Single Connection Attach

<hardware> (SCA, "Single Connector Attachment") A non-standard type of SCSI connector, used mostly by OEMs, which carries both power and data on one 80-pin connector.

SCA SCSI drives tend to be cheaper but use with standard SCSI cables requires an adaptor and external termination.

(http://www.pcmech.com/show/harddrive/152/).

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Sinclair Research sine wave single assignment Single ASsignment Language single-attached	SCA Single Connector Attachment	Single Connector Attachment Single Data Rate Random Access Memory Single Data Rate Synchronous Dynamic Random Access Single Document Interface single-duplex