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Data recovery glossary s
- 1. S ‐ Data Recovery Glossary
SAS– Serial Attached SCSI (SAS) is a computer bus technology designed primarily for
transfer of data to and from devices like CD‐ROM drives, hard drives, and so on.SAS
is a serial communication protocol for direct attached storage (DAS) devices. It is
designed as a replacement for the parallel SCSIin the corporate and enterprise
market, allowing for much higher speed data transfers than ever before, and is
backwards‐compatible with SATA drives. SAS uses serial communication instead of
the parallel method found in traditional SCSI devices, however, SCSI commands are
still utilized for interacting with SAS End devices.
SATA (Serial ATA) – First generation (1.5 Gbit/s) SATA ports on a motherboard. Serial
ATA) is a computer bus technology, in computer hardware, primarily designed for
transfer of data to and from optical drives and hard disks. It was designed as a
successor to the legacy Advanced Technology Attachment standard (ATA), and is
expected to eventually replace the older technology (retroactively renamed Parallel
ATA or PATA). Serial ATA adapters and devices communicate over a high‐speed serial
link.
SCA‐2–Acronym for Single Connector Attach. It is an interface that incorporates a
blind mate connecter, grounding contact, hot swap capability, ESD protection, direct
plug misalignment tolerance and backplane connector options for SCSI devices. Also
called the 80‐pin SCSI connector.
SCSI–Acronym for Small Computer System Interface (pronounced skuh‐zee). It is a
collection of standards for transferring and physically connecting data between
peripheral devices and computers. It is commonly used for tape drives and hard disks
but it can also connect to a wide array of devices e.g. CD drives and scanners.
SCSI Configure Automatically (SCAM)– Allows users to attach SCSI devices without
worrying about configuration options.
SCSI‐1 – The Small Computer System Interface (ANSI document X3.131‐1986).
SCSI‐2 – The Small Computer System Interface (ANSI document X3.131‐1994).
SCSI‐3 – The ANSI X3T10 Working Documents (under development).
SCSI device – A host peripheral controller, computer adapter, or an intelligent
peripheral that can be attached to a SCSI bus.