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ANSI - INCITS 567

Information Technology – Serial Attached SCSI - 4.1 (SAS-4.1)

active, Most Current
Organization: ANSI
Publication Date: 27 April 2023
Status: active
Page Count: 320
scope:

The SCSI family of standards provides for many different transport protocols that define the rules for exchanging information between different SCSI devices. This standard specifies the functional requirements for the Serial Attached SCSI (SAS) physical interconnect, which is compatible with the Serial ATA physical interconnect. The SAS Protocol Layer - 5 (SPL-5) standard documents the SAS protocol layer corresponding to the Serial Attached SCSI - 4.1 (SAS-4.1) standard, defining the rules for exchanging information between SCSI devices using a serial interconnect. Other SCSI transport protocol standards define the rules for exchanging information between SCSI devices using other interconnects.

Figure 1 shows the relationship of this standard to the other standards and related projects in the SCSI family of standards.

Figure 2 shows the relationship of this standard to other standards and related projects in the ATA family of standards.

Figure 1 and figure 2 show the general relationship of the documents to one another, and do not imply a relationship such as a hierarchy, protocol stack, or system architecture.

These standards specify the interfaces, functions, and operations necessary to ensure interoperability between conforming implementations. This standard is a functional description. Conforming implementations may employ any design technique that does not violate interoperability.

This standard has made obsolete the following:

a) Mini SAS 4i connectors and cables;

b) Mini SAS 4x connectors and cables;

c) untrained 1.5 Gbit/s, 3 Gbit/s, and 6 Gbit/s;

d) trained 1.5 Gbit/s and 3 Gbit/s; and

e) High Density Drive connectors.

Document History

INCITS 567
April 27, 2023
Information Technology – Serial Attached SCSI - 4.1 (SAS-4.1)
The SCSI family of standards provides for many different transport protocols that define the rules for exchanging information between different SCSI devices. This standard specifies the functional...

References

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