Asynchronous command support for shared channels for a computer

Details Asynchronous command support for shared channels for a computer Asynchronous command support for shared channels for a computer

1992-06-15

1995-09-19

Kriess, Kevin A.

Boots, shoes, and leggings

364DIG1, 364280, 3642805, G06F 944

Patent

active

054524555

ABSTRACT:
This invention involves reconfiguration support for shared I/O resources in a a computer electronic complex (CEC) supporting both shared and unshared I/O channels of the type described and claimed in U.S. patent application Ser. No. 07/898,867 (PO9-92-016) filed on the same day as the subject application and assigned to the same assignee as the subject application. Prior channel subsystem call (CHSC) instructions cannot execute when a channel is to be configured as shareable by plural operating systems in a CEC.

REFERENCES:
patent: 4253145 (1981-02-01), Goldberg
patent: 4564903 (1986-01-01), Guyette et al.
patent: 4843541 (1989-06-01), Bean et al.
patent: 4885681 (1989-12-01), Umeno et al.
patent: 4967342 (1990-10-01), Lent et al.
patent: 5170472 (1992-12-01), Cwiakala et al.
patent: 5251317 (1993-10-01), Iizuka et al.
patent: 5297262 (1994-03-01), Cox et al.

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