Comptia A+ 1101 SATA,SCSI,& PATA Device Cables

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7 Terms

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SATA (Serial Advanced Technology Attachment)

-uses a 1 meter cable

-internal

-7 pin connetor

-connects a storage device to the motherboard

-uses a 15 pin connector to connect to power

REVISION 1.0:

-SATA 1.5 Gb/s

REVISION 2.0:

-SATA 3.0 Gb/s

REVISION 3.2:

-SATA 16 Gb/s

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eSATA (External SATA)

-speeds match the (internal) SATA version

-uses a 2-meter cable

-similar in size to SATA, with a very different connector

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The SCSI (Small Computer Systems Interface) Standard

-originally designed to string many peripherals togtehr on a single controller (up to 16 devices in a SCSI chain)

-parallel and serial connectivity, depending on the format

-not just for hard drives

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Serial Attached SCSI (SAS

-move from parallel to serial

-point-to-point connection

-no daisy chains or terminator required, unlike parallel SCSI

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The PATA (Parallel AT Atachment) Standard

-speeds from 16 MB/s through 133 MB/s

-a legacy technology

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PATA Cabling

-40 pin connectors on a ribbon cable

-the first device is “device 0” and the end device is “device 1” (swapped when using an 80-oin cable, which has minimized cross talk)

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PATA Connector

-The missing pin allows us to properly orient the cable into the connector