Intel SASWT4I, Hardware User'S Manual

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16 Intel® RAID Controller SASWT4I Hardware User’s Guide
SAS Serial-attached SCSI. A serial, point-to-point, enterprise-level device interface that
leverages the proven SCSI protocol set. The SAS interface provides improved
performance, simplified cabling, smaller connections, lower pin count, and lower
power requirements when compared to parallel SCSI. SAS controllers leverage a
common electrical and physical connection interface that is compatible with Serial
ATA. The SAS controllers support the ANSI Serial Attached SCSI standard, version
1.0 . In addition, the controller supports the Serial ATA (SATA) protocol defined by
the Serial ATA specification, version 1.0a . Each port on the SAS RAID controller
supports SAS and SATA devices.
SAS Device
Any device that conforms to the SAS standard and is attached to the SAS bus by a
SAS cable. This includes SAS storage adapters (host adapters) and SAS peripherals.