Electrical computers and digital data processing systems: input/ – Input/output data processing – Peripheral monitoring
Reexamination Certificate
2007-08-30
2009-11-03
Kindred, Alford W (Department: 2181)
Electrical computers and digital data processing systems: input/
Input/output data processing
Peripheral monitoring
C710S015000
Reexamination Certificate
active
07613846
ABSTRACT:
A method and system are disclosed for generating a data logout in a computing environment having a processor and an input/output subsystem for receiving data from and sending data to the processor. The method comprises the steps of the input/output subsystem maintaining a defined set of data; at defined time, the processor issuing a data logout command; and sending said data logout command to the input/output subsystem. In response to receiving said data logout command, the input/output subsystem sends said defined set of data to a specified location. In a preferred implementation, the input/output subsystem includes a channel subsystem and a plurality of input/output devices, and the data logout command is sent to one of the input/output devices. Also, in the preferred embodiment, the channel subsystem includes a channel control unit function and the data logout command is sent to the channel control unit function.
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Dibella Leonard J.
Driever Patricia G.
Flanagan John R.
Massey Dennis L.
Miller William H.
Campbell John E.
International Business Machines - Corporation
Kindred Alford W
Martinez David E
Scully , Scott, Murphy & Presser, P.C.
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