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Computing (FOLDOC) dictionary
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hardware, standard A variant on the SCSI-2 interface. It
uses a 16-bit bus - double the width of the original SCSI-1
- and therefore cannot be connected to a SCSI-1 bus. It
supports transfer rates up to 20 MB/s, like Fast SCSI.
There is also a SCSI-2 definition of Wide-SCSI with a 32 bit
data bus. This allows up to 40 megabytes per second but is
very rarely used because it requires a large number of wires
(118 wires on two connectors). Thus Wide SCSI usually means
16 bit-wide SCSI.