Ultra SCSI


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Ultra SCSI

The designation for various high-speed SCSI interfaces. The original specification was Ultra SCSI, followed by Ultra2, Ultra3, etc. For details, see SCSI signaling.
References in periodicals archive ?
The resulting new names were Ultra SCSI, which was to be used for devices that followed the Fast 20 standard, Ultra2 SCSI, which was to be used for devices that followed the SPI-2 standard, and Ultra3 SCSI, which was to be used for devices that followed the SPI-3 standard.
The standard terminator will convert the whole bus back to single ended Ultra SCSI speed and bus limits.
The active terminator is required for the higher single-ended speeds such as Fast SCSI and Ultra SCSI.
Active termination is required for Ultra SCSI and recommended of all SCSI buses.
More versatile active single-ended terminators were developed to satisfy the termination requirements through the Ultra SCSI generation.
The bus must be capable of running with the single-ended rules at Ultra SCSI speeds.