G - Physics – 06 – F
Patent
G - Physics
06
F
G06F 12/00 (2006.01) G06F 3/06 (2006.01) G06F 13/00 (2006.01)
Patent
CA 2046720
A control unit for DASD operation to transfer data between the device and a buffer and between a channel and a buffer. In that manner the channel and device are enabled to transfer data independently of each other. Mechanisms are provided for communication between the channel interface process in the control unit and the device interface process in the control unit. Some of these mechanisms are stored with the record in the buffer and others are stored in control storage. Principle communicating mechanisms include a device record pointer, a channel record pointer, a next operation field, a device state indicator, record control flags, and two buffer pointers.
Beardsley Brent Cameron
Bello Keith Anthony
Benhase Michael Thomas
Clark Florence Joann
Hunter Paul Wayne
International Business Machines Corporation
Saunders Raymond H.
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