Parallel SCSI: Difference between revisions

Revision as of 22:05, 13 September 2024

Revision as of 21:15, 30 October 2024

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! rowspan=3 | Connector

! rowspan=3 | Width (bits)

! rowspan=3 | Clock ([[hertz|MHz]])

! colspan=6 | Maximum

! colspan=2 | Electrical

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===Mixing different speeds===

SCSI devices in the same SCSI transport family are generally [[backward compatibility|backward compatible]]. Within the parallel SCSI family, for example, it is possible to connect an Ultra-3 SCSI hard disk to an Ultra-2 SCSI controller. The interface operates at the lowest common supported standard, Ultra-2 in this case. Ultra-2, Ultra-160 and Ultra-320 devices may be freely mixed on the parallel LVD bus with no compromise in performance.

===Mixing single-ended and low-voltage differential===