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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
eSATA (External SATA)
-speeds match the (internal) SATA version
-uses a 2-meter cable
-similar in size to SATA, with a very different connector
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
Serial Attached SCSI (SAS
-move from parallel to serial
-point-to-point connection
-no daisy chains or terminator required, unlike parallel SCSI
The PATA (Parallel AT Atachment) Standard
-speeds from 16 MB/s through 133 MB/s
-a legacy technology
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)
PATA Connector
-The missing pin allows us to properly orient the cable into the connector