Adaptec 2256100-R Installation And User Manual page 50

Introduction to SAS
In this chapter...
Terminology Used in This Appendix .................................................................................... 51
What is SAS? ........................................................................................................................... 51
How do SAS Devices Communicate? .................................................................................... 52
What's a Phy? .......................................................................................................................... 52
What's a SAS Port?.................................................................................................................. 52
What's a SAS Address?............................................................................................................ 53
What's a SAS Connector? ....................................................................................................... 53
What do SAS Cables Look Like? ............................................................................................ 53
How are Disk Drives Identified in SAS? ................................................................................ 53
What are the SAS Connection Options? ............................................................................... 54
How is SAS Different from Parallel SCSI?............................................................................. 55
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 www.scsita.org.
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