Adaptec 1430SA User Manual

Introduction to SAS

In this chapter...

Terminology Used in This Appendix .................................................................................... 58

What is SAS? ........................................................................................................................... 58

How Do SAS Devices Communicate? ................................................................................... 59

What’s a Phy? .......................................................................................................................... 59

What’s a SAS Port?.................................................................................................................. 59

What’s a SAS Address?............................................................................................................ 60

What’s a SAS Connector? ....................................................................................................... 60

What do SAS Cables Look Like? ............................................................................................ 60

How are Disk Drives Identified in SAS? ................................................................................ 60

What are the SAS Connection Options? ............................................................................... 61

How is SAS Different from Parallel SCSI?............................................................................. 62

This section provides a basic overview of the main features of SAS, introduces some common
SAS terms, and explains how SAS differs from parallel SCSI.

Note:

For technical articles and tutorials about SAS, refer to the SCSI Trade Association (STA

)

Web site at