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SMall Computer System Interface-2 |
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An ANSI standard that improves on SCSI-1 standards for disk and other device interfaces. SCSI-2 bandwidth is 10 Mbytes/sec, whereas SCSI-1 is 5 Mbyte/sec. SCSI- 2 also permits command-tag queuing, which enables up to 256 requests to be queued without waiting for the first request. Another SCSI-2 feature is the bus' capability to communicate with more than one type of device at the same time, where a single SCSI-1 host adapter only supported one type of device to communicate on the bus. |
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