Pipeline SCSI nexus associativity circuit

Details Pipeline SCSI nexus associativity circuit Pipeline SCSI nexus associativity circuit

2006-07-11

2006-07-11

Peyton, Tammara (Department: 2182)

Electrical computers and digital data processing systems: input/

Input/output data processing

Data transfer specifying

C710S005000, C710S031000, C710S104000, C707S793000, C707S793000

Reexamination Certificate

active

07076577

ABSTRACT:
An innovative circuit is disclosed that enhances performance on a SCSI bus by pipelining nexuses in order to associate all nexus attributes on a per nexus basis. For example, a pipeline of nexuses is created so as to associate all of the nexus attributes from different connections involved. A plurality of load stages is provided whereby each load stage can latch all nexus attributes received at that stage. The latched nexus attributes can be loaded and stored at that stage or shifted to the next stage. As a result of the loading and shifting operations, a pipeline of nexuses is created that associates all of the nexus attributes received from the different connections on a per nexus basis. Therefore, all types of data traffic can be processed concurrently on a SCSI bus, which enhances data throughput and bus performance.

REFERENCES:
patent: 5404549 (1995-04-01), Tausheck
patent: 6513079 (2003-01-01), Day
patent: 6606630 (2003-08-01), Gunlock
patent: 6922414 (2005-07-01), Gunlock

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