Input/output control technique

Details Input/output control technique Input/output control technique

G - Physics

06

F

354/233

G06F 13/00 (2006.01) G06F 15/167 (2006.01)

Patent

CA 1286787

INPUT/OUTPUT CONTROL TECHNIQUE Abstract of the Disclosure A multilevel communication structure controls input/output (I/O) data transfers and control functions in a computer system. Communication is achieved through shared memory structures in main memory commonly con- nected to each processor and each I/O adapter in the sys- tem. The levels of the communication structure are for communicating information between adapters or processors and processors, for communicating information relative to I/O control functions of an I/O device, and for spec- ifying I/O functional operations. The information contained in the memory structures may be directly inter- preted by sequencers of the I/O adapters, to achieve the I/O data transfers.

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