Adaptec 6805Q 2270700-R 用户手册

产品代码

2270700-R

Introduction to SAS

In this appendix...

Terminology Used in This Chapter ....................................................................................... 89

What is SAS? ........................................................................................................................... 89

How Do SAS Devices Communicate? ................................................................................... 90

What’s a Phy? .......................................................................................................................... 90

What’s a SAS Port?.................................................................................................................. 91

What’s a SAS Address?............................................................................................................ 91

What’s a SAS Connector? ....................................................................................................... 91

What do SAS Cables Look Like? ............................................................................................ 91

How are Disk Drives Identified in SAS? ................................................................................ 92

What are the SAS Connection Options? ............................................................................... 92

How is SAS Different from Parallel SCSI?............................................................................. 94

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