14N. The controllers 14A-14N control one or plural direct access storage devices(DASD) D1-DN. An input and output command and data are transmitted from the CPU 10A-10N through the dynamic switch 12 to the input and output controllers by input and output channels 15A-15N of the CPC 10A-10N. The CPC 10A-10N are connected with a structured outside storage SES mechanism 16. |
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