I/O controller for controlling the sequencing of execution of I/

Details I/O controller for controlling the sequencing of execution of I/ I/O controller for controlling the sequencing of execution of I/

1987-01-09

1990-02-13

Eng, David Y.

Boots, shoes, and leggings

3642383, 3642285, 3642548, 3642611, G06F 930, G06F 1516

Patent

active

049012320

ABSTRACT:
A data processing system which includes a host processor and an input/output (I/O) controller unit for controlling communication with I/O devices. The controller processor receives I/O commands from the host processor, accesses and stores control block lists of control commands associated with such I/O commands, and executes the control commands from such control block lists. The controller unit stores controller information concerning the operational capability of the controller unit and the host processor is capable of accessing such controller information and in turn can modify such operational capability if desired.

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Hinz et al., "Logical Control of Peripheral Systems", IBM TDB, vol. 25, No. 2, Jul. 1982, pp. 816-818.

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