Processor command for prompting a storage controller to write a

Details Processor command for prompting a storage controller to write a Processor command for prompting a storage controller to write a

1995-12-04

1998-09-15

Swann, Tod R.

Electrical computers and digital processing systems: memory

Storage accessing and control

Control technique

364145, 395551, G07C 100

Patent

active

058095403

ABSTRACT:
A method and apparatus for efficiently reading a day clock and storing the value into main storage. An advantage is that the memory storage command can request the main storage control to read a current day clock value and store the value into a main storage location specified by the requesting processor while allowing the requesting processor to continue processing other commands. A further advantage is that the requesting processor does not have to wait for the return of a day clock value or the generation of a main storage write request which may reduce the number of main storage I/O bus requests and bus transfer cycles over that normally required to transfer the day clock value to the requesting processor and then back to main storage.

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